SPC Mar 25, 2025 1930 UTC Day 3 Severe Thunderstorm Outlook
SPC 1930Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0221 PM CDT Tue Mar 25 2025 Valid 271200Z - 281200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS IN PARTS OF THE CENTRAL STATES... ...SUMMARY... Isolated severe thunderstorms are possible across south Texas into the Trans-Pecos from Thursday morning to evening, and over the Lower Missouri/Mid-Mississippi Valleys, mainly during the afternoon into Thursday night. ...South TX to the Trans-Pecos... Non-NAM guidance is fairly consistent with extensive deep convection ongoing across parts of south TX at 12Z Thursday, in association with a leading low-amplitude shortwave
SPC Mar 24, 2025 1930 UTC Day 3 Severe Thunderstorm Outlook
SPC 1930Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0222 PM CDT Mon Mar 24 2025 Valid 261200Z - 271200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS IN PARTS OF OR/WA/NORTHERN ID... ...SUMMARY... Isolated severe thunderstorms are possible across parts of the Pacific Northwest on Wednesday afternoon into the evening. ...Pacific Northwest... Synoptic pattern appears favorable for early-season severe potential. Largely maintained a broad level 1-MRGL risk with overall scenario supporting at least isolated severe-storm potential. Parts of the region, focused west of the Cascades and over eastern OR/southeast WA, may warrant a
SPC Feb 20, 2025 1930 UTC Day 3 Severe Thunderstorm Outlook
SPC 1930Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0116 PM CST Thu Feb 20 2025 Valid 221200Z - 231200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Scattered thunderstorms are possible from the middle and upper Texas Coast toward the Sabine Valley Saturday evening into early Sunday. At least some risk of hail may eventually develop. ...Synopsis... A general northwest flow regime will remain from the northern Plains into the Mid Atlantic, with a southern-stream westerly flow regime from the southern Plains into the Southeast. A compact upper low is forecast to move from AZ/NM
SPC Feb 19, 2025 1930 UTC Day 3 Severe Thunderstorm Outlook
SPC 1930Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0117 PM CST Wed Feb 19 2025 Valid 211200Z - 221200Z ...NO THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorms are not expected on Friday. ...Synopsis... On Friday a split-flow regime will exist with northwest flow from the northern Plains into the Great lakes, and a stronger belt of westerly flow from the Southwest into the Southeast. The overarching theme will continue to be stable conditions due to high pressure over the central and eastern states, though surface winds will become easterly from the Bahamas westward across the
SPC Feb 18, 2025 1930 UTC Day 3 Severe Thunderstorm Outlook
SPC 1930Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0428 PM CST Tue Feb 18 2025 Valid 201200Z - 211200Z ...NO THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorms are not expected on Thursday. ...Discussion... In the wake of a cold front exiting the Florida Peninsula, strong surface high pressure (1040+ mb) and an Arctic air mass will settle over much of the CONUS on Thursday. Prevalent cold and stable conditions are expected to considerably limit thunderstorm potential. ..Guyer.. 02/18/2025 Read more
SPC Feb 15, 2025 1930 UTC Day 3 Severe Thunderstorm Outlook
SPC 1930Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 1237 PM CST Sat Feb 15 2025 Valid 171200Z - 181200Z ...NO THUNDERSTORM AREAS FORECAST... ...SUMMARY... Lightning potential will remain minimal across the U.S. on Monday. ...Discussion... Weakly cyclonic flow aloft will prevail across most of the U.S. Monday. At the surface, cold high pressure will continue ridging southeastward out of the Canadian Prairie, resulting in stable conditions and a general lack of thunder potential. A flash or two cannot be ruled out across portions of the West, as a short-wave trough shifts southeastward out
SPC Jan 23, 2025 1930 UTC Day 3 Severe Thunderstorm Outlook
SPC 1930Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0112 PM CST Thu Jan 23 2025 Valid 251200Z - 261200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe storms are not forecast for Saturday. ...Synopsis... Upper ridging will build over the southern/central Rockies and adjacent Plains as an upper trough continues to deepen across the Pacific Coast vicinity. As this occurs, a surface low will move across northern Mexico. Resulting south/southeasterly low-level flow across the western Gulf will transport moisture northward across portions of southern and southeastern TX. Within this warm advection regime, weak elevated
SPC Jan 22, 2025 1930 UTC Day 3 Severe Thunderstorm Outlook
SPC 1930Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0109 PM CST Wed Jan 22 2025 Valid 241200Z - 251200Z ...NO THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorms are not forecast for Friday. ...Synopsis... Expansive surface high pressure and cold temperatures are forecast across much of the CONUS. Continental trajectories will remain offshore, resulting in a dearth of boundary layer moisture and instability. As a result, thunderstorms are not expected through early Saturday morning. ..Leitman.. 01/22/2025 Read more
SPC Jan 21, 2025 1930 UTC Day 3 Severe Thunderstorm Outlook
SPC 1930Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 1248 PM CST Tue Jan 21 2025 Valid 231200Z - 241200Z ...NO THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorms are not forecast on Thursday. ...Synopsis... A large mid/upper-level trough will persist from the south-central Great Plains into the eastern CONUS on Thursday, as multiple embedded shortwaves move southeastward through the larger-scale trough. Generally dry and stable conditions in the wake of a significant cold intrusion should continue to limit thunderstorm potential through the period. ..Dean.. 01/21/2025 Read more
SPC Jan 20, 2025 1930 UTC Day 3 Severe Thunderstorm Outlook
SPC 1930Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 1242 PM CST Mon Jan 20 2025 Valid 221200Z - 231200Z ...NO THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorms are not expected through Wednesday night. ...Synopsis... Conditions will be too dry/stable for potential lightning-producing convection across the CONUS through the period. ..Grams.. 01/20/2025 Read more