Tag: convective

Official

SPC Mar 24, 2025 1730 UTC Day 2 Convective Outlook

SPC 1730Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1220 PM CDT Mon Mar 24 2025 Valid 251200Z - 261200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not forecast on Tuesday. ...FL Peninsula... In the wake of a low-amplitude shortwave impulse passage on D1, large-scale ascent appears nebulous across the region. Still, pronounced boundary-layer heating should yield at least isolated thunderstorms Tuesday afternoon, mainly along the east coast sea breeze. Cool mid-level temperatures could support hail growth amid moderate buoyancy. Modest deep-layer shear should temper the overall threat, but a few slow-moving
Official

SPC Mar 24, 2025 1630 UTC Day 1 Convective Outlook

SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1108 AM CDT Mon Mar 24 2025 Valid 241630Z - 251200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON ALONG THE GULF COAST FROM SOUTHEAST LOUISIANA INTO THE FLORIDA PANHANDLE.... ...SUMMARY... Severe thunderstorms are possible today from southern Louisiana eastward to the Florida Panhandle and far southern Georgia. ...Gulf Coast... Clusters of thunderstorms have been affecting parts of southern LA/MS/AL and the FL Panhandle this morning. The effective outflow boundary currently extends from the Delta region of southeast LA eastward across the Gulf
Official

SPC Mar 24, 2025 0600 UTC Day 2 Convective Outlook

SPC 0600Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1257 AM CDT Mon Mar 24 2025 Valid 251200Z - 261200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Risk for severe weather appears low at this time across the U.S. on Tuesday. ...Discussion... A very slowly progressing upper pattern -- featuring an eastern U.S. trough and a ridge over the interior West -- will persist across the U.S. Tuesday. Through the second half of the period, an eastern Pacific trough is forecast to impinge on the West Coast. At the surface, the primary/remnant surface baroclinic zone
Official

SPC Mar 24, 2025 0600 UTC Day 1 Convective Outlook

SPC 1200Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1254 AM CDT Mon Mar 24 2025 Valid 241200Z - 251200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS SOUTHERN LA...MS...AL AND WESTERN FL/GA... ...SUMMARY... A few strong/possibly severe thunderstorms will be possible today from southern Louisiana eastward to southern Georgia and the Florida Panhandle. ...Synopsis... Amplified mid-level flow will progress across the CONUS as an upper trough moves from the Great Lakes into the Northeast, and a ridge builds steadily over the West. A cold front, trailing from a surface low will advance
Official

SPC Mar 23, 2025 1730 UTC Day 2 Convective Outlook

SPC 1730Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1207 PM CDT Sun Mar 23 2025 Valid 241200Z - 251200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS FROM SOUTHEAST LOUISIANA INTO SOUTHWEST GEORGIA AND THE FLORIDA PANHANDLE... ...SUMMARY... A few strong/possibly severe thunderstorms will be possible Monday morning and afternoon, from southern Louisiana eastward to southern Georgia and the Florida Panhandle. ...Synopsis... An amplified upper pattern is forecast across the CONUS on Monday, with an upper trough pivoting over the eastern U.S. while an upper ridge builds across the West. A surface cold
Official

SPC Mar 23, 2025 1630 UTC Day 1 Convective Outlook

SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1105 AM CDT Sun Mar 23 2025 Valid 231630Z - 241200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FROM EAST-CENTRAL TEXAS INTO THE LOWER MISSISSIPPI VALLEY AND MID-SOUTH... ...SUMMARY... Scattered severe thunderstorms are possible this afternoon and evening from East Texas into the Lower Mississippi and Tennessee Valleys. Large hail and damaging gusts are the main hazards, but a couple of tornadoes could also occur. ...Lower MS Valley... A strong upper trough is passing across the Midwest states today, with a 90+ knot mid
Official

SPC Mar 23, 2025 0600 UTC Day 2 Convective Outlook

SPC 0600Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1256 AM CDT Sun Mar 23 2025 Valid 241200Z - 251200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS THE CENTRAL GULF COAST REGION AND VICINITY... ...SUMMARY... A few strong/possibly severe thunderstorms will be possible Monday morning and afternoon, from southern Louisiana eastward to southern Georgia and the Florida Panhandle. ...Synopsis... An upper-level trough is forecast to advance slowly eastward across the eastern half of the U.S. on Monday, while ridging expands over the West. At the surface, a weakening occluded low will move
Official

SPC Mar 23, 2025 0600 UTC Day 1 Convective Outlook

SPC 1200Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1255 AM CDT Sun Mar 23 2025 Valid 231200Z - 241200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS EXTENDING FROM NORTHEAST TEXAS ACROSS THE LOWER MISSISSIPPI VALLEY AND INTO WESTERN TENNESSEE... ...SUMMARY... Scattered severe thunderstorms are possible this afternoon and evening from East Texas into the Lower Mississippi and Tennessee Valleys. Large hail and damaging gusts will be the main hazards. ...Synopsis... A shortwave trough will take on a negative tilt and deepen as it moves from the northern Plains toward the upper Great
Official

SPC Mar 22, 2025 1730 UTC Day 2 Convective Outlook

SPC 1730Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1221 PM CDT Sat Mar 22 2025 Valid 231200Z - 241200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FOR PARTS OF EAST TEXAS INTO THE LOWER MISSISSIPPI AND TENNESSEE VALLEYS... ...SUMMARY... Severe thunderstorms are possible during the afternoon and evening from East Texas into the Lower Mississippi and Tennessee Valleys. Large hail and damaging gusts will be the main severe hazard, though a couple of tornadoes also are possible. ...East TX into KY/TN/AL... An upper trough over the Plains Sunday morning will shift east
Official

SPC Mar 22, 2025 1630 UTC Day 1 Convective Outlook

SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1122 AM CDT Sat Mar 22 2025 Valid 221630Z - 231200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS EVENING OVER A SMALL PART OF SOUTHWEST MISSOURI AND VICINITY.... ...SUMMARY... Scattered thunderstorms capable of producing isolated large hail and strong wind gusts are possible this evening and overnight from northeast Oklahoma and far northwest Arkansas into eastern Kansas and much of Missouri. ...MO/OK/KS/AR... Morning water vapor imagery shows a subtle shortwave trough moving across CO. This feature will move into the central Plains today