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1 year 7 months ago
MD 0029 CONCERNING HEAVY SNOW FOR EASTERN IOWA...NORTHWEST ILLINOIS...AND FAR SOUTHWEST WISCONSIN.
Mesoscale Discussion 0029
NWS Storm Prediction Center Norman OK
0912 AM CST Tue Jan 09 2024
Areas affected...Eastern Iowa...northwest Illinois...and far
southwest Wisconsin.
Concerning...Heavy snow
Valid 091512Z - 091815Z
SUMMARY...Moderate to heavy snow with rates of 1 to 2 inches per
hour are expected into the early afternoon. Strong winds will lead
to blowing, drifting, and reduced visibility.
DISCUSSION...A 987mb surface low currently southeast of St. Louis
this morning will continue to deepen through the day as it moves
north into Michigan and deepens below 980mb. Within the last hour,
snowfall rates have started to increase across eastern Iowa within
the deformation region of the cyclone. Expect this moderate to heavy
snow to shift eastward into northern Illinois and Wisconsin during
the day in response to the deepening/moving cyclone. Winds are
already around 20 mph with gusts to 30 mph but are expected to
strengthen further to around 25 mph with gusts to 40 mph this
afternoon as the pressure gradient tightens. Widespread blowing and
drifting snow is expected with localized blizzard conditions
possible.
..Bentley.. 01/09/2024
...Please see www.spc.noaa.gov for graphic product...
ATTN...WFO...LOT...ILX...MKX...DVN...ARX...DMX...
LAT...LON 40859304 41019375 41789363 42189297 42798981 42608890
41898904 41178951 40559126 40859304
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1 year 7 months ago
MD 0030 CONCERNING SEVERE POTENTIAL...TORNADO WATCH LIKELY FOR PORTIONS OF NORTH FL...COASTAL/EASTERN GA...MUCH OF SC...AND EXTREME SOUTH-CENTRAL NC
Mesoscale Discussion 0030
NWS Storm Prediction Center Norman OK
0945 AM CST Tue Jan 09 2024
Areas affected...Portions of north FL...coastal/eastern GA...much of
SC...and extreme south-central NC
Concerning...Severe potential...Tornado Watch likely
Valid 091545Z - 091745Z
Probability of Watch Issuance...80 percent
SUMMARY...Conditions are expected to become increasingly favorable
for tornadoes and severe/damaging winds over the next couple of
hours. Tornado Watch issuance is likely.
DISCUSSION...A broken line of convection extends from northeast GA
to the FL Panhandle along/near a surface cold front. A powerful
upper cyclone is centered over the mid MS Valley this morning, with
associated 60-80+ kt southerly low-level jet rapidly advecting
moisture northward ahead of the line. Various recent RAP/NAM
forecast soundings across north FL into coastal/eastern GA and much
of SC suggest that it will take at least 62-63F surface dewpoints
amid modest daytime heating to aid weak boundary-layer
destabilization and the potential for surface-based thunderstorms.
Latest surface observations indicate that sufficient low-level
moisture is already in place as far north as central GA/SC.
Current expectations are that this continued low-level warm/moist
advection will likely support a severe threat as far north as parts
of upstate SC and towards Charlotte NC. Area VWPs ahead of the
ongoing QLCS show low-level flow quickly strengthening to 60-70+ kt
above 1 km, with ample low-level shear available to support updraft
rotation and embedded tornadic circulations within the line.
Severe/damaging downdraft winds of 60-75 mph also appear likely
given the strength of the low-level flow. With the severe potential
likely to increase across this region over the next few hours,
Tornado Watch issuance is likely.
..Gleason/Hart.. 01/09/2024
...Please see www.spc.noaa.gov for graphic product...
ATTN...WFO...CHS...CAE...GSP...JAX...
LAT...LON 29908244 31848219 32578194 33248219 34118244 35028094
34778040 33478014 32807960 32018073 30918133 29738123
29458216 29908244
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1 year 7 months ago
WW 0005 Status Updates
STATUS REPORT ON WW 5
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 0030
..THORNTON..01/09/24
ATTN...WFO...JAX...CHS...CAE...RAH...GSP...ILM...
STATUS REPORT FOR WT 5
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
FLC001-003-007-019-031-035-089-107-109-125-091840-
FL
. FLORIDA COUNTIES INCLUDED ARE
ALACHUA BAKER BRADFORD
CLAY DUVAL FLAGLER
NASSAU PUTNAM ST. JOHNS
UNION
GAC001-025-029-031-033-039-043-049-051-073-103-109-127-165-179-
181-183-189-191-229-245-251-267-305-091840-
GA
. GEORGIA COUNTIES INCLUDED ARE
APPLING BRANTLEY BRYAN
BULLOCH BURKE CAMDEN
CANDLER CHARLTON CHATHAM
COLUMBIA EFFINGHAM EVANS
GLYNN JENKINS LIBERTY
LINCOLN LONG MCDUFFIE
MCINTOSH PIERCE RICHMOND
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1 year 7 months ago
WW 0004 Status Updates
STATUS REPORT ON WW 4
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 60 WSW CTY
TO 45 NW CTY TO 10 SSW VLD TO 40 WNW AYS TO 35 WSW VDI TO 30 SW
AGS.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 0030
..THORNTON..01/09/24
ATTN...WFO...BMX...TAE...JAX...FFC...
STATUS REPORT FOR WT 4
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
FLC023-029-041-047-067-121-091840-
FL
. FLORIDA COUNTIES INCLUDED ARE
COLUMBIA DIXIE GILCHRIST
HAMILTON LAFAYETTE SUWANNEE
GAC003-005-065-069-101-107-161-173-185-209-279-283-299-309-
091840-
GA
. GEORGIA COUNTIES INCLUDED ARE
ATKINSON BACON CLINCH
COFFEE ECHOLS EMANUEL
JEFF DAVIS LANIER LOWNDES
MONTGOMERY TOOMBS TREUTLEN
WARE WHEELER
Read more
1 year 7 months ago
WW 0004 Status Updates
STATUS REPORT ON WW 4
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 60 WSW CTY
TO 45 NW CTY TO 10 SSW VLD TO 40 WNW AYS TO 35 WSW VDI TO 30 SW
AGS.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 0030
..THORNTON..01/09/24
ATTN...WFO...BMX...TAE...JAX...FFC...
STATUS REPORT FOR WT 4
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
FLC023-029-041-047-067-121-091840-
FL
. FLORIDA COUNTIES INCLUDED ARE
COLUMBIA DIXIE GILCHRIST
HAMILTON LAFAYETTE SUWANNEE
GAC003-005-065-069-101-107-161-173-185-209-279-283-299-309-
091840-
GA
. GEORGIA COUNTIES INCLUDED ARE
ATKINSON BACON CLINCH
COFFEE ECHOLS EMANUEL
JEFF DAVIS LANIER LOWNDES
MONTGOMERY TOOMBS TREUTLEN
WARE WHEELER
Read more
1 year 7 months ago
WW 0004 Status Updates
STATUS REPORT ON WW 4
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 60 WSW CTY
TO 45 NW CTY TO 10 SSW VLD TO 40 WNW AYS TO 35 WSW VDI TO 30 SW
AGS.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 0030
..THORNTON..01/09/24
ATTN...WFO...BMX...TAE...JAX...FFC...
STATUS REPORT FOR WT 4
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
FLC023-029-041-047-067-121-091840-
FL
. FLORIDA COUNTIES INCLUDED ARE
COLUMBIA DIXIE GILCHRIST
HAMILTON LAFAYETTE SUWANNEE
GAC003-005-065-069-101-107-161-173-185-209-279-283-299-309-
091840-
GA
. GEORGIA COUNTIES INCLUDED ARE
ATKINSON BACON CLINCH
COFFEE ECHOLS EMANUEL
JEFF DAVIS LANIER LOWNDES
MONTGOMERY TOOMBS TREUTLEN
WARE WHEELER
Read more
1 year 7 months ago
WW 0004 Status Updates
STATUS REPORT ON WW 4
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 60 WSW CTY
TO 45 NW CTY TO 10 SSW VLD TO 40 WNW AYS TO 35 WSW VDI TO 30 SW
AGS.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 0030
..THORNTON..01/09/24
ATTN...WFO...BMX...TAE...JAX...FFC...
STATUS REPORT FOR WT 4
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
FLC023-029-041-047-067-121-091840-
FL
. FLORIDA COUNTIES INCLUDED ARE
COLUMBIA DIXIE GILCHRIST
HAMILTON LAFAYETTE SUWANNEE
GAC003-005-065-069-101-107-161-173-185-209-279-283-299-309-
091840-
GA
. GEORGIA COUNTIES INCLUDED ARE
ATKINSON BACON CLINCH
COFFEE ECHOLS EMANUEL
JEFF DAVIS LANIER LOWNDES
MONTGOMERY TOOMBS TREUTLEN
WARE WHEELER
Read more
1 year 7 months ago
WW 0004 Status Updates
STATUS REPORT ON WW 4
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 60 WSW CTY
TO 45 NW CTY TO 10 SSW VLD TO 40 WNW AYS TO 35 WSW VDI TO 30 SW
AGS.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 0030
..THORNTON..01/09/24
ATTN...WFO...BMX...TAE...JAX...FFC...
STATUS REPORT FOR WT 4
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
FLC023-029-041-047-067-121-091840-
FL
. FLORIDA COUNTIES INCLUDED ARE
COLUMBIA DIXIE GILCHRIST
HAMILTON LAFAYETTE SUWANNEE
GAC003-005-065-069-101-107-161-173-185-209-279-283-299-309-
091840-
GA
. GEORGIA COUNTIES INCLUDED ARE
ATKINSON BACON CLINCH
COFFEE ECHOLS EMANUEL
JEFF DAVIS LANIER LOWNDES
MONTGOMERY TOOMBS TREUTLEN
WARE WHEELER
Read more
1 year 7 months ago
WW 0004 Status Updates
STATUS REPORT ON WW 4
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 60 WSW CTY
TO 45 NW CTY TO 10 SSW VLD TO 40 WNW AYS TO 35 WSW VDI TO 30 SW
AGS.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 0030
..THORNTON..01/09/24
ATTN...WFO...BMX...TAE...JAX...FFC...
STATUS REPORT FOR WT 4
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
FLC023-029-041-047-067-121-091840-
FL
. FLORIDA COUNTIES INCLUDED ARE
COLUMBIA DIXIE GILCHRIST
HAMILTON LAFAYETTE SUWANNEE
GAC003-005-065-069-101-107-161-173-185-209-279-283-299-309-
091840-
GA
. GEORGIA COUNTIES INCLUDED ARE
ATKINSON BACON CLINCH
COFFEE ECHOLS EMANUEL
JEFF DAVIS LANIER LOWNDES
MONTGOMERY TOOMBS TREUTLEN
WARE WHEELER
Read more
1 year 7 months ago
WW 4 TORNADO AL FL GA CW 091205Z - 091900Z
URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 4
NWS Storm Prediction Center Norman OK
705 AM EST Tue Jan 9 2024
The NWS Storm Prediction Center has issued a
* Tornado Watch for portions of
Southeastern Alabama
Northern Florida and central/eastern Florida Panhandle
Southern Georgia
Coastal Waters
* Effective this Tuesday morning and afternoon from 705 AM until
200 PM EST.
* Primary threats include...
A few tornadoes likely with a couple intense tornadoes possible
Scattered damaging winds and isolated significant gusts to 75
mph possible
Isolated large hail events to 1 inch in diameter possible
SUMMARY...A severe squall line, with embedded potentially tornadic
circulations and damaging nontornadic winds, will sweep eastward
across the watch area through the remainder of the morning, into
early afternoon. A few supercells also are possible ahead of the
line with a threat for tornadoes (some strong), severe gusts and
isolated hail.
The tornado watch area is approximately along and 85 statute miles
north and south of a line from 10 miles south southwest of Crestview
FL to 55 miles east northeast of Valdosta GA. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU4).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A Tornado Watch means conditions are favorable for
tornadoes and severe thunderstorms in and close to the watch
area. Persons in these areas should be on the lookout for
threatening weather conditions and listen for later statements
and possible warnings.
&&
OTHER WATCH INFORMATION...CONTINUE...WW 3...
AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 1 inch. Extreme turbulence and surface wind
gusts to 65 knots. A few cumulonimbi with maximum tops to 450. Mean
storm motion vector 23035.
...Edwards
Read more
1 year 7 months ago
SPC 1730Z Day 2 Outlook
Day 2 Convective Outlook
NWS Storm Prediction Center Norman OK
1056 AM CST Tue Jan 09 2024
Valid 101200Z - 111200Z
...NO SEVERE THUNDERSTORM AREAS FORECAST...
...SUMMARY...
Severe thunderstorms are not expected on Wednesday.
...Synopsis...
A strong mid/upper-level trough and related deep cyclone are
forecast to move quickly into eastern Canada and the western
Atlantic early in the forecast period. Weak convection may be
ongoing at the start of the period near Cape Cod and the coast of
Maine, but instability appears too weak to support lightning
potential before convection moves offshore.
Otherwise, a large upper trough will remain over most of the CONUS,
with multiple embedded shortwaves moving through broad cyclonic
flow. One embedded shortwave may produce weak convection capable of
sporadic lightning flashes across parts of the Great Basin during
the afternoon/evening. Cold temperatures aloft (colder than -30C at
500 mb) may support shallow convection capable of occasional
lightning flashes near the Pacific Northwest coast.
Elsewhere across the CONUS, generally dry/stable conditions should
limit thunderstorm potential on Wednesday.
..Dean.. 01/09/2024
Read more
1 year 7 months ago
SPC 1730Z Day 2 Outlook
Day 2 Convective Outlook
NWS Storm Prediction Center Norman OK
1056 AM CST Tue Jan 09 2024
Valid 101200Z - 111200Z
...NO SEVERE THUNDERSTORM AREAS FORECAST...
...SUMMARY...
Severe thunderstorms are not expected on Wednesday.
...Synopsis...
A strong mid/upper-level trough and related deep cyclone are
forecast to move quickly into eastern Canada and the western
Atlantic early in the forecast period. Weak convection may be
ongoing at the start of the period near Cape Cod and the coast of
Maine, but instability appears too weak to support lightning
potential before convection moves offshore.
Otherwise, a large upper trough will remain over most of the CONUS,
with multiple embedded shortwaves moving through broad cyclonic
flow. One embedded shortwave may produce weak convection capable of
sporadic lightning flashes across parts of the Great Basin during
the afternoon/evening. Cold temperatures aloft (colder than -30C at
500 mb) may support shallow convection capable of occasional
lightning flashes near the Pacific Northwest coast.
Elsewhere across the CONUS, generally dry/stable conditions should
limit thunderstorm potential on Wednesday.
..Dean.. 01/09/2024
Read more
1 year 7 months ago
SPC 1730Z Day 2 Outlook
Day 2 Convective Outlook
NWS Storm Prediction Center Norman OK
1056 AM CST Tue Jan 09 2024
Valid 101200Z - 111200Z
...NO SEVERE THUNDERSTORM AREAS FORECAST...
...SUMMARY...
Severe thunderstorms are not expected on Wednesday.
...Synopsis...
A strong mid/upper-level trough and related deep cyclone are
forecast to move quickly into eastern Canada and the western
Atlantic early in the forecast period. Weak convection may be
ongoing at the start of the period near Cape Cod and the coast of
Maine, but instability appears too weak to support lightning
potential before convection moves offshore.
Otherwise, a large upper trough will remain over most of the CONUS,
with multiple embedded shortwaves moving through broad cyclonic
flow. One embedded shortwave may produce weak convection capable of
sporadic lightning flashes across parts of the Great Basin during
the afternoon/evening. Cold temperatures aloft (colder than -30C at
500 mb) may support shallow convection capable of occasional
lightning flashes near the Pacific Northwest coast.
Elsewhere across the CONUS, generally dry/stable conditions should
limit thunderstorm potential on Wednesday.
..Dean.. 01/09/2024
Read more
1 year 7 months ago
SPC 1730Z Day 2 Outlook
Day 2 Convective Outlook
NWS Storm Prediction Center Norman OK
1056 AM CST Tue Jan 09 2024
Valid 101200Z - 111200Z
...NO SEVERE THUNDERSTORM AREAS FORECAST...
...SUMMARY...
Severe thunderstorms are not expected on Wednesday.
...Synopsis...
A strong mid/upper-level trough and related deep cyclone are
forecast to move quickly into eastern Canada and the western
Atlantic early in the forecast period. Weak convection may be
ongoing at the start of the period near Cape Cod and the coast of
Maine, but instability appears too weak to support lightning
potential before convection moves offshore.
Otherwise, a large upper trough will remain over most of the CONUS,
with multiple embedded shortwaves moving through broad cyclonic
flow. One embedded shortwave may produce weak convection capable of
sporadic lightning flashes across parts of the Great Basin during
the afternoon/evening. Cold temperatures aloft (colder than -30C at
500 mb) may support shallow convection capable of occasional
lightning flashes near the Pacific Northwest coast.
Elsewhere across the CONUS, generally dry/stable conditions should
limit thunderstorm potential on Wednesday.
..Dean.. 01/09/2024
Read more
1 year 7 months ago
SPC 1730Z Day 2 Outlook
Day 2 Convective Outlook
NWS Storm Prediction Center Norman OK
1056 AM CST Tue Jan 09 2024
Valid 101200Z - 111200Z
...NO SEVERE THUNDERSTORM AREAS FORECAST...
...SUMMARY...
Severe thunderstorms are not expected on Wednesday.
...Synopsis...
A strong mid/upper-level trough and related deep cyclone are
forecast to move quickly into eastern Canada and the western
Atlantic early in the forecast period. Weak convection may be
ongoing at the start of the period near Cape Cod and the coast of
Maine, but instability appears too weak to support lightning
potential before convection moves offshore.
Otherwise, a large upper trough will remain over most of the CONUS,
with multiple embedded shortwaves moving through broad cyclonic
flow. One embedded shortwave may produce weak convection capable of
sporadic lightning flashes across parts of the Great Basin during
the afternoon/evening. Cold temperatures aloft (colder than -30C at
500 mb) may support shallow convection capable of occasional
lightning flashes near the Pacific Northwest coast.
Elsewhere across the CONUS, generally dry/stable conditions should
limit thunderstorm potential on Wednesday.
..Dean.. 01/09/2024
Read more
1 year 7 months ago
SPC 1730Z Day 2 Outlook
Day 2 Convective Outlook
NWS Storm Prediction Center Norman OK
1056 AM CST Tue Jan 09 2024
Valid 101200Z - 111200Z
...NO SEVERE THUNDERSTORM AREAS FORECAST...
...SUMMARY...
Severe thunderstorms are not expected on Wednesday.
...Synopsis...
A strong mid/upper-level trough and related deep cyclone are
forecast to move quickly into eastern Canada and the western
Atlantic early in the forecast period. Weak convection may be
ongoing at the start of the period near Cape Cod and the coast of
Maine, but instability appears too weak to support lightning
potential before convection moves offshore.
Otherwise, a large upper trough will remain over most of the CONUS,
with multiple embedded shortwaves moving through broad cyclonic
flow. One embedded shortwave may produce weak convection capable of
sporadic lightning flashes across parts of the Great Basin during
the afternoon/evening. Cold temperatures aloft (colder than -30C at
500 mb) may support shallow convection capable of occasional
lightning flashes near the Pacific Northwest coast.
Elsewhere across the CONUS, generally dry/stable conditions should
limit thunderstorm potential on Wednesday.
..Dean.. 01/09/2024
Read more
1 year 7 months ago
SPC 1730Z Day 2 Outlook
Day 2 Convective Outlook
NWS Storm Prediction Center Norman OK
1056 AM CST Tue Jan 09 2024
Valid 101200Z - 111200Z
...NO SEVERE THUNDERSTORM AREAS FORECAST...
...SUMMARY...
Severe thunderstorms are not expected on Wednesday.
...Synopsis...
A strong mid/upper-level trough and related deep cyclone are
forecast to move quickly into eastern Canada and the western
Atlantic early in the forecast period. Weak convection may be
ongoing at the start of the period near Cape Cod and the coast of
Maine, but instability appears too weak to support lightning
potential before convection moves offshore.
Otherwise, a large upper trough will remain over most of the CONUS,
with multiple embedded shortwaves moving through broad cyclonic
flow. One embedded shortwave may produce weak convection capable of
sporadic lightning flashes across parts of the Great Basin during
the afternoon/evening. Cold temperatures aloft (colder than -30C at
500 mb) may support shallow convection capable of occasional
lightning flashes near the Pacific Northwest coast.
Elsewhere across the CONUS, generally dry/stable conditions should
limit thunderstorm potential on Wednesday.
..Dean.. 01/09/2024
Read more
1 year 7 months ago
SPC 1730Z Day 2 Outlook
Day 2 Convective Outlook
NWS Storm Prediction Center Norman OK
1056 AM CST Tue Jan 09 2024
Valid 101200Z - 111200Z
...NO SEVERE THUNDERSTORM AREAS FORECAST...
...SUMMARY...
Severe thunderstorms are not expected on Wednesday.
...Synopsis...
A strong mid/upper-level trough and related deep cyclone are
forecast to move quickly into eastern Canada and the western
Atlantic early in the forecast period. Weak convection may be
ongoing at the start of the period near Cape Cod and the coast of
Maine, but instability appears too weak to support lightning
potential before convection moves offshore.
Otherwise, a large upper trough will remain over most of the CONUS,
with multiple embedded shortwaves moving through broad cyclonic
flow. One embedded shortwave may produce weak convection capable of
sporadic lightning flashes across parts of the Great Basin during
the afternoon/evening. Cold temperatures aloft (colder than -30C at
500 mb) may support shallow convection capable of occasional
lightning flashes near the Pacific Northwest coast.
Elsewhere across the CONUS, generally dry/stable conditions should
limit thunderstorm potential on Wednesday.
..Dean.. 01/09/2024
Read more
1 year 7 months ago
SPC 1730Z Day 2 Outlook
Day 2 Convective Outlook
NWS Storm Prediction Center Norman OK
1056 AM CST Tue Jan 09 2024
Valid 101200Z - 111200Z
...NO SEVERE THUNDERSTORM AREAS FORECAST...
...SUMMARY...
Severe thunderstorms are not expected on Wednesday.
...Synopsis...
A strong mid/upper-level trough and related deep cyclone are
forecast to move quickly into eastern Canada and the western
Atlantic early in the forecast period. Weak convection may be
ongoing at the start of the period near Cape Cod and the coast of
Maine, but instability appears too weak to support lightning
potential before convection moves offshore.
Otherwise, a large upper trough will remain over most of the CONUS,
with multiple embedded shortwaves moving through broad cyclonic
flow. One embedded shortwave may produce weak convection capable of
sporadic lightning flashes across parts of the Great Basin during
the afternoon/evening. Cold temperatures aloft (colder than -30C at
500 mb) may support shallow convection capable of occasional
lightning flashes near the Pacific Northwest coast.
Elsewhere across the CONUS, generally dry/stable conditions should
limit thunderstorm potential on Wednesday.
..Dean.. 01/09/2024
Read more
1 year 7 months ago
SPC 1730Z Day 2 Outlook
Day 2 Convective Outlook
NWS Storm Prediction Center Norman OK
1056 AM CST Tue Jan 09 2024
Valid 101200Z - 111200Z
...NO SEVERE THUNDERSTORM AREAS FORECAST...
...SUMMARY...
Severe thunderstorms are not expected on Wednesday.
...Synopsis...
A strong mid/upper-level trough and related deep cyclone are
forecast to move quickly into eastern Canada and the western
Atlantic early in the forecast period. Weak convection may be
ongoing at the start of the period near Cape Cod and the coast of
Maine, but instability appears too weak to support lightning
potential before convection moves offshore.
Otherwise, a large upper trough will remain over most of the CONUS,
with multiple embedded shortwaves moving through broad cyclonic
flow. One embedded shortwave may produce weak convection capable of
sporadic lightning flashes across parts of the Great Basin during
the afternoon/evening. Cold temperatures aloft (colder than -30C at
500 mb) may support shallow convection capable of occasional
lightning flashes near the Pacific Northwest coast.
Elsewhere across the CONUS, generally dry/stable conditions should
limit thunderstorm potential on Wednesday.
..Dean.. 01/09/2024
Read more
Checked
5 years 10 months ago
Storm Prediction Center
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