April 25: PDS Tornado Watch #1

URGENT - IMMEDIATE BROADCAST REQUESTED
   TORNADO WATCH NUMBER 205
   NWS STORM PREDICTION CENTER NORMAN OK
   325 PM CDT MON APR 25 2011
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   TORNADO WATCH FOR PORTIONS OF 
   
          MUCH OF ARKANSAS
          NORTHERN LOUISIANA
          SOUTH CENTRAL MISSOURI
          EXTREME SOUTHEAST OKLAHOMA
          NORTHEAST TEXAS
   
   EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 325 PM UNTIL
   1100 PM CDT.
   
   ...THIS IS A PARTICULARLY DANGEROUS SITUATION...
   
   DESTRUCTIVE TORNADOES...LARGE HAIL TO 2.5 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 70 STATUTE
   MILES EAST AND WEST OF A LINE FROM 15 MILES NORTH OF WEST PLAINS
   MISSOURI TO 30 MILES SOUTHWEST OF SHREVEPORT LOUISIANA.  FOR A
   COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
   UPDATE (WOUS64 KWNS WOU5).
   
   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 201...WW 202...WW
   203...WW 204...
   
   DISCUSSION...NUMEROUS STRONG/SUPERCELL THUNDERSTORMS ARE NOW
   AFFECTING PORTIONS OF NORTHEAST TX/SOUTHEAST OK INTO WESTERN AR. 
   FAVORABLE AND INTENSIFYING LOW LEVEL WIND FIELDS...COUPLED WITH A
   RAPIDLY DESTABILIZING AIR MASS WILL SUPPORT A RISK OF TORNADOES
   /SOME STRONG/ AS WELL AS VERY LARGE HAIL AND DAMAGING WINDS THROUGH
   MUCH OF THE EVENING.
   
   AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
   SURFACE AND ALOFT TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE
   WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
   500. MEAN STORM MOTION VECTOR 25035.