Current National US Radar Composite


SPC Tornado/Severe Thunderstorm Watches

Storm Prediction Center
  • SPC Severe Thunderstorm Watch 464
    WW 464 SEVERE TSTM NJ NY PA 222020Z - 230400Z
    
    URGENT - IMMEDIATE BROADCAST REQUESTED
    Severe Thunderstorm Watch Number 464
    NWS Storm Prediction Center Norman OK
    420 PM EDT Tue Aug 22 2017
    
    The NWS Storm Prediction Center has issued a
    
    * Severe Thunderstorm Watch for portions of 
      Western New Jersey
      Southeast New York
      Central and eastern Pennsylvania
    
    * Effective this Tuesday afternoon from 420 PM until Midnight
      EDT.
    
    * Primary threats include...
      Scattered damaging wind gusts to 70 mph possible
    
    SUMMARY...Multiple thunderstorm lines should move east from western
    New York and Pennsylvania through this evening. Scattered damaging
    winds are the primary hazard.
    
    The severe thunderstorm watch area is approximately along and 70
    statute miles east and west of a line from 35 miles east of
    Hagerstown MD to 40 miles north of Poughkeepsie NY. For a complete
    depiction of the watch see the associated watch outline update
    (WOUS64 KWNS WOU4).
    
    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 461...WW 462...WW 463...
    
    AVIATION...A few severe thunderstorms with hail surface and aloft to
    1 inch. Extreme turbulence and surface wind gusts to 60 knots. A few
    cumulonimbi with maximum tops to 450. Mean storm motion vector
    26030.
    
    ...Grams
    
    
    Read more
  • SPC Severe Thunderstorm Watch 463
    WW 463 SEVERE TSTM CT MA ME NH NY VT 221955Z - 230400Z
    
    URGENT - IMMEDIATE BROADCAST REQUESTED
    Severe Thunderstorm Watch Number 463
    NWS Storm Prediction Center Norman OK
    355 PM EDT Tue Aug 22 2017
    
    The NWS Storm Prediction Center has issued a
    
    * Severe Thunderstorm Watch for portions of 
      Western Connecticut
      Western Massachusetts
      Western Maine
      New Hampshire
      Eastern New York
      Vermont
    
    * Effective this Tuesday afternoon from 355 PM until Midnight
      EDT.
    
    * Primary threats include...
      Scattered damaging wind gusts to 70 mph likely
      A tornado or two possible
    
    SUMMARY...Lines of thunderstorms will move east from western and
    central New York through this evening. Scattered damaging winds from
    strong gusts are likely with a tornado or two possible, particularly
    over the Hudson Valley.
    
    The severe thunderstorm watch area is approximately along and 60
    statute miles east and west of a line from 30 miles north northwest
    of Berlin NH to 55 miles south southwest of Pittsfield MA. For a
    complete depiction of the watch see the associated watch outline
    update (WOUS64 KWNS WOU3).
    
    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 461...WW 462...
    
    AVIATION...A few severe thunderstorms with hail surface and aloft to
    1 inch. Extreme turbulence and surface wind gusts to 60 knots. A few
    cumulonimbi with maximum tops to 450. Mean storm motion vector
    25035.
    
    ...Grams
    
    
    Read more
  • SPC Severe Thunderstorm Watch 462
    WW 462 SEVERE TSTM IN KY MD OH PA WV 221640Z - 230100Z
    
    URGENT - IMMEDIATE BROADCAST REQUESTED
    Severe Thunderstorm Watch Number 462
    NWS Storm Prediction Center Norman OK
    1240 PM EDT Tue Aug 22 2017
    
    The NWS Storm Prediction Center has issued a
    
    * Severe Thunderstorm Watch for portions of 
      Far southern Indiana
      Central and northern Kentucky
      Far western Maryland Panhandle
      Southern and eastern Ohio
      Western and central Pennsylvania
      Northern and western West Virginia
    
    * Effective this Tuesday afternoon and evening from 1240 PM until
      900 PM EDT.
    
    * Primary threats include...
      Scattered damaging wind gusts to 70 mph likely
      A tornado or two possible
    
    SUMMARY...Scattered damaging winds appear likely as numerous
    clusters and lines of storms intensify and move east this afternoon.
    
    The severe thunderstorm watch area is approximately along and 105
    statute miles east and west of a line from 15 miles northeast of
    Dubois PA to 60 miles south southeast of Louisville KY. For a
    complete depiction of the watch see the associated watch outline
    update (WOUS64 KWNS WOU2).
    
    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 461...
    
    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 500. Mean storm motion vector
    26025.
    
    ...Grams
    
    
    Read more
  • SPC Tornado Watch 461
    WW 461 TORNADO NY PA VT LE LO 221620Z - 230100Z
    
    URGENT - IMMEDIATE BROADCAST REQUESTED
    Tornado Watch Number 461
    NWS Storm Prediction Center Norman OK
    1220 PM EDT Tue Aug 22 2017
    
    The NWS Storm Prediction Center has issued a
    
    * Tornado Watch for portions of 
      New York
      Northern Pennsylvania
      Western Vermont
      Lake Erie
      Lake Ontario
    
    * Effective this Tuesday afternoon and evening from 1220 PM until
      900 PM EDT.
    
    * Primary threats include...
      A couple tornadoes possible
      Widespread damaging wind gusts to 70 mph likely
    
    SUMMARY...Numerous storm clusters and lines are expected to develop
    this afternoon and progress east-northeast. Strong gusts producing
    damaging winds and a couple tornadoes are anticipated.
    
    The tornado watch area is approximately along and 115 statute miles
    east and west of a line from 40 miles north northeast of Saranac
    Lake NY to 25 miles southeast of Bradford PA. For a complete
    depiction of the watch see the associated watch outline update
    (WOUS64 KWNS WOU1).
    
    PRECAUTIONARY/PREPAREDNESS ACTIONS...
    
    REMEMBER...A Tornado Watch means conditions are favorable for
    tornadoes and 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.
    
    &&
    
    AVIATION...Tornadoes and 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 500. Mean
    storm motion vector 25030.
    
    ...Grams
    
    
    Read more
  • SPC Severe Thunderstorm Watch 464 Status Reports
    WW 0464 Status Updates
    
    STATUS REPORT ON WW 464
    
    THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
    
    ..JEWELL..08/22/17
    
    ATTN...WFO...PHI...OKX...BGM...CTP...
    
    
    STATUS REPORT FOR WS 464 
    
    SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS 
    
    NJC019-027-031-037-041-222240-
    
    NJ 
    .    NEW JERSEY COUNTIES INCLUDED ARE
    
    HUNTERDON            MORRIS              PASSAIC             
    SUSSEX               WARREN              
    
    
    NYC025-071-079-105-222240-
    
    NY 
    .    NEW YORK COUNTIES INCLUDED ARE
    
    DELAWARE             ORANGE              PUTNAM              
    SULLIVAN             
    
    
    PAC001-011-017-025-029-037-041-043-055-057-067-069-071-075-077-
    079-087-089-091-093-095-097-099-103-107-109-119-127-131-133-
    222240-
    
    PA 
    .    PENNSYLVANIA COUNTIES INCLUDED ARE
    
    ADAMS                BERKS               BUCKS               
    
    Read more
  • SPC Severe Thunderstorm Watch 463 Status Reports
    WW 0463 Status Updates
    
    STATUS REPORT ON WW 463
    
    THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
    
    ..GLEASON..08/22/17
    
    ATTN...WFO...ALY...BOX...GYX...BTV...
    
    
    STATUS REPORT FOR WS 463 
    
    SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS 
    
    CTC005-222340-
    
    CT 
    .    CONNECTICUT COUNTIES INCLUDED ARE
    
    LITCHFIELD           
    
    
    MEC007-017-222340-
    
    ME 
    .    MAINE COUNTIES INCLUDED ARE
    
    FRANKLIN             OXFORD              
    
    
    MAC003-011-013-015-222340-
    
    MA 
    .    MASSACHUSETTS COUNTIES INCLUDED ARE
    
    BERKSHIRE            FRANKLIN            HAMPDEN             
    HAMPSHIRE            
    
    
    NHC001-003-005-007-009-011-013-019-222340-
    
    Read more
  • SPC Severe Thunderstorm Watch 462 Status Reports
    WW 0462 Status Updates
    
    STATUS REPORT ON WW 462
    
    SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 35 SSE OWB
    TO 45 NNE BWG TO 30 WNW LEX TO 30 SE LUK TO 35 W UNI TO 25 NE UNI
    TO 40 ENE PKB TO 20 E PIT TO 20 SSW BFD.
    
    ..JEWELL..08/22/17
    
    ATTN...WFO...LMK...ILN...JKL...RLX...PBZ...CTP...
    
    
    STATUS REPORT FOR WS 462 
    
    SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS 
    
    KYC005-011-017-019-021-025-043-045-049-063-065-067-069-073-079-
    085-087-089-093-097-099-109-113-115-123-127-129-137-151-153-155-
    159-165-167-173-175-179-181-189-197-203-205-209-215-217-229-237-
    239-222240-
    
    KY 
    .    KENTUCKY COUNTIES INCLUDED ARE
    
    ANDERSON             BATH                BOURBON             
    BOYD                 BOYLE               BREATHITT           
    CARTER               CASEY               CLARK               
    ELLIOTT              ESTILL              FAYETTE             
    FLEMING              FRANKLIN            GARRARD             
    GRAYSON              GREEN               GREENUP             
    HARDIN               HARRISON            HART                
    JACKSON              JESSAMINE           JOHNSON             
    LARUE                LAWRENCE            LEE                 
    LINCOLN              MADISON             MAGOFFIN            
    MARION               MARTIN              MENIFEE             
    MERCER               MONTGOMERY          MORGAN              
    NELSON               NICHOLAS            OWSLEY              
    POWELL               ROCKCASTLE          ROWAN               
    SCOTT                SPENCER             TAYLOR              
    WASHINGTON           WOLFE               WOODFORD            
    
    Read more
  • SPC Tornado Watch 461 Status Reports
    WW 0461 Status Updates
    
    STATUS REPORT ON WW 461
    
    SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 5 E DUJ TO
    10 NW ELM TO 30 ENE ITH TO 30 NNE UCA TO 30 SW ART TO 15 SW ART
    TO 40 ENE ART TO 15 NNE MSS.
    
    ..GLEASON..08/22/17
    
    ATTN...WFO...BUF...BGM...BTV...ALY...CTP...CLE...
    
    
    STATUS REPORT FOR WT 461 
    
    SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS 
    
    NYC007-015-017-019-031-033-035-041-043-045-049-053-057-065-077-
    089-091-093-107-113-115-222340-
    
    NY 
    .    NEW YORK COUNTIES INCLUDED ARE
    
    BROOME               CHEMUNG             CHENANGO            
    CLINTON              ESSEX               FRANKLIN            
    FULTON               HAMILTON            HERKIMER            
    JEFFERSON            LEWIS               MADISON             
    MONTGOMERY           ONEIDA              OTSEGO              
    ST. LAWRENCE         SARATOGA            SCHENECTADY         
    TIOGA                WARREN              WASHINGTON          
    
    
    PAC015-023-035-081-105-113-115-117-222340-
    
    PA 
    .    PENNSYLVANIA COUNTIES INCLUDED ARE
    
    BRADFORD             CAMERON             CLINTON             
    LYCOMING             POTTER              SULLIVAN            
    SUSQUEHANNA          TIOGA               
    
    
    Read more

Today’s Severe Weather Outlook

Categorical Outlook


Tornado Probability Outlook




Severe Wind Probability Outlook


Large Hail Probability Outlook





Tomorrow’s Severe Weather Outlook

Categorical Outlook




Probabilistic Outlook




All images, forecasts, and documents are courtesy of their respective publishers. Presented for informational purposes only.