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Severe Thunderstorm Watch 67
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WW0067 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low Very Low
Severe Wind 65 kt+ Wind
Moderate Moderate
Severe Hail 2"+ Hail
Low Very 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.
   SEL7
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 67
   NWS STORM PREDICTION CENTER NORMAN OK
   450 PM EDT THU APR 8 2010
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          CENTRAL NEW YORK
          EASTERN PENNSYLVANIA
   
   EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 450 PM UNTIL
   1000 PM EDT.
   
   HAIL TO 0.5 INCH 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 EITHER SIDE OF A LINE FROM 55 MILES EAST SOUTHEAST
   OF SYRACUSE NEW YORK TO 25 MILES WEST SOUTHWEST OF STATE COLLEGE
   PENNSYLVANIA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
   ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU7).
   
   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 65...WW 66...
   
   DISCUSSION...LINE OF CONVECTION HAD RECENTLY DEVELOPED IN SRN PA AND
   IS EXPECTED TO MOVE RAPIDLY NNEWD AT 50-60 MPH INTO THE EVENING
   HOURS. DESPITE WEAK INSTABILITY...THE FAST MOTION OF THE CONVECTIVE
   LINE COMBINED WITH 50-60 KT MEAN SWLY FLOW ALOFT... PERPENDICULAR TO
   THE THUNDERSTORM LINE...AND STEEP LOW LEVEL LAPSE RATES WILL BE
   FAVORABLE FOR DAMAGING WIND GUSTS.
   
   AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
   TO 0.5 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
   KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 350. MEAN STORM
   MOTION VECTOR 21050.
   
   
   ...IMY
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