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Severe Thunderstorm Watch 446
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WW0446 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Very Low Very Low
Severe Wind 65 kt+ Wind
Moderate Moderate
Severe Hail 2"+ Hail
Moderate Low

Note:  The expiration time in the watch graphic is amended if the watch is replaced, cancelled or extended.
Note: Click for Watch Status Reports.
   SEL6
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 446
   NWS STORM PREDICTION CENTER NORMAN OK
   355 PM CDT WED JUN 17 2009
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          PARTS OF SOUTHWEST KANSAS
          PARTS OF NORTHWEST OKLAHOMA
          MUCH OF TEXAS PANHANDLE
   
   EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 355 PM UNTIL
   1100 PM CDT.
   
   HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 80
   MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
   
   THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 65
   STATUTE MILES EAST AND WEST OF A LINE FROM 35 MILES SOUTH
   SOUTHWEST OF AMARILLO TEXAS TO 35 MILES WEST NORTHWEST OF
   HUTCHINSON KANSAS.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
   ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU6).
   
   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.
   
   OTHER WATCH INFORMATION...CONTINUE...WW 439...WW 440...WW
   441...WW 442...WW 443...WW 445...WW 444...
   
   DISCUSSION...E OF DRYLINE AIR MASS ACROSS WATCH CHARACTERIZED BY
   DEEP MIXED LAYER/INVERTED V SOUNDINGS WITH MLCAPES UPWARDS TO 2000
   J/KG.  CONDITIONS FAVORABLE FOR COLD POOL DEVELOPMENT WITH VERY
   STRONG WINDS MOVING NEWD ACROSS THE WATCH AS THUNDERSTORM INCREASE
   ACROSS AREA.
   
   AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
   TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 70
   KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM
   MOTION VECTOR 23030.
   
   
   ...HALES
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