763  
NOUS43 KLSX 112202  
PNSLSX  
ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027-  
034>036-041-042-047>052-059>065-072>075-084-085-099-122200-  
 
PUBLIC INFORMATION STATEMENT  
NATIONAL WEATHER SERVICE ST LOUIS MO  
500 PM CDT SAT JUN 11 2011  
   
..DAMAGE SURVEY INFORMATION FOR RALLS COUNTY FROM JUNE 9TH 2011
 
 
NWS PERSONNEL CONDUCTED A SURVEY OF THE DAMAGE THAT OCCURRED OVER  
NORTHERN RALLS COUNTY ON THE EVENING OF JUNE 9TH 2011. IT APPEARS  
THAT STRAIGHT LINE...DOWNBURST...THUNDERSTORM WINDS CAUSED THE  
DAMAGE THAT OCCURRED IN THE AREA.  
 
THE DAMAGE BEGAN ABOUT 3 MILES EAST-SOUTHEAST OF RENSSELAER...JUST  
SOUTH OF THE INTERSECTION OF HIGHWAY HH AND TRABUE LANE...AND  
EXTENDED EAST TO ABOUT 3/4 MILE EAST OF HIGHWAY 61. THE DAMAGE  
SWATH WAS ABOUT 1 MILE WIDE.  
 
EMBEDDED IN THIS SWATH OF DOWNBURST WIND DAMAGE WAS AN ISOLATED AREA  
OF GREATER DAMAGE CAUSED BY A MICROBURST...ABOUT 1/3 MILE WEST OF  
HIGHWAY 61. BASED ON THE DAMAGE...WIND SPEEDS IN THIS AREA MAY HAVE  
REACHED 100 MPH.  
 
PEOPLE IN THE AREA REPORTED THAT THE STORMS ARRIVAL WAS ANNOUNCED BY  
GOLF-BALL SIZED HAIL....FOLLOWED BY A MIX OF RAIN AND SMALLER  
HAIL...AND THEN THE DAMAGING WINDS.  
 

 
PRZYBYLINSKI/SNYDER/STALLEY  
 
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