SEL8
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   TORNADO WATCH NUMBER 78
   NWS STORM PREDICTION CENTER NORMAN OK
   935 PM CST SUN MAR 12 2006
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   TORNADO WATCH FOR PORTIONS OF 
   
          NORTHWEST ARKANSAS
          NORTHEAST OKLAHOMA
   
   EFFECTIVE THIS SUNDAY NIGHT AND MONDAY MORNING FROM 935 PM UNTIL
   400 AM CST.
   
   TORNADOES...HAIL TO 2.5 INCHES IN DIAMETER...THUNDERSTORM WIND
   GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
   AREAS.
   
   THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 115 STATUTE
   MILES EAST AND WEST OF A LINE FROM 5 MILES NORTHEAST OF MONETT
   MISSOURI TO 20 MILES WEST SOUTHWEST OF POTEAU OKLAHOMA.  FOR A
   COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
   UPDATE (WOUS64 KWNS WOU8).
   
   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...THIS TORNADO WATCH REPLACES TORNADO
   WATCH NUMBER 74. WATCH NUMBER 74 WILL NOT BE IN EFFECT AFTER 935
   PM CST. CONTINUE...WW 76...WW 77...
   
   DISCUSSION...ISOLATED SUPERCELL STORMS ARE ONGOING OVER EXTREME
   NORTHEAST OK...CAPABLE OF TORNADOES AND LARGE HAIL.  OTHER STORMS
   ARE EXPECTED TO DEVELOP IN THE NEXT FEW HOURS ALONG COLD FRONT AS IT
   SURGES INTO MOIST AXIS OVER EASTERN OK.  THESE STORMS WILL SPREAD
   EASTWARD INTO NORTHWEST AR OVERNIGHT.  LARGE HAIL...DAMAGING
   WINDS...AND ISOLATED TORNADOES WILL BE POSSIBLE WITH THIS ACTIVITY.
   
   AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
   SURFACE AND ALOFT TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE
   WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
   500. MEAN STORM MOTION VECTOR 24035.
   
   
   ...HART