SPC Dec 4, 2024 0100 UTC Day 1 Convective Outlook
SPC 0100Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0623 PM CST Tue Dec 03 2024 Valid 040100Z - 041200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Isolated thunderstorms will be possible through tonight along the lower/middle Texas Coast into central Texas, but severe thunderstorms are not expected. ...Discussion... An upper high will remain situated over the Pacific Northwest, with a large-scale upper trough from Northern Plains/Great Lakes to the East Coast. A low-latitude wave will move across the Gulf of CA, with modest midlevel flow around 40 kt nosing into southwestern TX by 12Z
SPC Dec 3, 2024 1300 UTC Day 1 Convective Outlook
SPC 1300Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0659 AM CST Tue Dec 03 2024 Valid 031300Z - 041200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Isolated thunderstorms are possible along the south Texas Coast, but severe thunderstorms are not expected. ...Discussion including South Texas... A persistent longwave trough over the eastern CONUS will be reinforced by an amplifying and southeastward-digging upper trough over the Canadian Prairies toward the Upper Midwest and Great Lakes through tonight. A continued prevalence of surface high pressure and cool/stable continental trajectories will considerably limit and spatially confine thunderstorm
SPC Dec 3, 2024 0100 UTC Day 1 Convective Outlook
SPC 0100Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0628 PM CST Mon Dec 02 2024 Valid 030100Z - 031200Z ...NO THUNDERSTORM AREAS FORECAST... ...SUMMARY... Threat for lightning is limited tonight. ...01z Update... Notable mid-level short-wave trough is digging southeast across the OH Valley early this evening. Seasonally cool, lower/mid- tropospheric profiles are resulting in steep lapse rates in the lowest 3-4km across much of the Great Lakes. While this is proving favorable for lake convection, lightning within the deeper, most robust updrafts has been limited. While a few strikes can not be ruled
SPC Dec 2, 2024 Day 4-8 Severe Weather Outlook
Day 4-8 Outlook Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0255 AM CST Mon Dec 02 2024 Valid 051200Z - 101200Z ...DISCUSSION... A strong cold front will move into the Gulf on Thursday morning with a dry, continental polar airmass to spread across the eastern CONUS in its wake. This will keep thunderstorm activity limited to far south Texas late this week and into the early part of the weekend. Eventually, the moist sector will advect inland across Texas and the ArkLaTex ahead of an approaching mid-level trough late on Saturday and on Sunday. The associated cold
SPC Dec 2, 2024 0830 UTC Day 3 Severe Thunderstorm Outlook
SPC 0830Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0227 AM CST Mon Dec 02 2024 Valid 041200Z - 051200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... A few thunderstorms are possible from East Texas into the ArkLaMiss on Wednesday. No severe thunderstorms are expected. ...Synopsis... A strong mid-level jet streak will move out of the Canadian Prairies on Wednesday morning and into the central Ozarks by early Thursday morning. As this occurs, a southwesterly low-level jet will strengthen across East Texas on Wednesday and into Louisiana Wednesday night. This strengthening low-level jet and corresponding
SPC Dec 2, 2024 0700 UTC Day 2 Convective Outlook
SPC 0700Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 0101 AM CST Mon Dec 02 2024 Valid 031200Z - 041200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Isolated thunderstorms are possible along the Texas Coast and into portions of East Texas. No severe thunderstorms are expected. ...Synopsis... An upper-level trough will move off the east coast on Tuesday. Surface high pressure will progress east in its wake with a strong anticyclone moving from the Ozarks to the southern Appalachians through the weekend. Easterly flow across the Gulf of Mexico on the southern periphery of the
SPC Dec 1, 2024 2000 UTC Day 1 Convective Outlook
SPC 2000Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0134 PM CST Sun Dec 01 2024 Valid 012000Z - 021200Z ...NO THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorms are not expected through tonight. ...20z Update... No forecast changes are needed; thunderstorm potential over the country remains minimal for today. See the previous discussion for additional details. ..Moore.. 12/01/2024 .PREV DISCUSSION... /ISSUED 1010 AM CST Sun Dec 01 2024/ ...Synopsis and Discussion... Large-scale upper troughing and cyclonic flow aloft will continue to prevail east of the Rockies through the period, while an upper ridge builds over the
SPC Dec 1, 2024 1930 UTC Day 3 Severe Thunderstorm Outlook
SPC 1930Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0106 PM CST Sun Dec 01 2024 Valid 031200Z - 041200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Isolated thunderstorms are possible along the Texas Coast. No severe thunderstorms are expected. ...Synopsis... Upper troughing is forecast to cover the eastern CONUS early Tuesday morning, with an embedded shortwave trough progressing through the Mid-Atlantic States. Mean upper troughing is expected to continue gradually eastward throughout the day, while another shortwave trough drops southeastward through the Canadian Prairies and into the northern Plains/Upper Midwest late Tuesday/early Wednesday. At
SPC Dec 1, 2024 Day 4-8 Severe Weather Outlook
Day 4-8 Outlook Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0115 AM CST Sun Dec 01 2024 Valid 041200Z - 091200Z ...DISCUSSION... A strong upper-level trough will move off the East Coast toward the middle of this week. Additional reinforcing troughs are forecast in its wake through the end of this week and potentially into next weekend. This will keep a dry, continental polar airmass across the eastern CONUS through the extended period. Some low-level moisture will slowly drift inland across Texas and potentially the central Gulf coast by the end of the week, however this will
SPC Dec 1, 2024 0830 UTC Day 3 Severe Thunderstorm Outlook
SPC 0830Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 1247 AM CST Sun Dec 01 2024 Valid 031200Z - 041200Z ...NO THUNDERSTORM AREAS FORECAST... ...SUMMARY... No thunderstorms are expected across the CONUS. ...Synopsis... A strong anticyclone will migrate across the eastern CONUS on Tuesday which will result in 15 to 20 knots of east-southeasterly flow across the western Gulf. As a result, some mid to upper 60s dewpoints may advect inland across south Texas. However, these dewpoints are expected to be confined to coastal areas with minimal instability present. A few thunderstorms are possible