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015 

WWUS20 KWNS 301819

SEL7

SPC WW 301819

DCZ000-MDZ000-NCZ000-VAZ000-WVZ000-CWZ000-010100-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 377

NWS STORM PREDICTION CENTER NORMAN OK

220 PM EDT TUE JUN 30 2015



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  DISTRICT OF COLUMBIA

  MARYLAND

  NORTHERN NORTH CAROLINA

  WESTERN AND NORTHERN VIRGINIA

  EASTERN WEST VIRGINIA

  COASTAL WATERS



* EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 220 PM UNTIL

  900 PM EDT.



* PRIMARY THREATS INCLUDE...

  SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

  ISOLATED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE



SUMMARY...THUNDERSTORMS WILL FORM SOON OVER EASTERN WV AND WESTERN

VA...SPREADING EASTWARD ACROSS THE WATCH AREA.  LOCALLY DAMAGING

WINDS AND HAIL ARE POSSIBLE IN THE STRONGEST CELLS.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 60

STATUTE MILES EAST AND WEST OF A LINE FROM HAGERSTOWN MARYLAND TO

80 MILES SOUTH SOUTHWEST OF DUBLIN VIRGINIA.  FOR A COMPLETE

DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE

(WOUS64 KWNS WOU7).



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 371...WW 372...WW

373...WW 374...WW 375...WW 376...



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 26030.





...HART

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