SPC Jan 18, 2025 0830 UTC Day 3 Severe Thunderstorm Outlook
SPC 0830Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 1118 PM CST Fri Jan 17 2025 Valid 201200Z - 211200Z ...NO THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorms are not expected Monday into early Tuesday morning. ...Synopsis... A large-scale, mid-upper trough will dominate the CONUS, especially from the Rockies eastward. An associated arctic air mass will have enveloped the majority of the CONUS by Monday, including the southeast Atlantic and Gulf coasts. Thus, moisture/buoyancy will be negligible inland, with no appreciable threat for deep convection/lightning. ..Thompson.. 01/18/2025 Read more
SPC Jan 10, 2025 0830 UTC Day 3 Severe Thunderstorm Outlook
SPC 0830Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0141 AM CST Fri Jan 10 2025 Valid 121200Z - 131200Z ...NO THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorms are not expected on Sunday. ...Synopsis... Broad upper troughing will envelop much of the CONUS on Sunday. At the surface, a low will move across the Upper Midwest and Great Lakes. A trailing cold front attendant to this low will sweep east-southeast across the Mid and Lower MS Valleys. A secondary surface low is expected over the southern Gulf of Mexico, keeping richer moisture offshore the western/central Gulf
SPC Jan 9, 2025 0830 UTC Day 3 Severe Thunderstorm Outlook
SPC 0830Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0207 AM CST Thu Jan 09 2025 Valid 111200Z - 121200Z ...NO THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorms are not expected across the continental U.S. on Saturday and Saturday night. ...DISCUSSION... On Saturday at mid-levels, a trough will move eastward to the Atlantic Seaboard as another trough moves through the Four Corners region. At the surface, a large area of high pressure will remain over the Southeast, as another strong cold front moves southward through the central states. A relatively cold and dry airmass will remain
SPC Jan 8, 2025 0830 UTC Day 3 Severe Thunderstorm Outlook
SPC 0830Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0213 AM CST Wed Jan 08 2025 Valid 101200Z - 111200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Isolated thunderstorms may develop across parts of the Southeast on Friday, but no severe threat is expected. ...DISCUSSION... At mid-levels, southwesterly flow is forecast to be maintained over much of the Southeast on Friday, as a trough moves through the southern and central Plains. At the surface, a cold front is forecast to move eastward into the Southeast on Friday, as a surface low progresses eastward near the
SPC Jan 7, 2025 0830 UTC Day 3 Severe Thunderstorm Outlook
SPC 0830Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0215 AM CST Tue Jan 07 2025 Valid 091200Z - 101200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Isolated thunderstorms may develop from Thursday into Thursday night from parts of central Texas to the Texas Coastal Plain and into far southwest Louisiana, but no severe threat is expected. ...DISCUSSION... At mid-levels, a positively tilted trough will move through the central and southwestern U.S. on Thursday, as southwest flow remains over much of the south-central and southeastern U.S. Ahead of the system across parts of the southern
SPC Dec 17, 2024 0830 UTC Day 3 Severe Thunderstorm Outlook
SPC 0830Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0152 AM CST Tue Dec 17 2024 Valid 191200Z - 201200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not expected on Thursday. ...Synopsis... An upper trough extending along the Atlantic coast into the eastern Gulf of Mexico will shift east across FL and moving offshore early in the forecast period. Meanwhile, a shortwave trough over the northern/central Plains will deepen and pivot east, maintaining a mean upper trough over the eastern U.S. through the period. A surface cold front will be located over
SPC Dec 16, 2024 0830 UTC Day 3 Severe Thunderstorm Outlook
SPC 0830Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0203 AM CST Mon Dec 16 2024 Valid 181200Z - 191200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorms are possible from the lower Ohio Valley southwest into northeast/central Texas, as well as across the Florida Peninsula and Georgia coast on Wednesday. Severe thunderstorms are not expected. ...Synopsis... An upper trough will migrate across the eastern half of the CONUS on Wednesday. Boundary-layer moisture will remain modest across the southeast U.S., ahead of a southeast-advancing cold front extending from southern OH southwest to western TN and
SPC Dec 15, 2024 0830 UTC Day 3 Severe Thunderstorm Outlook
SPC 0830Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0159 AM CST Sun Dec 15 2024 Valid 171200Z - 181200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not expected on Tuesday. ...Synopsis... Westerly flow across much of the CONUS will become more amplified as a shortwave trough deepens and develops east from the northern/central Rockies to the Upper Midwest vicinity on Tuesday. The southwest extent of the upper trough will lag, remaining over the Southern Rockies/Four Corners vicinity. Stronger mid/upper level southwesterly flow associated with the deepening trough will extend from OK/KS
SPC Dec 14, 2024 0830 UTC Day 3 Severe Thunderstorm Outlook
SPC 0830Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0149 AM CST Sat Dec 14 2024 Valid 161200Z - 171200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorm potential is expected to be low on Monday. ...South-Central States... An upper trough over the Plains will shift east across the Midwest and into the Northeast on Monday. The bulk of stronger deep-layer flow and large-scale ascent will be focused across the Mid-MS and OH Valley region. At the surface, a cold front will develop east across the Midwest, while the southwest extent of the boundary
SPC Dec 13, 2024 0830 UTC Day 3 Severe Thunderstorm Outlook
SPC 0830Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0151 AM CST Fri Dec 13 2024 Valid 151200Z - 161200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorm potential is expected to remain limited on Sunday. ...Synopsis... An upper trough will migrate east from the Rockies into the Plains on Sunday. As this occurs, a surface low will track across the northern Plains. Meanwhile, a cold front will develop southeast across much of the northern/central Plains through the day. The front will continue southeast through the nighttime hours, becoming positioned from near Lake Michigan