SEL5
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 605
   NWS STORM PREDICTION CENTER NORMAN OK
   240 PM MDT SUN JUL 11 2004
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          EASTERN MONTANA
   
   EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 240 PM UNTIL 900
   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 ALONG AND 100 STATUTE MILES
   EAST AND WEST OF A LINE FROM 60 MILES NORTH NORTHEAST OF GLASGOW
   MONTANA TO 45 MILES SOUTHWEST OF BROADUS MONTANA.
   
   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 602...WW 603...WW 604...
   
   DISCUSSION...THUNDERSTORMS ARE EXPECTED TO DEVELOP DURING THE NEXT
   HOUR OR SO AS THE COLD FRONT MOVES EWD INTO THE AREA. THE INITIAL
   STORMS LIKELY WILL BE HIGH BASED WITH MOSTLY A WIND THREAT...BUT AS
   STORMS MOVE EWD INTO THE DEEPER BOUNDARY LAYER MOISTURE...DEEP LAYER
   SHEAR AT 40 TO 50 KT WILL FAVOR SUPERCELLS WITH LARGE HAIL.
   
   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 500. MEAN STORM
   MOTION VECTOR 25035.
   
   
   ...IMY