Tag: utc

SPC 0100Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0646 PM CST Sat Feb 22 2025 Valid 230100Z - 231200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Scattered thunderstorms remain possible from the middle and upper Texas Coast toward the Sabine Valley late today and overnight. ...Discussion... Scattered thunderstorms are currently ongoing from southeast TX into the northwestern Gulf, well north of the surface front. Periodically strong storm cores have been noted, primarily offshore, with indications of small hail. Continued cooling aloft ahead of the shortwave trough moving across TX, as well as persistent southerly

SPC 1300Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0630 AM CST Sat Feb 22 2025 Valid 221300Z - 231200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Scattered thunderstorms remain possible from the middle and upper Texas Coast toward the Sabine Valley late today and overnight. A few storms could produce some small hail. ...Synopsis... Recent satellite imagery shows a pair of shortwave troughs progressing through the southern stream, with the lead wave moving through the Ozark Plateau and the second wave dropping through AZ towards northern Mexico. The lead wave is forecast to continue

SPC 0100Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0618 PM CST Fri Feb 21 2025 Valid 220100Z - 221200Z ...NO THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorms remain unlikely through tonight. ...Discussion... High pressure will remain situated over the majority of the CONUS through tonight, with any appreciable low-level moisture well offshore into the western Gulf. While a shortwave trough will move across AZ and NM tonight, loss of heating should minimize lapse rates and instability there. ..Jewell.. 02/22/2025 Read more

SPC 2000Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0156 PM CST Fri Feb 21 2025 Valid 212000Z - 221200Z ...NO THUNDERSTORM AREAS FORECAST... ...SUMMARY... The risk for thunderstorms appears very low across the U.S. today through tonight. ...20Z Update... A small cluster of elevated convection developed earlier today across the Brush Country region of south TX, with sporadic lightning flashes noted. This elevated convection was apparently driven by sufficient ascent/moistening near the base of the EML noted on the 12Z CRP sounding, and aided by a weak midlevel shortwave trough moving across the