Tag: convective

Official

SPC Mar 7, 2025 1300 UTC Day 1 Convective Outlook

SPC 1300Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0638 AM CST Fri Mar 07 2025 Valid 071300Z - 081200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorm development will be possible in parts of the Desert Southwest and southern Plains today into tonight. The potential for severe weather is expected to remain low. ...Synopsis... Water-vapor imagery this morning shows a mid-level low and associated trough over the lower CO Valley/Baja vicinity. Models show this mid-level low moving east into NM by late tonight. In the low levels, a low initially over KS will move
Official

SPC Mar 7, 2025 0100 UTC Day 1 Convective Outlook

SPC 0100Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0650 PM CST Thu Mar 06 2025 Valid 070100Z - 071200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Isolated thunderstorms will be possible this evening from parts of central California eastward into the central High Plains. No severe weather is expected. ...DISCUSSION... The latest water vapor imagery has a pronounced dry slot extending from the Desert Southwest into the central High Plains. A mid-level low is located over northern Utah with an associated trough extending southwestward into California. Mid-level moisture is evident across much of the
Official

SPC Mar 6, 2025 1300 UTC Day 1 Convective Outlook

SPC 1300Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0646 AM CST Thu Mar 06 2025 Valid 061300Z - 071200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not forecast across the contiguous United States through tonight. ...Synopsis... A mid- to upper-level trough over the West Coast will gradually shift eastward into the Interior West as another large-scale trough over the East Coast pivots eastward into the western Atlantic. Surface high pressure will be centered over the central Gulf Coast today while a lee low develops over the central High Plains. Widely scattered
Official

SPC Mar 6, 2025 0100 UTC Day 1 Convective Outlook

SPC 0100Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0656 PM CST Wed Mar 05 2025 Valid 060100Z - 061200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF THE MID-ATLANTIC... ...SUMMARY... Marginally severe storms with isolated severe wind gusts will be possible this evening across parts of the Mid-Atlantic. ...Mid-Atlantic... A mid-level trough, evident on water vapor imagery, will move eastward across the Ohio and Tennessee Valleys this evening. At the surface, a cold front is located in the southern and central Appalachians. Ahead of the front, an axis of low-level
Official

SPC Mar 5, 2025 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 Mar 05 2025 Valid 051300Z - 061200Z ...THERE IS AN ENHANCED RISK OF SEVERE THUNDERSTORMS FROM EASTERN SOUTH CAROLINA INTO CENTRAL AND EASTERN NORTH CAROLINA AND INTO SOUTHERN AND SOUTHEAST VIRGINIA... ...SUMMARY... Severe thunderstorms capable of producing scattered damaging-wind gusts and a few tornadoes are possible today across parts of the eastern Carolinas into southeast Virginia. Other strong to severe storms may occur across parts of Florida and east Georgia, and also from the Allegheny Plateau into the Mid Atlantic. ...VA
Official

SPC Mar 5, 2025 0100 UTC Day 1 Convective Outlook

SPC 0100Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0657 PM CST Tue Mar 04 2025 Valid 050100Z - 051200Z ...THERE IS AN ENHANCED RISK OF SEVERE THUNDERSTORMS FROM THE CENTRAL GULF COAST TO SOUTHERN ALABAMA... ...SUMMARY... Severe thunderstorms with a threat for damaging winds and a few tornadoes will continue into the evening and overnight hours across portions of the Southeast. ...Southeast... A strongly forcing QLCS will continue to move across portions of southern MS/southeast LA and AL this evening, shifting east into the FL Panhandle and GA overnight. While instability will remain
Official

SPC Mar 4, 2025 1300 UTC Day 1 Convective Outlook

SPC 1300Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0657 AM CST Tue Mar 04 2025 Valid 041300Z - 051200Z ...THERE IS AN ENHANCED RISK OF SEVERE THUNDERSTORMS FROM SOUTHEASTERN OKLAHOMA/NORTHEASTERN TEXAS EAST-SOUTHEASTWARD TO SOUTHERN ALABAMA AND WESTERN PARTS OF THE FLORIDA PANHANDLE... ...SUMMARY... Severe thunderstorms with a threat for tornadoes, damaging winds, and isolated hail are possible today from eastern portions of the southern Plains into the lower Mississippi Valley and Southeast. A couple strong tornadoes will be possible. ...North and East Texas and Oklahoma eastward to the southern Appalachians/Southeast... Water-vapor imagery shows
Official

SPC Mar 4, 2025 0100 UTC Day 1 Convective Outlook

SPC 0100Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0658 PM CST Mon Mar 03 2025 Valid 040100Z - 041200Z ...THERE IS AN ENHANCED RISK OF SEVERE THUNDERSTORMS FROM CENTRAL OKLAHOMA SOUTHWARD INTO NORTH TEXAS... ...SUMMARY... Thunderstorms are forecast to develop across parts of the southern and central Plains this evening, and continue to increase overnight. A few tornadoes, damaging wind gusts, and large hail are all possible. ...Kansas/Oklahoma/Texas... Mid-level short-wave troughing -- on the southern periphery of a Four Corners area upper low -- will continue to shift eastward across the southern Rockies
Official

SPC Mar 3, 2025 1300 UTC Day 1 Convective Outlook

SPC 1300Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0646 AM CST Mon Mar 03 2025 Valid 031300Z - 041200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS LATE THIS EVENING AND TONIGHT ACROSS PORTIONS OF SOUTHEAST KANSAS...MUCH OF OKLAHOMA...AND NORTH TEXAS.... ...SUMMARY... Thunderstorms should increase this evening and merge into a squall line tonight across portions of the southern Plains. Severe gusts, large hail, and a few tornadoes are possible. ...KS/OK/TX... A large and progressive upper low is tracking eastward this morning across the Great Basin. As this system and an associated 90-100
Official

SPC Mar 3, 2025 0100 UTC Day 1 Convective Outlook

SPC 0100Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0655 PM CST Sun Mar 02 2025 Valid 030100Z - 031200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe weather is not expected for the remainder of the period. ...Discussion... Thunderstorms have weakened considerably across the western North Texas/western Oklahoma vicinity over the past couple of hours. Storms -- and the associated upper low -- will continue moving east of the primary axis of instability, which will support a continued decrease in convective intensity. Elsewhere, isolated thunderstorms will continue across portions of California and Nevada, but