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Severe Thunderstorm Watch 449
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WW0449 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low Very Low
Severe Wind 65 kt+ Wind
Moderate Low
Severe Hail 2"+ Hail
Low Low

Note:  The expiration time in the watch graphic is amended if the watch is replaced, cancelled or extended.
Note: Click for Watch Status Reports.
   SEL9

   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 (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 445...WW 446...WW
   447...WW 448...

   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.

   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.


   ...EDWARDS
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Page last modified: July 28, 2014
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