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Tornado Watch 334
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WW0334 Radar
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   SEL4
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   TORNADO WATCH NUMBER 334
   NWS STORM PREDICTION CENTER NORMAN OK
   1125 AM MDT THU MAY 22 2008
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   TORNADO WATCH FOR PORTIONS OF 
   
          NORTHEASTERN COLORADO
          EXTREME SOUTHWESTERN NEBRASKA
          EXTREME SOUTHEASTERN WYOMING
   
   EFFECTIVE THIS THURSDAY MORNING AND EVENING FROM 1125 AM UNTIL
   800 PM MDT.
   
   TORNADOES...HAIL TO 3 INCHES IN DIAMETER...THUNDERSTORM WIND
   GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
   AREAS.
   
   THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 70 STATUTE
   MILES NORTH AND SOUTH OF A LINE FROM 20 MILES WEST SOUTHWEST OF
   FORT COLLINS COLORADO TO 30 MILES NORTH NORTHEAST OF BURLINGTON
   COLORADO.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
   ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU4).
   
   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...NUMEROUS THUNDERSTORMS ARE EXPECTED TO DEVELOP ACROSS
   NORTHEASTERN CO THIS AFTERNOON...AS STRONG SHORTWAVE TROUGH MOVES
   NEWD INTO THE AREA. DEEP LAYER SHEAR AT 60 KT AND MODERATE
   INSTABILITY INDICATES NUMEROUS SUPERCELLS ARE LIKELY. STRONG
   INSTABILITY WILL SUPPORT HAIL IN EXCESS OF 2 INCHES. THE PRESENCE OF
   A WARM FRONT AND STRONG LOW LEVEL SHEAR SUGGEST TORNADOES ARE ALSO
   LIKELY. INITIAL STORMS NEAR THE FRONT RANGE WILL GRADUALLY SPREAD
   EWD INTO THE EASTERN PLAINS THROUGH THE EARLY EVENING HOURS.
   
   AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
   SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE
   WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
   500. MEAN STORM MOTION VECTOR 17035.
   
   
   ...IMY
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