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6 months 2 weeks ago
SPC 0100Z Day 1 Outlook
Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
0639 PM CST Wed Feb 05 2025
Valid 060100Z - 061200Z
...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS IN
SOUTHERN/CENTRAL KY TO FAR NORTHERN TN...
...SUMMARY...
A couple tornadic storms, along with isolated damaging winds and
large hail, will be possible overnight into early morning Thursday
across parts of Kentucky and Tennessee.
...KY/TN...
A low-amplitude shortwave trough over the Mid/Lower MO Valley will
progress east across parts of the Midwest tonight. Strong
tropospheric flow attendant to this wave will overspread the
northern periphery of a warm-moist sector advancing north from the
TN Valley. This will induce weak cyclogenesis overnight within the
pronounced baroclinic zone. Low-level warm theta-e advection will
strengthen later this evening, with mainly elevated convection
occurring north-northeast of the surface front. Still, some
potential will exist for near surface-based storms across the
baroclinic zone, along with a couple supercells.
A separate band of broken convection may form in the early morning
as a cold front emerges near the developing surface cyclone.
Enlarged low-level hodographs, coupled with pronounced elongation in
the mid/upper levels, could foster a couple sustained surface-based
supercells within this regime across parts of southern to central KY
and far northern TN. The categorical risk has been increased to a
level 2-SLGT for the overnight/early-morning tornado potential.
..Grams.. 02/06/2025
Read more
6 months 2 weeks ago
SPC 0100Z Day 1 Outlook
Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
0639 PM CST Wed Feb 05 2025
Valid 060100Z - 061200Z
...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS IN
SOUTHERN/CENTRAL KY TO FAR NORTHERN TN...
...SUMMARY...
A couple tornadic storms, along with isolated damaging winds and
large hail, will be possible overnight into early morning Thursday
across parts of Kentucky and Tennessee.
...KY/TN...
A low-amplitude shortwave trough over the Mid/Lower MO Valley will
progress east across parts of the Midwest tonight. Strong
tropospheric flow attendant to this wave will overspread the
northern periphery of a warm-moist sector advancing north from the
TN Valley. This will induce weak cyclogenesis overnight within the
pronounced baroclinic zone. Low-level warm theta-e advection will
strengthen later this evening, with mainly elevated convection
occurring north-northeast of the surface front. Still, some
potential will exist for near surface-based storms across the
baroclinic zone, along with a couple supercells.
A separate band of broken convection may form in the early morning
as a cold front emerges near the developing surface cyclone.
Enlarged low-level hodographs, coupled with pronounced elongation in
the mid/upper levels, could foster a couple sustained surface-based
supercells within this regime across parts of southern to central KY
and far northern TN. The categorical risk has been increased to a
level 2-SLGT for the overnight/early-morning tornado potential.
..Grams.. 02/06/2025
Read more
6 months 2 weeks ago
SPC 0100Z Day 1 Outlook
Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
0639 PM CST Wed Feb 05 2025
Valid 060100Z - 061200Z
...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS IN
SOUTHERN/CENTRAL KY TO FAR NORTHERN TN...
...SUMMARY...
A couple tornadic storms, along with isolated damaging winds and
large hail, will be possible overnight into early morning Thursday
across parts of Kentucky and Tennessee.
...KY/TN...
A low-amplitude shortwave trough over the Mid/Lower MO Valley will
progress east across parts of the Midwest tonight. Strong
tropospheric flow attendant to this wave will overspread the
northern periphery of a warm-moist sector advancing north from the
TN Valley. This will induce weak cyclogenesis overnight within the
pronounced baroclinic zone. Low-level warm theta-e advection will
strengthen later this evening, with mainly elevated convection
occurring north-northeast of the surface front. Still, some
potential will exist for near surface-based storms across the
baroclinic zone, along with a couple supercells.
A separate band of broken convection may form in the early morning
as a cold front emerges near the developing surface cyclone.
Enlarged low-level hodographs, coupled with pronounced elongation in
the mid/upper levels, could foster a couple sustained surface-based
supercells within this regime across parts of southern to central KY
and far northern TN. The categorical risk has been increased to a
level 2-SLGT for the overnight/early-morning tornado potential.
..Grams.. 02/06/2025
Read more
6 months 2 weeks ago
No watches are valid as of Wed Feb 5 22:31:02 UTC 2025.
6 months 2 weeks ago
No Mesoscale Discussions are in effect as of Wed Feb 5 22:31:02 UTC 2025.
6 months 2 weeks ago
SPC Day 3-8 Fire Weather Outlook
Day 3-8 Fire Weather Outlook
NWS Storm Prediction Center Norman OK
0328 PM CST Wed Feb 05 2025
Valid 071200Z - 131200Z
Fire weather concerns will be focused across the southern High
Plains though the extended period, though confidence in fire weather
potential diminishes beyond this weekend. Long-range ensemble
solutions show reasonably good agreement in a shift from a
ridge-dominated upper-level regime to a more progressive regime by
early next week. This transition will feature several low-amplitude
upper troughs propagating across the CONUS, each with attendant
chances for precipitation. Ensemble QPF probabilities suggest that
most regions will see at least some accumulating rain/snow potential
through the middle of next week with the exception of the Desert
Southwest and southern High Plains. Recent fuel drying across these
regions will likely be exacerbated by the limited rain/snowfall
potential through next week. Breezy conditions may emerge across
parts of the southern High Plains each day as lee troughing develops
with the passage of upper disturbances over the central Rockies.
D3/Friday continues to see the best signal for 20+ mph winds per
GEFS/ECENS probabilities with weaker signals noted over the weekend
and into early next week - likely the result of a cold frontal
intrusion that is expected on D4/Sat into D5/Sun. The dry air mass
already in place across the southern High Plains will likely remain
entrenched over the region and foster daily RH reductions into the
teens. Elevated to critical fire weather conditions are most
probable on D3/Friday, though more localized/transient concerns may
emerge across southern NM and far west TX over the weekend and into
early next week.
..Moore.. 02/05/2025
...Please see www.spc.noaa.gov/fire for graphic product...
Read more
6 months 2 weeks ago
SPC Day 3-8 Fire Weather Outlook
Day 3-8 Fire Weather Outlook
NWS Storm Prediction Center Norman OK
0328 PM CST Wed Feb 05 2025
Valid 071200Z - 131200Z
Fire weather concerns will be focused across the southern High
Plains though the extended period, though confidence in fire weather
potential diminishes beyond this weekend. Long-range ensemble
solutions show reasonably good agreement in a shift from a
ridge-dominated upper-level regime to a more progressive regime by
early next week. This transition will feature several low-amplitude
upper troughs propagating across the CONUS, each with attendant
chances for precipitation. Ensemble QPF probabilities suggest that
most regions will see at least some accumulating rain/snow potential
through the middle of next week with the exception of the Desert
Southwest and southern High Plains. Recent fuel drying across these
regions will likely be exacerbated by the limited rain/snowfall
potential through next week. Breezy conditions may emerge across
parts of the southern High Plains each day as lee troughing develops
with the passage of upper disturbances over the central Rockies.
D3/Friday continues to see the best signal for 20+ mph winds per
GEFS/ECENS probabilities with weaker signals noted over the weekend
and into early next week - likely the result of a cold frontal
intrusion that is expected on D4/Sat into D5/Sun. The dry air mass
already in place across the southern High Plains will likely remain
entrenched over the region and foster daily RH reductions into the
teens. Elevated to critical fire weather conditions are most
probable on D3/Friday, though more localized/transient concerns may
emerge across southern NM and far west TX over the weekend and into
early next week.
..Moore.. 02/05/2025
...Please see www.spc.noaa.gov/fire for graphic product...
Read more
6 months 2 weeks ago
SPC Day 3-8 Fire Weather Outlook
Day 3-8 Fire Weather Outlook
NWS Storm Prediction Center Norman OK
0328 PM CST Wed Feb 05 2025
Valid 071200Z - 131200Z
Fire weather concerns will be focused across the southern High
Plains though the extended period, though confidence in fire weather
potential diminishes beyond this weekend. Long-range ensemble
solutions show reasonably good agreement in a shift from a
ridge-dominated upper-level regime to a more progressive regime by
early next week. This transition will feature several low-amplitude
upper troughs propagating across the CONUS, each with attendant
chances for precipitation. Ensemble QPF probabilities suggest that
most regions will see at least some accumulating rain/snow potential
through the middle of next week with the exception of the Desert
Southwest and southern High Plains. Recent fuel drying across these
regions will likely be exacerbated by the limited rain/snowfall
potential through next week. Breezy conditions may emerge across
parts of the southern High Plains each day as lee troughing develops
with the passage of upper disturbances over the central Rockies.
D3/Friday continues to see the best signal for 20+ mph winds per
GEFS/ECENS probabilities with weaker signals noted over the weekend
and into early next week - likely the result of a cold frontal
intrusion that is expected on D4/Sat into D5/Sun. The dry air mass
already in place across the southern High Plains will likely remain
entrenched over the region and foster daily RH reductions into the
teens. Elevated to critical fire weather conditions are most
probable on D3/Friday, though more localized/transient concerns may
emerge across southern NM and far west TX over the weekend and into
early next week.
..Moore.. 02/05/2025
...Please see www.spc.noaa.gov/fire for graphic product...
Read more
6 months 2 weeks ago
SPC Day 3-8 Fire Weather Outlook
Day 3-8 Fire Weather Outlook
NWS Storm Prediction Center Norman OK
0328 PM CST Wed Feb 05 2025
Valid 071200Z - 131200Z
Fire weather concerns will be focused across the southern High
Plains though the extended period, though confidence in fire weather
potential diminishes beyond this weekend. Long-range ensemble
solutions show reasonably good agreement in a shift from a
ridge-dominated upper-level regime to a more progressive regime by
early next week. This transition will feature several low-amplitude
upper troughs propagating across the CONUS, each with attendant
chances for precipitation. Ensemble QPF probabilities suggest that
most regions will see at least some accumulating rain/snow potential
through the middle of next week with the exception of the Desert
Southwest and southern High Plains. Recent fuel drying across these
regions will likely be exacerbated by the limited rain/snowfall
potential through next week. Breezy conditions may emerge across
parts of the southern High Plains each day as lee troughing develops
with the passage of upper disturbances over the central Rockies.
D3/Friday continues to see the best signal for 20+ mph winds per
GEFS/ECENS probabilities with weaker signals noted over the weekend
and into early next week - likely the result of a cold frontal
intrusion that is expected on D4/Sat into D5/Sun. The dry air mass
already in place across the southern High Plains will likely remain
entrenched over the region and foster daily RH reductions into the
teens. Elevated to critical fire weather conditions are most
probable on D3/Friday, though more localized/transient concerns may
emerge across southern NM and far west TX over the weekend and into
early next week.
..Moore.. 02/05/2025
...Please see www.spc.noaa.gov/fire for graphic product...
Read more
6 months 2 weeks ago
SPC Day 3-8 Fire Weather Outlook
Day 3-8 Fire Weather Outlook
NWS Storm Prediction Center Norman OK
0328 PM CST Wed Feb 05 2025
Valid 071200Z - 131200Z
Fire weather concerns will be focused across the southern High
Plains though the extended period, though confidence in fire weather
potential diminishes beyond this weekend. Long-range ensemble
solutions show reasonably good agreement in a shift from a
ridge-dominated upper-level regime to a more progressive regime by
early next week. This transition will feature several low-amplitude
upper troughs propagating across the CONUS, each with attendant
chances for precipitation. Ensemble QPF probabilities suggest that
most regions will see at least some accumulating rain/snow potential
through the middle of next week with the exception of the Desert
Southwest and southern High Plains. Recent fuel drying across these
regions will likely be exacerbated by the limited rain/snowfall
potential through next week. Breezy conditions may emerge across
parts of the southern High Plains each day as lee troughing develops
with the passage of upper disturbances over the central Rockies.
D3/Friday continues to see the best signal for 20+ mph winds per
GEFS/ECENS probabilities with weaker signals noted over the weekend
and into early next week - likely the result of a cold frontal
intrusion that is expected on D4/Sat into D5/Sun. The dry air mass
already in place across the southern High Plains will likely remain
entrenched over the region and foster daily RH reductions into the
teens. Elevated to critical fire weather conditions are most
probable on D3/Friday, though more localized/transient concerns may
emerge across southern NM and far west TX over the weekend and into
early next week.
..Moore.. 02/05/2025
...Please see www.spc.noaa.gov/fire for graphic product...
Read more
6 months 2 weeks ago
SPC 2000Z Day 1 Outlook
Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
0144 PM CST Wed Feb 05 2025
Valid 052000Z - 061200Z
...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS PORTIONS OF THE
OHIO AND TENNESSEE VALLEYS...
...SUMMARY...
Thunderstorms with isolated severe potential will be possible
tonight from Tennessee and Kentucky into southern Ohio and western
West Virginia.
...20z Update...
The 2% tornado risk was expanded eastward across southern
Kentucky/northern Tennessee with this update, with no changes made
to the overall categorical outlook.
A conditional tornado risk is possible overnight but remains largely
dependent on ability for a surface based storm to occur near the
lifting warm front. Given the relatively narrow corridor of
favorable surface based instability and favorable low-level lapse
rates, confidence is low in increasing tornado probabilities at this
time. The main threats will remain damaging wind and hail.
See previous discussion below for more information.
..Thornton/Hart.. 02/05/2025
.PREV DISCUSSION... /ISSUED 1010 AM CST Wed Feb 05 2025/
...OH/TN Valleys Tonight...
A shortwave trough currently over the central Rockies will track
across the Plains and into the mid MS Valley tonight. A transient
low-level jet feature will accompany the shortwave and strengthen as
it spreads into the OH/TN Valleys after dark. Low-level moisture
will slowly increase through the day, with dewpoints in the 50s
spreading northward across TN into KY. This will lead to a zone of
weak CAPE (500-800 J/kg) from west TN into eastern KY. 12z Model
guidance indicates the potential for one or two clusters of
thunderstorms in this region during the overnight period. Forecast
soundings suggest that some of the storms could become surface-based
with a marginal concern for damaging wind gusts or a tornado.
Mid-level lapse rates are sufficiently steep to pose some risk of
hail if a robust updraft can become established.
Read more
6 months 2 weeks ago
SPC 2000Z Day 1 Outlook
Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
0144 PM CST Wed Feb 05 2025
Valid 052000Z - 061200Z
...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS PORTIONS OF THE
OHIO AND TENNESSEE VALLEYS...
...SUMMARY...
Thunderstorms with isolated severe potential will be possible
tonight from Tennessee and Kentucky into southern Ohio and western
West Virginia.
...20z Update...
The 2% tornado risk was expanded eastward across southern
Kentucky/northern Tennessee with this update, with no changes made
to the overall categorical outlook.
A conditional tornado risk is possible overnight but remains largely
dependent on ability for a surface based storm to occur near the
lifting warm front. Given the relatively narrow corridor of
favorable surface based instability and favorable low-level lapse
rates, confidence is low in increasing tornado probabilities at this
time. The main threats will remain damaging wind and hail.
See previous discussion below for more information.
..Thornton/Hart.. 02/05/2025
.PREV DISCUSSION... /ISSUED 1010 AM CST Wed Feb 05 2025/
...OH/TN Valleys Tonight...
A shortwave trough currently over the central Rockies will track
across the Plains and into the mid MS Valley tonight. A transient
low-level jet feature will accompany the shortwave and strengthen as
it spreads into the OH/TN Valleys after dark. Low-level moisture
will slowly increase through the day, with dewpoints in the 50s
spreading northward across TN into KY. This will lead to a zone of
weak CAPE (500-800 J/kg) from west TN into eastern KY. 12z Model
guidance indicates the potential for one or two clusters of
thunderstorms in this region during the overnight period. Forecast
soundings suggest that some of the storms could become surface-based
with a marginal concern for damaging wind gusts or a tornado.
Mid-level lapse rates are sufficiently steep to pose some risk of
hail if a robust updraft can become established.
Read more
6 months 2 weeks ago
SPC 2000Z Day 1 Outlook
Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
0144 PM CST Wed Feb 05 2025
Valid 052000Z - 061200Z
...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS PORTIONS OF THE
OHIO AND TENNESSEE VALLEYS...
...SUMMARY...
Thunderstorms with isolated severe potential will be possible
tonight from Tennessee and Kentucky into southern Ohio and western
West Virginia.
...20z Update...
The 2% tornado risk was expanded eastward across southern
Kentucky/northern Tennessee with this update, with no changes made
to the overall categorical outlook.
A conditional tornado risk is possible overnight but remains largely
dependent on ability for a surface based storm to occur near the
lifting warm front. Given the relatively narrow corridor of
favorable surface based instability and favorable low-level lapse
rates, confidence is low in increasing tornado probabilities at this
time. The main threats will remain damaging wind and hail.
See previous discussion below for more information.
..Thornton/Hart.. 02/05/2025
.PREV DISCUSSION... /ISSUED 1010 AM CST Wed Feb 05 2025/
...OH/TN Valleys Tonight...
A shortwave trough currently over the central Rockies will track
across the Plains and into the mid MS Valley tonight. A transient
low-level jet feature will accompany the shortwave and strengthen as
it spreads into the OH/TN Valleys after dark. Low-level moisture
will slowly increase through the day, with dewpoints in the 50s
spreading northward across TN into KY. This will lead to a zone of
weak CAPE (500-800 J/kg) from west TN into eastern KY. 12z Model
guidance indicates the potential for one or two clusters of
thunderstorms in this region during the overnight period. Forecast
soundings suggest that some of the storms could become surface-based
with a marginal concern for damaging wind gusts or a tornado.
Mid-level lapse rates are sufficiently steep to pose some risk of
hail if a robust updraft can become established.
Read more
6 months 2 weeks ago
SPC 2000Z Day 1 Outlook
Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
0144 PM CST Wed Feb 05 2025
Valid 052000Z - 061200Z
...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS PORTIONS OF THE
OHIO AND TENNESSEE VALLEYS...
...SUMMARY...
Thunderstorms with isolated severe potential will be possible
tonight from Tennessee and Kentucky into southern Ohio and western
West Virginia.
...20z Update...
The 2% tornado risk was expanded eastward across southern
Kentucky/northern Tennessee with this update, with no changes made
to the overall categorical outlook.
A conditional tornado risk is possible overnight but remains largely
dependent on ability for a surface based storm to occur near the
lifting warm front. Given the relatively narrow corridor of
favorable surface based instability and favorable low-level lapse
rates, confidence is low in increasing tornado probabilities at this
time. The main threats will remain damaging wind and hail.
See previous discussion below for more information.
..Thornton/Hart.. 02/05/2025
.PREV DISCUSSION... /ISSUED 1010 AM CST Wed Feb 05 2025/
...OH/TN Valleys Tonight...
A shortwave trough currently over the central Rockies will track
across the Plains and into the mid MS Valley tonight. A transient
low-level jet feature will accompany the shortwave and strengthen as
it spreads into the OH/TN Valleys after dark. Low-level moisture
will slowly increase through the day, with dewpoints in the 50s
spreading northward across TN into KY. This will lead to a zone of
weak CAPE (500-800 J/kg) from west TN into eastern KY. 12z Model
guidance indicates the potential for one or two clusters of
thunderstorms in this region during the overnight period. Forecast
soundings suggest that some of the storms could become surface-based
with a marginal concern for damaging wind gusts or a tornado.
Mid-level lapse rates are sufficiently steep to pose some risk of
hail if a robust updraft can become established.
Read more
6 months 2 weeks ago
SPC 2000Z Day 1 Outlook
Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
0144 PM CST Wed Feb 05 2025
Valid 052000Z - 061200Z
...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS PORTIONS OF THE
OHIO AND TENNESSEE VALLEYS...
...SUMMARY...
Thunderstorms with isolated severe potential will be possible
tonight from Tennessee and Kentucky into southern Ohio and western
West Virginia.
...20z Update...
The 2% tornado risk was expanded eastward across southern
Kentucky/northern Tennessee with this update, with no changes made
to the overall categorical outlook.
A conditional tornado risk is possible overnight but remains largely
dependent on ability for a surface based storm to occur near the
lifting warm front. Given the relatively narrow corridor of
favorable surface based instability and favorable low-level lapse
rates, confidence is low in increasing tornado probabilities at this
time. The main threats will remain damaging wind and hail.
See previous discussion below for more information.
..Thornton/Hart.. 02/05/2025
.PREV DISCUSSION... /ISSUED 1010 AM CST Wed Feb 05 2025/
...OH/TN Valleys Tonight...
A shortwave trough currently over the central Rockies will track
across the Plains and into the mid MS Valley tonight. A transient
low-level jet feature will accompany the shortwave and strengthen as
it spreads into the OH/TN Valleys after dark. Low-level moisture
will slowly increase through the day, with dewpoints in the 50s
spreading northward across TN into KY. This will lead to a zone of
weak CAPE (500-800 J/kg) from west TN into eastern KY. 12z Model
guidance indicates the potential for one or two clusters of
thunderstorms in this region during the overnight period. Forecast
soundings suggest that some of the storms could become surface-based
with a marginal concern for damaging wind gusts or a tornado.
Mid-level lapse rates are sufficiently steep to pose some risk of
hail if a robust updraft can become established.
Read more
6 months 2 weeks ago
SPC 2000Z Day 1 Outlook
Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
0144 PM CST Wed Feb 05 2025
Valid 052000Z - 061200Z
...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS PORTIONS OF THE
OHIO AND TENNESSEE VALLEYS...
...SUMMARY...
Thunderstorms with isolated severe potential will be possible
tonight from Tennessee and Kentucky into southern Ohio and western
West Virginia.
...20z Update...
The 2% tornado risk was expanded eastward across southern
Kentucky/northern Tennessee with this update, with no changes made
to the overall categorical outlook.
A conditional tornado risk is possible overnight but remains largely
dependent on ability for a surface based storm to occur near the
lifting warm front. Given the relatively narrow corridor of
favorable surface based instability and favorable low-level lapse
rates, confidence is low in increasing tornado probabilities at this
time. The main threats will remain damaging wind and hail.
See previous discussion below for more information.
..Thornton/Hart.. 02/05/2025
.PREV DISCUSSION... /ISSUED 1010 AM CST Wed Feb 05 2025/
...OH/TN Valleys Tonight...
A shortwave trough currently over the central Rockies will track
across the Plains and into the mid MS Valley tonight. A transient
low-level jet feature will accompany the shortwave and strengthen as
it spreads into the OH/TN Valleys after dark. Low-level moisture
will slowly increase through the day, with dewpoints in the 50s
spreading northward across TN into KY. This will lead to a zone of
weak CAPE (500-800 J/kg) from west TN into eastern KY. 12z Model
guidance indicates the potential for one or two clusters of
thunderstorms in this region during the overnight period. Forecast
soundings suggest that some of the storms could become surface-based
with a marginal concern for damaging wind gusts or a tornado.
Mid-level lapse rates are sufficiently steep to pose some risk of
hail if a robust updraft can become established.
Read more
6 months 2 weeks ago
SPC 2000Z Day 1 Outlook
Day 1 Convective Outlook
NWS Storm Prediction Center Norman OK
0144 PM CST Wed Feb 05 2025
Valid 052000Z - 061200Z
...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS PORTIONS OF THE
OHIO AND TENNESSEE VALLEYS...
...SUMMARY...
Thunderstorms with isolated severe potential will be possible
tonight from Tennessee and Kentucky into southern Ohio and western
West Virginia.
...20z Update...
The 2% tornado risk was expanded eastward across southern
Kentucky/northern Tennessee with this update, with no changes made
to the overall categorical outlook.
A conditional tornado risk is possible overnight but remains largely
dependent on ability for a surface based storm to occur near the
lifting warm front. Given the relatively narrow corridor of
favorable surface based instability and favorable low-level lapse
rates, confidence is low in increasing tornado probabilities at this
time. The main threats will remain damaging wind and hail.
See previous discussion below for more information.
..Thornton/Hart.. 02/05/2025
.PREV DISCUSSION... /ISSUED 1010 AM CST Wed Feb 05 2025/
...OH/TN Valleys Tonight...
A shortwave trough currently over the central Rockies will track
across the Plains and into the mid MS Valley tonight. A transient
low-level jet feature will accompany the shortwave and strengthen as
it spreads into the OH/TN Valleys after dark. Low-level moisture
will slowly increase through the day, with dewpoints in the 50s
spreading northward across TN into KY. This will lead to a zone of
weak CAPE (500-800 J/kg) from west TN into eastern KY. 12z Model
guidance indicates the potential for one or two clusters of
thunderstorms in this region during the overnight period. Forecast
soundings suggest that some of the storms could become surface-based
with a marginal concern for damaging wind gusts or a tornado.
Mid-level lapse rates are sufficiently steep to pose some risk of
hail if a robust updraft can become established.
Read more
6 months 2 weeks ago
SPC Day 2 Fire Weather Outlook
Day 2 Fire Weather Outlook
NWS Storm Prediction Center Norman OK
0129 PM CST Wed Feb 05 2025
Valid 061200Z - 071200Z
The previous forecast remains on track with only minor adjustments
needed based on recent high-res guidance. In general, ensemble and
deterministic solutions suggest that widespread elevated conditions
are likely across portions of eastern AZ and much of NM, but the
potential for widespread/persistent critical conditions remains
limited. See the previous discussion below for additional details.
..Moore.. 02/05/2025
.PREV DISCUSSION... /ISSUED 0203 AM CST Wed Feb 05 2025/
...Synopsis...
Continued, largely zonal, mid-level flow is expected across the
central and western US D2/Thursday. Several embedded perturbations
are forecast to move over the Rockies, enhancing lee troughing and
surface winds over the Southwest. Continued warm/dry conditions,
bolstered by increasing winds, should support several hours of
elevated to near-critical fire-weather concerns.
...Southern High Plains and Southwest...
Periods of breezy conditions are anticipated as low-amplitude upper
disturbances and strong westerly flow aloft traverse the central
Rockies. Modest lee troughing will encourage westerly downslope
winds of 15-25 mph off the central/southern Rockies over much of AZ
and NM. Continued dry and warm conditions, aided by deep mixing,
will keep humidity below 15% over much of the area. With several
days of drying, fuels will likely continue to become more receptive
to fire spread. Recent model guidance has trended windier and drier
across much of the Southwest. A few hours of locally critical
fire-weather conditions also appear possible within areas of
stronger terrain-enhanced wind gusts. However, confidence in
widespread critical conditions is relatively low, given the more
limited overlap of the stronger winds, low humidity and more
receptive fuels.
...Please see www.spc.noaa.gov/fire for graphic product...
Read more
6 months 2 weeks ago
SPC Day 2 Fire Weather Outlook
Day 2 Fire Weather Outlook
NWS Storm Prediction Center Norman OK
0129 PM CST Wed Feb 05 2025
Valid 061200Z - 071200Z
The previous forecast remains on track with only minor adjustments
needed based on recent high-res guidance. In general, ensemble and
deterministic solutions suggest that widespread elevated conditions
are likely across portions of eastern AZ and much of NM, but the
potential for widespread/persistent critical conditions remains
limited. See the previous discussion below for additional details.
..Moore.. 02/05/2025
.PREV DISCUSSION... /ISSUED 0203 AM CST Wed Feb 05 2025/
...Synopsis...
Continued, largely zonal, mid-level flow is expected across the
central and western US D2/Thursday. Several embedded perturbations
are forecast to move over the Rockies, enhancing lee troughing and
surface winds over the Southwest. Continued warm/dry conditions,
bolstered by increasing winds, should support several hours of
elevated to near-critical fire-weather concerns.
...Southern High Plains and Southwest...
Periods of breezy conditions are anticipated as low-amplitude upper
disturbances and strong westerly flow aloft traverse the central
Rockies. Modest lee troughing will encourage westerly downslope
winds of 15-25 mph off the central/southern Rockies over much of AZ
and NM. Continued dry and warm conditions, aided by deep mixing,
will keep humidity below 15% over much of the area. With several
days of drying, fuels will likely continue to become more receptive
to fire spread. Recent model guidance has trended windier and drier
across much of the Southwest. A few hours of locally critical
fire-weather conditions also appear possible within areas of
stronger terrain-enhanced wind gusts. However, confidence in
widespread critical conditions is relatively low, given the more
limited overlap of the stronger winds, low humidity and more
receptive fuels.
...Please see www.spc.noaa.gov/fire for graphic product...
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6 months 2 weeks ago
SPC Day 2 Fire Weather Outlook
Day 2 Fire Weather Outlook
NWS Storm Prediction Center Norman OK
0129 PM CST Wed Feb 05 2025
Valid 061200Z - 071200Z
The previous forecast remains on track with only minor adjustments
needed based on recent high-res guidance. In general, ensemble and
deterministic solutions suggest that widespread elevated conditions
are likely across portions of eastern AZ and much of NM, but the
potential for widespread/persistent critical conditions remains
limited. See the previous discussion below for additional details.
..Moore.. 02/05/2025
.PREV DISCUSSION... /ISSUED 0203 AM CST Wed Feb 05 2025/
...Synopsis...
Continued, largely zonal, mid-level flow is expected across the
central and western US D2/Thursday. Several embedded perturbations
are forecast to move over the Rockies, enhancing lee troughing and
surface winds over the Southwest. Continued warm/dry conditions,
bolstered by increasing winds, should support several hours of
elevated to near-critical fire-weather concerns.
...Southern High Plains and Southwest...
Periods of breezy conditions are anticipated as low-amplitude upper
disturbances and strong westerly flow aloft traverse the central
Rockies. Modest lee troughing will encourage westerly downslope
winds of 15-25 mph off the central/southern Rockies over much of AZ
and NM. Continued dry and warm conditions, aided by deep mixing,
will keep humidity below 15% over much of the area. With several
days of drying, fuels will likely continue to become more receptive
to fire spread. Recent model guidance has trended windier and drier
across much of the Southwest. A few hours of locally critical
fire-weather conditions also appear possible within areas of
stronger terrain-enhanced wind gusts. However, confidence in
widespread critical conditions is relatively low, given the more
limited overlap of the stronger winds, low humidity and more
receptive fuels.
...Please see www.spc.noaa.gov/fire for graphic product...
Read more
Checked
5 years 10 months ago
Storm Prediction Center
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