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Tornado Watch 90
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WW0090 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Moderate Low
Severe Wind 65 kt+ Wind
Moderate Low
Severe Hail 2"+ Hail
Moderate Moderate

Note:  The expiration time in the watch graphic is amended if the watch is replaced, cancelled or extended.
Note: Click for Watch Status Reports.
   SEL0

   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
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Page last modified: April 21, 2015
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