Tag: convective

SPC 1730Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1212 PM CDT Tue Apr 08 2025 Valid 091200Z - 101200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorms are possible across portions of the Midwest, the Upper Midwest, and the northern High Plains, though severe storms are not expected. ...Synopsis and Discussion... A midlevel trough will amplify as it advances southeastward from the northern Plains into the Midwest on Wednesday, while a surface low will develop over Missouri and moves into the Lower Ohio Valley. A cold front will extend southwestward from this surface low

SPC 0600Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1219 AM CDT Tue Apr 08 2025 Valid 091200Z - 101200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorms are possible across portions of the the Middle Mississippi Valley and northern High Plains, though severe storms are not expected. ...Synopsis and Discussion... A midlevel trough will amplify as it advances southeastward from the northern Plains into the Midwest, while a related surface low and southwestward-extending cold front overspread the Mid MS/OH Valleys. Despite limited boundary-layer moisture, steep midlevel lapse rates will yield sufficient instability (albeit weak)

SPC 1200Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1215 AM CDT Tue Apr 08 2025 Valid 081200Z - 091200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Isolated strong storms may occur over far southern Florida and the Keys tonight into Wednesday morning, and from southeast Montana to the Black Hills. ...Synopsis... A positive-tilt trough in the western Gulf will slide eastward through the day. This trough will eventually reach the Florida Peninsula late tonight into Wednesday morning. In the West, an upper ridge will build with the strongest flow aloft situated over the Northwest

SPC 2000Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0227 PM CDT Mon Apr 07 2025 Valid 072000Z - 081200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THROUGH THIS EVENING FROM NORTH FLORIDA TO EASTERN NORTH CAROLINA... ...SUMMARY... Scattered severe storms are expected this afternoon across parts of northern Florida and southeastern Georgia to the eastern Carolinas. ...North FL to eastern NC the remainder of the afternoon... The earlier supercell structures have largely weakened across north FL/southeast GA, though newer bowing segments have formed and are moving across eastern NC with recent severe

SPC 1730Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1236 PM CDT Mon Apr 07 2025 Valid 081200Z - 091200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Isolated strong storms may occur over far southern Florida and the Keys late Tuesday and into the overnight hours, and from southeast Montana to Black Hills. ...Synopsis and Discussion... A low-latitude shortwave trough will move east across the Gulf while a front sinks south across far southern FL. Modest heating may yield MUCAPE around 1000 J/kg over far southern FL, supporting daytime storms near and north of the

SPC 0600Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1249 AM CDT Mon Apr 07 2025 Valid 081200Z - 091200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS OVER PARTS OF FAR SOUTHERN FLORIDA AND THE KEYS... ...SUMMARY... Isolated strong to severe storms may occur over far southern Florida and the Keys on Tuesday afternoon into the overnight hours. ...Synopsis... A low-latitude midlevel trough will advance eastward across the Gulf during the day, and overspread the Florida Peninsula during the overnight hours. At the same time, a cold front will move southeastward across southern

SPC 1200Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1243 AM CDT Mon Apr 07 2025 Valid 071200Z - 081200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FOR PARTS OF NORTH FLORIDA...SOUTHEAST GEORGIA...SOUTHERN SOUTH CAROLINA... ...SUMMARY... Scattered storms, some severe, are possible Monday afternoon across parts of northern Florida and the southern Atlantic Seaboard. ...Synopsis... A large upper-level trough will continue eastward from the Mississippi Valley into the East Coast by Tuesday morning. Some intensification of the mid-level jet is expected as it moves from the lower Mississippi Valley into the Mid-Atlantic. At

SPC 2000Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0232 PM CDT Sun Apr 06 2025 Valid 062000Z - 071200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF THE SOUTHEAST... ...SUMMARY... Scattered damaging winds and isolated tornadoes remain possible through this evening across parts of the Southeast. Marginally severe wind gusts will also be possible northeastward into parts of the southern Appalachians and southern Virginia. ...20Z Update... The only appreciable change with this update was to trim severe probabilities behind multiple ongoing convective clusters across the Southeast. Damaging winds and a

SPC 1730Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1214 PM CDT Sun Apr 06 2025 Valid 071200Z - 081200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FROM NORTHERN FLORIDA INTO MUCH OF SOUTHERN GEORGIA AND SOUTH CAROLINA... ...SUMMARY... Scattered storms, some severe, are possible Monday afternoon across parts of northern Florida and the southern Atlantic Seaboard. ...Synopsis and Discussion... A positive-tilt upper trough will sweep across the Southeast on Monday, with midlevel jet max intensifying as it begins to phase with a deeper trough over the Great Lakes. At the surface, a

SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1126 AM CDT Sun Apr 06 2025 Valid 061630Z - 071200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS THE SOUTHEAST... ...SUMMARY... A wind-damage and isolated tornado threat exists across parts of the Southeast. Marginally severe wind gusts will also be possible northeastward into parts of the southern Appalachians and southern Virginia. ...Southeast... A composite squall line with some embedded bows, along with some preceding thunderstorms and occasional transient/mostly weak supercells thus far, extends from the Alabama/Georgia border vicinity (west/southwest of Atlanta metro) southwestward