Tag: convective

Official

SPC May 1, 2025 0100 UTC Day 1 Convective Outlook

SPC 0100Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0758 PM CDT Wed Apr 30 2025 Valid 010100Z - 011200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS TONIGHT ACROSS PARTS OF SRN AND ERN TX...NRN LA...ERN AR...NWRN MS...WRN TN...SERN MO...SRN IL AND SRN IN... ...SUMMARY... The risk for strong to severe thunderstorm development may continue into late evening across parts of the southeastern Great Plains into Mid South and lower Ohio Valley, before waning overnight. ...01Z Update... A notable mid-level short wave trough emerging from the Southwest has reached the southern Great Plains
Official

SPC Apr 30, 2025 1300 UTC Day 1 Convective Outlook

SPC 1300Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0736 AM CDT Wed Apr 30 2025 Valid 301300Z - 011200Z ...THERE IS AN ENHANCED RISK OF SEVERE THUNDERSTORMS FROM NORTHEAST TX INTO SOUTHWEST OK AND THE ARKLATEX... ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FROM WEST-CENTRAL MO ACROSS SOUTHERN IL INTO SOUTHERN IN... ...SUMMARY... Scattered severe thunderstorms are possible on later today into this evening from the southern Plains into the Lower Ohio Valley, with the greatest risk expected across north-central Texas into the ArkLaTex region. Large to very large hail, damaging winds
Official

SPC Apr 30, 2025 0100 UTC Day 1 Convective Outlook

SPC 0100Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0804 PM CDT Tue Apr 29 2025 Valid 300100Z - 301200Z ...THERE IS AN ENHANCED RISK OF SEVERE THUNDERSTORMS FOR PARTS OF WEST/NORTHWEST TX INTO SOUTHERN OK... ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FOR PARTS OF THE GREAT LAKES/OHIO VALLEY... ...SUMMARY... Multiple clusters of severe storms are expected this evening into overnight across parts of the Southern Plains. Large to very large hail, severe gusts, and a couple tornadoes are all possible. Clusters of storms with locally damaging wind also remain possible across
Official

SPC Apr 29, 2025 1300 UTC Day 1 Convective Outlook

SPC 1300Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0737 AM CDT Tue Apr 29 2025 Valid 291300Z - 301200Z ...THERE IS AN ENHANCED RISK OF SEVERE THUNDERSTORMS FROM PARTS OF WEST TX INTO SOUTHWEST OK...AND FROM THE OH VALLEY INTO THE LOWER GREAT LAKES... ...SUMMARY... Scattered severe thunderstorms are possible within a broad swath from the Lower Great Lakes to the southern High Plains, mainly during this afternoon to evening. Corridors of greater threat are expected over the Upper Ohio Valley/Lower Great Lakes and in parts of west Texas into southwest Oklahoma. ...Synopsis...
Official

SPC Apr 29, 2025 0100 UTC Day 1 Convective Outlook

SPC 0100Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0812 PM CDT Mon Apr 28 2025 Valid 290100Z - 291200Z ...THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS FOR SOUTHEAST MN...NORTHERN IA...WESTERN WI... ...THERE IS AN ENHANCED RISK OF SEVERE THUNDERSTORMS FOR NORTHWEST TX AND SOUTHWEST OK... ...SUMMARY... Multiple corridors of severe thunderstorms will continue this evening from the Upper Midwest into the central and southern Plains. Tornadoes, large hail, and severe gusts all remain possible, including some strong-tornado potential. ...Upper Midwest... Convection has generally evolved into a linear mode from northern IA into
Official

SPC Apr 28, 2025 1300 UTC Day 1 Convective Outlook

SPC 1300Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0737 AM CDT Mon Apr 28 2025 Valid 281300Z - 291200Z ...THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS FOR SOUTHERN MN...NORTHERN IA...AND WESTERN WI... ...THERE IS AN ENHANCED RISK OF SEVERE THUNDERSTORMS FROM NORTH-CENTRAL AND WESTERN OK INTO THE TX BIG COUNTRY AND SOUTHWEST TX... ...SUMMARY... Multiple corridors of severe thunderstorms are expected across the Upper Midwest later today into tonight, with a regional severe weather outbreak possible. The most dangerous period is likely during the late afternoon and evening when strong tornado potential
Official

SPC Apr 28, 2025 0100 UTC Day 1 Convective Outlook

SPC 0100Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0759 PM CDT Sun Apr 27 2025 Valid 280100Z - 281200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FOR PARTS OF THE NORTHERN GREAT PLAINS INTO NE...AND PARTS OF THE SOUTHERN HIGH PLAINS... ...SUMMARY... Isolated to scattered severe thunderstorms are possible this evening into early morning Monday across parts of the Great Plains. Large to very large hail, severe gusts, and a few tornadoes are all possible. ...Northern Great Plains into NE...MN...northern IA... Supercell development is underway this evening across parts of western NE
Official

SPC Apr 27, 2025 1300 UTC Day 1 Convective Outlook

SPC 1300Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0745 AM CDT Sun Apr 27 2025 Valid 271300Z - 281200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FOR MUCH OF THE GREAT PLAINS... ...SUMMARY... Isolated to scattered severe thunderstorms are possible on Sunday evening into early morning Monday across parts of the Great Plains. Large hail, severe gusts, and a few tornadoes are all possible. ...Synopsis... Early morning satellite imagery shows modest upper ridging between a pair of well-defined cyclones, one centered over NV and the other centered over northern NY/VT. The NV
Official

SPC Apr 27, 2025 0100 UTC Day 1 Convective Outlook

SPC 0100Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0800 PM CDT Sat Apr 26 2025 Valid 270100Z - 271200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FOR PARTS OF EASTERN NM INTO SOUTHWEST TX...AND ALSO NEAR THE ARKLATEX VICINITY... ...SUMMARY... Scattered severe thunderstorms may continue over eastern New Mexico into parts of west Texas through the evening. A threat for large to very large hail and a couple of tornadoes are the primary risks. Scattered strong to severe storms also remain possible across parts of western/central Arkansas and vicinity. ...Eastern NM into
Official

SPC Apr 26, 2025 1300 UTC Day 1 Convective Outlook

SPC 1300Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0740 AM CDT Sat Apr 26 2025 Valid 261300Z - 271200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FROM SOUTH-CENTRAL OK AND FAR NORTH-CENTRAL TX INTO EASTERN OK... ...SUMMARY... Strong to potentially severe storms are possible later today across parts of the southern High Plains into the ArkLaTex region. Highest coverage is expected from south-central Oklahoma and far north-central Texas into eastern Oklahoma. Isolated severe storms are also across parts of the Mid Atlantic and Carolinas. ...NM into the Southern Plains and ArkLaTex... Early