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
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
SPC Mar 27, 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 Thu Mar 27 2025 Valid 271200Z - 281200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS THE LOWER MISSOURI/MID-MISSISSIPPI VALLEY REGION...AND SOUTH TEXAS... ...SUMMARY... Multiple rounds of severe thunderstorms are possible in south Texas with hail and wind as the primary hazards. Across parts of the Lower Missouri/Mid-Mississippi Valleys, isolated to scattered large hail and localized severe gusts are possible, mainly during the late afternoon and evening. ...South Texas... Complex, slow-moving upper trough will eject across northern Mexico toward deep South
SPC Mar 26, 2025 1930 UTC Day 3 Severe Thunderstorm Outlook
SPC 1930Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0225 PM CDT Wed Mar 26 2025 Valid 281200Z - 291200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS IN PARTS OF THE CENTRAL STATES... ...SUMMARY... Isolated severe thunderstorms are possible across the western Gulf Coast States on Friday into Friday night, and from Nebraska into parts of the Upper Midwest on Friday evening/night. ...East/south TX and LA... A below-average confidence forecast is apparent with extensive preceding convection late D1 through D2 ahead of a low-amplitude shortwave trough drifting east-northeast across south TX. Moist-adiabatic thermodynamic
SPC Mar 26, 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 Wed Mar 26 2025 Valid 271200Z - 281200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS IN SOUTH TX AND THE LOWER MO VALLEY... ...SUMMARY... Multiple rounds of severe thunderstorms are possible in south Texas with hail and wind as the primary hazards. Across parts of the Lower Missouri/Mid-Mississippi Valleys, isolated to scattered large hail and localized severe gusts are possible, mainly during the late afternoon and evening. ...South TX... Extensive deep convection will likely be ongoing across parts of south TX
SPC Mar 26, 2025 1630 UTC Day 1 Convective Outlook
SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1130 AM CDT Wed Mar 26 2025 Valid 261630Z - 271200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS WESTERN PORTIONS OF WASHINGTON/OREGON... ...SUMMARY... Severe thunderstorms are expected across parts of the Pacific Northwest this afternoon and evening, with supercells possible west of the Cascades across Oregon into Washington. These storms may produce large hail, perhaps a tornado or two, and strong wind gusts. ...Pacific Northwest... Satellite imagery this morning shows an upper low approaching the coast with mostly sunny skies over much of
SPC Mar 26, 2025 0730 UTC Day 3 Severe Thunderstorm Outlook
SPC 0730Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0232 AM CDT Wed Mar 26 2025 Valid 281200Z - 291200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS PORTIONS OF THE NEBRASK VICINITY...AND FROM EASTERN TEXAS TO THE LOWER MISSISSIPPI VALLEY... ...SUMMARY... A few strong/severe storms may occur from parts of East Texas to the Lower Mississippi Valley, and also across portions of the Nebraska vicinity overnight. ...Eastern Texas to the Lower Mississippi Valley... Thunderstorms are forecast to be ongoing across eastern portions of the southern Plains, in conjunction with the slow-moving southern-stream
SPC Mar 26, 2025 0600 UTC Day 2 Convective Outlook
SPC 0600Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 0113 AM CDT Wed Mar 26 2025 Valid 271200Z - 281200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS PORTIONS OF SOUTHERN TEXAS... ...SUMMARY... Scattered severe thunderstorms are possible Thursday across parts of the southern High Plains, and into southern Texas, as well as over the Lower Missouri/Mid-Mississippi Valleys. ...Southern High Plains across southern Texas... Showers and thunderstorms are forecast to be ongoing early in the period, as a slow-moving southern-stream trough moves eastward across northern Mexico and Texas through the period. Local risk
SPC Mar 26, 2025 0600 UTC Day 1 Convective Outlook
SPC 1200Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1246 AM CDT Wed Mar 26 2025 Valid 261200Z - 271200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS PORTIONS OF THE PACIFIC NORTHWEST... ...SUMMARY... Severe thunderstorms are forecast across parts of the Pacific Northwest this afternoon and evening. Supercells are expected west of the Cascades across Oregon into Washington. These may produce large hail, perhaps a brief tornado, and locally strong gusts. ...Pacific Northwest... Seasonally strong upper low off the Pacific Northwest Coast will shift east today as a 100+kt 500mb speed max
SPC Mar 25, 2025 1930 UTC Day 3 Severe Thunderstorm Outlook
SPC 1930Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0221 PM CDT Tue Mar 25 2025 Valid 271200Z - 281200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS IN PARTS OF THE CENTRAL STATES... ...SUMMARY... Isolated severe thunderstorms are possible across south Texas into the Trans-Pecos from Thursday morning to evening, and over the Lower Missouri/Mid-Mississippi Valleys, mainly during the afternoon into Thursday night. ...South TX to the Trans-Pecos... Non-NAM guidance is fairly consistent with extensive deep convection ongoing across parts of south TX at 12Z Thursday, in association with a leading low-amplitude shortwave