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Severe Thunderstorm Watch 462
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WW0462 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood 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.
   SEL2
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 462
   NWS STORM PREDICTION CENTER NORMAN OK
   1010 AM CDT THU JUN 18 2009
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          PARTS OF EASTERN IOWA
          PARTS OF NORTHERN AND CENTRAL ILLINOIS
   
   EFFECTIVE THIS THURSDAY MORNING AND AFTERNOON FROM 1010 AM UNTIL
   400 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 70
   STATUTE MILES NORTH AND SOUTH OF A LINE FROM 25 MILES WEST OF
   CEDAR RAPIDS IOWA TO 30 MILES NORTHEAST OF BLOOMINGTON ILLINOIS. 
   FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
   OUTLINE UPDATE (WOUS64 KWNS WOU2).
   
   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 459...WW 460...WW 461...
   
   DISCUSSION...FORWARD PROPAGATING THUNDERSTORM COMPLEX/BOW ECHO ERN
   IA EXPECTED TO DEVELOP SEWD ALONG AND ON COOL SIDE OF BOUNDARY
   EXTENDING ACROSS CENTRAL IL.  WIND DAMAGE WILL BE PRIMARY THREAT AND
   WITH INCREASING DAY TIME INSTABILITY COULD BECOME MORE WIDESPREAD AS
   COMPLEX TOWARD CENTRAL IL.
   
   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 500. MEAN STORM
   MOTION VECTOR 29030.
   
   
   ...HALES
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