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Severe Thunderstorm Watch 529
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WW0529 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.
   SEL9
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 529
   NWS STORM PREDICTION CENTER NORMAN OK
   555 PM CDT SAT JUN 27 2009
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          PARTS OF WEST CENTRAL ILLINOIS
          SMALL PART OF EAST KANSAS
          PARTS OF NORTHERN AND CENTRAL MISSOURI
   
   EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 555 PM UNTIL
   1100 PM CDT.
   
   HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
   MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
   
   THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 50
   STATUTE MILES NORTH AND SOUTH OF A LINE FROM 55 MILES SOUTH
   SOUTHWEST OF OLATHE KANSAS TO 30 MILES EAST OF QUINCY ILLINOIS. 
   FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
   OUTLINE UPDATE (WOUS64 KWNS WOU9).
   
   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 525...WW 526...WW
   527...WW 528...
   
   DISCUSSION...SCATTERED THUNDERSTORMS EXPECTED TO DEVELOP ALONG AND
   JUST AHEAD OF A WEAK FRONTAL BAND ACROSS NRN MO INTO ERN KS.  AIR
   MASS IS VERY UNSTABLE WITH MLCAPES AOA 3000 J/KG.  ADDITIONALLY
   DCAPES UPWARDS TO 1500 J/KG FAVOR DAMAGING DOWNBURST WINDS WITH ANY
   STRONG UPDRAFT.  LACK OF FAVORABLE DEEP LAYER SHEAR SHOULD SUPPORT
   PRIMARILY PULSE TYPE DEVELOPMENT.  INTENSITIES SHOULD DIMINISH AFTER
   SUNSET.
   
   AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
   TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
   KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM
   MOTION VECTOR 27020.
   
   
   ...HALES
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