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Tornado Watch 398
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WW0398 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Moderate Low
Severe Wind 65 kt+ Wind
Moderate Moderate
Severe Hail 2"+ Hail
High Moderate

Note:  The expiration time in the watch graphic is amended if the watch is replaced, cancelled or extended.
Note: Click for Watch Status Reports.
   SEL8
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   TORNADO WATCH NUMBER 398
   NWS STORM PREDICTION CENTER NORMAN OK
   320 PM CDT SAT JUN 13 2009
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   TORNADO WATCH FOR PORTIONS OF 
   
          PART OF SOUTHWEST OKLAHOMA
          MUCH OF NORTHWEST TEXAS
   
   EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 320 PM UNTIL
   1100 PM 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 90 STATUTE
   MILES NORTH AND SOUTH OF A LINE FROM 110 MILES WEST NORTHWEST OF
   ABILENE TEXAS TO 5 MILES EAST SOUTHEAST OF WICHITA FALLS TEXAS. 
   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...CONTINUE...WW 397...
   
   DISCUSSION...THUNDERSTORMS ARE DEVELOPING ON THE WESTERN EDGE OF A
   VERY TO EXTREMELY UNSTABLE AIRMASS WITH MLCAPES AOA 4500 J/KG. 
   SHEAR SUFFICIENT TO SUPPORT SUPERCELLS WHICH COMBINED WITH THE
   INSTABILITY WILL BE SUPPORTIVE OF VERY LARGE HAIL AND AT LEAST
   ISOLATED TORNADOES.  STORMS WILL PROPAGATE INTO A PROGRESSIVELY MORE
   FAVORABLE SHEAR ENVIRONMENT AS THEY MOVE ACROSS THE WATCH AREA.
   
   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 24020.
   
   
   ...HALES
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