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Tornado Watch 593
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WW0593 Radar
Note:  The expiration time in the watch graphic is amended if the watch is replaced, cancelled or extended.
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   SEL3
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   TORNADO WATCH NUMBER 593
   NWS STORM PREDICTION CENTER NORMAN OK
   1240 PM EDT WED JUL 12 2006
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   TORNADO WATCH FOR PORTIONS OF 
   
          NORTHERN NEW JERSEY
          SOUTHEAST NEW YORK
          NORTHEAST PENNSYLVANIA
   
   EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 1240 PM UNTIL
   800 PM EDT.
   
   TORNADOES...HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS
   TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
   
   THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 50 STATUTE
   MILES EAST AND WEST OF A LINE FROM 30 MILES NORTHEAST OF
   MONTICELLO NEW YORK TO 20 MILES SOUTH OF ALLENTOWN PENNSYLVANIA. 
   FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
   OUTLINE UPDATE (WOUS64 KWNS WOU3).
   
   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.
   
   DISCUSSION...A SURFACE LOW AND ASSOCIATED MID LEVEL TROUGH WILL MOVE
   EWD FROM SWRN ONTARIO TO CENTRAL AND UPSTATE NY THROUGH THIS
   EVENING.  A SEPARATE RAIN-COOLED BOUNDARY EXTENDS ACROSS EXTREME NE
   PA AND SE NY/NRN NJ.  S OF THIS BOUNDARY...SURFACE HEATING AND LOW
   70 DEWPOINTS ARE CONTRIBUTING TO MODERATE INSTABILITY...AND THIS
   BOUNDARY MAY LIFT A LITTLE TO THE N THIS AFTERNOON.  THUNDERSTORMS
   WILL LIKELY INCREASE IN COVERAGE THIS AFTERNOON ALONG AND S OF THE
   BOUNDARY...WITH THE POTENTIAL FOR A FEW SUPERCELLS.  GIVEN THE RICH
   MOISTURE AND LOW-LEVEL SHEAR MAXIMIZED NEAR THE RAIN-COOLED
   BOUNDARY...A FEW TORNADOES WILL BE POSSIBLE THIS AFTERNOON.
   
   AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
   SURFACE AND ALOFT TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND
   GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450.
   MEAN STORM MOTION VECTOR 27025.
   
   
   ...THOMPSON
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Page last modified: July 13, 2006
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