Tag: day

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 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 1730Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1230 PM CDT Fri Jun 20 2025 Valid 211200Z - 221200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FOR PARTS OF THE NORTHERN GREAT LAKES INTO NEW YORK AND NORTHERN PENNSYLVANIA... ...SUMMARY... Strong to locally severe storms are possible Saturday from the northern Great Plains into the Upper Midwest and Great Lakes. ...Synopsis... An amplifying pattern will occur on Saturday with a trough strengthening across the west with a ridge building across the eastern CONUS. Surface high pressure will be present across the eastern

SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1125 AM CDT Fri Jun 20 2025 Valid 201630Z - 211200Z ...THERE IS AN ENHANCED RISK OF SEVERE THUNDERSTORMS THIS EVENING AND TONIGHT FROM EASTERN MONTANA...ACROSS MUCH OF NORTH DAKOTA...INTO NORTHERN MINNESOTA.... ...SUMMARY... Severe thunderstorms are likely this afternoon into tonight from far eastern Montana eastward across the northern Plains and into the upper Mississippi Valley. Tornadoes, winds greater than 75 mph, and hailstones greater than 2 inches in diameter will all be possible. ...Eastern MT/ND/MN/WI/Upper MI... No significant changes have been made to the

SPC 1300Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0754 AM CDT Fri Jun 20 2025 Valid 201300Z - 211200Z ...THERE IS AN ENHANCED RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF THE NORTHERN PLAINS AND UPPER MISSISSIPPI VALLEY... ...SUMMARY... Severe thunderstorms are likely this afternoon into tonight from far eastern Montana eastward across the northern Plains and into the upper Mississippi Valley. Tornadoes, winds greater than 75 mph, and hailstones greater than 2 inches in diameter will all be possible. ...Northern Plains/Upper Mississippi Valley... Showers and thunderstorms have persisted throughout much of the night

SPC 0100Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0800 PM CDT Thu Jun 19 2025 Valid 200100Z - 201200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF THE NORTHERN PLAINS AND UPPER MISSISSIPPI VALLEY... ...SUMMARY... Scattered severe thunderstorms with large to very large hail and damaging wind gusts are expected across the northern Plains and upper Mississippi Valley this evening into tonight. Isolated severe gusts will also be possible from central and eastern North Carolina north-northeastward to New England. ...Northern and Central Plains/Upper Mississippi Valley... Latest water vapor imagery at

SPC 1730Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1227 PM CDT Thu Jun 19 2025 Valid 201200Z - 211200Z ...THERE IS AN ENHANCED RISK OF SEVERE THUNDERSTORMS FROM FAR EASTERN MONTANA ACROSS PARTS OF THE DAKOTAS AND MINNESOTA... ...SUMMARY... Severe thunderstorms are likely Friday into Friday night across parts of the northern Plains and upper Midwest. Areas of significant severe wind and hail are expected. ...Synopsis... Upper ridging will occur over the northern Plains during the day, as a shortwave trough and strong midlevel jet nose into the northern Rockies. Low pressure will

SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1115 AM CDT Thu Jun 19 2025 Valid 191630Z - 201200Z ...THERE IS AN ENHANCED RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND EARLY EVENING ACROSS THE MID-ATLANTIC REGION... ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS TONIGHT ACROSS THE NORTHERN PLAINS... ...SUMMARY... Severe thunderstorms are expected across much of the Mid-Atlantic region this afternoon and evening, and to a lesser extent into the Carolinas and over portions of New England. Severe/damaging wind gusts are the primary concern. An isolated large hail and damaging wind threat