Tag: 1630

SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1124 AM CDT Fri Mar 21 2025 Valid 211630Z - 221200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Severe thunderstorms are not forecast today. ...Iowa Vicinity... An upper shortwave trough will move across the Midwest today and tonight, with increasing deep-layer west/northwest flow associated with this feature overspreading the region. Boundary layer moisture will remain scant ahead of an east/southeast moving cold front sweeping across the Lower MO/Mid-MS Valley this afternoon and evening. Nevertheless, very cold temperatures aloft (near -25 C at 500 mb, as sampled

SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1110 AM CDT Thu Mar 20 2025 Valid 201630Z - 211200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Thunderstorm development will be possible today in parts of the Mid-Atlantic and northern Rockies. Severe weather is not expected. ...Eastern NC/Southeast VA... Strong heating ahead of an eastward-developing surface front will allow temperatures to continue climbing into the 70s F this afternoon. Boundary layer moisture is expected to remain modest, with surface dewpoints generally reaching the mid/upper 50s F in a narrow corridor just as the surface front

SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1059 AM CDT Wed Mar 19 2025 Valid 191630Z - 201200Z ...THERE IS AN ENHANCED RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON/EVENING FOR PARTS OF CENTRAL/NORTHERN ILLINOIS AND WEST CENTRAL INDIANA... ...SUMMARY... Scattered severe thunderstorms are possible this afternoon/evening from central/northern Illinois to western Indiana. A few tornadoes, large hail, and damaging wind gusts will be possible. ...IL/IN vicinity into early tonight... A deep (990mb) surface low over northwest MO this morning will continue to shift east into northern IL through late afternoon, and into IN/MI

SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1123 AM CDT Tue Mar 18 2025 Valid 181630Z - 191200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS TONIGHT ACROSS PARTS OF SOUTHEASTERN NEBRASKA THROUGH SOUTHWESTERN AND CENTRAL IOWA... ...SUMMARY... Isolated, marginally severe hail is possible by late tonight in a corridor from north central Kansas through central Iowa. ...Discussion... Much of the nation remains under the influence of one prominent belt of westerlies emanating from the northern mid-latitude Pacific. Within this regime, mid-level troughing is in the process of digging across the Intermountain

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 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 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