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Severe Thunderstorm Watch 322
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WW0322 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low Very Low
Severe Wind 65 kt+ Wind
Moderate Moderate
Severe Hail 2"+ Hail
Moderate 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.
   SEL2
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 322
   NWS STORM PREDICTION CENTER NORMAN OK
   155 PM EDT TUE JUN 2 2009
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          DISTRICT OF COLUMBIA
          DELAWARE
          EASTERN MARYLAND
          SOUTHERN NEW JERSEY
          SOUTHEASTERN PENNSYLVANIA
          NORTHEASTERN VIRGINIA
          COASTAL WATERS
   
   EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 155 PM UNTIL
   800 PM EDT.
   
   HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
   MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
   
   THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 75
   STATUTE MILES EAST AND WEST OF A LINE FROM 30 MILES NORTH OF
   LAKEHURST NEW JERSEY TO 15 MILES WEST SOUTHWEST OF PATUXENT RIVER
   MARYLAND.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
   ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU2).
   
   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 321...
   
   DISCUSSION...AN UPPER LEVEL IMPULSE MOVING EWD THROUGH ERN PA WAS
   HELPING TO INITIATE STORMS IN SRN PA. THESE STORMS ARE EXPECTED TO
   INCREASE IN NUMBER AND INTENSIFY AS THEY MOVE SEWD AT 30-40 MPH.
   DEEP LAYER SHEAR AND 30-40 KT MID LEVEL WINDS ARE SUPPORTIVE OF LINE
   SEGMENTS/BOWS WITH WIND DAMAGE THE GREATER THREAT. HOWEVER...THE
   AMOUNT OF SHEAR COMBINED WITH MODERATE INSTABILITY WILL ALSO SUPPORT
   STORMS WITH MID LEVEL ROTATION AND SEVERE HAIL.
   
   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 450. MEAN STORM
   MOTION VECTOR 30035.
   
   
   ...IMY
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Page last modified: June 03, 2009
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