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   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 890
   NWS STORM PREDICTION CENTER NORMAN OK
   1140 AM CST SUN DEC 4 2005
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          SOUTHERN AND EASTERN LOUISIANA
          CENTRAL AND SOUTHERN MISSISSIPPI
          FAR SOUTHEAST TEXAS
          COASTAL WATERS
   
   EFFECTIVE THIS SUNDAY MORNING AND EVENING FROM 1140 AM UNTIL 600
   PM CST.
   
   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 NORTH AND SOUTH OF A LINE FROM 5 MILES SOUTH OF PORT
   ARTHUR TEXAS TO 30 MILES EAST NORTHEAST OF MERIDIAN MISSISSIPPI. 
   FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
   OUTLINE UPDATE (WOUS64 KWNS WOU0).
   
   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.
   
   DISCUSSION...WITH A MODERATELY UNSTABLE MOIST AIRMASS S OF COLD
   FRONT THAT EXTENDS FROM CENTRAL MS TO SERN TX...THUNDERSTORMS WILL
   BECOME MORE NUMEROUS AND INTENSE DURING THE AFTERNOON. SUFFICIENT
   DEEP LAYER SHEAR FOR A FEW ROTATING STORMS ENHANCING PRIMARILY
   THREAT OF LARGE HAIL AND DAMAGING DOWNBURST WINDS.
   
   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 24030.
   
   
   ...HALES