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Severe thunderstorms are not expected Tuesday through Tuesday night.
← back to overviewSPC AC 100537
Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1137 PM CST Mon Nov 09 2026
Valid 101200Z - 111200Z
NO SEVERE THUNDERSTORM AREAS FORECAST
### SUMMARY
Severe thunderstorms are not expected Tuesday through Tuesday night.
Synopsis and Discussion
A progressive and amplifying polar branch of westerlies is forecast over the northern CONUS Tuesday and Tuesday night. Within that air stream, a short-wave trough will move through the Northeast, while an upstream system intensifies over the northern Plains and Upper Midwest. Meanwhile, a lower-latitude system over TX is expected to de-amplify while advancing into the lower MS Valley. At the surface, a lee cyclone and attending trough initially over the High Plains will shift east through the northern and central Plains into the Midwest, in tandem with the previously mentioned upper-air system. Increasing southerly flow ahead of that frontal system will support the poleward advance of a partially modified continental-polar air mass from the southern Plains into the Ozarks.
Isolated thunderstorms appear possible along the middle TX Coast Tuesday morning, and from the middle TX Coast into southern LA Tuesday night, within a zone of low-level warm advection and weak instability preceding the midlevel wave. Along the Pacific Northwest Coast, moist onshore flow coupled with a slight steepening of midlevel lapse rates will yield weak instability and the potential for isolated thunderstorms during the afternoon and evening. Over south FL, slight cooling aloft will combine with a moist PBL to yield MUCAPE of around 1000 J/kg by afternoon when isolated thunderstorms appear possible. Elsewhere, isolated lightning strikes appear possible over northern or central TX, northern New England, and perhaps the eastern Dakotas Tuesday afternoon into evening. Lightning duration and coverage in those areas appear too limited to warrant general thunderstorm/10% probability contours.
..Mead.. 11/10/2026
CLICK TO GET WUUS01 PTSDY1 PRODUCT
NOTE: THE NEXT DAY 1 OUTLOOK IS SCHEDULED BY 1300Z
Thunderstorms with isolated severe wind gusts will be possible on Wednesday across parts of the lower Ohio and western Tennessee Valleys.
← back to overviewSPC AC 100649
Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1249 AM CST Tue Nov 10 2026
Valid 111200Z - 121200Z
THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF THE LOWER OHIO AND WESTERN TENNESSEE VALLEYS
### SUMMARY
Thunderstorms with isolated severe wind gusts will be possible on Wednesday across parts of the lower Ohio and western Tennessee Valleys.
Lower Ohio and Western Tennessee Valleys
A mid-level shortwave trough will dig southeastward into the mid Mississippi Valley on Wednesday. Ahead of the trough, moisture advection will take place with surface dewpoints reaching the mid 50s F over parts of the lower Ohio and western Tennessee Valleys by afternoon. Surface heating will result in weak destabilization along and near a moist axis. Near this axis, large-scale ascent associated with the trough will aid convective development in the late afternoon and early evening. Scattered storms appear likely to develop near the confluence of the Mississippi and Ohio Rivers and spread eastward across southern Indiana, western Kentucky and northern Tennessee during the early evening. RRFS forecast soundings across western Kentucky at 00Z have MLCAPE near 500 J/kg with 0-6 km shear around 50 knots. This may be sufficient for a marginal severe threat with a few severe wind gusts possible. However, lapse rates are forecast to be poor which will be a limiting factor, helping to keep any severe threat localized.
..Broyles.. 11/10/2026
CLICK TO GET WUUS02 PTSDY2 PRODUCT
NOTE: THE NEXT DAY 2 OUTLOOK IS SCHEDULED BY 1730Z
No severe thunderstorms are forecast across the U.S. Thursday and Thursday night.
← back to overviewSPC AC 100823
Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0223 AM CST Tue Nov 10 2026
Valid 121200Z - 131200Z
NO SEVERE THUNDERSTORM AREAS FORECAST
### SUMMARY
No severe thunderstorms are forecast across the U.S. Thursday and Thursday night.
DISCUSSION
An upper-level trough will move across the eastern U.S. on Thursday, as a cold front advances eastward through the Atlantic coastal states. During the day, thunderstorms will be possible along and ahead of the front from the Mid-Atlantic southward into far eastern North Carolina. Instability is expected to be too weak for a severe threat. Elsewhere across the continental U.S., no severe threat is forecast Thursday and Thursday night.
..Broyles.. 11/10/2026
CLICK TO GET WUUS03 PTSDY3 PRODUCT
NOTE: THE NEXT DAY 3 OUTLOOK IS SCHEDULED BY 1930Z
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 | Friday, November 13 | potential too low |
| Day 5 | Saturday, November 14 | predictability too low |
| Day 6 | Sunday, November 15 | potential too low |
| Day 7 | Monday, November 16 | predictability too low |
| Day 8 | Tuesday, November 17 | predictability too low |
← back to overviewZCZC SPCSWOD48 ALL ACUS48 KWNS 100945 SPC AC 100945
Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0345 AM CST Tue Nov 10 2026
Valid 131200Z - 181200Z
DISCUSSION
A large-scale upper-level trough will move eastward into the western Atlantic over the weekend, as a mid-level shortwave trough moves into the southern Plains. Ahead of this second system, thunderstorms, potentially associated with an isolated severe threat, will be possible across parts of south and central Texas from Saturday into Sunday. As this trough moves eastward across the Southeast on Monday and Tuesday, a large-scale upper-level ridge will build northeastward across the central U.S. Further west, an upper-level low is forecast to move toward the Desert Southwest on Monday. Isolated severe thunderstorms will be possible ahead of this feature from southern California into Arizona from Monday into Tuesday.
..Broyles.. 11/10/2026
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 | Friday, November 13 | potential too low |
| Day 5 | Saturday, November 14 | predictability too low |
| Day 6 | Sunday, November 15 | potential too low |
| Day 7 | Monday, November 16 | predictability too low |
| Day 8 | Tuesday, November 17 | predictability too low |
← back to overviewZCZC SPCSWOD48 ALL ACUS48 KWNS 100945 SPC AC 100945
Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0345 AM CST Tue Nov 10 2026
Valid 131200Z - 181200Z
DISCUSSION
A large-scale upper-level trough will move eastward into the western Atlantic over the weekend, as a mid-level shortwave trough moves into the southern Plains. Ahead of this second system, thunderstorms, potentially associated with an isolated severe threat, will be possible across parts of south and central Texas from Saturday into Sunday. As this trough moves eastward across the Southeast on Monday and Tuesday, a large-scale upper-level ridge will build northeastward across the central U.S. Further west, an upper-level low is forecast to move toward the Desert Southwest on Monday. Isolated severe thunderstorms will be possible ahead of this feature from southern California into Arizona from Monday into Tuesday.
..Broyles.. 11/10/2026
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 | Friday, November 13 | potential too low |
| Day 5 | Saturday, November 14 | predictability too low |
| Day 6 | Sunday, November 15 | potential too low |
| Day 7 | Monday, November 16 | predictability too low |
| Day 8 | Tuesday, November 17 | predictability too low |
← back to overviewZCZC SPCSWOD48 ALL ACUS48 KWNS 100945 SPC AC 100945
Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0345 AM CST Tue Nov 10 2026
Valid 131200Z - 181200Z
DISCUSSION
A large-scale upper-level trough will move eastward into the western Atlantic over the weekend, as a mid-level shortwave trough moves into the southern Plains. Ahead of this second system, thunderstorms, potentially associated with an isolated severe threat, will be possible across parts of south and central Texas from Saturday into Sunday. As this trough moves eastward across the Southeast on Monday and Tuesday, a large-scale upper-level ridge will build northeastward across the central U.S. Further west, an upper-level low is forecast to move toward the Desert Southwest on Monday. Isolated severe thunderstorms will be possible ahead of this feature from southern California into Arizona from Monday into Tuesday.
..Broyles.. 11/10/2026
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 | Friday, November 13 | potential too low |
| Day 5 | Saturday, November 14 | predictability too low |
| Day 6 | Sunday, November 15 | potential too low |
| Day 7 | Monday, November 16 | predictability too low |
| Day 8 | Tuesday, November 17 | predictability too low |
← back to overviewZCZC SPCSWOD48 ALL ACUS48 KWNS 100945 SPC AC 100945
Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0345 AM CST Tue Nov 10 2026
Valid 131200Z - 181200Z
DISCUSSION
A large-scale upper-level trough will move eastward into the western Atlantic over the weekend, as a mid-level shortwave trough moves into the southern Plains. Ahead of this second system, thunderstorms, potentially associated with an isolated severe threat, will be possible across parts of south and central Texas from Saturday into Sunday. As this trough moves eastward across the Southeast on Monday and Tuesday, a large-scale upper-level ridge will build northeastward across the central U.S. Further west, an upper-level low is forecast to move toward the Desert Southwest on Monday. Isolated severe thunderstorms will be possible ahead of this feature from southern California into Arizona from Monday into Tuesday.
..Broyles.. 11/10/2026
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 | Friday, November 13 | potential too low |
| Day 5 | Saturday, November 14 | predictability too low |
| Day 6 | Sunday, November 15 | potential too low |
| Day 7 | Monday, November 16 | predictability too low |
| Day 8 | Tuesday, November 17 | predictability too low |
← back to overviewZCZC SPCSWOD48 ALL ACUS48 KWNS 100945 SPC AC 100945
Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0345 AM CST Tue Nov 10 2026
Valid 131200Z - 181200Z
DISCUSSION
A large-scale upper-level trough will move eastward into the western Atlantic over the weekend, as a mid-level shortwave trough moves into the southern Plains. Ahead of this second system, thunderstorms, potentially associated with an isolated severe threat, will be possible across parts of south and central Texas from Saturday into Sunday. As this trough moves eastward across the Southeast on Monday and Tuesday, a large-scale upper-level ridge will build northeastward across the central U.S. Further west, an upper-level low is forecast to move toward the Desert Southwest on Monday. Isolated severe thunderstorms will be possible ahead of this feature from southern California into Arizona from Monday into Tuesday.
..Broyles.. 11/10/2026
CLICK TO GET WUUS48 PTSD48 PRODUCT
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