SPC Mar 17, 2025 1630 UTC Day 1 Convective Outlook
SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1122 AM CDT Mon Mar 17 2025 Valid 171630Z - 181200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not forecast through tonight. ...Synopsis and Discussion... A cold front has cleared the Outer Banks and moved offshore. Still, isolated thunderstorms should persist through this afternoon across coastal NC and vicinity, as cool temperatures aloft associated with an eastward-moving upper trough support weak MUCAPE. Small hail may occur with this activity. Farther west, isolated convection appears possible this afternoon through tonight across parts of CA
SPC Mar 15, 2025 1630 UTC Day 1 Convective Outlook
SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1134 AM CDT Sat Mar 15 2025 Valid 151630Z - 161200Z ...THERE IS A HIGH RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF MISSISSIPPI AND ALABAMA... ...SUMMARY... A tornado outbreak is expected today across the central Gulf Coast States and Deep South into the Tennessee Valley. Numerous significant tornadoes, some of which should be long-track and potentially violent, are expected this afternoon and evening. The most dangerous tornado threat will begin across eastern Louisiana and Mississippi through this afternoon, spread across Alabama this afternoon into the
SPC Mar 14, 2025 1630 UTC Day 1 Convective Outlook
SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1130 AM CDT Fri Mar 14 2025 Valid 141630Z - 151200Z ...THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF THE MID MISSISSIPPI VALLEY INTO THE LOWER OHIO VALLEY AND MID-SOUTH... ...SUMMARY... A regional outbreak of severe thunderstorms is likely this afternoon through tonight across parts of the Lower/Mid Mississippi Valley and portions of the Lower Ohio Valley and Mid-South. Numerous tornadoes, several of which could be strong, widespread severe gusts ranging from 60 to 100 mph, and scattered large hail up to
SPC Feb 16, 2025 1630 UTC Day 1 Convective Outlook
SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1009 AM CST Sun Feb 16 2025 Valid 161630Z - 171200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FROM EASTERN NORTH CAROLINA NORTHWARD INTO THE DELMARVA... ...SUMMARY... Scattered damaging winds and a brief tornado are possible from eastern North Carolina into parts of the Mid-Atlantic region through the afternoon. ...Mid-Atlantic states and eastern NC... A powerful mid-level trough from the Upper Midwest into the Southeast will pivot northeast reaching New England this evening before evolving into a mid-level low. An accompanying 120-kt 500-mb jet
SPC Feb 15, 2025 1630 UTC Day 1 Convective Outlook
SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1042 AM CST Sat Feb 15 2025 Valid 151630Z - 161200Z ...THERE IS AN ENHANCED RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF THE LOWER MISSISSIPPI VALLEY...MID-SOUTH...AND SOUTHEAST... ...SUMMARY... Severe thunderstorms are expected from parts of far east Texas into much of the lower Mississippi Valley and Southeast this afternoon through the overnight. Several tornadoes and scattered to numerous damaging wind gusts should be the primary threats. A few strong tornadoes are also possible. ...Synopsis... Water-vapor imagery this morning shows a potent mid-level trough over the
SPC Feb 14, 2025 1630 UTC Day 1 Convective Outlook
SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1016 AM CST Fri Feb 14 2025 Valid 141630Z - 151200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are unlikely through tonight across the contiguous United States. ...Synopsis... Water-vapor imagery this morning shows a large-scale upper trough over the West. This feature will amplify through late tonight as a 100-kt 500mb speed max moves through the base of the trough and into northern Sonora and Chihuahua. A belt of strong southwesterly mid-level flow will extend downstream of this upper trough into the southern Great
SPC Jan 20, 2025 1630 UTC Day 1 Convective Outlook
SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1028 AM CST Mon Jan 20 2025 Valid 201630Z - 211200Z ...NO THUNDERSTORM AREAS FORECAST... ...SUMMARY... No thunderstorms are expected across the U.S. through tonight. ...Synopsis... Another surge of cold air is anticipated across the CONUS, reinforcing the polar airmass already in place. This will result in a maintenance of dry and stable conditions, with no thunderstorms anticipated. Some deeper convection is possible late tonight/early tomorrow along the middle/upper TX Coast as warm-air advection strengthens throughout the warm sector of surface low developing over the
SPC Jan 19, 2025 1630 UTC Day 1 Convective Outlook
SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1018 AM CST Sun Jan 19 2025 Valid 191630Z - 201200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS OVER THE CENTRAL FLORIDA PENINSULA... ...SUMMARY... Strong thunderstorms may impact parts of central Florida this morning into this afternoon, and pose at least some risk for a tornado and locally damaging wind gusts. ...FL Peninsula... Expansive upper troughing covers the entirety of the CONUS this morning, with moderate southwesterly flow aloft throughout the base of this trough extending from the Southeast/Gulf of Mexico across the Mid-Atlantic
SPC Jan 18, 2025 1630 UTC Day 1 Convective Outlook
SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1027 AM CST Sat Jan 18 2025 Valid 181630Z - 191200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS THE FLORIDA PANHANDLE AND ADJACENT PARTS OF SOUTHEAST ALABAMA AND SOUTHWEST GEORGIA... ...SUMMARY... Strong thunderstorms may impact parts of the eastern Gulf Coast vicinity today through tonight, and pose some risk for locally damaging wind gusts and perhaps a tornado or two. ...FL Panhandle into Southern GA... Current regional radar imagery shows showers ongoing from far southwest GA into the western FL Panhandle, along an
SPC Jan 17, 2025 1630 UTC Day 1 Convective Outlook
SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1028 AM CST Fri Jan 17 2025 Valid 171630Z - 181200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Isolated thunderstorms are possible from eastern Oklahoma into the Lower Mississippi/Tennessee Valleys and central Gulf Coast region this afternoon into early Saturday morning. ...Synopsis... Satellite imagery shows a well-defined shortwave trough moving through the southern High Plains, with another shortwave visible farther southwest in the vicinity of the northern Baja Peninsula. An extensive fetch of westerly/southwesterly flow aloft exists throughout the bases of these waves, extending from the