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
Severe Thunderstorm Warning issued December 16 at 6:42AM CST until December 16 at 7:15AM CST by NWS St Louis MO
At 642 AM CST, severe thunderstorms were located along a line from 9 miles southwest of St. Mary to over Marquand, or along a line from 13 miles south of Ste. Genevieve to 9 miles southeast of Fredericktown, moving east at 45 mph. HAZARD...60 mph wind gusts and small hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. This severe thunderstorm will be near... Womac around 635 AM CST.
SPC Dec 15, 2024 Day 4-8 Severe Weather Outlook
Day 4-8 Outlook Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0312 AM CST Sun Dec 15 2024 Valid 181200Z - 231200Z ...DISCUSSION... A surface cold front will move south and east across the eastern and southeastern U.S. on Day 4/Wed, moving offshore the Gulf and Atlantic coasts by early Day 5/Thu. Showers and thunderstorms are possible near the cold front across parts of the Southeast and Mid-Atlantic vicinity on Day 4/Wed. However, weak instability and only modest vertical shear is expected to limit severe thunderstorm potential. After Day 4/Wed, a mean upper level trough will persist over
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 1930 UTC Day 3 Severe Thunderstorm Outlook
SPC 1930Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0116 PM CST Sat Dec 14 2024 Valid 161200Z - 171200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorm potential is expected to be low on Monday. ...Synopsis... A mid-level trough will amplify and become negatively tilted on Monday as it moves from the central Plains to the Northeast by 12Z Tuesday. A surface low will move from northern Minnesota to northern Ontario on Monday with a cold front extending from this surface low to the Great Lakes and the southern Plains. This front will
SPC Dec 14, 2024 Day 4-8 Severe Weather Outlook
Day 4-8 Outlook Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0227 AM CST Sat Dec 14 2024 Valid 171200Z - 221200Z ...DISCUSSION... An upper trough over the High Plains vicinity Day 4/Tue morning will deepen and track east to the MS Valley by Day 5/Wed, and to the Atlantic coast by Day 6/Thu. As this occurs, a cold front will move across the south-central and southeast states, pushing offshore the Gulf and Atlantic coasts by late Day 5/Wed into early Day 6/Thu. While thunderstorm potential will be possible with this system, severe potential appears limited, given weak
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 1930 UTC Day 3 Severe Thunderstorm Outlook
SPC 1930Z Day 3 Outlook Day 3 Convective Outlook NWS Storm Prediction Center Norman OK 0130 PM 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... A broad mid-level trough will move from the Great Basin on Sunday morning to the central Plains by Monday morning, amplifying early Monday morning. Lee troughing will persist through the period across the Plains which will strengthen the low-level jet and increase moisture advection into the Plains and Ozarks. Weak isentropic ascent could lead to isolated thunderstorm
SPC Dec 13, 2024 Day 4-8 Severe Weather Outlook
Day 4-8 Outlook Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0337 AM CST Fri Dec 13 2024 Valid 161200Z - 211200Z ...DISCUSSION... A shortwave upper trough will traverse the Midwest and Great Lakes region on Day 4/Mon. Meanwhile, a cold front will track southeast across the southern Plains and Mid-South vicinity, extending from northern AL toward the Upper TX Coast/south-central TX by early Day 5/Tue. Southerly low-level flow ahead of the front will bring Gulf moisture across the south and east Texas into the lower MS Valley/central Gulf coast region, aiding in modest destabilization on Monday. However
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