105  
WUCN15 CWWG 202308  
SEVERE THUNDERSTORM WARNING  
FOR SOUTHERN ALBERTA  
UPDATED BY ENVIRONMENT CANADA  
AT 5:08 P.M. MDT WEDNESDAY 20 AUGUST 2025.  
---------------------------------------------------------------------  
SEVERE THUNDERSTORM WARNING FOR:  
=NEW= CYPRESS CO. NEAR CYPRESS HILLS PROV. PARK AND CRESSDAY  
CYPRESS CO. NEAR ONEFOUR AND WILD HORSE.  
 
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==DISCUSSION==  
 
UPDATED OR ENDED BY 7:07 P.M. MDT.  
 
AT 5:08 P.M. MDT, ENVIRONMENT CANADA METEOROLOGISTS ARE TRACKING A  
SEVERE THUNDERSTORM CAPABLE OF PRODUCING VERY STRONG WIND GUSTS, UP  
TO TOONIE SIZE HAIL AND HEAVY RAIN.  
 
THIS SEVERE THUNDERSTORM IS LOCATED 15 KM NORTHEAST OF ONEFOUR AND  
IS MOVING TO THE NORTHEAST AT 50 KM/H.  
 
LARGE HAIL MAY CAUSE SIGNIFICANT DAMAGE AND INJURY. TAKE IMMEDIATE  
COVER IF A THUNDERSTORM APPROACHES. IF OUTSIDE, PROTECT YOURSELF  
FROM FLYING DEBRIS AND HAIL.  
 
SEVERE THUNDERSTORM WARNINGS ARE ISSUED WHEN IMMINENT OR OCCURRING  
THUNDERSTORMS ARE EXPECTED TO PRODUCE DAMAGING HAIL, WIND OR RAIN.  
 
PLEASE CONTINUE TO MONITOR ALERTS AND FORECASTS ISSUED BY  
ENVIRONMENT CANADA. TO REPORT SEVERE WEATHER, SEND AN EMAIL TO  
ABSTORM(AT)EC.GC.CA, CALL 1-800-239-0484 OR POST REPORTS ON X USING  
(HASH)ABSTORM.  
 
HTTP://WEATHER.GC.CA  
 
END/PASPC  
 
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