Tag: convective

SPC 0700Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1234 AM CST Tue Jan 07 2025 Valid 081200Z - 091200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Isolated thunderstorms will be possible Wednesday night across parts of west and central Texas. ...DISCUSSION... At mid-levels, southwesterly anticyclonic will be in place on Wednesday across the southern High Plains as a low moves through northwestern Mexico. Ahead of this system, warm advection will develop across the southern Plains as a low-level jet strengthens Wednesday night. Near this jet, lift may become strong enough for isolated thunderstorm development

SPC 1200Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1114 PM CST Mon Jan 06 2025 Valid 071200Z - 081200Z ...NO THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorm potential is very low today. ...Discussion... Mid-level speed max will strengthen as it digs south across CA and off the Baja Peninsula. This will allow a short-wave trough to settle south of the international border and close off over the northern Gulf of CA by the end of the period. Large-scale ascent/steepening lapse rates across AZ do result in some mid-level moistening that leads to very weak buoyancy;

SPC 2000Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0158 PM CST Mon Jan 06 2025 Valid 062000Z - 071200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF THE WESTERN FLORIDA PENINSULA... ...SUMMARY... Thunderstorms, one or two of which may be strong to potentially severe, will be possible across parts of western Florida through the remainder of this afternoon and early this evening. ...20z Update... Afternoon visible imagery shows the cold front has gradually moved east/southeast through the remainder of south GA and the FL Panhandle. Behind the front, the intruding

SPC 1730Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1115 AM CST Mon Jan 06 2025 Valid 071200Z - 081200Z ...NO THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorms are not expected on Tuesday through Tuesday night. ...Southwest... A positive-tilt shortwave trough will close off over the Lower CO Valley into the northern Gulf of CA vicinity by early Wednesday. The lobe of ascent downstream of the trough should largely become centered across eastern AZ on Tuesday night. Amid rather steep mid-level lapse rates, minimal elevated buoyancy emanating from below-freezing parcels should develop. While scattered light showers

SPC 0700Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1251 AM CST Mon Jan 06 2025 Valid 071200Z - 081200Z ...NO THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorms are not expected over the continental U.S. on Tuesday or Tuesday night. ...DISCUSSION... A mid-level zonal flow regime is forecast over the southeastern third of the nation on Tuesday, as a mid-level low closes off over the Desert Southwest. At the surface, cold and dry high pressure will be present over nearly the entire continental U.S., making thunderstorms unlikely Tuesday and Tuesday night. ..Broyles.. 01/06/2025 Read more

SPC 1200Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1128 PM CST Sun Jan 05 2025 Valid 061200Z - 071200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF THE SOUTHEAST... ...SUMMARY... Thunderstorms -- a couple of which may be strong to potentially severe -- will be possible across parts of the Southeast. ...Southeast... Strong 500mb speed max is forecast to translate across Alabama to the NC Coast by 07/00z. As a result, westerly flow is forecast to deepen across the Southeast/FL Peninsula through the period. Latest model guidance suggests a sharp

SPC 1730Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1119 AM CST Sun Jan 05 2025 Valid 061200Z - 071200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF SOUTHERN GEORGIA AND INTO NORTHERN AND WESTERN FLORIDA... ...SUMMARY... Thunderstorms -- a couple of which may be strong to potentially severe -- will be possible across parts of the Southeast on Monday. ...Synopsis... A weakening mid-level short-wave trough is forecast to advance quickly eastward across the central and southern Appalachians Monday, and then off the Mid-Atlantic Coast Monday night. South of this trough

SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0938 AM CST Sun Jan 05 2025 Valid 051630Z - 061200Z ...THERE IS AN ENHANCED RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF THE LOWER MISSISSIPPI VALLEY... ...SUMMARY... Severe thunderstorms are expected this afternoon and evening from the Sabine River Valley into the Mid-South and central Gulf Coast states. Tornadoes and scattered severe/damaging winds should be the primary threats. A couple of strong tornadoes may also occur. ...Synopsis... Water-vapor imagery this morning shows a mid- to upper-level trough over the central U.S. A powerful mid-level shortwave

SPC 0700Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1253 AM CST Sun Jan 05 2025 Valid 061200Z - 071200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF THE SOUTHEAST... ...SUMMARY... Thunderstorms associated with isolated severe gusts will be possible across parts of the Southeast on Monday. ...Southeast... A mid-level trough will move eastward across the Tennessee Valley and central Gulf Coast states on Monday, as a cold front advances eastward into the southern Atlantic Coastal states. Thunderstorms may be ongoing along and near the front at the start of the

SPC 1200Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1144 PM CST Sat Jan 04 2025 Valid 051200Z - 061200Z ...THERE IS AN ENHANCED RISK OF SEVERE THUNDERSTORMS ACROSS PORTIONS OF THE LOWER MISSISSIPPI VALLEY... ...SUMMARY... Strong/severe thunderstorms are expected this afternoon and evening from the Sabine River Valley into the Mid-South and lower Mississippi Valley. Severe wind gusts, tornadoes and hail will be the primary threats. ...Sabine River Valley to central Gulf States... Late-evening water-vapor imagery depicts a well-defined short-wave trough advancing east across CO/NM. This feature is forecast to strengthen as it