SEL9
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   TORNADO WATCH NUMBER 379
   NWS STORM PREDICTION CENTER NORMAN OK
   905 PM CDT THU JUN 2 2005
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   TORNADO WATCH FOR PORTIONS OF 
   
          SOUTHEAST NEW MEXICO
          SOUTHWEST TEXAS
   
   EFFECTIVE THIS THURSDAY NIGHT AND FRIDAY MORNING FROM 905 PM UNTIL
   400 AM CDT.
   
   TORNADOES...HAIL TO 4 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 120 STATUTE
   MILES EAST AND WEST OF A LINE FROM 60 MILES NORTH NORTHWEST OF BIG
   SPRING TEXAS TO 55 MILES SOUTH SOUTHWEST OF SANDERSON TEXAS.  FOR
   A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
   UPDATE (WOUS64 KWNS WOU9).
   
   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 377...WW 378...
   
   DISCUSSION...SUPERCELLS EXPECTED TO DEVELOP AND SPREAD NEWD ACROSS
   SW TX LATER TONIGHT/EARLY FRIDAY AS FORCING FOR ASCENT INCREASES
   DOWNSTREAM FROM NW MEXICO UPPER VORT.  MOIST/UPSLOPE SELY LOW LEVEL
   FLOW BENEATH MODERATE SWLY MID LEVEL FLOW...COUPLED WITH STEEP MID
   LEVEL LAPSE RATES...WILL CREATE FAVORABLE SETUP FOR VERY LARGE
   HAIL/HIGH WIND AND POSSIBLE TORNADOES AS TEMP/DEW POINT SPREADS
   CONTINUE TO DECREASE.  ACTIVITY SHOULD EVENTUALLY MERGE INTO A
   SQUALL LINE WITH EMBEDDED LEWPS/BOWS.
   
   AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
   SURFACE AND ALOFT TO 4 INCHES. EXTREME TURBULENCE AND SURFACE WIND
   GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 600.
   MEAN STORM MOTION VECTOR 24025.
   
   
   ...CORFIDI