SPC Severe Thunderstorm Watch 221 Status Reports

1 month 1 week ago
WW 0221 Status Updates
STATUS REPORT ON WW 221 SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 ENE GZH TO 20 SW CSG TO 25 ESE LGC TO 25 SE ATL TO 25 W AND. FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 0675 ..MOORE..05/04/25 ATTN...WFO...BMX...FFC... STATUS REPORT FOR WS 221 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS ALC005-011-109-113-040240- AL . ALABAMA COUNTIES INCLUDED ARE BARBOUR BULLOCK PIKE RUSSELL GAC021-035-059-079-133-159-169-171-195-207-211-215-219-221-237- 263-269-293-297-040240- GA . GEORGIA COUNTIES INCLUDED ARE BIBB BUTTS CLARKE CRAWFORD GREENE JASPER JONES LAMAR MADISON MONROE MORGAN MUSCOGEE OCONEE OGLETHORPE PUTNAM TALBOT TAYLOR UPSON WALTON Read more

SPC Severe Thunderstorm Watch 221

1 month 1 week ago
WW 221 SEVERE TSTM AL GA 032235Z - 040300Z
URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 221 NWS Storm Prediction Center Norman OK 535 PM CDT Sat May 3 2025 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of East central Alabama West central into north Georgia * Effective this Saturday afternoon and evening from 535 PM until 1000 PM CDT. * Primary threats include... Scattered damaging wind gusts to 70 mph possible Scattered large hail events to 1.5 inches in diameter possible A tornado or two possible SUMMARY...A line of storms with a history of some wind damage will continue eastward across north Georgia this evening. Farther south, the environment does support supercells capable of producing isolated large hail up to 1.5 inches in diameter and damaging gusts of 60-70 mph. An isolated tornado or two may occur with the supercells and/or embedded circulations in the line. The severe thunderstorm watch area is approximately along and 50 statute miles east and west of a line from 75 miles north northeast of Atlanta GA to 20 miles south of Montgomery AL. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU1). PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A Severe Thunderstorm Watch means conditions are favorable for severe thunderstorms in and close to the watch area. Persons in these areas should be on the lookout for threatening weather conditions and listen for later statements and possible warnings. Severe thunderstorms can and occasionally do produce tornadoes. && OTHER WATCH INFORMATION...CONTINUE...WW 219...WW 220... AVIATION...A few severe thunderstorms with hail surface and aloft to 1.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A few cumulonimbi with maximum tops to 450. Mean storm motion vector 27030. ...Thompson Read more

SPC Severe Thunderstorm Watch 220 Status Reports

1 month 1 week ago
WW 0220 Status Updates
STATUS REPORT ON WW 220 SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 10 NNW EWR TO 15 ESE PHL TO 40 W ILG. ..KERR..05/04/25 ATTN...WFO...PHI... STATUS REPORT FOR WS 220 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS NJC019-021-023-027-035-041-040240- NJ . NEW JERSEY COUNTIES INCLUDED ARE HUNTERDON MERCER MIDDLESEX MORRIS SOMERSET WARREN PAC011-017-029-045-077-091-095-101-040240- PA . PENNSYLVANIA COUNTIES INCLUDED ARE BERKS BUCKS CHESTER DELAWARE LEHIGH MONTGOMERY NORTHAMPTON PHILADELPHIA THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES. Read more

SPC Severe Thunderstorm Watch 220 Status Reports

1 month 1 week ago
WW 0220 Status Updates
STATUS REPORT ON WW 220 SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 10 NNW EWR TO 15 ESE PHL TO 40 W ILG. ..KERR..05/04/25 ATTN...WFO...PHI... STATUS REPORT FOR WS 220 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS NJC019-021-023-027-035-041-040240- NJ . NEW JERSEY COUNTIES INCLUDED ARE HUNTERDON MERCER MIDDLESEX MORRIS SOMERSET WARREN PAC011-017-029-045-077-091-095-101-040240- PA . PENNSYLVANIA COUNTIES INCLUDED ARE BERKS BUCKS CHESTER DELAWARE LEHIGH MONTGOMERY NORTHAMPTON PHILADELPHIA THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES. Read more

SPC Severe Thunderstorm Watch 220

1 month 1 week ago
WW 220 SEVERE TSTM DE MD NJ PA CW 032150Z - 040300Z
URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 220 NWS Storm Prediction Center Norman OK 550 PM EDT Sat May 3 2025 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of Northern Delaware Far northeastern Maryland New Jersey East central Pennsylvania Coastal Waters * Effective this Saturday afternoon and evening from 550 PM until 1100 PM EDT. * Primary threats include... Scattered damaging wind gusts to 70 mph possible Scattered large hail events to 1.5 inches in diameter possible SUMMARY...Scattered supercells will be possible through the evening with large hail of 1-1.5 inches in diameter and isolated wind damage. Some clustering of storms now in northern Maryland could spread into the watch area later this evening. The severe thunderstorm watch area is approximately along and 45 statute miles east and west of a line from 10 miles south of Wilmington DE to 25 miles west northwest of Newark NJ. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU0). PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A Severe Thunderstorm Watch means conditions are favorable for severe thunderstorms in and close to the watch area. Persons in these areas should be on the lookout for threatening weather conditions and listen for later statements and possible warnings. Severe thunderstorms can and occasionally do produce tornadoes. && OTHER WATCH INFORMATION...CONTINUE...WW 218...WW 219... AVIATION...A few severe thunderstorms with hail surface and aloft to 1.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A few cumulonimbi with maximum tops to 450. Mean storm motion vector 25025. ...Thompson Read more

SPC Severe Thunderstorm Watch 219 Status Reports

1 month 1 week ago
WW 0219 Status Updates
STATUS REPORT ON WW 219 SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 35 W ILG TO 35 E CXY. REMAINING VALID PORTION OF WW 219 COULD BE CANCELLED PRIOR TO 04/02Z, OTHERWISE WW 219 MAY BE ALLOWED TO EXPIRE AT 04/02Z. ..KERR..05/04/25 ATTN...WFO...LWX...CTP... STATUS REPORT FOR WS 219 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS MDC015-040200- MD . MARYLAND COUNTIES INCLUDED ARE CECIL PAC071-040200- PA . PENNSYLVANIA COUNTIES INCLUDED ARE LANCASTER THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES. Read more

SPC Severe Thunderstorm Watch 219 Status Reports

1 month 1 week ago
WW 0219 Status Updates
STATUS REPORT ON WW 219 SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 35 W ILG TO 35 E CXY. REMAINING VALID PORTION OF WW 219 COULD BE CANCELLED PRIOR TO 04/02Z, OTHERWISE WW 219 MAY BE ALLOWED TO EXPIRE AT 04/02Z. ..KERR..05/04/25 ATTN...WFO...LWX...CTP... STATUS REPORT FOR WS 219 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS MDC015-040200- MD . MARYLAND COUNTIES INCLUDED ARE CECIL PAC071-040200- PA . PENNSYLVANIA COUNTIES INCLUDED ARE LANCASTER THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES. Read more

SPC Severe Thunderstorm Watch 219

1 month 1 week ago
WW 219 SEVERE TSTM DC MD PA VA WV CW 032035Z - 040200Z
URGENT - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Watch Number 219 NWS Storm Prediction Center Norman OK 435 PM EDT Sat May 3 2025 The NWS Storm Prediction Center has issued a * Severe Thunderstorm Watch for portions of District Of Columbia Central into Northeast Maryland Southeast Pennsylvania Northern Virginia The Far Eastern West Virginia Panhandle Coastal Waters * Effective this Saturday afternoon and evening from 435 PM until 1000 PM EDT. * Primary threats include... Scattered damaging wind gusts to 70 mph possible Scattered large hail events to 1.5 inches in diameter possible A tornado or two possible SUMMARY...Isolated to widely scattered supercells should pose some threat for severe hail around 1-1.5 inches in diameter and damaging winds late this afternoon into the evening. A tornado or two may also occur. The severe thunderstorm watch area is approximately along and 35 statute miles east and west of a line from 65 miles north of Baltimore MD to 65 miles southwest of Washington DC. For a complete depiction of the watch see the associated watch outline update (WOUS64 KWNS WOU9). PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A Severe Thunderstorm Watch means conditions are favorable for severe thunderstorms in and close to the watch area. Persons in these areas should be on the lookout for threatening weather conditions and listen for later statements and possible warnings. Severe thunderstorms can and occasionally do produce tornadoes. && OTHER WATCH INFORMATION...CONTINUE...WW 218... AVIATION...A few severe thunderstorms with hail surface and aloft to 1.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A few cumulonimbi with maximum tops to 450. Mean storm motion vector 24035. ...Gleason Read more

SPC May 4, 2025 0100 UTC Day 1 Convective Outlook

1 month 1 week ago
SPC 0100Z Day 1 Outlook
Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0800 PM CDT Sat May 03 2025 Valid 040100Z - 041200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FOR SOUTHEAST AL...CENTRAL/NORTHERN GA...UPSTATE SC...AND ALSO FOR PARTS OF THE NORTHERN MID ATLANTIC... ...SUMMARY... Strong to severe storms remain possible tonight from the Southeast into parts of the Mid Atlantic and Northeast. ...Southeast into the Mid Atlantic/Northeast... A cluster of strong to locally severe storms is moving across parts of central/south AL into north GA this evening, generally along and just ahead of a cold front. Favorable ascent related to a midlevel cyclone anchored over the mid MS/lower OH Valleys may help to sustain these storms through part of the evening as they move eastward, with a threat of locally damaging gusts, localized hail, and possibly a tornado or two. Additional strong to locally severe storms may also continue this evening within a somewhat more moist and unstable environment from south AL into the FL Panhandle. There is some potential for strong storms to spread into the northern FL Peninsula overnight, within a relatively unstable and favorably sheared environment. From the Carolinas into the Mid Atlantic, multiple storm clusters are moving northeastward within a narrow axis of modest instability. Moderate deep-layer shear will continue to support occasionally organized convection and potential for isolated damaging wind and hail. A general weakening trend is expected with time through the evening across the Mid Atlantic, as remaining instability continues to diminish. Overnight across the Carolinas, a few strong storms may move in from the west and/or develop in place, aided by a modestly strengthening low-level jet. ...Far West Texas... A couple small but relatively organized cells are ongoing across Far West TX early this evening. MLCAPE of around 500 J/kg and sufficient deep-layer shear will continue to support potential for isolated strong storms through the evening, with isolated hail possible. ...Parts of NV/ID/OR... High-based convection has produced occasional strong to locally severe gusts across parts of NV through the afternoon. Steep low-level lapse rates could may continue to support localized severe-gust potential through the early evening, before the already meager buoyancy diminishes with the onset of nocturnal cooling. ..Dean.. 05/04/2025 Read more

SPC May 4, 2025 0100 UTC Day 1 Convective Outlook

1 month 1 week ago
SPC 0100Z Day 1 Outlook
Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0800 PM CDT Sat May 03 2025 Valid 040100Z - 041200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FOR SOUTHEAST AL...CENTRAL/NORTHERN GA...UPSTATE SC...AND ALSO FOR PARTS OF THE NORTHERN MID ATLANTIC... ...SUMMARY... Strong to severe storms remain possible tonight from the Southeast into parts of the Mid Atlantic and Northeast. ...Southeast into the Mid Atlantic/Northeast... A cluster of strong to locally severe storms is moving across parts of central/south AL into north GA this evening, generally along and just ahead of a cold front. Favorable ascent related to a midlevel cyclone anchored over the mid MS/lower OH Valleys may help to sustain these storms through part of the evening as they move eastward, with a threat of locally damaging gusts, localized hail, and possibly a tornado or two. Additional strong to locally severe storms may also continue this evening within a somewhat more moist and unstable environment from south AL into the FL Panhandle. There is some potential for strong storms to spread into the northern FL Peninsula overnight, within a relatively unstable and favorably sheared environment. From the Carolinas into the Mid Atlantic, multiple storm clusters are moving northeastward within a narrow axis of modest instability. Moderate deep-layer shear will continue to support occasionally organized convection and potential for isolated damaging wind and hail. A general weakening trend is expected with time through the evening across the Mid Atlantic, as remaining instability continues to diminish. Overnight across the Carolinas, a few strong storms may move in from the west and/or develop in place, aided by a modestly strengthening low-level jet. ...Far West Texas... A couple small but relatively organized cells are ongoing across Far West TX early this evening. MLCAPE of around 500 J/kg and sufficient deep-layer shear will continue to support potential for isolated strong storms through the evening, with isolated hail possible. ...Parts of NV/ID/OR... High-based convection has produced occasional strong to locally severe gusts across parts of NV through the afternoon. Steep low-level lapse rates could may continue to support localized severe-gust potential through the early evening, before the already meager buoyancy diminishes with the onset of nocturnal cooling. ..Dean.. 05/04/2025 Read more

SPC May 4, 2025 0100 UTC Day 1 Convective Outlook

1 month 1 week ago
SPC 0100Z Day 1 Outlook
Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0800 PM CDT Sat May 03 2025 Valid 040100Z - 041200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FOR SOUTHEAST AL...CENTRAL/NORTHERN GA...UPSTATE SC...AND ALSO FOR PARTS OF THE NORTHERN MID ATLANTIC... ...SUMMARY... Strong to severe storms remain possible tonight from the Southeast into parts of the Mid Atlantic and Northeast. ...Southeast into the Mid Atlantic/Northeast... A cluster of strong to locally severe storms is moving across parts of central/south AL into north GA this evening, generally along and just ahead of a cold front. Favorable ascent related to a midlevel cyclone anchored over the mid MS/lower OH Valleys may help to sustain these storms through part of the evening as they move eastward, with a threat of locally damaging gusts, localized hail, and possibly a tornado or two. Additional strong to locally severe storms may also continue this evening within a somewhat more moist and unstable environment from south AL into the FL Panhandle. There is some potential for strong storms to spread into the northern FL Peninsula overnight, within a relatively unstable and favorably sheared environment. From the Carolinas into the Mid Atlantic, multiple storm clusters are moving northeastward within a narrow axis of modest instability. Moderate deep-layer shear will continue to support occasionally organized convection and potential for isolated damaging wind and hail. A general weakening trend is expected with time through the evening across the Mid Atlantic, as remaining instability continues to diminish. Overnight across the Carolinas, a few strong storms may move in from the west and/or develop in place, aided by a modestly strengthening low-level jet. ...Far West Texas... A couple small but relatively organized cells are ongoing across Far West TX early this evening. MLCAPE of around 500 J/kg and sufficient deep-layer shear will continue to support potential for isolated strong storms through the evening, with isolated hail possible. ...Parts of NV/ID/OR... High-based convection has produced occasional strong to locally severe gusts across parts of NV through the afternoon. Steep low-level lapse rates could may continue to support localized severe-gust potential through the early evening, before the already meager buoyancy diminishes with the onset of nocturnal cooling. ..Dean.. 05/04/2025 Read more

SPC May 4, 2025 0100 UTC Day 1 Convective Outlook

1 month 1 week ago
SPC 0100Z Day 1 Outlook
Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0800 PM CDT Sat May 03 2025 Valid 040100Z - 041200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FOR SOUTHEAST AL...CENTRAL/NORTHERN GA...UPSTATE SC...AND ALSO FOR PARTS OF THE NORTHERN MID ATLANTIC... ...SUMMARY... Strong to severe storms remain possible tonight from the Southeast into parts of the Mid Atlantic and Northeast. ...Southeast into the Mid Atlantic/Northeast... A cluster of strong to locally severe storms is moving across parts of central/south AL into north GA this evening, generally along and just ahead of a cold front. Favorable ascent related to a midlevel cyclone anchored over the mid MS/lower OH Valleys may help to sustain these storms through part of the evening as they move eastward, with a threat of locally damaging gusts, localized hail, and possibly a tornado or two. Additional strong to locally severe storms may also continue this evening within a somewhat more moist and unstable environment from south AL into the FL Panhandle. There is some potential for strong storms to spread into the northern FL Peninsula overnight, within a relatively unstable and favorably sheared environment. From the Carolinas into the Mid Atlantic, multiple storm clusters are moving northeastward within a narrow axis of modest instability. Moderate deep-layer shear will continue to support occasionally organized convection and potential for isolated damaging wind and hail. A general weakening trend is expected with time through the evening across the Mid Atlantic, as remaining instability continues to diminish. Overnight across the Carolinas, a few strong storms may move in from the west and/or develop in place, aided by a modestly strengthening low-level jet. ...Far West Texas... A couple small but relatively organized cells are ongoing across Far West TX early this evening. MLCAPE of around 500 J/kg and sufficient deep-layer shear will continue to support potential for isolated strong storms through the evening, with isolated hail possible. ...Parts of NV/ID/OR... High-based convection has produced occasional strong to locally severe gusts across parts of NV through the afternoon. Steep low-level lapse rates could may continue to support localized severe-gust potential through the early evening, before the already meager buoyancy diminishes with the onset of nocturnal cooling. ..Dean.. 05/04/2025 Read more

SPC May 4, 2025 0100 UTC Day 1 Convective Outlook

1 month 1 week ago
SPC 0100Z Day 1 Outlook
Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0800 PM CDT Sat May 03 2025 Valid 040100Z - 041200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FOR SOUTHEAST AL...CENTRAL/NORTHERN GA...UPSTATE SC...AND ALSO FOR PARTS OF THE NORTHERN MID ATLANTIC... ...SUMMARY... Strong to severe storms remain possible tonight from the Southeast into parts of the Mid Atlantic and Northeast. ...Southeast into the Mid Atlantic/Northeast... A cluster of strong to locally severe storms is moving across parts of central/south AL into north GA this evening, generally along and just ahead of a cold front. Favorable ascent related to a midlevel cyclone anchored over the mid MS/lower OH Valleys may help to sustain these storms through part of the evening as they move eastward, with a threat of locally damaging gusts, localized hail, and possibly a tornado or two. Additional strong to locally severe storms may also continue this evening within a somewhat more moist and unstable environment from south AL into the FL Panhandle. There is some potential for strong storms to spread into the northern FL Peninsula overnight, within a relatively unstable and favorably sheared environment. From the Carolinas into the Mid Atlantic, multiple storm clusters are moving northeastward within a narrow axis of modest instability. Moderate deep-layer shear will continue to support occasionally organized convection and potential for isolated damaging wind and hail. A general weakening trend is expected with time through the evening across the Mid Atlantic, as remaining instability continues to diminish. Overnight across the Carolinas, a few strong storms may move in from the west and/or develop in place, aided by a modestly strengthening low-level jet. ...Far West Texas... A couple small but relatively organized cells are ongoing across Far West TX early this evening. MLCAPE of around 500 J/kg and sufficient deep-layer shear will continue to support potential for isolated strong storms through the evening, with isolated hail possible. ...Parts of NV/ID/OR... High-based convection has produced occasional strong to locally severe gusts across parts of NV through the afternoon. Steep low-level lapse rates could may continue to support localized severe-gust potential through the early evening, before the already meager buoyancy diminishes with the onset of nocturnal cooling. ..Dean.. 05/04/2025 Read more

SPC May 4, 2025 0100 UTC Day 1 Convective Outlook

1 month 1 week ago
SPC 0100Z Day 1 Outlook
Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0800 PM CDT Sat May 03 2025 Valid 040100Z - 041200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FOR SOUTHEAST AL...CENTRAL/NORTHERN GA...UPSTATE SC...AND ALSO FOR PARTS OF THE NORTHERN MID ATLANTIC... ...SUMMARY... Strong to severe storms remain possible tonight from the Southeast into parts of the Mid Atlantic and Northeast. ...Southeast into the Mid Atlantic/Northeast... A cluster of strong to locally severe storms is moving across parts of central/south AL into north GA this evening, generally along and just ahead of a cold front. Favorable ascent related to a midlevel cyclone anchored over the mid MS/lower OH Valleys may help to sustain these storms through part of the evening as they move eastward, with a threat of locally damaging gusts, localized hail, and possibly a tornado or two. Additional strong to locally severe storms may also continue this evening within a somewhat more moist and unstable environment from south AL into the FL Panhandle. There is some potential for strong storms to spread into the northern FL Peninsula overnight, within a relatively unstable and favorably sheared environment. From the Carolinas into the Mid Atlantic, multiple storm clusters are moving northeastward within a narrow axis of modest instability. Moderate deep-layer shear will continue to support occasionally organized convection and potential for isolated damaging wind and hail. A general weakening trend is expected with time through the evening across the Mid Atlantic, as remaining instability continues to diminish. Overnight across the Carolinas, a few strong storms may move in from the west and/or develop in place, aided by a modestly strengthening low-level jet. ...Far West Texas... A couple small but relatively organized cells are ongoing across Far West TX early this evening. MLCAPE of around 500 J/kg and sufficient deep-layer shear will continue to support potential for isolated strong storms through the evening, with isolated hail possible. ...Parts of NV/ID/OR... High-based convection has produced occasional strong to locally severe gusts across parts of NV through the afternoon. Steep low-level lapse rates could may continue to support localized severe-gust potential through the early evening, before the already meager buoyancy diminishes with the onset of nocturnal cooling. ..Dean.. 05/04/2025 Read more

SPC May 4, 2025 0100 UTC Day 1 Convective Outlook

1 month 1 week ago
SPC 0100Z Day 1 Outlook
Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0800 PM CDT Sat May 03 2025 Valid 040100Z - 041200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FOR SOUTHEAST AL...CENTRAL/NORTHERN GA...UPSTATE SC...AND ALSO FOR PARTS OF THE NORTHERN MID ATLANTIC... ...SUMMARY... Strong to severe storms remain possible tonight from the Southeast into parts of the Mid Atlantic and Northeast. ...Southeast into the Mid Atlantic/Northeast... A cluster of strong to locally severe storms is moving across parts of central/south AL into north GA this evening, generally along and just ahead of a cold front. Favorable ascent related to a midlevel cyclone anchored over the mid MS/lower OH Valleys may help to sustain these storms through part of the evening as they move eastward, with a threat of locally damaging gusts, localized hail, and possibly a tornado or two. Additional strong to locally severe storms may also continue this evening within a somewhat more moist and unstable environment from south AL into the FL Panhandle. There is some potential for strong storms to spread into the northern FL Peninsula overnight, within a relatively unstable and favorably sheared environment. From the Carolinas into the Mid Atlantic, multiple storm clusters are moving northeastward within a narrow axis of modest instability. Moderate deep-layer shear will continue to support occasionally organized convection and potential for isolated damaging wind and hail. A general weakening trend is expected with time through the evening across the Mid Atlantic, as remaining instability continues to diminish. Overnight across the Carolinas, a few strong storms may move in from the west and/or develop in place, aided by a modestly strengthening low-level jet. ...Far West Texas... A couple small but relatively organized cells are ongoing across Far West TX early this evening. MLCAPE of around 500 J/kg and sufficient deep-layer shear will continue to support potential for isolated strong storms through the evening, with isolated hail possible. ...Parts of NV/ID/OR... High-based convection has produced occasional strong to locally severe gusts across parts of NV through the afternoon. Steep low-level lapse rates could may continue to support localized severe-gust potential through the early evening, before the already meager buoyancy diminishes with the onset of nocturnal cooling. ..Dean.. 05/04/2025 Read more

SPC May 4, 2025 0100 UTC Day 1 Convective Outlook

1 month 1 week ago
SPC 0100Z Day 1 Outlook
Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0800 PM CDT Sat May 03 2025 Valid 040100Z - 041200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FOR SOUTHEAST AL...CENTRAL/NORTHERN GA...UPSTATE SC...AND ALSO FOR PARTS OF THE NORTHERN MID ATLANTIC... ...SUMMARY... Strong to severe storms remain possible tonight from the Southeast into parts of the Mid Atlantic and Northeast. ...Southeast into the Mid Atlantic/Northeast... A cluster of strong to locally severe storms is moving across parts of central/south AL into north GA this evening, generally along and just ahead of a cold front. Favorable ascent related to a midlevel cyclone anchored over the mid MS/lower OH Valleys may help to sustain these storms through part of the evening as they move eastward, with a threat of locally damaging gusts, localized hail, and possibly a tornado or two. Additional strong to locally severe storms may also continue this evening within a somewhat more moist and unstable environment from south AL into the FL Panhandle. There is some potential for strong storms to spread into the northern FL Peninsula overnight, within a relatively unstable and favorably sheared environment. From the Carolinas into the Mid Atlantic, multiple storm clusters are moving northeastward within a narrow axis of modest instability. Moderate deep-layer shear will continue to support occasionally organized convection and potential for isolated damaging wind and hail. A general weakening trend is expected with time through the evening across the Mid Atlantic, as remaining instability continues to diminish. Overnight across the Carolinas, a few strong storms may move in from the west and/or develop in place, aided by a modestly strengthening low-level jet. ...Far West Texas... A couple small but relatively organized cells are ongoing across Far West TX early this evening. MLCAPE of around 500 J/kg and sufficient deep-layer shear will continue to support potential for isolated strong storms through the evening, with isolated hail possible. ...Parts of NV/ID/OR... High-based convection has produced occasional strong to locally severe gusts across parts of NV through the afternoon. Steep low-level lapse rates could may continue to support localized severe-gust potential through the early evening, before the already meager buoyancy diminishes with the onset of nocturnal cooling. ..Dean.. 05/04/2025 Read more

SPC May 4, 2025 0100 UTC Day 1 Convective Outlook

1 month 1 week ago
SPC 0100Z Day 1 Outlook
Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0800 PM CDT Sat May 03 2025 Valid 040100Z - 041200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FOR SOUTHEAST AL...CENTRAL/NORTHERN GA...UPSTATE SC...AND ALSO FOR PARTS OF THE NORTHERN MID ATLANTIC... ...SUMMARY... Strong to severe storms remain possible tonight from the Southeast into parts of the Mid Atlantic and Northeast. ...Southeast into the Mid Atlantic/Northeast... A cluster of strong to locally severe storms is moving across parts of central/south AL into north GA this evening, generally along and just ahead of a cold front. Favorable ascent related to a midlevel cyclone anchored over the mid MS/lower OH Valleys may help to sustain these storms through part of the evening as they move eastward, with a threat of locally damaging gusts, localized hail, and possibly a tornado or two. Additional strong to locally severe storms may also continue this evening within a somewhat more moist and unstable environment from south AL into the FL Panhandle. There is some potential for strong storms to spread into the northern FL Peninsula overnight, within a relatively unstable and favorably sheared environment. From the Carolinas into the Mid Atlantic, multiple storm clusters are moving northeastward within a narrow axis of modest instability. Moderate deep-layer shear will continue to support occasionally organized convection and potential for isolated damaging wind and hail. A general weakening trend is expected with time through the evening across the Mid Atlantic, as remaining instability continues to diminish. Overnight across the Carolinas, a few strong storms may move in from the west and/or develop in place, aided by a modestly strengthening low-level jet. ...Far West Texas... A couple small but relatively organized cells are ongoing across Far West TX early this evening. MLCAPE of around 500 J/kg and sufficient deep-layer shear will continue to support potential for isolated strong storms through the evening, with isolated hail possible. ...Parts of NV/ID/OR... High-based convection has produced occasional strong to locally severe gusts across parts of NV through the afternoon. Steep low-level lapse rates could may continue to support localized severe-gust potential through the early evening, before the already meager buoyancy diminishes with the onset of nocturnal cooling. ..Dean.. 05/04/2025 Read more

SPC May 4, 2025 0100 UTC Day 1 Convective Outlook

1 month 1 week ago
SPC 0100Z Day 1 Outlook
Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0800 PM CDT Sat May 03 2025 Valid 040100Z - 041200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FOR SOUTHEAST AL...CENTRAL/NORTHERN GA...UPSTATE SC...AND ALSO FOR PARTS OF THE NORTHERN MID ATLANTIC... ...SUMMARY... Strong to severe storms remain possible tonight from the Southeast into parts of the Mid Atlantic and Northeast. ...Southeast into the Mid Atlantic/Northeast... A cluster of strong to locally severe storms is moving across parts of central/south AL into north GA this evening, generally along and just ahead of a cold front. Favorable ascent related to a midlevel cyclone anchored over the mid MS/lower OH Valleys may help to sustain these storms through part of the evening as they move eastward, with a threat of locally damaging gusts, localized hail, and possibly a tornado or two. Additional strong to locally severe storms may also continue this evening within a somewhat more moist and unstable environment from south AL into the FL Panhandle. There is some potential for strong storms to spread into the northern FL Peninsula overnight, within a relatively unstable and favorably sheared environment. From the Carolinas into the Mid Atlantic, multiple storm clusters are moving northeastward within a narrow axis of modest instability. Moderate deep-layer shear will continue to support occasionally organized convection and potential for isolated damaging wind and hail. A general weakening trend is expected with time through the evening across the Mid Atlantic, as remaining instability continues to diminish. Overnight across the Carolinas, a few strong storms may move in from the west and/or develop in place, aided by a modestly strengthening low-level jet. ...Far West Texas... A couple small but relatively organized cells are ongoing across Far West TX early this evening. MLCAPE of around 500 J/kg and sufficient deep-layer shear will continue to support potential for isolated strong storms through the evening, with isolated hail possible. ...Parts of NV/ID/OR... High-based convection has produced occasional strong to locally severe gusts across parts of NV through the afternoon. Steep low-level lapse rates could may continue to support localized severe-gust potential through the early evening, before the already meager buoyancy diminishes with the onset of nocturnal cooling. ..Dean.. 05/04/2025 Read more

SPC Severe Thunderstorm Watch 221 Status Reports

1 month 1 week ago
WW 0221 Status Updates
STATUS REPORT ON WW 221 SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 35 WNW GZH TO 15 NNE AUO TO 45 WNW AND. FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 0675 ..MOORE..05/04/25 ATTN...WFO...BMX...FFC... STATUS REPORT FOR WS 221 SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS ALC005-011-081-087-101-109-113-040140- AL . ALABAMA COUNTIES INCLUDED ARE BARBOUR BULLOCK LEE MACON MONTGOMERY PIKE RUSSELL GAC011-013-035-063-077-089-113-135-139-145-151-157-171-199-215- 217-231-247-255-263-285-293-297-040140- GA . GEORGIA COUNTIES INCLUDED ARE BANKS BARROW BUTTS CLAYTON COWETA DEKALB FAYETTE GWINNETT HALL HARRIS HENRY JACKSON LAMAR MERIWETHER MUSCOGEE NEWTON PIKE ROCKDALE SPALDING TALBOT TROUP Read more

SPC MD 673

1 month 1 week ago
MD 0673 CONCERNING SEVERE POTENTIAL...WATCH UNLIKELY FOR SOUTH CAROLINA INTO SOUTH-CENTRAL NORTH CAROLINA
Mesoscale Discussion 0673 NWS Storm Prediction Center Norman OK 0536 PM CDT Sat May 03 2025 Areas affected...South Carolina into south-central North Carolina Concerning...Severe potential...Watch unlikely Valid 032236Z - 040030Z Probability of Watch Issuance...20 percent SUMMARY...Scattered thunderstorms will linger within an environment supportive of organized convection for the next couple of hours. Severe thunderstorm coverage and longevity is expected to remain sufficiently limited to preclude watch issuance. DISCUSSION...Across central SC, scattered thunderstorms continue to develop along the eastern flank of an expanding cold pool deposited by prior convection. Ahead of this boundary, temperatures are warming into the upper 70s and low 80s - a few degrees warmer than anticipated by some guidance - and southeasterly low-level flow is advecting low 60s dewpoints northward ahead of the ongoing convection. This is not only promoting slightly better buoyancy than depicted by guidance and recent mesoanalysis estimates, but is also maintaining a narrow warm sector ahead of the storms. Regional VWPs are sampling modest wind profiles with 0-6 km BWD values around 30 knots, which may promote periodic organization/intensification of ongoing convection with an attendant hail/damaging wind threat. A recent trend of cooling cloud-top temperatures over the past 30 minutes supports the idea that at least a low-end severe threat could materialize in the near term (next 1-2 hours). While sufficient for organized convection, deep-layer shear vectors are largely along the outflow boundary and/or into the residual cold pool. Consequently, this may limit storm longevity/intensity and should modulate the overall severe threat as this activity continues to propagate north/northeast into south-central NC. Additionally, the onset of nocturnal cooling in the coming hours should begin to diminish buoyancy and lead to an overall weakening trend after roughly 00 UTC. ..Moore/Thompson.. 05/03/2025 ...Please see www.spc.noaa.gov for graphic product... ATTN...WFO...RAH...ILM...CHS...CAE... LAT...LON 32958127 33528109 35437991 35757958 35837902 35837873 35727851 35567842 35497841 35247852 33637990 32958055 32808073 32758092 32788111 32958127 MOST PROBABLE PEAK WIND GUST...UP TO 60 MPH MOST PROBABLE PEAK HAIL SIZE...UP TO 1.25 IN Read more
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