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Scattered severe thunderstorms remain possible through the overnight hours, from far east Texas into central/southern Mississippi.
← back to overviewSPC AC 250040
Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0640 PM CST Mon Nov 24 2025
Valid 250100Z - 251200Z
THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FROM FAR EAST TEXAS INTO THE LOWER MISSISSIPPI RIVER VALLEY
### SUMMARY
Scattered severe thunderstorms remain possible through the overnight hours, from far east Texas into central/southern Mississippi.
Synopsis
As of 00:30 UTC, a broken line of thunderstorms continues from far northeast LA southward towards the Houston metro area. While most cells have remained sub-severe thus far, MRMS VIL and GOES IR cloud-top temperature trends show a slight uptick in intensity over the past hour. Additionally, a slight uptick in 0-2 km winds is noted in warm-sector VWP observations, which is bolstering SRH and improving the overall convective environment immediately downstream of ongoing storms. This environment, characterized by STP values between 1-2, is expected to persist through the overnight hours as an upper wave and attendant (albeit weak) surface low translate eastward towards the MS Valley. Some northward advancement of the surface warm front is anticipated as low-level winds increase to 30-40 knots, which should maintain the potential for strong/severe storms, including the potential for a few tornadoes, east/northeastward into portions of west-central MS by 09-12 UTC. It remains unclear exactly how far northward the surface-based warm sector will expand through early morning, but even modest MLCAPE (around 500 J/kg) may support a tornado threat given 0-1 km SRH on the order of 250 m2/s2. For additional short-term details see MCD #2225.
..Moore.. 11/25/2025
CLICK TO GET WUUS01 PTSDY1 PRODUCT
NOTE: THE NEXT DAY 1 OUTLOOK IS SCHEDULED BY 0600Z
Isolated severe storms are likely across parts of the Southeast/Deep South, mainly from Tuesday morning into early evening. A couple tornadoes are possible in parts of eastern Mississippi and Alabama.
← back to overviewSPC AC 241721
Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1121 AM CST Mon Nov 24 2025
Valid 251200Z - 261200Z
THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS IN PARTS OF AL AND EASTERN MS
### SUMMARY
Isolated severe storms are likely across parts of the Southeast/Deep South, mainly from Tuesday morning into early evening. A couple tornadoes are possible in parts of eastern Mississippi and Alabama.
Synopsis
A leading shortwave impulse over the Lower OH and TN Valleys will dampen as it moves quickly northeast, downstream of an amplifying shortwave trough across the Upper Midwest. Surface cyclogenesis will occur over the Upper MS Valley into the Great Lakes, aiding in sharpening/acceleration of a trailing cold front on Tuesday night in the Southeast.
Deep South
A high shear-low CAPE environment should be present across southern/central MS into western AL, where remnants of early-morning supercells may yield a lingering tornado threat beyond 12Z. Convection should generally weaken into midday, in the wake of the leading shortwave impulse departing the TN Valley. Diurnal destabilization should occur following early-day convection, ahead of the initially slow-moving cold front. With upper 60s surface dew points nosing north from the central Gulf Coast, even modest diabatic heating will sustain moderate buoyancy.
Guidance is consistent with suggesting scattered convection along/ahead of the outflow-modulated cold front during the afternoon, despite otherwise nebulous large-scale ascent. Deep-layer wind fields are expected to be subsiding from strong values early, but likely remaining adequate for semi-discrete supercell structures. Modest mid-level lapse rates and expected mode may curtail greater than isolated severe hail/damaging wind threats. Tornado potential will be dependent on timing of afternoon convective development and the degree of low-level hodograph curvature reduction. But there is sufficient signal to warrant a corridor of level 2-SLGT for the risk of a couple tornadoes from lingering storms in the mid-morning and afternoon to early evening redevelopment. Overall severe threat should become marginal by late evening/overnight, but may persist on a very isolated basis east/southward in GA to the FL Panhandle.
..Grams.. 11/24/2025
CLICK TO GET WUUS02 PTSDY2 PRODUCT
NOTE: THE NEXT DAY 2 OUTLOOK IS SCHEDULED BY 0700Z
Severe storms are not forecast on Wednesday or Wednesday night.
← back to overviewSPC AC 241906
Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0106 PM CST Mon Nov 24 2025
Valid 261200Z - 271200Z
NO SEVERE THUNDERSTORM AREAS FORECAST
### SUMMARY
Severe storms are not forecast on Wednesday or Wednesday night.
Synopsis
An amplified shortwave trough will further deepen as it swings across the Great Lakes into the Saint Lawrence Valley. Associated deep surface cyclone will track across the central Great Lakes to the Ottawa Valley. Downstream frontal occlusion should arc to a weaker low moving across New England, with the leading cold front trailing southward and exiting much of the Atlantic Seaboard by Wednesday night.
East
Surface-based thunderstorm coverage along/ahead of the aforementioned front is expected to remain sparse on Wednesday, limiting unconditional severe probabilities. Instability should be weak north of south GA/north FL, where strong deep-layer shear will be prevalent ahead of the aforementioned front.
Rather low-topped convection may precede the most pronounced mid-level DCVA in the western/upstate NY vicinity on Wednesday afternoon. While it may be insufficient to produce lightning amid flimsy buoyancy, it could be accompanied by strong gusts along a secondary surface frontal surge with a strengthening pressure gradient in its wake.
..Grams.. 11/24/2025
CLICK TO GET WUUS03 PTSDY3 PRODUCT
NOTE: THE NEXT DAY 3 OUTLOOK IS SCHEDULED BY 0830Z
You are looking at an outlook that is part of the medium range forecast (the outlook for days 4-8). The most important thing to note is that lack of a risk does not mean zero risk. Generally speaking, confidence has to be pretty high for the Storm Prediction Center to have an outlook area this far into the future.
When no specific risk areas are shown, you might see one of these phrases:
If you bookmark this page, it will continue to update with each new outlook that is issued.
| Day 4 | Thursday, November 27 | potential too low |
| Day 5 | Friday, November 28 | potential too low |
| Day 6 | Saturday, November 29 | predictability too low |
| Day 7 | Sunday, November 30 | predictability too low |
| Day 8 | Monday, December 1 | predictability too low |
← back to overviewZCZC SPCSWOD48 ALL ACUS48 KWNS 240905 SPC AC 240905
Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0305 AM CST Mon Nov 24 2025
Valid 271200Z - 021200Z
DISCUSSION
Thunderstorm activity should be minimal Thursday and Friday as high pressure ushers in a cool, dry airmass across much of the eastern CONUS. By late Friday night, return flow across Texas may lead to some weak destabilization and thunderstorm chances.
Severe thunderstorms are possible Day6/Saturday to Day8/Monday across the southern Plains as the warm sector expands across Texas and mid-level trough amplifies across the western CONUS. Evolution of this mid-level trough remains uncertain. The GFS, AIGFS, and EC-AIFS all suggest a slower evolution of the trough with a deeper closed low across the Southwest. However, the operational ECMWF is more progressive and would actually suggest an end to severe weather potential by Monday with offshore flow across the Gulf Coast once again. At this time, the consensus pattern for a slower, more amplified trough seems most likely, especially given that previous 12Z and 00Z ECMWF model runs preferred this solution as well.
Severe thunderstorms will be possible with this preferred pattern, but uncertainty in the evolution of the mid-level trough and timing preclude severe weather probabilities at this time.
..Bentley.. 11/24/2025
CLICK TO GET WUUS48 PTSD48 PRODUCT
You are looking at an outlook that is part of the medium range forecast (the outlook for days 4-8). The most important thing to note is that lack of a risk does not mean zero risk. Generally speaking, confidence has to be pretty high for the Storm Prediction Center to have an outlook area this far into the future.
When no specific risk areas are shown, you might see one of these phrases:
If you bookmark this page, it will continue to update with each new outlook that is issued.
| Day 4 | Thursday, November 27 | potential too low |
| Day 5 | Friday, November 28 | potential too low |
| Day 6 | Saturday, November 29 | predictability too low |
| Day 7 | Sunday, November 30 | predictability too low |
| Day 8 | Monday, December 1 | predictability too low |
← back to overviewZCZC SPCSWOD48 ALL ACUS48 KWNS 240905 SPC AC 240905
Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0305 AM CST Mon Nov 24 2025
Valid 271200Z - 021200Z
DISCUSSION
Thunderstorm activity should be minimal Thursday and Friday as high pressure ushers in a cool, dry airmass across much of the eastern CONUS. By late Friday night, return flow across Texas may lead to some weak destabilization and thunderstorm chances.
Severe thunderstorms are possible Day6/Saturday to Day8/Monday across the southern Plains as the warm sector expands across Texas and mid-level trough amplifies across the western CONUS. Evolution of this mid-level trough remains uncertain. The GFS, AIGFS, and EC-AIFS all suggest a slower evolution of the trough with a deeper closed low across the Southwest. However, the operational ECMWF is more progressive and would actually suggest an end to severe weather potential by Monday with offshore flow across the Gulf Coast once again. At this time, the consensus pattern for a slower, more amplified trough seems most likely, especially given that previous 12Z and 00Z ECMWF model runs preferred this solution as well.
Severe thunderstorms will be possible with this preferred pattern, but uncertainty in the evolution of the mid-level trough and timing preclude severe weather probabilities at this time.
..Bentley.. 11/24/2025
CLICK TO GET WUUS48 PTSD48 PRODUCT
You are looking at an outlook that is part of the medium range forecast (the outlook for days 4-8). The most important thing to note is that lack of a risk does not mean zero risk. Generally speaking, confidence has to be pretty high for the Storm Prediction Center to have an outlook area this far into the future.
When no specific risk areas are shown, you might see one of these phrases:
If you bookmark this page, it will continue to update with each new outlook that is issued.
| Day 4 | Thursday, November 27 | potential too low |
| Day 5 | Friday, November 28 | potential too low |
| Day 6 | Saturday, November 29 | predictability too low |
| Day 7 | Sunday, November 30 | predictability too low |
| Day 8 | Monday, December 1 | predictability too low |
← back to overviewZCZC SPCSWOD48 ALL ACUS48 KWNS 240905 SPC AC 240905
Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0305 AM CST Mon Nov 24 2025
Valid 271200Z - 021200Z
DISCUSSION
Thunderstorm activity should be minimal Thursday and Friday as high pressure ushers in a cool, dry airmass across much of the eastern CONUS. By late Friday night, return flow across Texas may lead to some weak destabilization and thunderstorm chances.
Severe thunderstorms are possible Day6/Saturday to Day8/Monday across the southern Plains as the warm sector expands across Texas and mid-level trough amplifies across the western CONUS. Evolution of this mid-level trough remains uncertain. The GFS, AIGFS, and EC-AIFS all suggest a slower evolution of the trough with a deeper closed low across the Southwest. However, the operational ECMWF is more progressive and would actually suggest an end to severe weather potential by Monday with offshore flow across the Gulf Coast once again. At this time, the consensus pattern for a slower, more amplified trough seems most likely, especially given that previous 12Z and 00Z ECMWF model runs preferred this solution as well.
Severe thunderstorms will be possible with this preferred pattern, but uncertainty in the evolution of the mid-level trough and timing preclude severe weather probabilities at this time.
..Bentley.. 11/24/2025
CLICK TO GET WUUS48 PTSD48 PRODUCT
You are looking at an outlook that is part of the medium range forecast (the outlook for days 4-8). The most important thing to note is that lack of a risk does not mean zero risk. Generally speaking, confidence has to be pretty high for the Storm Prediction Center to have an outlook area this far into the future.
When no specific risk areas are shown, you might see one of these phrases:
If you bookmark this page, it will continue to update with each new outlook that is issued.
| Day 4 | Thursday, November 27 | potential too low |
| Day 5 | Friday, November 28 | potential too low |
| Day 6 | Saturday, November 29 | predictability too low |
| Day 7 | Sunday, November 30 | predictability too low |
| Day 8 | Monday, December 1 | predictability too low |
← back to overviewZCZC SPCSWOD48 ALL ACUS48 KWNS 240905 SPC AC 240905
Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0305 AM CST Mon Nov 24 2025
Valid 271200Z - 021200Z
DISCUSSION
Thunderstorm activity should be minimal Thursday and Friday as high pressure ushers in a cool, dry airmass across much of the eastern CONUS. By late Friday night, return flow across Texas may lead to some weak destabilization and thunderstorm chances.
Severe thunderstorms are possible Day6/Saturday to Day8/Monday across the southern Plains as the warm sector expands across Texas and mid-level trough amplifies across the western CONUS. Evolution of this mid-level trough remains uncertain. The GFS, AIGFS, and EC-AIFS all suggest a slower evolution of the trough with a deeper closed low across the Southwest. However, the operational ECMWF is more progressive and would actually suggest an end to severe weather potential by Monday with offshore flow across the Gulf Coast once again. At this time, the consensus pattern for a slower, more amplified trough seems most likely, especially given that previous 12Z and 00Z ECMWF model runs preferred this solution as well.
Severe thunderstorms will be possible with this preferred pattern, but uncertainty in the evolution of the mid-level trough and timing preclude severe weather probabilities at this time.
..Bentley.. 11/24/2025
CLICK TO GET WUUS48 PTSD48 PRODUCT
You are looking at an outlook that is part of the medium range forecast (the outlook for days 4-8). The most important thing to note is that lack of a risk does not mean zero risk. Generally speaking, confidence has to be pretty high for the Storm Prediction Center to have an outlook area this far into the future.
When no specific risk areas are shown, you might see one of these phrases:
If you bookmark this page, it will continue to update with each new outlook that is issued.
| Day 4 | Thursday, November 27 | potential too low |
| Day 5 | Friday, November 28 | potential too low |
| Day 6 | Saturday, November 29 | predictability too low |
| Day 7 | Sunday, November 30 | predictability too low |
| Day 8 | Monday, December 1 | predictability too low |
← back to overviewZCZC SPCSWOD48 ALL ACUS48 KWNS 240905 SPC AC 240905
Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0305 AM CST Mon Nov 24 2025
Valid 271200Z - 021200Z
DISCUSSION
Thunderstorm activity should be minimal Thursday and Friday as high pressure ushers in a cool, dry airmass across much of the eastern CONUS. By late Friday night, return flow across Texas may lead to some weak destabilization and thunderstorm chances.
Severe thunderstorms are possible Day6/Saturday to Day8/Monday across the southern Plains as the warm sector expands across Texas and mid-level trough amplifies across the western CONUS. Evolution of this mid-level trough remains uncertain. The GFS, AIGFS, and EC-AIFS all suggest a slower evolution of the trough with a deeper closed low across the Southwest. However, the operational ECMWF is more progressive and would actually suggest an end to severe weather potential by Monday with offshore flow across the Gulf Coast once again. At this time, the consensus pattern for a slower, more amplified trough seems most likely, especially given that previous 12Z and 00Z ECMWF model runs preferred this solution as well.
Severe thunderstorms will be possible with this preferred pattern, but uncertainty in the evolution of the mid-level trough and timing preclude severe weather probabilities at this time.
..Bentley.. 11/24/2025
CLICK TO GET WUUS48 PTSD48 PRODUCT
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