Tag: utc

SPC 1300Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0620 AM CST Fri Feb 28 2025 Valid 281300Z - 011200Z ...NO THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorm probabilities are very low Friday. Relatively dry and stable conditions will preclude organized thunderstorm development across the continental US today. ..Hart/Grams.. 02/28/2025 Read more

SPC 0100Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0640 PM CST Thu Feb 27 2025 Valid 280100Z - 281200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Isolated thunderstorms remain possible this evening, primarily across parts of the Mid/Upper Ohio Valley vicinity. ...01z Update... Strong upper trough is advancing across the OH/TN Valley region early this evening. Strong height falls will spread across the Mid Atlantic/Carolinas as the primary synoptic front shifts off the Atlantic Coast by 06z. Isolated thunderstorms continue ahead of a weaker, secondary surface boundary over the OH Valley, but this activity

SPC 1300Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0702 AM CST Thu Feb 27 2025 Valid 271300Z - 281200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Isolated to scattered thunderstorms are possible from the Mid and Upper Ohio Valley to the Carolinas/southern Virginia. ...Synopsis... Recent satellite imagery shows a pair of shortwave troughs moving through the broadly cyclonic flow aloft extending from the northern/central Plains and southern Canadian Prairies into the OH Valley and Northeast. The lead wave in the pair is currently over the Upper OH Valley, and should continue northeastward through the