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Severe Thunderstorm Watch 355
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WW0355 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low Very Low
Severe Wind 65 kt+ Wind
Moderate Low
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.
   SEL5
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 355
   NWS STORM PREDICTION CENTER NORMAN OK
   130 PM EDT TUE JUN 9 2009
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          SOUTH CENTRAL AND CENTRAL NEW YORK
          CENTRAL AND EASTERN PENNSYLVANIA
   
   EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 130 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 60
   STATUTE MILES EAST AND WEST OF A LINE FROM 75 MILES NORTHEAST OF
   BINGHAMTON NEW YORK TO 50 MILES SOUTHWEST OF HARRISBURG
   PENNSYLVANIA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
   ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU5).
   
   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 354...
   
   DISCUSSION...SCATTERED THUNDERSTORMS WILL CONTINUE TO DEVELOP ALONG
   AND AHEAD OF  A COLD FRONT AND A SUBTLE MID LEVEL TROUGH MOVING EWD
   INTO CENTRAL NY/PA THIS AFTERNOON...AND W OF THE COOL AIR MASS STILL
   RESIDING OVER NEW ENGLAND.  MODERATE INSTABILITY AND 30-40 KT
   LOW-MID LEVEL FLOW SHOULD SUPPORT A FEW ORGANIZED MULTICELLS...AND
   POSSIBLY ISOLATED SUPERCELLS...CAPABLE OF PRODUCING DAMAGING WINDS
   AND LARGE 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 500. MEAN STORM
   MOTION VECTOR 27025.
   
   
   ...THOMPSON
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