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   URGENT - IMMEDIATE BROADCAST REQUESTED
   TORNADO WATCH NUMBER 890
   NWS STORM PREDICTION CENTER NORMAN OK
   815 PM CST TUE NOV 23 2004
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   TORNADO WATCH FOR PORTIONS OF 
   
          CENTRAL AND EASTERN LOUISIANA
          WESTERN AND CENTRAL MISSISSIPPI
   
   EFFECTIVE THIS TUESDAY NIGHT AND WEDNESDAY MORNING FROM 815 PM
   UNTIL 200 AM CST.
   
   ...THIS IS A PARTICULARLY DANGEROUS SITUATION...
   
   DESTRUCTIVE TORNADOES...LARGE HAIL TO 1.5 INCHES IN DIAMETER...
   THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE
   POSSIBLE IN THESE AREAS.
   
   THE TORNADO WATCH AREA IS ALONG AND 90 STATUTE MILES EAST AND WEST
   OF A LINE FROM 45 MILES NORTH NORTHWEST OF JACKSON MISSISSIPPI TO
   60 MILES SOUTHEAST OF FORT POLK LOUISIANA.
   
   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 887...WW 888...WW 889...
   
   DISCUSSION...THREAT FOR TORNADOES EXPECTED TO PERSIST WITH
   SUPERCELLS WITHIN QUASI LINEAR MCS IN ERN LA/WRN MS...WHERE DEEP
   SHEAR WILL STRENGTHEN TO NEAR 70 KT WITH CONTINUED NEWD MOVEMENT OF
   STRONG UPSTREAM WIND FIELD.  OTHER SUPERCELLS MAY DEVELOP LATER
   TONIGHT/EARLY WEDNESDAY INVOF RETREATING OUTFLOW BOUNDARY/COASTAL
   FRONT ORIENTED MORE WSW/ESE ACROSS CNTRL LA AS FORCING AS STRONG
   DPVA AREA NOW OVER E TX CONTINUES ENEWD.  RICH GULF MOISTURE SUPPLY
   AND ORIENTATION OF SHEAR PARALLEL TO CONVECTIVE BANDS COULD YIELD
   ONE OR TWO STRONG TORNADOES.
   
   AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
   SURFACE AND ALOFT TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE
   WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
   500. MEAN STORM MOTION VECTOR 25035.
   
   
   ...CORFIDI