SPC – No watches are valid as of Tue Apr 15 22:27:01 UTC 2025
No watches are valid as of Tue Apr 15 22:27:01 UTC 2025.
SPC – No MDs are in effect as of Tue Apr 15 22:27:01 UTC 2025
No Mesoscale Discussions are in effect as of Tue Apr 15 22:27:01 UTC 2025.
SPC Apr 15, 2025 2000 UTC Day 1 Convective Outlook
SPC 2000Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0252 PM CDT Tue Apr 15 2025 Valid 152000Z - 161200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF THE NORTHEAST AND NEW ENGLAND... ...SUMMARY... Isolated wind damage will remain possible into the early evening across parts of the Northeast. ...20Z Northeast... The prior outlooks remains largely unchanged with only minor modifications. Broad-scale ascent beneath the upper low over the Eastern US is supporting scattered, but shallow convection across the Northeast and New England. Low-topped thunderstorms will likely continue to pose a
SPC Apr 15, 2025 1930 UTC Day 3 Severe Thunderstorm Outlook
SPC 1930Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0204 PM CDT Tue Apr 15 2025 Valid 171200Z - 181200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS IOWA...NORTHERN MISSOURI...EASTERN/CENTRAL NEBRASKA... ...SUMMARY... Scattered severe thunderstorms, with a primary threat of large hail, are possible on Thursday evening/night, centered on eastern/central Nebraska, northern Missouri, and Iowa. ...Synopsis... Large scale troughing is progged from portions of the Canadian Prairies into the Intermountain West and Great Basin on Thursday. A deepening surface low will shift eastward across the northern central/high Plains, with a dryline extending from southern
SPC – No watches are valid as of Tue Apr 15 11:33:01 UTC 2025
No watches are valid as of Tue Apr 15 11:33:01 UTC 2025.
SPC – No MDs are in effect as of Tue Apr 15 11:33:01 UTC 2025
No Mesoscale Discussions are in effect as of Tue Apr 15 11:33:01 UTC 2025.
SPC Apr 15, 2025 Day 4-8 Severe Weather Outlook
Day 4-8 Outlook Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0358 AM CDT Tue Apr 15 2025 Valid 181200Z - 231200Z ...DISCUSSION... An active severe weather pattern expected through at least this weekend, before predictability diminishes early next week. ...D4/Friday... Guidance remains consistent with a broad swath of strong mid-level southwesterlies from the southern High Plains to the Great Lakes, downstream of a longwave trough from northern ON to the Lower CO Valley. This will overlap a similarly oriented surface front. In response to increasing mid-level height falls, a surface cyclone should track across the central Great
SPC Apr 15, 2025 0730 UTC Day 3 Severe Thunderstorm Outlook
SPC 0730Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0221 AM CDT Tue Apr 15 2025 Valid 171200Z - 181200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS IN IA/NORTHERN MO/EASTERN NE... ...SUMMARY... Scattered severe thunderstorms, with a primary threat of large hail, are possible on Thursday evening/night, centered on eastern Nebraska, northern Missouri, and Iowa. ...Synopsis... A longwave trough, consisting of multiple embedded shortwave impulses, will become established from the southern Prairie Provinces across the West to off the Baja CA coast. Peak surface cyclone amplitude is expected over western KS on Thursday
SPC Apr 14, 2025 2000 UTC Day 1 Convective Outlook
SPC 2000Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0249 PM CDT Mon Apr 14 2025 Valid 142000Z - 151200Z ...THERE IS AN ENHANCED RISK OF SEVERE THUNDERSTORMS ACROSS WEST VIRGINIA AND VIRGINIA... ...SUMMARY... Scattered strong to severe storms ongoing this afternoon will continue through early tonight from the Upper Ohio Valley eastward to the Mid-Atlantic. Large hail, severe wind gusts, and a couple of tornadoes are likely. ...20z Update OH Valley and Appalachians... Afternoon satellite imagery shows several areas of convection developing beneath a broad upper low over parts of the Midwest, Great
SPC Apr 14, 2025 1930 UTC Day 3 Severe Thunderstorm Outlook
SPC 1930Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0220 PM CDT Mon Apr 14 2025 Valid 161200Z - 171200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not forecast through Wednesday night. ...Synopsis... A broad area of isolated to scattered thunderstorms are expected across portions of the West into the northern Rockies and central Plains. This is in response to forcing for ascent increasing with a broad area of enhanced mid-level flow rounding the western US trough. Largely, thunderstorms will be disorganized and sub-severe, owing to poor moisture and weak shear profiles.