spc.noaa.gov/products/watch/ww0449_overview_big_wou.gif URGENT - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WATCH NUMBER 449 NWS STORM PREDICTION CENTER NORMAN OK 655 PM EDT SUN JUL 27 2014 THE NWS STORM PREDICTION CENTER HAS ISSUED A * SEVERE THUNDERSTORM WATCH FOR PORTIONS OF NORTHWESTERN MARYLAND NORTHWESTERN NEW JERSEY CENTRAL AND EASTERN PENNSYLVANIA EXTREME NORTHERN VIRGINIA NORTHEASTERN WEST VIRGINIA PANHANDLE * EFFECTIVE THIS SUNDAY NIGHT AND MONDAY MORNING FROM 655 PM UNTIL 200 AM EDT. * PRIMARY THREATS INCLUDE... ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE ISOLATED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 115 STATUTE MILES EAST AND WEST OF A LINE FROM 25 MILES SOUTHEAST OF HAGERSTOWN MARYLAND TO 45 MILES NORTH OF WILLIAMSPORT PENNSYLVANIA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE. 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. DISCUSSION...SCATTERED TO LOCALLY NUMEROUS TSTMS -- SOME SVR -- WILL AFFECT WW AREA THROUGH REMAINDER EVENING AND INTO OVERNIGHT HOURS...BOTH FROM ONGOING PREFRONTAL CLUSTERS AND EVENTUAL NEAR-FRONTAL BAND MOVING IN FROM W-E AHEAD OF STG SHORTWAVE TROUGH ALOFT. REF SPC MESOSCALE DISCUSSION 1489 FOR NEAR-TERM/INITIAL DETAILS.
Posted on: Sun, 27 Jul 2014 23:18:59 +0000
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