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Tornado Watch 288
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WW0288 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Moderate Moderate
Severe Wind 65 kt+ Wind
Moderate Moderate
Severe Hail 2"+ Hail
Moderate High

Note:  The expiration time in the watch graphic is amended if the watch is replaced, cancelled or extended.
Note: Click for Watch Status Reports.
   SEL8
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   TORNADO WATCH NUMBER 288
   NWS STORM PREDICTION CENTER NORMAN OK
   240 PM MDT WED JUN 9 2010
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   TORNADO WATCH FOR PORTIONS OF 
   
          NORTHEASTERN COLORADO
          EXTREME NORTHWESTERN KANSAS
          WESTERN NEBRASKA
          SOUTHEASTERN WYOMING
   
   EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 240 PM UNTIL
   900 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 80 STATUTE
   MILES EAST AND WEST OF A LINE FROM 25 MILES NORTH NORTHWEST OF
   ALLIANCE NEBRASKA TO 10 MILES SOUTHWEST OF LIMON COLORADO.  FOR A
   COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
   UPDATE (WOUS64 KWNS WOU8).
   
   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.
   
   OTHER WATCH INFORMATION...CONTINUE...WW 286...WW 287...
   
   DISCUSSION...THUNDERSTORMS HAVE RECENTLY DEVELOPED FROM WESTERN NEB
   SWWD INTO THE NRN CO MOUNTAINS. VERY MOIST UPSLOPE FLOW...WITH
   DEWPOINTS NEAR 60F TO NEAR THE FOOTHILLS...SHOULD BE FAVORABLE FOR
   MORE STORMS FORMING THROUGH THE EVENING HOURS. THE COMBINATION OF
   MODERATE INSTABILITY AND EFFECTIVE SHEAR NEAR 50 KT WILL BE
   FAVORABLE FOR SUPERCELLS WITH VERY LARGE HAIL. TORNADOES ARE ALSO
   POSSIBLE...ESPECIALLY ACROSS WRN NEB WHERE BOUNDARY LAYER RH VALUES
   ARE HIGHER AND LOW LEVEL SHEAR IS MAXIMIZED. ALSO...ANY STORMS THAT
   TURN SEWD WOULD INGEST GREATER SRH AND POSSESS A POTENTIAL FOR A
   TORNADO.
   
   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 28020.
   
   
   ...IMY
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