Tag: convective

SPC 1300Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0752 AM CDT Thu May 15 2025 Valid 151300Z - 161200Z ...THERE IS AN ENHANCED RISK OF SEVERE THUNDERSTORMS ACROSS EAST-CENTRAL MINNESOTA...MUCH OF WISCONSIN...SOUTHERN AND WESTERN LOWER MICHIGAN...NORTHEAST ILLINOIS...NORTHERN INDIANA AND NORTHWEST OHIO... ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER PORTIONS OF VIRGINIA AND NORTHEAST NORTH CAROLINA... ...SUMMARY... Severe thunderstorms are expected across parts of the upper Mississippi River Valley and Great Lakes this afternoon and evening. Tornadoes, some of which could be strong, and very large hail and damaging winds will be

SPC 0100Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0802 PM CDT Wed May 14 2025 Valid 150100Z - 151200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF THE CENTRAL AND NORTHERN PLAINS... ...SUMMARY... Scattered strong to severe thunderstorms will occur over parts of the Dakotas and Nebraska this evening, and across far western Iowa and southwestern Minnesota overnight. Very large hail, severe wind gusts, and a couple of tornadoes will be possible. A few marginally severe storms may also occur from the Lower Ohio Valley into the Carolinas. ...Central and

SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1128 AM CDT Wed May 14 2025 Valid 141630Z - 151200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF THE NORTHERN/CENTRAL PLAINS... ...SUMMARY... Scattered strong to severe thunderstorms should occur over parts of the Dakotas and Nebraska this afternoon and evening, and far western Iowa and southwest Minnesota overnight. Very large hail, severe wind gusts, and a couple of tornadoes all appear possible. ...Northern/Central Plains... An upper trough over the western states will pivot eastward today while gradually acquiring a negative tilt

SPC 1300Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0749 AM CDT Wed May 14 2025 Valid 141300Z - 151200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER PORTIONS OF THE CENTRAL AND NORTHERN PLAINS... ...SUMMARY... Scattered strong to severe thunderstorms are possible mainly over parts of the Dakotas and Nebraska this afternoon and evening, and far western Iowa and southwest Minnesota overnight. A few strong to severe storms may occur from parts of the southern Appalachians to the Carolinas and Mid-Atlantic this afternoon. ...Northern/Central Plains... Surface low pressure will deepen in the

SPC 0100Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0800 PM CDT Tue May 13 2025 Valid 140100Z - 141200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS EASTERN NORTH CAROLINA AN EASTERN VIRGINIA AND FROM NORTHEAST WYOMING AND SOUTHEAST MONTANA INTO THE WESTERN DAKOTAS... ...SUMMARY... Marginally severe thunderstorms remain possible this evening across eastern North Carolina and eastern Virginia and northern High Plains. ...Discussion... The thunderstorms have ended across the marginal in Mississippi and Alabama and additional development is not anticipated given waning daylight and a cooling boundary layer. A few strong

SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1122 AM CDT Tue May 13 2025 Valid 131630Z - 141200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF NORTH CAROLINA INTO THE SOUTHERN MID-ATLANTIC...CENTRAL GULF COAST STATES...AND NORTHERN PLAINS... ...SUMMARY... Isolated strong to severe thunderstorms appear possible today and tonight across parts of North Carolina into the southern Mid-Atlantic, central Gulf Coast states, and northern Plains. ...North Carolina into the Southern Mid-Atlantic... A closed mid/upper-level low will continue to slowly meander from the TN Valley towards the central Appalachians through the

SPC 1300Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0750 AM CDT Tue May 13 2025 Valid 131300Z - 141200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS PORTIONS OF THE MID-ATLANTIC...NORTHERN GREAT PLAINS...AND DEEP SOUTH... ...SUMMARY... Isolated severe thunderstorms are possible: 1) today in vicinity of Virginia-North Carolina-West Virginia, 2) during the late afternoon to mid-evening over a portion of the Deep South, and 3) this evening into early morning Wednesday in parts of the northern Great Plains. ...NC/VA/WV vicinity... The upper-level low centered near the mid-Mississippi Valley will continue to lift

SPC 0100Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0729 PM CDT Mon May 12 2025 Valid 130100Z - 131200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS IN THE SAVANNAH VALLEY TO THE COASTAL CAROLINAS...AND IN NORTHEAST MT TO FAR NORTHWEST ND... ...SUMMARY... Isolated severe thunderstorms remain possible tonight from the Savannah Valley to the coastal Carolinas, and through the rest of this evening in northeast Montana to far northwest North Dakota. ...Savannah Valley to the coastal Carolinas... Potential for strong to severe storms will remain limited across the Southeast tonight. One area

SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1130 AM CDT Mon May 12 2025 Valid 121630Z - 131200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS EASTERN MONTANA AND NORTHWEST NORTH DAKOTA... ...SUMMARY... Isolated severe thunderstorms are possible across parts of the Southeast today, where a tornado or two, localized damaging winds, and hail could occur. Isolated severe wind gusts are also possible in northeast Montana to northwest North Dakota around early evening. ...Southeast... Vertically stacked cyclone persists over the Mid-South this morning. Expectation is for this system to become more

SPC 1300Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0741 AM CDT Mon May 12 2025 Valid 121300Z - 131200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS EASTERN MONTANA AND NORTHWEST NORTH DAKOTA... ...SUMMARY... Isolated severe thunderstorms are possible across parts of the Southeast today, where a tornado or two, localized damaging winds, and hail could occur. Isolated severe wind gusts are also possible in northeast Montana to northwest North Dakota around early evening. ...Southeast States... The persistent vertically stacked mid/upper low that has been nearly stationary over the Sabine Valley/Lower Mississippi