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Severe Thunderstorm Watch 259
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WW0259 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low Very Low
Severe Wind 65 kt+ Wind
Low Low
Severe Hail 2"+ Hail
Moderate 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.
   SEL9

   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 259
   NWS STORM PREDICTION CENTER NORMAN OK
   245 AM CDT FRI MAY 31 2013

   THE NWS STORM PREDICTION CENTER HAS ISSUED A

   * SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
     NORTHEAST KANSAS
     PARTS OF NORTHWEST MISSOURI

   * EFFECTIVE THIS FRIDAY MORNING FROM 245 AM UNTIL 800 AM CDT.

   * PRIMARY THREATS INCLUDE...
     SEVERAL LARGE HAIL EVENTS WITH A FEW VERY LARGE HAIL EVENTS TO 2
       INCHES IN DIAMETER POSSIBLE
     A FEW DAMAGING WIND GUSTS TO 65 MPH POSSIBLE

   THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 50
   STATUTE MILES NORTH AND SOUTH OF A LINE FROM 5 MILES WEST
   NORTHWEST OF SALINA KANSAS TO 55 MILES EAST SOUTHEAST OF
   CHILLICOTHE MISSOURI.  FOR A COMPLETE DEPICTION OF THE WATCH SEE
   THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU9).

   PRECAUTIONARY/PREPAREDNESS ACTIONS...

   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 258...

   DISCUSSION...ELEVATED THUNDERSTORM DEVELOPMENT IS ONGOING ACROSS
   NORTHEAST KANSAS AND ADJACENT NORTHWEST MISSOURI ATTM...WITHIN AN
   ENVIRONMENT FEATURING VERY STEEP MID-LEVEL LAPSE RATES AND THUS
   ELEVATED CAPE VALUES IN EXCESS OF 3000 J/KG.  GIVEN THE PRESENCE OF
   50-PLUS KT WSWLY MID-LEVEL FLOW...EXPECT STORMS DEVELOPING IN
   RESPONSE TO STRONG QG FORCING TO BECOME SUPERCELLULAR...CAPABLE OF
   PRODUCING LARGE HAIL AND POSSIBLY LOCALLY DAMAGING WINDS.

   AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
   TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 55
   KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
   MOTION VECTOR 24040.


   ...GOSS
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