Tag: convective

SPC 1200Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1139 PM CST Fri Feb 14 2025 Valid 151200Z - 161200Z ...THERE IS AN ENHANCED RISK OF SEVERE THUNDERSTORMS ACROSS PORTIONS OF THE LOWER MISSISSIPPI VALLEY...MID-SOUTH...AND CENTRAL GULF STATES... ...SUMMARY... Severe weather is expected from East Texas and Mid-South into much of the Southeast. Scattered to numerous damaging wind gusts and a few tornadoes are the primary threats. Storms are expected from late afternoon through the overnight hours. ...Discussion... Strong 500mb jet is currently digging southeast across the lower CO River Valley. This feature is

SPC 1730Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1120 AM CST Fri Feb 14 2025 Valid 151200Z - 161200Z ...THERE IS AN ENHANCED RISK OF SEVERE THUNDERSTORMS ACROSS NORTHERN LOUISIANA...SOUTHEAST ARKANSAS...MUCH OF MISSISSIPPI...FAR SOUTHWEST TENNESSEE...AND WEST-CENTRAL ALABAMA.... ...SUMMARY... Severe weather is expected from East Texas into much of the Southeast and parts of the Mid-South on Saturday. Scattered to numerous damaging wind gusts and a few tornadoes are the primary threats. Storms are expected from late afternoon through the overnight hours. ...Synopsis... A mid-level trough will traverse from the Southwest Saturday morning to

SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1016 AM CST Fri Feb 14 2025 Valid 141630Z - 151200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are unlikely through tonight across the contiguous United States. ...Synopsis... Water-vapor imagery this morning shows a large-scale upper trough over the West. This feature will amplify through late tonight as a 100-kt 500mb speed max moves through the base of the trough and into northern Sonora and Chihuahua. A belt of strong southwesterly mid-level flow will extend downstream of this upper trough into the southern Great

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