Tag: day

SPC 1300Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0648 AM CST Fri Feb 14 2025 Valid 141300Z - 151200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are unlikely today and tonight. ...Synopsis and Discussion... A large-scale upper trough over the western CONUS will further amplify today as it moves over the Southwest and southern/central Rockies. In association with this feature and related cold mid-level temperatures, isolated thunderstorms appear possible across parts of the southern Great Basin and Four Corners vicinity. But, overall coverage/intensity of this convection should be limited by meager low-level

SPC 0100Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0703 PM CST Thu Feb 13 2025 Valid 140100Z - 141200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS COASTAL SOUTHERN CALIFORNIA... ...SUMMARY... Isolated strong to severe storms may occur this evening across coastal southern California. ...California... Some convectively enhanced wind gusts may occur across coastal southern California this evening in association with a low-topped organized convective line ongoing near the LA Metro area. Local WSR-88D VWP data suggests around 40-50 kt west-southwesterly winds within the lowest 2-3 km AGL, while the 00z observed

SPC 1300Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0643 AM CST Thu Feb 13 2025 Valid 131300Z - 141200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS FROM THE FLORIDA PANHANDLE INTO SOUTHERN GEORGIA...AND OVER PARTS OF THE CENTRAL VALLEY OF CALIFORNIA... ...SUMMARY... Isolated, marginally severe storms are possible from the Florida Panhandle into southern Georgia and parts of the Central Valley of California. Damaging winds and a brief tornado are the primary threats. ...Southeast... Lead shortwave trough continues to progress through the OH Valley this morning, and is expected to continue northeastward

SPC 0100Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0700 PM CST Wed Feb 12 2025 Valid 130100Z - 131200Z ...THERE IS AN ENHANCED RISK OF SEVERE THUNDERSTORMS FOR SOUTHEAST MISSISSIPPI INTO SOUTHERN AND CENTRAL PORTIONS OF ALABAMA... ...SUMMARY... Severe thunderstorms are forecast through late tonight from southeast Louisiana through Alabama into western Georgia. The primary hazard will be the potential for a couple of strong tornadoes this evening into late tonight. ...Central Gulf Coast states into GA... Early evening surface analysis places a slow northward-moving warm front over south-central AL. Only minor northward

SPC 1300Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0651 AM CST Wed Feb 12 2025 Valid 121300Z - 131200Z ...THERE IS AN ENHANCED RISK OF SEVERE THUNDERSTORMS ACROSS SOUTHEAST LA...SOUTHERN MS...AND SOUTHERN/CENTRAL AL... ...SUMMARY... Severe storms will be possible this afternoon through late tonight from the Lower Mississippi Valley into and western Georgia. Primary severe hazards include the risk for a few tornadoes and scattered damaging gusts. ...Lower MS Valley into the Southeast... Lead shortwave trough continues to progress across east TX, while the broad parent upper troughing shifts eastward through the southern

SPC 0100Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0700 PM CST Tue Feb 11 2025 Valid 120100Z - 121200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS FROM SOUTH TEXAS INTO SOUTHEAST TEXAS AND FAR WESTERN LOUISIANA... ...SUMMARY... Isolated strong to severe thunderstorms are possible from south Texas into parts of the Texas-Louisiana border vicinity through tonight. ...TX into LA... Early evening surface analysis places a front across south Texas into the coastal shelf waters south of Galveston Bay and into south-central LA. Water-vapor imagery shows a mid-level shortwave trough moving quickly east

SPC 1300Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0647 AM CST Tue Feb 11 2025 Valid 111300Z - 121200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS FROM SOUTHEAST TEXAS AND THE LOWER MISSISSIPPI VALLEY INTO SOUTHERN MISSISSIPPI AND CENTRAL ALABAMA.... ...SUMMARY... Isolated to scattered thunderstorms are possible from the southern Plains into the lower Mississippi Valley. Some strong to severe thunderstorms are possible from southeast Texas and the Lower Mississippi Valley into southern Mississippi and central Alabama. ...Synopsis... A pair of shortwave troughs are expected to progress through the southern Plains today

SPC 0100Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0653 PM CST Mon Feb 10 2025 Valid 110100Z - 111200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not expected tonight. ...01z Update... 850mb flow is beginning to increase across northern TX into southeast OK, partially in response to a weak southern stream short-wave trough that is approaching this region. Latest model guidance suggests LLJ will strengthen into the late evening hours then veer into the Arklatex by 11/12z. The strongest corridor of low-level warm advection is currently noted from central OK into

SPC 1300Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0645 AM CST Mon Feb 10 2025 Valid 101300Z - 111200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Isolated thunderstorms are possible from central Texas across southeast Oklahoma into western Arkansas tonight. ...TX/OK/AR... Recent satellite imagery shows a well-defined shortwave trough off the southern CA/Baja CA coast. This feature is forecast to progress quickly east-northeastward throughout the day, traversing the Southwest/northern Mexico and reaching the southern Plains by tomorrow morning. Airmass ahead of this feature across the southern Plains is currently cool and dry, with the

SPC 0100Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0631 PM CST Sun Feb 09 2025 Valid 100100Z - 101200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Isolated thunderstorms are possible across parts of the Carolinas. ...01z Update... Synoptic front is currently draped along the SC/NC border, arcing west into northern GA. Surface temperatures warmed into the lower 70s across the warm sector which have allowed 0-3km lapse rates to steepen near the wind shift, effectively weakening inhibition, though nocturnal cooling should begin to stabilize the boundary layer. While water-vapor imagery does not suggest any