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Severe thunderstorms are not expected the remainder of tonight into early Friday.
← back to overviewSPC AC 130037
Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0637 PM CST Thu Nov 12 2026
Valid 130100Z - 131200Z
NO SEVERE THUNDERSTORM AREAS FORECAST
### SUMMARY
Severe thunderstorms are not expected the remainder of tonight into early Friday.
01z Update
Severe probabilities have been removed from the Mid-Atlantic as earlier strong/severe convection has weakened and moved offshore. Severe thunderstorms are not expected the remainder of tonight.
Isolated thunderstorms may occur late tonight/early Friday morning near the southern CA coast as an upper shortwave trough shifts east across the area. Generally modest low to mid-level flow and weak instability will preclude severe thunderstorm potential with this activity.
..Leitman.. 11/13/2026
CLICK TO GET WUUS01 PTSDY1 PRODUCT
NOTE: THE NEXT DAY 1 OUTLOOK IS SCHEDULED BY 0600Z
Severe thunderstorms are not forecast across the U.S. Friday and Friday night.
← back to overviewSPC AC 121707
Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1107 AM CST Thu Nov 12 2026
Valid 131200Z - 141200Z
NO SEVERE THUNDERSTORM AREAS FORECAST
### SUMMARY
Severe thunderstorms are not forecast across the U.S. Friday and Friday night.
Synopsis
An upper-level wave currently off the CA coast will progress inland and into the Southwest through the day Friday. A combination of cooling mid-level temperatures and broad ascent ahead of the wave will promote widespread showers and thunderstorms across southern AZ, NM, and into western TX through the day. Latest CAM ensemble and calibrated guidance suggests some wind threat could materialize across southern AZ/NM through the afternoon, and possibly into far West TX during the evening hours. However, these solutions may be overly influenced by recent RRFS solutions, which show more substantial moistening and ascent (and consequently better buoyancy) ahead of the upper wave compared to other guidance. Omitting these solutions, the general consensus is that buoyancy and shear through the CAPE-bearing layer will remain too limited for robust/organized convection.
Elsewhere, occasional lightning flashes appear possible along the northern CA and OR coasts as a secondary upper wave and attendant cool mid-level temperatures overspread the Pacific Northwest. This wave will spread east overnight and may support sporadic lightning flashes across the Great Basin, though lightning coverage will likely remain below 10%.
..Moore.. 11/12/2026
CLICK TO GET WUUS02 PTSDY2 PRODUCT
NOTE: THE NEXT DAY 2 OUTLOOK IS SCHEDULED BY 0700Z
No severe thunderstorms are forecast across the U.S. Saturday and Saturday night.
← back to overviewSPC AC 121918
Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0118 PM CST Thu Nov 12 2026
Valid 141200Z - 151200Z
NO SEVERE THUNDERSTORM AREAS FORECAST
### SUMMARY
No severe thunderstorms are forecast across the U.S. Saturday and Saturday night.
Synopsis
The upper wave currently approaching the Pacific Northwest is forecast to de-amplify as it migrates east/southeast across the Four Corners and into the southern High Plains through Saturday night. The combination of very limited moisture return ahead of the wave with some degree of mid-level cooling will likely support isolated to scattered thunderstorms from the Four Corners into western TX/OK. Most medium/long-range solutions depict marginal buoyancy profiles that will support weak and shallow convection, but increased spread among guidance regarding the track of the upper low warrants a slight expansion of thunder probabilities. Given strong flow aloft attendant to the upper wave, some severe threat could materialize across the southern High Plains late afternoon/early evening if sufficient mid-level cooling can occur; however, this will be contingent of achieving mid-level temperatures depicted by recent RRFS solutions (which appear to be outliers at this time).
Elsewhere, more sporadic lightning flashes will be possible along the northern CA/OR coast within a persistent southwest flow regime, and along the lower TX Gulf coast within a modest warm advection regime.
..Moore.. 11/12/2026
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 | Sunday, November 15 | predictability too low |
| Day 5 | Monday, November 16 | potential too low |
| Day 6 | Tuesday, November 17 | predictability too low |
| Day 7 | Wednesday, November 18 | predictability too low |
| Day 8 | Thursday, November 19 | predictability too low |
← back to overviewZCZC SPCSWOD48 ALL ACUS48 KWNS 120800 SPC AC 120800
Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0200 AM CST Thu Nov 12 2026
Valid 151200Z - 201200Z
DISCUSSION
A mid-level shortwave trough is forecast to move across the southern Plains on Sunday/Day 4. Ahead of this feature, a moist and unstable airmass will likely be in place across parts of south and central Texas eastward to the lower to middle Texas Coast. Thunderstorms that develop within areas of stronger instability, could have potential for isolated severe wind gusts. The trough is forecast to move eastward across the Gulf and through the Southeast from Monday into Tuesday. On those days, thunderstorms are expected to remain mostly offshore from the central Gulf Coast.
Further west on Tuesday/Day 6, an upper-level trough is forecast to move eastward into the Desert Southwest. Ahead of this trough, thunderstorms will be possible across parts of southern California and Arizona during the day, and in the southern Rockies Tuesday night. Uncertainty increases on Wednesday and Thursday, but it appears the trough in the Desert Southwest could move into the Great Plains. If this were to occur, thunderstorms would be possible in parts of the southern Plains on Thursday as the trough passes.
In spite of the chances for storms across parts of the southern U.S. during the Day 4 to 8 period, predictability concerning severe potential is low at this time.
..Broyles.. 11/12/2026
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 | Sunday, November 15 | predictability too low |
| Day 5 | Monday, November 16 | potential too low |
| Day 6 | Tuesday, November 17 | predictability too low |
| Day 7 | Wednesday, November 18 | predictability too low |
| Day 8 | Thursday, November 19 | predictability too low |
← back to overviewZCZC SPCSWOD48 ALL ACUS48 KWNS 120800 SPC AC 120800
Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0200 AM CST Thu Nov 12 2026
Valid 151200Z - 201200Z
DISCUSSION
A mid-level shortwave trough is forecast to move across the southern Plains on Sunday/Day 4. Ahead of this feature, a moist and unstable airmass will likely be in place across parts of south and central Texas eastward to the lower to middle Texas Coast. Thunderstorms that develop within areas of stronger instability, could have potential for isolated severe wind gusts. The trough is forecast to move eastward across the Gulf and through the Southeast from Monday into Tuesday. On those days, thunderstorms are expected to remain mostly offshore from the central Gulf Coast.
Further west on Tuesday/Day 6, an upper-level trough is forecast to move eastward into the Desert Southwest. Ahead of this trough, thunderstorms will be possible across parts of southern California and Arizona during the day, and in the southern Rockies Tuesday night. Uncertainty increases on Wednesday and Thursday, but it appears the trough in the Desert Southwest could move into the Great Plains. If this were to occur, thunderstorms would be possible in parts of the southern Plains on Thursday as the trough passes.
In spite of the chances for storms across parts of the southern U.S. during the Day 4 to 8 period, predictability concerning severe potential is low at this time.
..Broyles.. 11/12/2026
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 | Sunday, November 15 | predictability too low |
| Day 5 | Monday, November 16 | potential too low |
| Day 6 | Tuesday, November 17 | predictability too low |
| Day 7 | Wednesday, November 18 | predictability too low |
| Day 8 | Thursday, November 19 | predictability too low |
← back to overviewZCZC SPCSWOD48 ALL ACUS48 KWNS 120800 SPC AC 120800
Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0200 AM CST Thu Nov 12 2026
Valid 151200Z - 201200Z
DISCUSSION
A mid-level shortwave trough is forecast to move across the southern Plains on Sunday/Day 4. Ahead of this feature, a moist and unstable airmass will likely be in place across parts of south and central Texas eastward to the lower to middle Texas Coast. Thunderstorms that develop within areas of stronger instability, could have potential for isolated severe wind gusts. The trough is forecast to move eastward across the Gulf and through the Southeast from Monday into Tuesday. On those days, thunderstorms are expected to remain mostly offshore from the central Gulf Coast.
Further west on Tuesday/Day 6, an upper-level trough is forecast to move eastward into the Desert Southwest. Ahead of this trough, thunderstorms will be possible across parts of southern California and Arizona during the day, and in the southern Rockies Tuesday night. Uncertainty increases on Wednesday and Thursday, but it appears the trough in the Desert Southwest could move into the Great Plains. If this were to occur, thunderstorms would be possible in parts of the southern Plains on Thursday as the trough passes.
In spite of the chances for storms across parts of the southern U.S. during the Day 4 to 8 period, predictability concerning severe potential is low at this time.
..Broyles.. 11/12/2026
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 | Sunday, November 15 | predictability too low |
| Day 5 | Monday, November 16 | potential too low |
| Day 6 | Tuesday, November 17 | predictability too low |
| Day 7 | Wednesday, November 18 | predictability too low |
| Day 8 | Thursday, November 19 | predictability too low |
← back to overviewZCZC SPCSWOD48 ALL ACUS48 KWNS 120800 SPC AC 120800
Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0200 AM CST Thu Nov 12 2026
Valid 151200Z - 201200Z
DISCUSSION
A mid-level shortwave trough is forecast to move across the southern Plains on Sunday/Day 4. Ahead of this feature, a moist and unstable airmass will likely be in place across parts of south and central Texas eastward to the lower to middle Texas Coast. Thunderstorms that develop within areas of stronger instability, could have potential for isolated severe wind gusts. The trough is forecast to move eastward across the Gulf and through the Southeast from Monday into Tuesday. On those days, thunderstorms are expected to remain mostly offshore from the central Gulf Coast.
Further west on Tuesday/Day 6, an upper-level trough is forecast to move eastward into the Desert Southwest. Ahead of this trough, thunderstorms will be possible across parts of southern California and Arizona during the day, and in the southern Rockies Tuesday night. Uncertainty increases on Wednesday and Thursday, but it appears the trough in the Desert Southwest could move into the Great Plains. If this were to occur, thunderstorms would be possible in parts of the southern Plains on Thursday as the trough passes.
In spite of the chances for storms across parts of the southern U.S. during the Day 4 to 8 period, predictability concerning severe potential is low at this time.
..Broyles.. 11/12/2026
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 | Sunday, November 15 | predictability too low |
| Day 5 | Monday, November 16 | potential too low |
| Day 6 | Tuesday, November 17 | predictability too low |
| Day 7 | Wednesday, November 18 | predictability too low |
| Day 8 | Thursday, November 19 | predictability too low |
← back to overviewZCZC SPCSWOD48 ALL ACUS48 KWNS 120800 SPC AC 120800
Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0200 AM CST Thu Nov 12 2026
Valid 151200Z - 201200Z
DISCUSSION
A mid-level shortwave trough is forecast to move across the southern Plains on Sunday/Day 4. Ahead of this feature, a moist and unstable airmass will likely be in place across parts of south and central Texas eastward to the lower to middle Texas Coast. Thunderstorms that develop within areas of stronger instability, could have potential for isolated severe wind gusts. The trough is forecast to move eastward across the Gulf and through the Southeast from Monday into Tuesday. On those days, thunderstorms are expected to remain mostly offshore from the central Gulf Coast.
Further west on Tuesday/Day 6, an upper-level trough is forecast to move eastward into the Desert Southwest. Ahead of this trough, thunderstorms will be possible across parts of southern California and Arizona during the day, and in the southern Rockies Tuesday night. Uncertainty increases on Wednesday and Thursday, but it appears the trough in the Desert Southwest could move into the Great Plains. If this were to occur, thunderstorms would be possible in parts of the southern Plains on Thursday as the trough passes.
In spite of the chances for storms across parts of the southern U.S. during the Day 4 to 8 period, predictability concerning severe potential is low at this time.
..Broyles.. 11/12/2026
CLICK TO GET WUUS48 PTSD48 PRODUCT
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