Tag: day

Official

SPC Mar 28, 2025 2000 UTC Day 1 Convective Outlook

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
Official

SPC Mar 28, 2025 1730 UTC Day 2 Convective Outlook

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
Official

SPC Mar 28, 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 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
Official

SPC Mar 28, 2025 0600 UTC Day 2 Convective Outlook

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
Official

SPC Mar 28, 2025 0600 UTC Day 1 Convective Outlook

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
Official

SPC Mar 27, 2025 1930 UTC Day 3 Severe Thunderstorm Outlook

SPC 1930Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0227 PM CDT Thu Mar 27 2025 Valid 291200Z - 301200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FROM NORTHERN OK TO NORTHERN MO... ...SUMMARY... Scattered severe thunderstorms are possible from northern Oklahoma into the Lower Missouri Valley on Saturday evening/night. Large to very large hail could be the primary hazard, but severe gusts and a couple tornadoes may occur. ...Central States... Primary changes with this outlook are to add a level 2-SLGT risk and expand the level 1-MRGL along the dryline through TX.
Official

SPC Mar 27, 2025 1730 UTC Day 2 Convective Outlook

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
Official

SPC Mar 27, 2025 1630 UTC Day 1 Convective Outlook

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
Official

SPC Mar 27, 2025 0730 UTC Day 3 Severe Thunderstorm Outlook

SPC 0730Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0236 AM CDT Thu Mar 27 2025 Valid 291200Z - 301200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS FROM PORTIONS OF OKLAHOMA TO PARTS OF IOWA AND ILLINOIS... ...SUMMARY... Thunderstorms developing Saturday evening may pose local risk for hail and potentially strong wind gusts. ...portions of Oklahoma northeastward into Iowa/Illinois... Substantial uncertainty exists regarding the forecast for Saturday across the central U.S. -- with models exhibiting notable differences with respect to evolution of the surface pattern. Additionally, the NAM in particular maintains strong capping
Official

SPC Mar 27, 2025 0600 UTC Day 2 Convective Outlook

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