Tag: spc

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 MD 254

MD 0254 CONCERNING SEVERE POTENTIAL...WATCH POSSIBLE FOR MUCH OF CENTRAL/EASTERN ARKANSAS...NORTHWESTERN MISSISSIPPI...WESTERN AND MIDDLE TENNESSEE AND ADJACENT PORTIONS OF SOUTHERN KENTUCKY Mesoscale Discussion 0254 NWS Storm Prediction Center Norman OK 0129 PM CDT Sun Mar 23 2025 Areas affected...much of central/eastern Arkansas...northwestern Mississippi...western and middle Tennessee and adjacent portions of southern Kentucky Concerning...Severe potential...Watch possible Valid 231829Z - 232100Z Probability of Watch Issuance...60 percent SUMMARY...Scattered intensifying thunderstorm development appears increasingly probable through 3-6 PM CDT. This may include a few supercells capable of producing large hail, and perhaps the risk for a tornado or two across western into middle Tennessee
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