Tag: utc

SPC 0700Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1258 AM CST Mon Dec 09 2024 Valid 101200Z - 111200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS PORTIONS OF CENTRAL AND SOUTH AL...SOUTHWEST GA...AND THE ADJACENT FL PANHANDLE... ...SUMMARY... Isolated severe thunderstorms are possible across portions of central and south Alabama, southwest Georgia, and the adjacent Florida Panhandle on Tuesday. ...Synopsis... Deep upper troughing is forecast to extend from central CA into the Southwest/northern Mexico Tuesday. This troughing will be anchored by a shortwave trough expected to move from the southern High

SPC 1200Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1150 PM CST Sun Dec 08 2024 Valid 091200Z - 101200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorms are possible from the Lower Mississippi Valley into much of the Southeast States today through early Tuesday. The probability for severe thunderstorms appears low. ...Synopsis... A weakening shortwave trough will quickly progress eastward across the lower OH river valley early this morning, and is forecast to exit off the East Coast by afternoon. In its wake, a more amplified upper wave over the Rockies will continue to

SPC 1730Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1129 AM CST Sun Dec 08 2024 Valid 091200Z - 101200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorms are possible from the Lower Mississippi Valley into much of the Southeast States on Monday. The probability for severe thunderstorms appears low. ...Synopsis... A mid/upper-level trough covering much of the CONUS is forecast to amplify further on Monday, as multiple shortwaves move through the large-scale trough. One shortwave trough is forecast to move quickly from the OH/TN Valley region toward the Mid Atlantic during the day, as

SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1013 AM CST Sun Dec 08 2024 Valid 081630Z - 091200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not expected through tonight. ...Lower MS Valley... A weak upper low is tracking northeastward across the TX Panhandle today, with the subtropical mid-level jet extending from northern Mexico into the lower MS Valley. Broad large-scale ascent has resulted in periodic episodes of thunderstorms across TX overnight and this morning. This regime is expected to shift eastward today into more of AR/LA and eventually the TN

SPC 0700Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1253 AM CST Sun Dec 08 2024 Valid 091200Z - 101200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorms are possible from the Lower Mississippi Valley into much of the Southeast States on Monday. The probability for severe thunderstorms is low. ...Synopsis and Discussion... The upper pattern is forecast to undergo significant amplification on Monday, resulting in a deep upper trough that is expected to extend across much of the CONUS by Tuesday morning. The initial evolution of this upper trough will begin as a shortwave