SEL5
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 445
   NWS STORM PREDICTION CENTER NORMAN OK
   520 PM MDT THU JUN 9 2005
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          NORTHEAST COLORADO
          SOUTHWESTERN PART OF THE NEBRASKA PANHANDLE
   
   EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 520 PM UNTIL
   1100 PM MDT.
   
   HAIL TO 2 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 80
   STATUTE MILES EAST AND WEST OF A LINE FROM 50 MILES EAST NORTHEAST
   OF CHEYENNE WYOMING TO 20 MILES EAST SOUTHEAST OF LIMON COLORADO. 
   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 442...WW 443...WW 444...
   
   DISCUSSION...SCATTERED STORMS/SUPERCELLS EXPECTED TO CONTINUE
   FORMING ALONG THE NRN CO FOOTHILLS AS DEVELOPMENT OF NEB SURFACE
   WAVE ENHANCES UPSLOPE FLOW/MOISTURE TRANSPORT INTO REGION.  MODERATE
   TO STRONG LOW LEVEL DIRECTIONAL SHEAR MAY SUPPORT LOW LEVEL STORM
   ROTATION AND AN ISOLATED TORNADO OR TWO...BUT RELATIVELY LIMITED
   INSTABILITY/DEEP SHEAR SHOULD KEEP HAIL THE MAIN SEVERE THREAT.
   
   AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
   TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
   KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. MEAN STORM
   MOTION VECTOR 24030.
   
   
   ...CORFIDI