Tag: convective

SPC 0600Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 0115 AM CDT Sat Mar 29 2025 Valid 301200Z - 311200Z ...THERE IS AN ENHANCED RISK OF SEVERE THUNDERSTORMS ACROSS A BROAD AREA CENTERED OVER THE OHIO/MID MISSISSIPPI/TENNESSEE VALLEYS... ...SUMMARY... A widespread/substantial severe-weather episode is forecast across an area centered on the Ohio/Mid and Lower Mississippi/Lower Missouri/Tennessee River Valleys. Very large hail, damaging winds, and strong tornadoes are expected. ...Midwest/Ohio Valley south to East Texas and the central Gulf Coast states... A mid-level short-wave trough is forecast to shift northeastward out of the central Plains

SPC 1200Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1246 AM CDT Sat Mar 29 2025 Valid 291200Z - 301200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS EVENING INTO THE OVERNIGHT HOURS ACROSS NORTHERN OKLAHOMA AND SOUTHEASTERN KANSAS INTO WESTERN MISSOURI... ...SUMMARY... Widely scattered severe thunderstorms are possible across parts of the central and southern Great Plains into middle Mississippi Valley today through tonight. This may include an organizing cluster of storms across parts of northern Oklahoma and southeastern Kansas through western Missouri this evening into the overnight hours. ...Discussion... Downstream of

SPC 2000Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0226 PM CDT Fri Mar 28 2025 Valid 282000Z - 291200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FOR PORTIONS OF SOUTHEASTERN TEXAS INTO WESTERN/CENTRAL LOUISIANA... ...SUMMARY... A severe storms threat will continue across coastal Texas into Louisiana this afternoon, with primary risks including a tornado or two and damaging wind. Isolated severe hail and wind is also possible this evening/tonight from Nebraska into portions of the Upper Midwest. ...20z Update... A Slight Risk was added across portions of far southeastern Texas into western/central

SPC 1730Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1227 PM CDT Fri Mar 28 2025 Valid 291200Z - 301200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FOR PARTS OF NORTHERN OKLAHOMA...EASTERN KANSAS...WESTERN/CENTRAL MISSOURI... ...SUMMARY... Scattered severe thunderstorms are possible from northern Oklahoma into the Lower Missouri Valley on Saturday evening/night. Large to very large hail should be the primary hazard, but a couple of severe gusts and possibly a tornado or two may occur. ...Synopsis... The upper-level pattern across the Rockies and Plains will be somewhat disorganized. However, two low-amplitude shortwave troughs

SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1122 AM CDT Fri Mar 28 2025 Valid 281630Z - 291200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF COASTAL TEXAS INTO LOUISIANA AND PORTIONS OF NEBRASKA INTO THE UPPER MIDWEST... ...SUMMARY... A low probability tornado/wind threat is forecast through this evening across parts of coastal Texas into Louisiana. Isolated severe hail and wind is also possible this evening/tonight from Nebraska into portions of the Upper Midwest. ...Coastal Texas into Louisiana... Satellite imagery late this morning shows a mid-level trough over south-central

SPC 0600Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 0105 AM CDT Fri Mar 28 2025 Valid 291200Z - 301200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FROM NORTHERN OKLAHOMA INTO THE LOWER MISSOURI VALLEY... ...SUMMARY... Scattered severe thunderstorms are possible from northern Oklahoma into the Lower Missouri Valley on Saturday evening/night. Large to very large hail should be the primary hazard, but a couple of severe gusts and possibly a tornado or two may occur. ...Northern Oklahoma into parts of the Lower Missouri/Mid Mississippi Valleys... As the primary vorticity maximum within a

SPC 1200Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1230 AM CDT Fri Mar 28 2025 Valid 281200Z - 291200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF THE UPPER MIDWEST INTO NEBRASKA...AND ACROSS THE WESTERN GULF COAST STATES... ...SUMMARY... A low-probability tornado and wind threat is forecast through this evening across portions of the western Gulf Coast States. Isolated severe hail is also possible from the Upper Midwest into Nebraska later this evening/night. ...Western Gulf Coast States... Southern-stream upper trough is currently located over northeast Mexico/far West TX. This feature

SPC 1730Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1219 PM CDT Thu Mar 27 2025 Valid 281200Z - 291200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS IN PARTS OF THE CENTRAL STATES... ...SUMMARY... A low-probability tornado and wind threat remains forecast for Friday morning through evening across portions of the western Gulf Coast States. Isolated severe hail is possible from the Upper Midwest into Nebraska on Friday evening/night. ...TX Coastal Plain to LA... After extensive preceding convection yesterday through today, poor mid-level lapse rates will be prevalent across much the region ahead

SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1128 AM CDT Thu Mar 27 2025 Valid 271630Z - 281200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FOR THE LOWER MISSOURI VALLEY... ...SUMMARY... Isolated to scattered large hail and localized severe wind gusts are possible across parts of the Lower Missouri/Mid-Mississippi Valleys. ...Central Plains to Lower Missouri/Middle Mississippi Valleys... Scattered thunderstorms, including a few lingering strong storms, continue late this morning from eastern KS into northern MO within a warm-air advection regime. Morning raob data over the central Great Plains indicated the northeastern

SPC 0600Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 0100 AM CDT Thu Mar 27 2025 Valid 281200Z - 291200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS PORTIONS OF THE MISSOURI VALLEY AND INTO THE UPPER GREAT LAKES...AND FROM THE EASTERN HALF OF TEXAS TO THE LOWER MISSISSIPPI VALLEY AREA... ...SUMMARY... Isolated severe thunderstorms are possible across portions of eastern and southern Texas and into southern Arkansas and Louisiana Friday, and from Nebraska into parts of the Upper Midwest on Friday evening/night. ...Synopsis... A slow-moving southern-stream short-wave trough will continue shifting across