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5 months 2 weeks ago
SPC 1730Z Day 2 Outlook
Day 2 Convective Outlook
NWS Storm Prediction Center Norman OK
1227 PM CDT Fri Mar 28 2025
Valid 291200Z - 301200Z
...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FOR PARTS OF
NORTHERN OKLAHOMA...EASTERN KANSAS...WESTERN/CENTRAL MISSOURI...
...SUMMARY...
Scattered severe thunderstorms are possible from northern Oklahoma
into the Lower Missouri Valley on Saturday evening/night. Large to
very large hail should be the primary hazard, but a couple of severe
gusts and possibly a tornado or two may occur.
...Synopsis...
The upper-level pattern across the Rockies and Plains will be
somewhat disorganized. However, two low-amplitude shortwave troughs
are expected to eject into the Plains during the period. At the
surface, an initial surface cyclone in western Kansas will evolve
into two distinct lows as the two shortwave troughs eject in
succession. One low will move through the lower
Missouri/mid-Mississippi Valleys while the other will shift through
western/central Oklahoma before weakening by Sunday morning.
...Eastern Kansas/western/central Missouri/northern Oklahoma...
Dewpoints should increase ahead of the dryline/cold front during the
day. Most model guidance suggests upper 50s to low 60s F will be
possible. Confidence in storm development is highest in these areas.
Forcing for ascent from the secondary shortwave trough, surface
low/dryline, and the cold front should promote widely scattered to
scattered storms initially from north-central Oklahoma into
northeast Kansas. Effective shear will be strong enough for
supercells. Near the triple point into southeast Kansas, supercell
structures have potential to last longer into the evening given the
more orthogonal shear vector orientation to the dryline. From the
Flint Hills into northeast Kansas, supercells would likely persist
for a short period. Very-large hail is possible with any supercell,
but will become less likely with time as storms will tend to congeal
along the cold front in eastern Kansas. Given that the boundary
layer will be rather well-mixed and the low-level jet will increase
during the evening, some upscale growth into one or more clusters
seems probable. Large to very-large hail will be the primary threat.
Isolated severe/damaging gusts and perhaps a tornado or two are also
possible. The primary area of greater tornado risk, conditional on
supercell storm mode, will likely be from northeast Oklahoma into
southeast Kansas where low-level hodographs will be more favorably
curved/enlarged. There is some question how far east strong/severe
storms will persist into Missouri. The current Slight risk has been
maintained as is, but model trends will continue to be monitored.
...Central/western Oklahoma into Central Texas...
In Oklahoma, capping from an elevated mixed layer should suppress
convection along the dryline through the afternoon. With 850-700 mb
winds generally veered in the vicinity of the dryline, it becomes
rather uncertain if convection will be able to initiate given
parcels short residence time in the narrow zone of ascent.
Furthermore, mid-level ascent will not arrive until after sunset.
Models continue to show a very weak signal for any development as a
result. Should a storm or two manage to develop, the environment
will be conditionally favorable for supercells capable of
large/very-large hail, severe winds, and perhaps a tornado.
Farther south into Texas, a similarly capped environment will exist.
Stronger heating may lead to a few convection initiation attempts
along the dryline (a scenario hinted at by the ECMWF/GFS as well as
some CAMS). Additional potential will exist in far southern
Oklahoma/North Texas near a triple point feature along with a
strengthening low-level jet core. Isolated large to very-large hail
and severe gusts would be the primary threats with this activity,
should it develop.
...Lower Missouri into mid-Mississippi Valley...
The lead shortwave will promote a surface low to deepen in the
Kansas City vicinity and track roughly north-northeastward through
the evening. A few, likely elevated, storms could produce large hail
given the steep lapse rates aloft. An isolated strong/damaging gust
is also possible but should be spatially limited and conditional on
a more organized cluster developing. The northern and eastern extent
of the threat are the most uncertain for these region.
..Wendt.. 03/28/2025
Read more
5 months 2 weeks ago
SPC 1730Z Day 2 Outlook
Day 2 Convective Outlook
NWS Storm Prediction Center Norman OK
1227 PM CDT Fri Mar 28 2025
Valid 291200Z - 301200Z
...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FOR PARTS OF
NORTHERN OKLAHOMA...EASTERN KANSAS...WESTERN/CENTRAL MISSOURI...
...SUMMARY...
Scattered severe thunderstorms are possible from northern Oklahoma
into the Lower Missouri Valley on Saturday evening/night. Large to
very large hail should be the primary hazard, but a couple of severe
gusts and possibly a tornado or two may occur.
...Synopsis...
The upper-level pattern across the Rockies and Plains will be
somewhat disorganized. However, two low-amplitude shortwave troughs
are expected to eject into the Plains during the period. At the
surface, an initial surface cyclone in western Kansas will evolve
into two distinct lows as the two shortwave troughs eject in
succession. One low will move through the lower
Missouri/mid-Mississippi Valleys while the other will shift through
western/central Oklahoma before weakening by Sunday morning.
...Eastern Kansas/western/central Missouri/northern Oklahoma...
Dewpoints should increase ahead of the dryline/cold front during the
day. Most model guidance suggests upper 50s to low 60s F will be
possible. Confidence in storm development is highest in these areas.
Forcing for ascent from the secondary shortwave trough, surface
low/dryline, and the cold front should promote widely scattered to
scattered storms initially from north-central Oklahoma into
northeast Kansas. Effective shear will be strong enough for
supercells. Near the triple point into southeast Kansas, supercell
structures have potential to last longer into the evening given the
more orthogonal shear vector orientation to the dryline. From the
Flint Hills into northeast Kansas, supercells would likely persist
for a short period. Very-large hail is possible with any supercell,
but will become less likely with time as storms will tend to congeal
along the cold front in eastern Kansas. Given that the boundary
layer will be rather well-mixed and the low-level jet will increase
during the evening, some upscale growth into one or more clusters
seems probable. Large to very-large hail will be the primary threat.
Isolated severe/damaging gusts and perhaps a tornado or two are also
possible. The primary area of greater tornado risk, conditional on
supercell storm mode, will likely be from northeast Oklahoma into
southeast Kansas where low-level hodographs will be more favorably
curved/enlarged. There is some question how far east strong/severe
storms will persist into Missouri. The current Slight risk has been
maintained as is, but model trends will continue to be monitored.
...Central/western Oklahoma into Central Texas...
In Oklahoma, capping from an elevated mixed layer should suppress
convection along the dryline through the afternoon. With 850-700 mb
winds generally veered in the vicinity of the dryline, it becomes
rather uncertain if convection will be able to initiate given
parcels short residence time in the narrow zone of ascent.
Furthermore, mid-level ascent will not arrive until after sunset.
Models continue to show a very weak signal for any development as a
result. Should a storm or two manage to develop, the environment
will be conditionally favorable for supercells capable of
large/very-large hail, severe winds, and perhaps a tornado.
Farther south into Texas, a similarly capped environment will exist.
Stronger heating may lead to a few convection initiation attempts
along the dryline (a scenario hinted at by the ECMWF/GFS as well as
some CAMS). Additional potential will exist in far southern
Oklahoma/North Texas near a triple point feature along with a
strengthening low-level jet core. Isolated large to very-large hail
and severe gusts would be the primary threats with this activity,
should it develop.
...Lower Missouri into mid-Mississippi Valley...
The lead shortwave will promote a surface low to deepen in the
Kansas City vicinity and track roughly north-northeastward through
the evening. A few, likely elevated, storms could produce large hail
given the steep lapse rates aloft. An isolated strong/damaging gust
is also possible but should be spatially limited and conditional on
a more organized cluster developing. The northern and eastern extent
of the threat are the most uncertain for these region.
..Wendt.. 03/28/2025
Read more
5 months 2 weeks ago
SPC 1730Z Day 2 Outlook
Day 2 Convective Outlook
NWS Storm Prediction Center Norman OK
1227 PM CDT Fri Mar 28 2025
Valid 291200Z - 301200Z
...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FOR PARTS OF
NORTHERN OKLAHOMA...EASTERN KANSAS...WESTERN/CENTRAL MISSOURI...
...SUMMARY...
Scattered severe thunderstorms are possible from northern Oklahoma
into the Lower Missouri Valley on Saturday evening/night. Large to
very large hail should be the primary hazard, but a couple of severe
gusts and possibly a tornado or two may occur.
...Synopsis...
The upper-level pattern across the Rockies and Plains will be
somewhat disorganized. However, two low-amplitude shortwave troughs
are expected to eject into the Plains during the period. At the
surface, an initial surface cyclone in western Kansas will evolve
into two distinct lows as the two shortwave troughs eject in
succession. One low will move through the lower
Missouri/mid-Mississippi Valleys while the other will shift through
western/central Oklahoma before weakening by Sunday morning.
...Eastern Kansas/western/central Missouri/northern Oklahoma...
Dewpoints should increase ahead of the dryline/cold front during the
day. Most model guidance suggests upper 50s to low 60s F will be
possible. Confidence in storm development is highest in these areas.
Forcing for ascent from the secondary shortwave trough, surface
low/dryline, and the cold front should promote widely scattered to
scattered storms initially from north-central Oklahoma into
northeast Kansas. Effective shear will be strong enough for
supercells. Near the triple point into southeast Kansas, supercell
structures have potential to last longer into the evening given the
more orthogonal shear vector orientation to the dryline. From the
Flint Hills into northeast Kansas, supercells would likely persist
for a short period. Very-large hail is possible with any supercell,
but will become less likely with time as storms will tend to congeal
along the cold front in eastern Kansas. Given that the boundary
layer will be rather well-mixed and the low-level jet will increase
during the evening, some upscale growth into one or more clusters
seems probable. Large to very-large hail will be the primary threat.
Isolated severe/damaging gusts and perhaps a tornado or two are also
possible. The primary area of greater tornado risk, conditional on
supercell storm mode, will likely be from northeast Oklahoma into
southeast Kansas where low-level hodographs will be more favorably
curved/enlarged. There is some question how far east strong/severe
storms will persist into Missouri. The current Slight risk has been
maintained as is, but model trends will continue to be monitored.
...Central/western Oklahoma into Central Texas...
In Oklahoma, capping from an elevated mixed layer should suppress
convection along the dryline through the afternoon. With 850-700 mb
winds generally veered in the vicinity of the dryline, it becomes
rather uncertain if convection will be able to initiate given
parcels short residence time in the narrow zone of ascent.
Furthermore, mid-level ascent will not arrive until after sunset.
Models continue to show a very weak signal for any development as a
result. Should a storm or two manage to develop, the environment
will be conditionally favorable for supercells capable of
large/very-large hail, severe winds, and perhaps a tornado.
Farther south into Texas, a similarly capped environment will exist.
Stronger heating may lead to a few convection initiation attempts
along the dryline (a scenario hinted at by the ECMWF/GFS as well as
some CAMS). Additional potential will exist in far southern
Oklahoma/North Texas near a triple point feature along with a
strengthening low-level jet core. Isolated large to very-large hail
and severe gusts would be the primary threats with this activity,
should it develop.
...Lower Missouri into mid-Mississippi Valley...
The lead shortwave will promote a surface low to deepen in the
Kansas City vicinity and track roughly north-northeastward through
the evening. A few, likely elevated, storms could produce large hail
given the steep lapse rates aloft. An isolated strong/damaging gust
is also possible but should be spatially limited and conditional on
a more organized cluster developing. The northern and eastern extent
of the threat are the most uncertain for these region.
..Wendt.. 03/28/2025
Read more
5 months 2 weeks ago
SPC 1730Z Day 2 Outlook
Day 2 Convective Outlook
NWS Storm Prediction Center Norman OK
1227 PM CDT Fri Mar 28 2025
Valid 291200Z - 301200Z
...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FOR PARTS OF
NORTHERN OKLAHOMA...EASTERN KANSAS...WESTERN/CENTRAL MISSOURI...
...SUMMARY...
Scattered severe thunderstorms are possible from northern Oklahoma
into the Lower Missouri Valley on Saturday evening/night. Large to
very large hail should be the primary hazard, but a couple of severe
gusts and possibly a tornado or two may occur.
...Synopsis...
The upper-level pattern across the Rockies and Plains will be
somewhat disorganized. However, two low-amplitude shortwave troughs
are expected to eject into the Plains during the period. At the
surface, an initial surface cyclone in western Kansas will evolve
into two distinct lows as the two shortwave troughs eject in
succession. One low will move through the lower
Missouri/mid-Mississippi Valleys while the other will shift through
western/central Oklahoma before weakening by Sunday morning.
...Eastern Kansas/western/central Missouri/northern Oklahoma...
Dewpoints should increase ahead of the dryline/cold front during the
day. Most model guidance suggests upper 50s to low 60s F will be
possible. Confidence in storm development is highest in these areas.
Forcing for ascent from the secondary shortwave trough, surface
low/dryline, and the cold front should promote widely scattered to
scattered storms initially from north-central Oklahoma into
northeast Kansas. Effective shear will be strong enough for
supercells. Near the triple point into southeast Kansas, supercell
structures have potential to last longer into the evening given the
more orthogonal shear vector orientation to the dryline. From the
Flint Hills into northeast Kansas, supercells would likely persist
for a short period. Very-large hail is possible with any supercell,
but will become less likely with time as storms will tend to congeal
along the cold front in eastern Kansas. Given that the boundary
layer will be rather well-mixed and the low-level jet will increase
during the evening, some upscale growth into one or more clusters
seems probable. Large to very-large hail will be the primary threat.
Isolated severe/damaging gusts and perhaps a tornado or two are also
possible. The primary area of greater tornado risk, conditional on
supercell storm mode, will likely be from northeast Oklahoma into
southeast Kansas where low-level hodographs will be more favorably
curved/enlarged. There is some question how far east strong/severe
storms will persist into Missouri. The current Slight risk has been
maintained as is, but model trends will continue to be monitored.
...Central/western Oklahoma into Central Texas...
In Oklahoma, capping from an elevated mixed layer should suppress
convection along the dryline through the afternoon. With 850-700 mb
winds generally veered in the vicinity of the dryline, it becomes
rather uncertain if convection will be able to initiate given
parcels short residence time in the narrow zone of ascent.
Furthermore, mid-level ascent will not arrive until after sunset.
Models continue to show a very weak signal for any development as a
result. Should a storm or two manage to develop, the environment
will be conditionally favorable for supercells capable of
large/very-large hail, severe winds, and perhaps a tornado.
Farther south into Texas, a similarly capped environment will exist.
Stronger heating may lead to a few convection initiation attempts
along the dryline (a scenario hinted at by the ECMWF/GFS as well as
some CAMS). Additional potential will exist in far southern
Oklahoma/North Texas near a triple point feature along with a
strengthening low-level jet core. Isolated large to very-large hail
and severe gusts would be the primary threats with this activity,
should it develop.
...Lower Missouri into mid-Mississippi Valley...
The lead shortwave will promote a surface low to deepen in the
Kansas City vicinity and track roughly north-northeastward through
the evening. A few, likely elevated, storms could produce large hail
given the steep lapse rates aloft. An isolated strong/damaging gust
is also possible but should be spatially limited and conditional on
a more organized cluster developing. The northern and eastern extent
of the threat are the most uncertain for these region.
..Wendt.. 03/28/2025
Read more
5 months 2 weeks ago
SPC 1730Z Day 2 Outlook
Day 2 Convective Outlook
NWS Storm Prediction Center Norman OK
1227 PM CDT Fri Mar 28 2025
Valid 291200Z - 301200Z
...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FOR PARTS OF
NORTHERN OKLAHOMA...EASTERN KANSAS...WESTERN/CENTRAL MISSOURI...
...SUMMARY...
Scattered severe thunderstorms are possible from northern Oklahoma
into the Lower Missouri Valley on Saturday evening/night. Large to
very large hail should be the primary hazard, but a couple of severe
gusts and possibly a tornado or two may occur.
...Synopsis...
The upper-level pattern across the Rockies and Plains will be
somewhat disorganized. However, two low-amplitude shortwave troughs
are expected to eject into the Plains during the period. At the
surface, an initial surface cyclone in western Kansas will evolve
into two distinct lows as the two shortwave troughs eject in
succession. One low will move through the lower
Missouri/mid-Mississippi Valleys while the other will shift through
western/central Oklahoma before weakening by Sunday morning.
...Eastern Kansas/western/central Missouri/northern Oklahoma...
Dewpoints should increase ahead of the dryline/cold front during the
day. Most model guidance suggests upper 50s to low 60s F will be
possible. Confidence in storm development is highest in these areas.
Forcing for ascent from the secondary shortwave trough, surface
low/dryline, and the cold front should promote widely scattered to
scattered storms initially from north-central Oklahoma into
northeast Kansas. Effective shear will be strong enough for
supercells. Near the triple point into southeast Kansas, supercell
structures have potential to last longer into the evening given the
more orthogonal shear vector orientation to the dryline. From the
Flint Hills into northeast Kansas, supercells would likely persist
for a short period. Very-large hail is possible with any supercell,
but will become less likely with time as storms will tend to congeal
along the cold front in eastern Kansas. Given that the boundary
layer will be rather well-mixed and the low-level jet will increase
during the evening, some upscale growth into one or more clusters
seems probable. Large to very-large hail will be the primary threat.
Isolated severe/damaging gusts and perhaps a tornado or two are also
possible. The primary area of greater tornado risk, conditional on
supercell storm mode, will likely be from northeast Oklahoma into
southeast Kansas where low-level hodographs will be more favorably
curved/enlarged. There is some question how far east strong/severe
storms will persist into Missouri. The current Slight risk has been
maintained as is, but model trends will continue to be monitored.
...Central/western Oklahoma into Central Texas...
In Oklahoma, capping from an elevated mixed layer should suppress
convection along the dryline through the afternoon. With 850-700 mb
winds generally veered in the vicinity of the dryline, it becomes
rather uncertain if convection will be able to initiate given
parcels short residence time in the narrow zone of ascent.
Furthermore, mid-level ascent will not arrive until after sunset.
Models continue to show a very weak signal for any development as a
result. Should a storm or two manage to develop, the environment
will be conditionally favorable for supercells capable of
large/very-large hail, severe winds, and perhaps a tornado.
Farther south into Texas, a similarly capped environment will exist.
Stronger heating may lead to a few convection initiation attempts
along the dryline (a scenario hinted at by the ECMWF/GFS as well as
some CAMS). Additional potential will exist in far southern
Oklahoma/North Texas near a triple point feature along with a
strengthening low-level jet core. Isolated large to very-large hail
and severe gusts would be the primary threats with this activity,
should it develop.
...Lower Missouri into mid-Mississippi Valley...
The lead shortwave will promote a surface low to deepen in the
Kansas City vicinity and track roughly north-northeastward through
the evening. A few, likely elevated, storms could produce large hail
given the steep lapse rates aloft. An isolated strong/damaging gust
is also possible but should be spatially limited and conditional on
a more organized cluster developing. The northern and eastern extent
of the threat are the most uncertain for these region.
..Wendt.. 03/28/2025
Read more
5 months 2 weeks ago
SPC 1730Z Day 2 Outlook
Day 2 Convective Outlook
NWS Storm Prediction Center Norman OK
1227 PM CDT Fri Mar 28 2025
Valid 291200Z - 301200Z
...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FOR PARTS OF
NORTHERN OKLAHOMA...EASTERN KANSAS...WESTERN/CENTRAL MISSOURI...
...SUMMARY...
Scattered severe thunderstorms are possible from northern Oklahoma
into the Lower Missouri Valley on Saturday evening/night. Large to
very large hail should be the primary hazard, but a couple of severe
gusts and possibly a tornado or two may occur.
...Synopsis...
The upper-level pattern across the Rockies and Plains will be
somewhat disorganized. However, two low-amplitude shortwave troughs
are expected to eject into the Plains during the period. At the
surface, an initial surface cyclone in western Kansas will evolve
into two distinct lows as the two shortwave troughs eject in
succession. One low will move through the lower
Missouri/mid-Mississippi Valleys while the other will shift through
western/central Oklahoma before weakening by Sunday morning.
...Eastern Kansas/western/central Missouri/northern Oklahoma...
Dewpoints should increase ahead of the dryline/cold front during the
day. Most model guidance suggests upper 50s to low 60s F will be
possible. Confidence in storm development is highest in these areas.
Forcing for ascent from the secondary shortwave trough, surface
low/dryline, and the cold front should promote widely scattered to
scattered storms initially from north-central Oklahoma into
northeast Kansas. Effective shear will be strong enough for
supercells. Near the triple point into southeast Kansas, supercell
structures have potential to last longer into the evening given the
more orthogonal shear vector orientation to the dryline. From the
Flint Hills into northeast Kansas, supercells would likely persist
for a short period. Very-large hail is possible with any supercell,
but will become less likely with time as storms will tend to congeal
along the cold front in eastern Kansas. Given that the boundary
layer will be rather well-mixed and the low-level jet will increase
during the evening, some upscale growth into one or more clusters
seems probable. Large to very-large hail will be the primary threat.
Isolated severe/damaging gusts and perhaps a tornado or two are also
possible. The primary area of greater tornado risk, conditional on
supercell storm mode, will likely be from northeast Oklahoma into
southeast Kansas where low-level hodographs will be more favorably
curved/enlarged. There is some question how far east strong/severe
storms will persist into Missouri. The current Slight risk has been
maintained as is, but model trends will continue to be monitored.
...Central/western Oklahoma into Central Texas...
In Oklahoma, capping from an elevated mixed layer should suppress
convection along the dryline through the afternoon. With 850-700 mb
winds generally veered in the vicinity of the dryline, it becomes
rather uncertain if convection will be able to initiate given
parcels short residence time in the narrow zone of ascent.
Furthermore, mid-level ascent will not arrive until after sunset.
Models continue to show a very weak signal for any development as a
result. Should a storm or two manage to develop, the environment
will be conditionally favorable for supercells capable of
large/very-large hail, severe winds, and perhaps a tornado.
Farther south into Texas, a similarly capped environment will exist.
Stronger heating may lead to a few convection initiation attempts
along the dryline (a scenario hinted at by the ECMWF/GFS as well as
some CAMS). Additional potential will exist in far southern
Oklahoma/North Texas near a triple point feature along with a
strengthening low-level jet core. Isolated large to very-large hail
and severe gusts would be the primary threats with this activity,
should it develop.
...Lower Missouri into mid-Mississippi Valley...
The lead shortwave will promote a surface low to deepen in the
Kansas City vicinity and track roughly north-northeastward through
the evening. A few, likely elevated, storms could produce large hail
given the steep lapse rates aloft. An isolated strong/damaging gust
is also possible but should be spatially limited and conditional on
a more organized cluster developing. The northern and eastern extent
of the threat are the most uncertain for these region.
..Wendt.. 03/28/2025
Read more
5 months 2 weeks ago
WW 0066 Status Updates
STATUS FOR WATCH 0066 HAS NOT BEEN ISSUED YET
Read more
5 months 2 weeks ago
No watches are valid as of Fri Mar 28 17:16:02 UTC 2025.
5 months 2 weeks ago
SPC Day 1 Fire Weather Outlook
Day 1 Fire Weather Outlook
NWS Storm Prediction Center Norman OK
1131 AM CDT Fri Mar 28 2025
Valid 281700Z - 291200Z
The primary change to the Day 1 Fire Weather Outlook Update was to
add Elevated highlights to the lee of the central Appalachians.
Here, the latest guidance consensus has trended slightly stronger
with surface flow, where southwesterly surface winds may sustain
over 15 mph in spots amid 20-35 percent RH. Current observations
show mostly clear skies, with RH already dropping to 30 percent amid
20 mph gusts in spots, and these conditions should only be
exacerbated with continued diurnal heating. Given the presence of
abnormally dry/receptive fuels, the addition of Elevated highlights
appears warranted.
Elevated highlights were also expanded slightly eastward into the
southern High Plains, where the latest guidance consensus depicts
15+ mph sustained southwesterly surface winds coinciding with 15-20
percent RH for several hours this afternoon. Otherwise, the previous
forecast for the southern High Plains, central Plains, and Florida
(see below) remains on track.
..Squitieri.. 03/28/2025
.PREV DISCUSSION... /ISSUED 0203 AM CDT Fri Mar 28 2025/
...Synopsis...
A broad large-scale trough will encompass the western CONUS, while
an embedded shortwave trough (accompanied by moderate
west-southwesterly midlevel flow) advances east-northeastward across
the southern/central Rockies. Deep boundary-layer mixing into the
strengthening flow aloft will yield 10-15 percent RH and breezy
west-southwesterly surface winds across much of NM into southern CO.
As a result, elevated to locally critical fire-weather conditions
are expected. A separate embedded shortwave trough will overspread
the northern Rockies/High Plains, while a related surface trough
deepens over the central Plains. West of the surface trough,
downslope flow and a modest pressure gradient will contribute to
dry/breezy conditions over portions of NE into SD -- where elevated
fire-weather conditions are expected.
Farther east, breezy easterly surface winds will develop across the
FL Peninsula -- on the southwestern periphery of an expansive
surface high over the western Atlantic. Over portions of
west-central and southwest FL, a well-mixed boundary layer and the
breezy/gusty surface winds will contribute to elevated fire-weather
conditions -- given very dry fuels over the area. Over the southern
Appalachians and portions of the lower OH Valley, modestly breezy
southerly surface winds and around 25-30 percent RH may support
localized fire-weather concerns during the afternoon; however,
marginal surface winds and RH cast uncertainty on the overall
large-fire risk -- precluding highlights at this time.
...Please see www.spc.noaa.gov/fire for graphic product...
Read more
5 months 2 weeks ago
SPC Day 1 Fire Weather Outlook
Day 1 Fire Weather Outlook
NWS Storm Prediction Center Norman OK
1131 AM CDT Fri Mar 28 2025
Valid 281700Z - 291200Z
The primary change to the Day 1 Fire Weather Outlook Update was to
add Elevated highlights to the lee of the central Appalachians.
Here, the latest guidance consensus has trended slightly stronger
with surface flow, where southwesterly surface winds may sustain
over 15 mph in spots amid 20-35 percent RH. Current observations
show mostly clear skies, with RH already dropping to 30 percent amid
20 mph gusts in spots, and these conditions should only be
exacerbated with continued diurnal heating. Given the presence of
abnormally dry/receptive fuels, the addition of Elevated highlights
appears warranted.
Elevated highlights were also expanded slightly eastward into the
southern High Plains, where the latest guidance consensus depicts
15+ mph sustained southwesterly surface winds coinciding with 15-20
percent RH for several hours this afternoon. Otherwise, the previous
forecast for the southern High Plains, central Plains, and Florida
(see below) remains on track.
..Squitieri.. 03/28/2025
.PREV DISCUSSION... /ISSUED 0203 AM CDT Fri Mar 28 2025/
...Synopsis...
A broad large-scale trough will encompass the western CONUS, while
an embedded shortwave trough (accompanied by moderate
west-southwesterly midlevel flow) advances east-northeastward across
the southern/central Rockies. Deep boundary-layer mixing into the
strengthening flow aloft will yield 10-15 percent RH and breezy
west-southwesterly surface winds across much of NM into southern CO.
As a result, elevated to locally critical fire-weather conditions
are expected. A separate embedded shortwave trough will overspread
the northern Rockies/High Plains, while a related surface trough
deepens over the central Plains. West of the surface trough,
downslope flow and a modest pressure gradient will contribute to
dry/breezy conditions over portions of NE into SD -- where elevated
fire-weather conditions are expected.
Farther east, breezy easterly surface winds will develop across the
FL Peninsula -- on the southwestern periphery of an expansive
surface high over the western Atlantic. Over portions of
west-central and southwest FL, a well-mixed boundary layer and the
breezy/gusty surface winds will contribute to elevated fire-weather
conditions -- given very dry fuels over the area. Over the southern
Appalachians and portions of the lower OH Valley, modestly breezy
southerly surface winds and around 25-30 percent RH may support
localized fire-weather concerns during the afternoon; however,
marginal surface winds and RH cast uncertainty on the overall
large-fire risk -- precluding highlights at this time.
...Please see www.spc.noaa.gov/fire for graphic product...
Read more
5 months 2 weeks ago
SPC Day 1 Fire Weather Outlook
Day 1 Fire Weather Outlook
NWS Storm Prediction Center Norman OK
1131 AM CDT Fri Mar 28 2025
Valid 281700Z - 291200Z
The primary change to the Day 1 Fire Weather Outlook Update was to
add Elevated highlights to the lee of the central Appalachians.
Here, the latest guidance consensus has trended slightly stronger
with surface flow, where southwesterly surface winds may sustain
over 15 mph in spots amid 20-35 percent RH. Current observations
show mostly clear skies, with RH already dropping to 30 percent amid
20 mph gusts in spots, and these conditions should only be
exacerbated with continued diurnal heating. Given the presence of
abnormally dry/receptive fuels, the addition of Elevated highlights
appears warranted.
Elevated highlights were also expanded slightly eastward into the
southern High Plains, where the latest guidance consensus depicts
15+ mph sustained southwesterly surface winds coinciding with 15-20
percent RH for several hours this afternoon. Otherwise, the previous
forecast for the southern High Plains, central Plains, and Florida
(see below) remains on track.
..Squitieri.. 03/28/2025
.PREV DISCUSSION... /ISSUED 0203 AM CDT Fri Mar 28 2025/
...Synopsis...
A broad large-scale trough will encompass the western CONUS, while
an embedded shortwave trough (accompanied by moderate
west-southwesterly midlevel flow) advances east-northeastward across
the southern/central Rockies. Deep boundary-layer mixing into the
strengthening flow aloft will yield 10-15 percent RH and breezy
west-southwesterly surface winds across much of NM into southern CO.
As a result, elevated to locally critical fire-weather conditions
are expected. A separate embedded shortwave trough will overspread
the northern Rockies/High Plains, while a related surface trough
deepens over the central Plains. West of the surface trough,
downslope flow and a modest pressure gradient will contribute to
dry/breezy conditions over portions of NE into SD -- where elevated
fire-weather conditions are expected.
Farther east, breezy easterly surface winds will develop across the
FL Peninsula -- on the southwestern periphery of an expansive
surface high over the western Atlantic. Over portions of
west-central and southwest FL, a well-mixed boundary layer and the
breezy/gusty surface winds will contribute to elevated fire-weather
conditions -- given very dry fuels over the area. Over the southern
Appalachians and portions of the lower OH Valley, modestly breezy
southerly surface winds and around 25-30 percent RH may support
localized fire-weather concerns during the afternoon; however,
marginal surface winds and RH cast uncertainty on the overall
large-fire risk -- precluding highlights at this time.
...Please see www.spc.noaa.gov/fire for graphic product...
Read more
5 months 2 weeks ago
SPC Day 1 Fire Weather Outlook
Day 1 Fire Weather Outlook
NWS Storm Prediction Center Norman OK
1131 AM CDT Fri Mar 28 2025
Valid 281700Z - 291200Z
The primary change to the Day 1 Fire Weather Outlook Update was to
add Elevated highlights to the lee of the central Appalachians.
Here, the latest guidance consensus has trended slightly stronger
with surface flow, where southwesterly surface winds may sustain
over 15 mph in spots amid 20-35 percent RH. Current observations
show mostly clear skies, with RH already dropping to 30 percent amid
20 mph gusts in spots, and these conditions should only be
exacerbated with continued diurnal heating. Given the presence of
abnormally dry/receptive fuels, the addition of Elevated highlights
appears warranted.
Elevated highlights were also expanded slightly eastward into the
southern High Plains, where the latest guidance consensus depicts
15+ mph sustained southwesterly surface winds coinciding with 15-20
percent RH for several hours this afternoon. Otherwise, the previous
forecast for the southern High Plains, central Plains, and Florida
(see below) remains on track.
..Squitieri.. 03/28/2025
.PREV DISCUSSION... /ISSUED 0203 AM CDT Fri Mar 28 2025/
...Synopsis...
A broad large-scale trough will encompass the western CONUS, while
an embedded shortwave trough (accompanied by moderate
west-southwesterly midlevel flow) advances east-northeastward across
the southern/central Rockies. Deep boundary-layer mixing into the
strengthening flow aloft will yield 10-15 percent RH and breezy
west-southwesterly surface winds across much of NM into southern CO.
As a result, elevated to locally critical fire-weather conditions
are expected. A separate embedded shortwave trough will overspread
the northern Rockies/High Plains, while a related surface trough
deepens over the central Plains. West of the surface trough,
downslope flow and a modest pressure gradient will contribute to
dry/breezy conditions over portions of NE into SD -- where elevated
fire-weather conditions are expected.
Farther east, breezy easterly surface winds will develop across the
FL Peninsula -- on the southwestern periphery of an expansive
surface high over the western Atlantic. Over portions of
west-central and southwest FL, a well-mixed boundary layer and the
breezy/gusty surface winds will contribute to elevated fire-weather
conditions -- given very dry fuels over the area. Over the southern
Appalachians and portions of the lower OH Valley, modestly breezy
southerly surface winds and around 25-30 percent RH may support
localized fire-weather concerns during the afternoon; however,
marginal surface winds and RH cast uncertainty on the overall
large-fire risk -- precluding highlights at this time.
...Please see www.spc.noaa.gov/fire for graphic product...
Read more
5 months 2 weeks ago
SPC Day 1 Fire Weather Outlook
Day 1 Fire Weather Outlook
NWS Storm Prediction Center Norman OK
1131 AM CDT Fri Mar 28 2025
Valid 281700Z - 291200Z
The primary change to the Day 1 Fire Weather Outlook Update was to
add Elevated highlights to the lee of the central Appalachians.
Here, the latest guidance consensus has trended slightly stronger
with surface flow, where southwesterly surface winds may sustain
over 15 mph in spots amid 20-35 percent RH. Current observations
show mostly clear skies, with RH already dropping to 30 percent amid
20 mph gusts in spots, and these conditions should only be
exacerbated with continued diurnal heating. Given the presence of
abnormally dry/receptive fuels, the addition of Elevated highlights
appears warranted.
Elevated highlights were also expanded slightly eastward into the
southern High Plains, where the latest guidance consensus depicts
15+ mph sustained southwesterly surface winds coinciding with 15-20
percent RH for several hours this afternoon. Otherwise, the previous
forecast for the southern High Plains, central Plains, and Florida
(see below) remains on track.
..Squitieri.. 03/28/2025
.PREV DISCUSSION... /ISSUED 0203 AM CDT Fri Mar 28 2025/
...Synopsis...
A broad large-scale trough will encompass the western CONUS, while
an embedded shortwave trough (accompanied by moderate
west-southwesterly midlevel flow) advances east-northeastward across
the southern/central Rockies. Deep boundary-layer mixing into the
strengthening flow aloft will yield 10-15 percent RH and breezy
west-southwesterly surface winds across much of NM into southern CO.
As a result, elevated to locally critical fire-weather conditions
are expected. A separate embedded shortwave trough will overspread
the northern Rockies/High Plains, while a related surface trough
deepens over the central Plains. West of the surface trough,
downslope flow and a modest pressure gradient will contribute to
dry/breezy conditions over portions of NE into SD -- where elevated
fire-weather conditions are expected.
Farther east, breezy easterly surface winds will develop across the
FL Peninsula -- on the southwestern periphery of an expansive
surface high over the western Atlantic. Over portions of
west-central and southwest FL, a well-mixed boundary layer and the
breezy/gusty surface winds will contribute to elevated fire-weather
conditions -- given very dry fuels over the area. Over the southern
Appalachians and portions of the lower OH Valley, modestly breezy
southerly surface winds and around 25-30 percent RH may support
localized fire-weather concerns during the afternoon; however,
marginal surface winds and RH cast uncertainty on the overall
large-fire risk -- precluding highlights at this time.
...Please see www.spc.noaa.gov/fire for graphic product...
Read more
5 months 2 weeks ago
SPC Day 1 Fire Weather Outlook
Day 1 Fire Weather Outlook
NWS Storm Prediction Center Norman OK
1131 AM CDT Fri Mar 28 2025
Valid 281700Z - 291200Z
The primary change to the Day 1 Fire Weather Outlook Update was to
add Elevated highlights to the lee of the central Appalachians.
Here, the latest guidance consensus has trended slightly stronger
with surface flow, where southwesterly surface winds may sustain
over 15 mph in spots amid 20-35 percent RH. Current observations
show mostly clear skies, with RH already dropping to 30 percent amid
20 mph gusts in spots, and these conditions should only be
exacerbated with continued diurnal heating. Given the presence of
abnormally dry/receptive fuels, the addition of Elevated highlights
appears warranted.
Elevated highlights were also expanded slightly eastward into the
southern High Plains, where the latest guidance consensus depicts
15+ mph sustained southwesterly surface winds coinciding with 15-20
percent RH for several hours this afternoon. Otherwise, the previous
forecast for the southern High Plains, central Plains, and Florida
(see below) remains on track.
..Squitieri.. 03/28/2025
.PREV DISCUSSION... /ISSUED 0203 AM CDT Fri Mar 28 2025/
...Synopsis...
A broad large-scale trough will encompass the western CONUS, while
an embedded shortwave trough (accompanied by moderate
west-southwesterly midlevel flow) advances east-northeastward across
the southern/central Rockies. Deep boundary-layer mixing into the
strengthening flow aloft will yield 10-15 percent RH and breezy
west-southwesterly surface winds across much of NM into southern CO.
As a result, elevated to locally critical fire-weather conditions
are expected. A separate embedded shortwave trough will overspread
the northern Rockies/High Plains, while a related surface trough
deepens over the central Plains. West of the surface trough,
downslope flow and a modest pressure gradient will contribute to
dry/breezy conditions over portions of NE into SD -- where elevated
fire-weather conditions are expected.
Farther east, breezy easterly surface winds will develop across the
FL Peninsula -- on the southwestern periphery of an expansive
surface high over the western Atlantic. Over portions of
west-central and southwest FL, a well-mixed boundary layer and the
breezy/gusty surface winds will contribute to elevated fire-weather
conditions -- given very dry fuels over the area. Over the southern
Appalachians and portions of the lower OH Valley, modestly breezy
southerly surface winds and around 25-30 percent RH may support
localized fire-weather concerns during the afternoon; however,
marginal surface winds and RH cast uncertainty on the overall
large-fire risk -- precluding highlights at this time.
...Please see www.spc.noaa.gov/fire for graphic product...
Read more
5 months 2 weeks ago
SPC Day 1 Fire Weather Outlook
Day 1 Fire Weather Outlook
NWS Storm Prediction Center Norman OK
1131 AM CDT Fri Mar 28 2025
Valid 281700Z - 291200Z
The primary change to the Day 1 Fire Weather Outlook Update was to
add Elevated highlights to the lee of the central Appalachians.
Here, the latest guidance consensus has trended slightly stronger
with surface flow, where southwesterly surface winds may sustain
over 15 mph in spots amid 20-35 percent RH. Current observations
show mostly clear skies, with RH already dropping to 30 percent amid
20 mph gusts in spots, and these conditions should only be
exacerbated with continued diurnal heating. Given the presence of
abnormally dry/receptive fuels, the addition of Elevated highlights
appears warranted.
Elevated highlights were also expanded slightly eastward into the
southern High Plains, where the latest guidance consensus depicts
15+ mph sustained southwesterly surface winds coinciding with 15-20
percent RH for several hours this afternoon. Otherwise, the previous
forecast for the southern High Plains, central Plains, and Florida
(see below) remains on track.
..Squitieri.. 03/28/2025
.PREV DISCUSSION... /ISSUED 0203 AM CDT Fri Mar 28 2025/
...Synopsis...
A broad large-scale trough will encompass the western CONUS, while
an embedded shortwave trough (accompanied by moderate
west-southwesterly midlevel flow) advances east-northeastward across
the southern/central Rockies. Deep boundary-layer mixing into the
strengthening flow aloft will yield 10-15 percent RH and breezy
west-southwesterly surface winds across much of NM into southern CO.
As a result, elevated to locally critical fire-weather conditions
are expected. A separate embedded shortwave trough will overspread
the northern Rockies/High Plains, while a related surface trough
deepens over the central Plains. West of the surface trough,
downslope flow and a modest pressure gradient will contribute to
dry/breezy conditions over portions of NE into SD -- where elevated
fire-weather conditions are expected.
Farther east, breezy easterly surface winds will develop across the
FL Peninsula -- on the southwestern periphery of an expansive
surface high over the western Atlantic. Over portions of
west-central and southwest FL, a well-mixed boundary layer and the
breezy/gusty surface winds will contribute to elevated fire-weather
conditions -- given very dry fuels over the area. Over the southern
Appalachians and portions of the lower OH Valley, modestly breezy
southerly surface winds and around 25-30 percent RH may support
localized fire-weather concerns during the afternoon; however,
marginal surface winds and RH cast uncertainty on the overall
large-fire risk -- precluding highlights at this time.
...Please see www.spc.noaa.gov/fire for graphic product...
Read more
5 months 2 weeks ago
SPC Day 1 Fire Weather Outlook
Day 1 Fire Weather Outlook
NWS Storm Prediction Center Norman OK
1131 AM CDT Fri Mar 28 2025
Valid 281700Z - 291200Z
The primary change to the Day 1 Fire Weather Outlook Update was to
add Elevated highlights to the lee of the central Appalachians.
Here, the latest guidance consensus has trended slightly stronger
with surface flow, where southwesterly surface winds may sustain
over 15 mph in spots amid 20-35 percent RH. Current observations
show mostly clear skies, with RH already dropping to 30 percent amid
20 mph gusts in spots, and these conditions should only be
exacerbated with continued diurnal heating. Given the presence of
abnormally dry/receptive fuels, the addition of Elevated highlights
appears warranted.
Elevated highlights were also expanded slightly eastward into the
southern High Plains, where the latest guidance consensus depicts
15+ mph sustained southwesterly surface winds coinciding with 15-20
percent RH for several hours this afternoon. Otherwise, the previous
forecast for the southern High Plains, central Plains, and Florida
(see below) remains on track.
..Squitieri.. 03/28/2025
.PREV DISCUSSION... /ISSUED 0203 AM CDT Fri Mar 28 2025/
...Synopsis...
A broad large-scale trough will encompass the western CONUS, while
an embedded shortwave trough (accompanied by moderate
west-southwesterly midlevel flow) advances east-northeastward across
the southern/central Rockies. Deep boundary-layer mixing into the
strengthening flow aloft will yield 10-15 percent RH and breezy
west-southwesterly surface winds across much of NM into southern CO.
As a result, elevated to locally critical fire-weather conditions
are expected. A separate embedded shortwave trough will overspread
the northern Rockies/High Plains, while a related surface trough
deepens over the central Plains. West of the surface trough,
downslope flow and a modest pressure gradient will contribute to
dry/breezy conditions over portions of NE into SD -- where elevated
fire-weather conditions are expected.
Farther east, breezy easterly surface winds will develop across the
FL Peninsula -- on the southwestern periphery of an expansive
surface high over the western Atlantic. Over portions of
west-central and southwest FL, a well-mixed boundary layer and the
breezy/gusty surface winds will contribute to elevated fire-weather
conditions -- given very dry fuels over the area. Over the southern
Appalachians and portions of the lower OH Valley, modestly breezy
southerly surface winds and around 25-30 percent RH may support
localized fire-weather concerns during the afternoon; however,
marginal surface winds and RH cast uncertainty on the overall
large-fire risk -- precluding highlights at this time.
...Please see www.spc.noaa.gov/fire for graphic product...
Read more
5 months 2 weeks ago
SPC Day 1 Fire Weather Outlook
Day 1 Fire Weather Outlook
NWS Storm Prediction Center Norman OK
1131 AM CDT Fri Mar 28 2025
Valid 281700Z - 291200Z
The primary change to the Day 1 Fire Weather Outlook Update was to
add Elevated highlights to the lee of the central Appalachians.
Here, the latest guidance consensus has trended slightly stronger
with surface flow, where southwesterly surface winds may sustain
over 15 mph in spots amid 20-35 percent RH. Current observations
show mostly clear skies, with RH already dropping to 30 percent amid
20 mph gusts in spots, and these conditions should only be
exacerbated with continued diurnal heating. Given the presence of
abnormally dry/receptive fuels, the addition of Elevated highlights
appears warranted.
Elevated highlights were also expanded slightly eastward into the
southern High Plains, where the latest guidance consensus depicts
15+ mph sustained southwesterly surface winds coinciding with 15-20
percent RH for several hours this afternoon. Otherwise, the previous
forecast for the southern High Plains, central Plains, and Florida
(see below) remains on track.
..Squitieri.. 03/28/2025
.PREV DISCUSSION... /ISSUED 0203 AM CDT Fri Mar 28 2025/
...Synopsis...
A broad large-scale trough will encompass the western CONUS, while
an embedded shortwave trough (accompanied by moderate
west-southwesterly midlevel flow) advances east-northeastward across
the southern/central Rockies. Deep boundary-layer mixing into the
strengthening flow aloft will yield 10-15 percent RH and breezy
west-southwesterly surface winds across much of NM into southern CO.
As a result, elevated to locally critical fire-weather conditions
are expected. A separate embedded shortwave trough will overspread
the northern Rockies/High Plains, while a related surface trough
deepens over the central Plains. West of the surface trough,
downslope flow and a modest pressure gradient will contribute to
dry/breezy conditions over portions of NE into SD -- where elevated
fire-weather conditions are expected.
Farther east, breezy easterly surface winds will develop across the
FL Peninsula -- on the southwestern periphery of an expansive
surface high over the western Atlantic. Over portions of
west-central and southwest FL, a well-mixed boundary layer and the
breezy/gusty surface winds will contribute to elevated fire-weather
conditions -- given very dry fuels over the area. Over the southern
Appalachians and portions of the lower OH Valley, modestly breezy
southerly surface winds and around 25-30 percent RH may support
localized fire-weather concerns during the afternoon; however,
marginal surface winds and RH cast uncertainty on the overall
large-fire risk -- precluding highlights at this time.
...Please see www.spc.noaa.gov/fire for graphic product...
Read more
5 months 2 weeks ago
SPC Day 1 Fire Weather Outlook
Day 1 Fire Weather Outlook
NWS Storm Prediction Center Norman OK
1131 AM CDT Fri Mar 28 2025
Valid 281700Z - 291200Z
The primary change to the Day 1 Fire Weather Outlook Update was to
add Elevated highlights to the lee of the central Appalachians.
Here, the latest guidance consensus has trended slightly stronger
with surface flow, where southwesterly surface winds may sustain
over 15 mph in spots amid 20-35 percent RH. Current observations
show mostly clear skies, with RH already dropping to 30 percent amid
20 mph gusts in spots, and these conditions should only be
exacerbated with continued diurnal heating. Given the presence of
abnormally dry/receptive fuels, the addition of Elevated highlights
appears warranted.
Elevated highlights were also expanded slightly eastward into the
southern High Plains, where the latest guidance consensus depicts
15+ mph sustained southwesterly surface winds coinciding with 15-20
percent RH for several hours this afternoon. Otherwise, the previous
forecast for the southern High Plains, central Plains, and Florida
(see below) remains on track.
..Squitieri.. 03/28/2025
.PREV DISCUSSION... /ISSUED 0203 AM CDT Fri Mar 28 2025/
...Synopsis...
A broad large-scale trough will encompass the western CONUS, while
an embedded shortwave trough (accompanied by moderate
west-southwesterly midlevel flow) advances east-northeastward across
the southern/central Rockies. Deep boundary-layer mixing into the
strengthening flow aloft will yield 10-15 percent RH and breezy
west-southwesterly surface winds across much of NM into southern CO.
As a result, elevated to locally critical fire-weather conditions
are expected. A separate embedded shortwave trough will overspread
the northern Rockies/High Plains, while a related surface trough
deepens over the central Plains. West of the surface trough,
downslope flow and a modest pressure gradient will contribute to
dry/breezy conditions over portions of NE into SD -- where elevated
fire-weather conditions are expected.
Farther east, breezy easterly surface winds will develop across the
FL Peninsula -- on the southwestern periphery of an expansive
surface high over the western Atlantic. Over portions of
west-central and southwest FL, a well-mixed boundary layer and the
breezy/gusty surface winds will contribute to elevated fire-weather
conditions -- given very dry fuels over the area. Over the southern
Appalachians and portions of the lower OH Valley, modestly breezy
southerly surface winds and around 25-30 percent RH may support
localized fire-weather concerns during the afternoon; however,
marginal surface winds and RH cast uncertainty on the overall
large-fire risk -- precluding highlights at this time.
...Please see www.spc.noaa.gov/fire for graphic product...
Read more
5 months 2 weeks ago
SPC Day 1 Fire Weather Outlook
Day 1 Fire Weather Outlook
NWS Storm Prediction Center Norman OK
1131 AM CDT Fri Mar 28 2025
Valid 281700Z - 291200Z
The primary change to the Day 1 Fire Weather Outlook Update was to
add Elevated highlights to the lee of the central Appalachians.
Here, the latest guidance consensus has trended slightly stronger
with surface flow, where southwesterly surface winds may sustain
over 15 mph in spots amid 20-35 percent RH. Current observations
show mostly clear skies, with RH already dropping to 30 percent amid
20 mph gusts in spots, and these conditions should only be
exacerbated with continued diurnal heating. Given the presence of
abnormally dry/receptive fuels, the addition of Elevated highlights
appears warranted.
Elevated highlights were also expanded slightly eastward into the
southern High Plains, where the latest guidance consensus depicts
15+ mph sustained southwesterly surface winds coinciding with 15-20
percent RH for several hours this afternoon. Otherwise, the previous
forecast for the southern High Plains, central Plains, and Florida
(see below) remains on track.
..Squitieri.. 03/28/2025
.PREV DISCUSSION... /ISSUED 0203 AM CDT Fri Mar 28 2025/
...Synopsis...
A broad large-scale trough will encompass the western CONUS, while
an embedded shortwave trough (accompanied by moderate
west-southwesterly midlevel flow) advances east-northeastward across
the southern/central Rockies. Deep boundary-layer mixing into the
strengthening flow aloft will yield 10-15 percent RH and breezy
west-southwesterly surface winds across much of NM into southern CO.
As a result, elevated to locally critical fire-weather conditions
are expected. A separate embedded shortwave trough will overspread
the northern Rockies/High Plains, while a related surface trough
deepens over the central Plains. West of the surface trough,
downslope flow and a modest pressure gradient will contribute to
dry/breezy conditions over portions of NE into SD -- where elevated
fire-weather conditions are expected.
Farther east, breezy easterly surface winds will develop across the
FL Peninsula -- on the southwestern periphery of an expansive
surface high over the western Atlantic. Over portions of
west-central and southwest FL, a well-mixed boundary layer and the
breezy/gusty surface winds will contribute to elevated fire-weather
conditions -- given very dry fuels over the area. Over the southern
Appalachians and portions of the lower OH Valley, modestly breezy
southerly surface winds and around 25-30 percent RH may support
localized fire-weather concerns during the afternoon; however,
marginal surface winds and RH cast uncertainty on the overall
large-fire risk -- precluding highlights at this time.
...Please see www.spc.noaa.gov/fire for graphic product...
Read more
5 months 2 weeks ago
SPC Day 1 Fire Weather Outlook
Day 1 Fire Weather Outlook
NWS Storm Prediction Center Norman OK
1131 AM CDT Fri Mar 28 2025
Valid 281700Z - 291200Z
The primary change to the Day 1 Fire Weather Outlook Update was to
add Elevated highlights to the lee of the central Appalachians.
Here, the latest guidance consensus has trended slightly stronger
with surface flow, where southwesterly surface winds may sustain
over 15 mph in spots amid 20-35 percent RH. Current observations
show mostly clear skies, with RH already dropping to 30 percent amid
20 mph gusts in spots, and these conditions should only be
exacerbated with continued diurnal heating. Given the presence of
abnormally dry/receptive fuels, the addition of Elevated highlights
appears warranted.
Elevated highlights were also expanded slightly eastward into the
southern High Plains, where the latest guidance consensus depicts
15+ mph sustained southwesterly surface winds coinciding with 15-20
percent RH for several hours this afternoon. Otherwise, the previous
forecast for the southern High Plains, central Plains, and Florida
(see below) remains on track.
..Squitieri.. 03/28/2025
.PREV DISCUSSION... /ISSUED 0203 AM CDT Fri Mar 28 2025/
...Synopsis...
A broad large-scale trough will encompass the western CONUS, while
an embedded shortwave trough (accompanied by moderate
west-southwesterly midlevel flow) advances east-northeastward across
the southern/central Rockies. Deep boundary-layer mixing into the
strengthening flow aloft will yield 10-15 percent RH and breezy
west-southwesterly surface winds across much of NM into southern CO.
As a result, elevated to locally critical fire-weather conditions
are expected. A separate embedded shortwave trough will overspread
the northern Rockies/High Plains, while a related surface trough
deepens over the central Plains. West of the surface trough,
downslope flow and a modest pressure gradient will contribute to
dry/breezy conditions over portions of NE into SD -- where elevated
fire-weather conditions are expected.
Farther east, breezy easterly surface winds will develop across the
FL Peninsula -- on the southwestern periphery of an expansive
surface high over the western Atlantic. Over portions of
west-central and southwest FL, a well-mixed boundary layer and the
breezy/gusty surface winds will contribute to elevated fire-weather
conditions -- given very dry fuels over the area. Over the southern
Appalachians and portions of the lower OH Valley, modestly breezy
southerly surface winds and around 25-30 percent RH may support
localized fire-weather concerns during the afternoon; however,
marginal surface winds and RH cast uncertainty on the overall
large-fire risk -- precluding highlights at this time.
...Please see www.spc.noaa.gov/fire for graphic product...
Read more
Checked
5 years 11 months ago
Storm Prediction Center
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