Subscribe
Subscribe

Tag: spc

Official

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
StormPrep
Official

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
StormPrep
Official

SPC Dec 13, 2024 2000 UTC Day 1 Convective Outlook

SPC 2000Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0142 PM CST Fri Dec 13 2024 Valid 132000Z - 141200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Organized severe thunderstorms appear unlikely through tonight. ...20Z Update... The previous forecast reasoning (see below) remains the same, and only minor changes were made with this update. ..Weinman.. 12/13/2024 .PREV DISCUSSION... /ISSUED 1030 AM CST Fri Dec 13 2024/ ...Southern/Central Plains into the Ozarks/ArkLaTex... A compact shortwave trough over the Great Basin this morning will move eastward across the southern/central Plains through tonight while gradually amplifying. Related low-level
StormPrep
Official

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
StormPrep
Official

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
StormPrep