

692 

WWUS20 KWNS 201904

SEL0

SPC WW 201904

DCZ000-DEZ000-MDZ000-NJZ000-PAZ000-VAZ000-WVZ000-CWZ000-210200-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 90

NWS STORM PREDICTION CENTER NORMAN OK

305 PM EDT MON APR 20 2015



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* TORNADO WATCH FOR PORTIONS OF

  DISTRICT OF COLUMBIA

  DELAWARE

  MARYLAND

  SOUTHWEST NEW JERSEY

  SOUTHERN PENNSYLVANIA

  NORTHERN VIRGINIA

  EASTERN PANHANDLE OF WEST VIRGINIA

  COASTAL WATERS



* EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 305 PM UNTIL

  1000 PM EDT.



* PRIMARY THREATS INCLUDE...

  A COUPLE TORNADOES POSSIBLE

  SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2

    INCHES IN DIAMETER POSSIBLE

  SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE



SUMMARY...THUNDERSTORMS ARE EXPECTED TO DEVELOP OVER NORTHERN VA AND

WESTERN MD THIS AFTERNOON...TRACKING ACROSS THE WATCH AREA.

DAMAGING WINDS AND HAIL ARE THE MAIN THREATS.  HOWEVER...BACKED LOW

LEVEL WINDS NEAR A WARM FRONT MAY BE SUFFICIENT TO ENHANCE THE RISK

OF ISOLATED TORNADOES OVER NORTHERN PARTS OF THE WATCH.



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 90 STATUTE

MILES EAST AND WEST OF A LINE FROM 30 MILES EAST SOUTHEAST OF

CHARLOTTESVILLE VIRGINIA TO 25 MILES NORTH OF HARRISBURG

PENNSYLVANIA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU0).



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.



&&



OTHER WATCH INFORMATION...CONTINUE...WW 86...WW 87...WW 88...WW

89...



AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL

SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE

WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO

500. MEAN STORM MOTION VECTOR 25030.





...HART



655 

WWUS20 KWNS 201904

SEL0

SPC WW 201904

DCZ000-DEZ000-MDZ000-NJZ000-PAZ000-VAZ000-WVZ000-CWZ000-210200-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 90

NWS STORM PREDICTION CENTER NORMAN OK

305 PM EDT MON APR 20 2015



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* TORNADO WATCH FOR PORTIONS OF

  DISTRICT OF COLUMBIA

  DELAWARE

  MARYLAND

  SOUTHWEST NEW JERSEY

  SOUTHERN PENNSYLVANIA

  NORTHERN VIRGINIA

  EASTERN PANHANDLE OF WEST VIRGINIA

  COASTAL WATERS



* EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 305 PM UNTIL

  1000 PM EDT.



* PRIMARY THREATS INCLUDE...

  A COUPLE TORNADOES POSSIBLE

  SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2

    INCHES IN DIAMETER POSSIBLE

  SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE



SUMMARY...THUNDERSTORMS ARE EXPECTED TO DEVELOP OVER NORTHERN VA AND

WESTERN MD THIS AFTERNOON...TRACKING ACROSS THE WATCH AREA.

DAMAGING WINDS AND HAIL ARE THE MAIN THREATS.  HOWEVER...BACKED LOW

LEVEL WINDS NEAR A WARM FRONT MAY BE SUFFICIENT TO ENHANCE THE RISK

OF ISOLATED TORNADOES OVER NORTHERN PARTS OF THE WATCH.



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 90 STATUTE

MILES EAST AND WEST OF A LINE FROM 30 MILES EAST SOUTHEAST OF

CHARLOTTESVILLE VIRGINIA TO 25 MILES NORTH OF HARRISBURG

PENNSYLVANIA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU0).



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.



&&



OTHER WATCH INFORMATION...CONTINUE...WW 86...WW 87...WW 88...WW

89...



AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL

SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE

WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO

500. MEAN STORM MOTION VECTOR 25030.





...HART

