621  
WWUS55 KRIW 210040  
SVSRIW  
 
SEVERE WEATHER STATEMENT  
NATIONAL WEATHER SERVICE RIVERTON WY  
640 PM MDT SUN SEP 20 2009  
 
WYC025-210115-  
/O.CON.KRIW.SV.W.0077.000000T0000Z-090921T0115Z/  
NATRONA WY-  
640 PM MDT SUN SEP 20 2009  
 
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM MDT  
FOR EAST CENTRAL NATRONA COUNTY...  
 
AT 637 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO  
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE  
HAIL...AND DESTRUCTIVE WINDS IN EXCESS OF 70 MPH. THIS STORM WAS  
LOCATED NEAR JCT I25 AND HWY 20...OR NEAR CASPER...MOVING EAST AT 30  
MPH.  
 
THE SEVERE THUNDERSTORM WILL BE NEAR...  
EASTRIDGE MALL AND EVANSVILLE BY 645 PM...  
I25 EXIT 182 BY 650 PM...  
EDNESS K WILKINS STATE PARK BY 655 PM...  
 
THIS INCLUDES INTERSTATE 25 IN WYOMING BETWEEN MILE MARKERS 176 AND  
195.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
DAMAGING WINDS UP TO 68 MPH WERE REPORTED AT THE NATONA COUNTY  
AIRPORT WITH THIS STORM. THIS IS A DANGEROUS STORM...SEEK SAFE  
SHELTER AND STAY AWAY FROM WINDOWS!  
 

 
 
REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE OFFICE IN  
RIVERTON AT 1-800-211-1448.  
 
LAT...LON 4278 10607 4268 10608 4279 10645 4296 10636  
4290 10606 4279 10606  
TIME...MOT...LOC 0040Z 288DEG 26KT 4285 10633  
 

 
 
MEUNIER  
 
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