Tag: day

SPC 1300Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0700 AM CST Sun Dec 29 2024 Valid 291300Z - 301200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FROM THE EASTERN GULF COAST NORTHWARD INTO THE CAROLINAS AND SOUTHERN VIRGINIA... ...SUMMARY... A few tornadoes and sporadic damaging to severe gusts are possible today from the eastern Gulf Coast northward into the Carolinas and southern Virginia. More-isolated severe storms may occur across parts of the central Appalachians and Ohio Valley, and over southernmost Florida. ...Synopsis... In mid/upper levels, a progressive pattern will persist across the

SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1029 AM CST Sat Dec 28 2024 Valid 281630Z - 291200Z ...THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND TONIGHT ACROSS PORTIONS OF EAST TEXAS...LOUISIANA...CENTRAL AND SOUTHERN MISSISSIPPI...AND SOUTHWESTERN ALABAMA.... ...SUMMARY... Tornadoes (some strong with at least EF2 damage possible), severe gusts and hail are expected today into tonight. The threat area will shift eastward from parts of north and central Texas early, across east Texas and the lower Mississippi Valley today, then over the Tennessee Valley, parts of Georgia, and the

SPC 0100Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0645 PM CST Fri Dec 27 2024 Valid 280100Z - 281200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF THE CENTRAL GULF COAST... ...SUMMARY... A marginal tornado threat may continue for another hour or two across parts of the central Gulf Coast. ...Central Gulf Coast... A shortwave trough is evident on water vapor over the mid Mississippi Valley. This feature will move northeastward into the Ohio Valley this evening. At the surface, a moist airmass will remain in the central Gulf Coast

SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1024 AM CST Fri Dec 27 2024 Valid 271630Z - 281200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND EVENING FROM SOUTHEAST LA/MS INTO SOUTHWEST AL AND THE WESTERN FL PANHANDLE... ...SUMMARY... A few strong to locally severe thunderstorms could occur today across parts of the central Gulf Coast States. ...Central Gulf Coast Region... A compact negative-tilted shortwave trough that has provided occasionally strong thunderstorms to parts of southern MS/southeast LA is tracking away from the Gulf Coast region. Low-level winds are

SPC 1300Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0643 AM CST Fri Dec 27 2024 Valid 271300Z - 281200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF THE CENTRAL GULF COAST STATES... ...SUMMARY... A few strong to locally severe thunderstorms could occur today across parts of the central Gulf Coast States. ...Synopsis... In mid/upper levels, a broad area of cyclonic flow will persist around mean troughing, from the Great Basin and Rockies across the Great Plains to the Mississippi Valley. The leading shortwave trough -- in a series of them

SPC 0100Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0651 PM CST Thu Dec 26 2024 Valid 270100Z - 271200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF THE SABINE AND LOWER MISSISSIPPI VALLEYS... ...SUMMARY... Strong to severe thunderstorms, associated with severe wind gusts, hail and a few tornadoes, will move eastward across far southeast Texas, Louisiana and southern Arkansas this evening. ...Southeast Texas/Louisiana/Southern Arkansas... The latest water vapor imagery shows a mid-level trough moving across east-central Texas. At the surface, a low is in northeast Texas with a cold front

SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1013 AM CST Thu Dec 26 2024 Valid 261630Z - 271200Z ...THERE IS AN ENHANCED RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON/EVENING FOR SOUTHEAST TX... ...SUMMARY... Several tornadoes, including a strong (potentially EF2+) tornado or two, will be possible this afternoon/evening across southeast Texas. Damaging gusts of 60-70 mph and large hail of 1-1.75" in diameter will also be possible from east Texas this afternoon into Louisiana, southern Arkansas and far west central Mississippi overnight. ...East TX/LA/southern AR through tonight... Elevated convection has already formed over

SPC 1300Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0649 AM CST Thu Dec 26 2024 Valid 261300Z - 271200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER MAINLY SOUTHEAST AND EAST TEXAS INTO WESTERN AND NORTHERN LOUISIANA AND SOUTHERN ARKANSAS... ...SUMMARY... Scattered severe thunderstorms capable of all hazards are possible this afternoon and evening from the southern Plains eastward into the Ark-La-Tex and lower Mississippi Valley. ...Southern Plains/Ark-La-Tex and Lower Mississippi Valley... Water-vapor imagery this morning shows a relatively compact but potent mid-level shortwave trough over west/northwest TX, and this feature will

SPC 0100Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0658 PM CST Wed Dec 25 2024 Valid 260100Z - 261200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorms will be possible this evening into tonight from parts of the southern and central High Plains into the Southeast, and along parts of the West Coast. No severe storms are expected. ...DISCUSSION... A mid-level trough is evident on water vapor imagery over the southern Rockies. Isolated thunderstorms will be possible ahead of the trough in parts of the southern and central High Plains. Further to the east

SPC 1300Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0644 AM CST Wed Dec 25 2024 Valid 251300Z - 261200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not expected today (Christmas). ...Synopsis... Water-vapor imagery this morning shows a mid-level disturbance over the northwest Gulf Coast while another upstream and more potent shortwave trough is located over UT/AZ. The Gulf Coast disturbance will weaken during the day as it moves east across the central Gulf Coast. Limited low-level mass response is forecast across southern LA due in part to relatively cool/stable conditions via