Tag: outlook

Official

SPC Dec 6, 2024 0600 UTC Day 1 Convective Outlook

SPC 1200Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1147 PM CST Thu Dec 05 2024 Valid 061200Z - 071200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Isolated weak thunderstorms are possible from southeast New Mexico to central Texas today. ...Synopsis and Discussion... The large-scale pattern will begin to change today, with the deep upper trough over the northeastern CONUS lifting into eastern CA through the period. This will result in warming aloft over much of the MS/OH Valleys, Midwest and Great Lakes. To the west, a mean ridge will remain over the Pacific Coast
Official

SPC Dec 5, 2024 1730 UTC Day 2 Convective Outlook

SPC 1730Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1054 AM CST Thu Dec 05 2024 Valid 061200Z - 071200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Isolated to scattered thunderstorms are possible from southeast New Mexico to central Texas. No severe thunderstorms are expected. ...Synopsis... The upper low and attendant trough over AZ and northwest Mexico will slowly pivot eastward on Friday. As modestly enhanced midlevel southwesterly flow overspreads portions of the southern Rockies and TX, midlevel moisture also will increase. Steepening midlevel lapse rates will support weak elevated instability, and isolated thunderstorms are
Official

SPC Dec 5, 2024 1630 UTC Day 1 Convective Outlook

SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1008 AM CST Thu Dec 05 2024 Valid 051630Z - 061200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not expected through tonight. ...Synopsis... A broad and deep upper trough is present today over the eastern CONUS, with widespread stable conditions. The only areas with some risk of thunderstorms will be along the Gulf Coast this afternoon, and in vicinity of southern NM/southwest TX later tonight. In both areas, weak instability will preclude a concern for severe storms. ..Hart/Wendt.. 12/05/2024 Read more
Official

SPC Dec 5, 2024 1300 UTC Day 1 Convective Outlook

SPC 1300Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0655 AM CST Thu Dec 05 2024 Valid 051300Z - 061200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not expected through tonight. ...Discussion... An upper trough will continue to shift quickly east-northeastward today over the Lower Great Lakes and Northeast, with a secondary speed max/clipper-type wave spreading southeastward over Manitoba/northern Ontario toward the Upper Great Lakes tonight. Over the Southwest, an upper low will remain quasi-stationary over the southern Arizona and northwest Mexico vicinity. Along the middle Gulf Coast, a few isolated elevated
Official

Hydrologic Outlook issued December 4 at 4:30PM PST by NWS Seattle WA

ESFSEW A stronger storm system will move though the area over much of the weekend that could produce enough rainfall to drive the Skokomish River above flood stage. There is still a fair amount of uncertainty regarding flooding since the precipitation forecasts have been quite variable from run to run. On the low end, it would not produce a flood, but on the high end minor flooding would be likely. Snow level during the storm will not be an issue since for most of the heavy precipitation, the snow level will be 7000 to 9000 feet. Please monitor the latest
Official

SPC Dec 5, 2024 0600 UTC Day 1 Convective Outlook

SPC 1200Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1137 PM CST Wed Dec 04 2024 Valid 051200Z - 061200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Early day thunderstorms are possible across parts of northern Gulf Coast. No severe thunderstorms are expected. ...Synopsis... A deep upper low within the broader cyclonic flow regime will move quickly from the Great Lakes across the Northeast, with secondary speed max moving southeastward into the mid MS Valley late. Meanwhile, a weaker upper low will meander about northwest MX, just east of the West Coast ridge. At the
Official

SPC Dec 5, 2024 0100 UTC Day 1 Convective Outlook

SPC 0100Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0657 PM CST Wed Dec 04 2024 Valid 050100Z - 051200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Scattered thunderstorms remain possible through tonight from eastern Texas to the ArkLaMiss. Severe thunderstorms remain unlikely. ...Eastern TX into LA... A few elevated thunderstorms persist this evening over east TX, and primarily north of the warm front. Very little warm sector remains over land, but a small wedge of upper 60s F dewpoints does exist with apex near Liberty, TX. Just to the east, Beaumont is north of
Official

SPC Dec 4, 2024 1730 UTC Day 2 Convective Outlook

SPC 1730Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1117 AM CST Wed Dec 04 2024 Valid 051200Z - 061200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorms are possible across parts of south Texas and the central Gulf Coast. No severe thunderstorms are expected. ...Synopsis... A broad upper trough will persist across the eastern CONUS on Thursday. Meanwhile, an upper shortwave trough over the Southwest will deepen and modestly progress eastward, bringing enhanced southwesterly mid/upper flow across the southern Rockies vicinity. At the surface, a cold front will be oriented from southern AL southwestward
Official

SPC Dec 4, 2024 1630 UTC Day 1 Convective Outlook

SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1023 AM CST Wed Dec 04 2024 Valid 041630Z - 051200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Scattered thunderstorms are expected from North/East Texas to the ArkLaMiss today and tonight. Severe thunderstorms are not currently expected. ...Synopsis... Scattered thunderstorms continue in East Texas and will spread into the ArkLaMiss through the remainder of today/tonight. Ahead of a very weak frontal wave along the middle Texas coast, a narrow zone of surface dewpoints in upper 60s to perhaps low 70s F will have some potential to
Official

SPC Dec 4, 2024 1300 UTC Day 1 Convective Outlook

SPC 1300Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0658 AM CST Wed Dec 04 2024 Valid 041300Z - 051200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Scattered thunderstorms are expected from North/East Texas to the ArkLaMiss today and tonight. Severe thunderstorms are not currently expected. ...East/Southeast Texas to southwest Louisiana... Widely scattered elevated thunderstorms have developed through the early morning hours across east-central/parts of North Texas, with persistent convection also off the coast of South Texas near a weak surface wave, and into the maritime warm sector where a narrow zone of near 70F/lower