SPC Jun 21, 2025 0600 UTC Day 1 Convective Outlook
SPC 1200Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1228 AM CDT Sat Jun 21 2025 Valid 211200Z - 221200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF THE GREAT LAKES REGION... ...SUMMARY... Thunderstorms associated with marginally severe wind gusts and hail will be possible today from the northern Plains into the Upper Mississippi Valley and Great Lakes. ...Great Lakes... A mid-level ridge will move quickly eastward into the Northeast today, as trailing shortwave trough moves through the Great Lakes. An MCS with some severe potential will likely be ongoing at
SPC Jun 21, 2025 0100 UTC Day 1 Convective Outlook
SPC 0100Z Day 1 Outlook Day 1 Convective Outlook CORR 1 NWS Storm Prediction Center Norman OK 0816 PM CDT Fri Jun 20 2025 Valid 210100Z - 211200Z ...THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF NORTH DAKOTA AND MINNESOTA... CORRECTED AREA MENTIONED IN FIRST SENTENCE OF THIRD PARAGRAPH OF DISCUSSION ...SUMMARY... A significant swath of severe winds is expected this evening and tonight from the northern Plains eastward into the upper Mississippi Valley. ...Northern Plains/Upper Mississippi Valley... Water vapor imagery currently shows a shortwave trough moving through the northern High Plains. Near the trough, a line
SPC May 21, 2025 1300 UTC Day 1 Convective Outlook
SPC 1300Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0718 AM CDT Wed May 21 2025 Valid 211300Z - 221200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS IN THE OZARKS TO MID-SOUTH AND FAR EASTERN NC... ...SUMMARY... The most likely corridors for severe storms are across parts of far eastern North Carolina this afternoon, and the Ozarks into the Mid-South this evening. ...Eastern NC and southern VA... Morning surface analysis places a low over the Piedmont with a reservoir of lower 70s dewpoints over the coastal plain of eastern NC to the south
SPC May 21, 2025 0100 UTC Day 1 Convective Outlook
SPC 0100Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0750 PM CDT Tue May 20 2025 Valid 210100Z - 211200Z ...THERE IS AN ENHANCED RISK OF SEVERE THUNDERSTORMS IN EASTERN TN...NORTHERN/CENTRAL AL AND NORTHWEST GA... ...SUMMARY... The greatest severe risk should persist this evening across eastern Tennessee, northern to central Alabama, and northwest Georgia. A few tornadoes and scattered damaging winds are likely, along with isolated large hail. ...Lower MS Valley to the Cumberland Plateau into GA and the Carolinas... A scattered to broken swath of mixed discrete supercells, clusters, and line segments is
Florida State Watch Office Morning Situation Report for Monday, April 21, 2025
Florida State Watch Office Morning Situation Report EOC Activation Level: Level 2 Meteorological Summary: Warm and dry conditions will persist across the Sunshine State as high pressure over the western Atlantic continues to dominate. A cold front will attempt to dip southward towards the state, but it won't quite reach and will keep rain chances to the north. A mixture of sunshine and cloud cover can be expected throughout the state throughout the daytime hours. Sensitive to elevated wildfire conditions will develop this afternoon throughout the lower Suwannee Valley and the interior Peninsula as relative humidity values fall near critical
SPC Apr 21, 2025 2000 UTC Day 1 Convective Outlook
SPC 2000Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0255 PM CDT Mon Apr 21 2025 Valid 212000Z - 221200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF THE UPPER OHIO VALLEY AND LOWER GREAT LAKES...AND PORTIONS OF THE SOUTHEAST... ...SUMMARY... Isolated strong to severe thunderstorms are possible today across the upper Ohio Valley/lower Great Lakes and parts of the Southeast. Damaging winds and marginally severe hail are the primary risks. ...20Z Update... The Marginal risk in the Lower Great Lakes was trimmed behind the eastward-moving frontal band of convection. Elsewhere
SPC Apr 21, 2025 1300 UTC Day 1 Convective Outlook
SPC 1300Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0730 AM CDT Mon Apr 21 2025 Valid 211300Z - 221200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF THE UPPER OHIO VALLEY AND LOWER GREAT LAKES...AND PORTIONS OF THE SOUTHEAST... ...SUMMARY... Isolated strong to severe thunderstorms are possible today across the upper Ohio Valley/lower Great Lakes and parts of the Southeast. Damaging winds and marginally severe hail are the primary risks. ...Upper Ohio Valley to the Lower Great Lakes... An upper trough with an attendant 55-70 kt mid-level jet will advance
SPC Apr 21, 2025 Day 4-8 Severe Weather Outlook
Day 4-8 Outlook Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0307 AM CDT Mon Apr 21 2025 Valid 241200Z - 291200Z ...DISCUSSION... ...Day 4/Thu -- Central/Southern Plains... Some severe thunderstorm potential is possible across the southern/central Plains on Day 4/Thu. Similar to the Day 2-3/Tue-Wed period, a low-amplitude, and generally modest deep-layer southwesterly flow regime will persist. Southerly low level flow ahead of a southward sagging front across the central Plains, and to the east of a dryline extending southward across the southern High Plains will sustain advection of Gulf moisture across the region. At least some
SPC Mar 21, 2025 1730 UTC Day 2 Convective Outlook
SPC 1730Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1211 PM CDT Fri Mar 21 2025 Valid 221200Z - 231200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS FOR PORTIONS OF EASTERN KANSAS INTO MISSOURI... ...SUMMARY... A few thunderstorms capable of producing isolated severe gusts/hail are possible Saturday night into early Sunday morning across portions of eastern Kansas into Missouri. ...Synopsis... A mid-level trough will rapidly traverse the central Rockies and eject into the Plains states as another mid-level trough moves into the Atlantic tomorrow (Saturday). Surface cyclone development should take place over the
SPC Mar 21, 2025 1630 UTC Day 1 Convective Outlook
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