Tag: spc

SPC 0100Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0645 PM CST Thu Jan 16 2025 Valid 170100Z - 171200Z ...NO THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorms are not expected tonight. ...01z Update... Thunderstorm potential is low tonight as deep convection remains suppressed across the southeastern Gulf Basin early this evening. Low-level warm advection is forecast to strengthen across the FL Keys late in the period, but thunderstorm activity should remain west of the southern tip of FL through sunrise. ..Darrow.. 01/17/2025 Read more

SPC 1730Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1121 AM CST Thu Jan 16 2025 Valid 171200Z - 181200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Isolated thunderstorms are possible across the Lower Mississippi and Tennessee Valleys, and central Gulf Coast region Friday night into early Saturday morning. ...Synopsis... A short-wave trough digging southeastward out of western Canada across the north-central U.S. will partially phase with a second trough moving out of the Desert Southwest across the southern Plains, resulting in evolution of large-scale troughing across the CONUS. By Saturday morning, highly amplified cyclonic

SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1000 AM CST Thu Jan 16 2025 Valid 161630Z - 171200Z ...NO THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorms are not expected through tonight. ...Synopsis and Discussion... An upper trough will continue moving eastward across the eastern CONUS and western Atlantic through the period. With surface high pressure remaining dominant over the southern Plains and Southeast, and generally offshore low-level flow over the Gulf, thunderstorm potential is forecast to remain minimal through tonight. One exception may be across the FL Keys, where weak MUCAPE should exist late

SPC 1300Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0656 AM CST Thu Jan 16 2025 Valid 161300Z - 171200Z ...NO THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorms are not expected today or tonight. ...Discussion... An eastward-progressive upper trough will influence the Eastern Seaboard and western Atlantic, with high pressure and continental trajectories pervasive east of the Rockies. An upper low off the coast of southern California and northern Baja will begin to shift toward the Southwest Deserts late today and tonight. Isolated weak convection may occur tonight across parts of central/southeast Arizona, but cool/dry thermodynamic

SPC 1200Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1109 PM CST Wed Jan 15 2025 Valid 161200Z - 171200Z ...NO THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorms are not expected. ...Discussion... Mid-level short-wave trough will dig off the Southeast Atlantic Coast early in the period. This will maintain surface ridging along the Gulf Coast from south TX to the western FL Peninsula. As a result, offshore flow will suppress instability necessary for deep convection and thunderstorms are not forecast. ..Darrow/Squitieri.. 01/16/2025 Read more

SPC 1730Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1122 AM CST Wed Jan 15 2025 Valid 161200Z - 171200Z ...NO THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorms are not expected on Thursday. ...Discussion... An upper trough over the eastern U.S. will advance slowly eastward Thursday, while the next feature -- a short-wave trough over western Canada -- digs southeastward, moving into the northwestern/north-central U.S. overnight. At the surface, cold/dry/stable conditions will persist. A pronounced cold front, associated with the digging/western upper system, will likewise shift southeastward out of Canada, but preceding high pressure will preclude