658  
WUCN16 CWWG 182347  
SEVERE THUNDERSTORM WARNING  
FOR NORTHERN ALBERTA  
UPDATED BY ENVIRONMENT CANADA  
AT 5:47 P.M. MDT WEDNESDAY 18 JUNE 2025.  
---------------------------------------------------------------------  
SEVERE THUNDERSTORM WARNING FOR:  
YELLOWHEAD CO. NEAR MACKAY WILDWOOD AND EVANSBURG  
LAC STE. ANNE CO. NEAR MAYERTHORPE AND SANGUDO.  
 
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==DISCUSSION==  
 
UPDATED OR ENDED BY 7:46 P.M. MDT.  
 
AT 5:47 P.M. MDT, ENVIRONMENT CANADA METEOROLOGISTS ARE TRACKING A  
CLUSTER OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING VERY STRONG  
WIND GUSTS, UP TO NICKEL SIZE HAIL AND HEAVY RAIN.  
 
THESE SEVERE THUNDERSTORMS ARE LOCATED 20 KM SOUTHWEST OF WILDWOOD  
AND 10 KILOMETRES SOUTH OF MAYERTHORPE AND ARE MOVING EAST AT 15  
KM/H.  
 
HEAVY RAIN MAY CAUSE FLASH FLOODING AND SIGNIFICANT REDUCTIONS TO  
VISIBILITY. 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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