WUCN15 CWWG 240154
YELLOW WARNING - SEVERE THUNDERSTORM
FOR SOUTHERN ALBERTA
ISSUED BY ENVIRONMENT CANADA
AT 7:54 P.M. MDT SUNDAY 23 AUGUST 2026.
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YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - FOR:
=NEW= CO. OF STETTLER NEAR DONALDA
=NEW= CO. OF STETTLER NEAR BOTHA AND GADSBY
=NEW= CO. OF PAINTEARTH NEAR HALKIRK AND BIG KNIFE PROV. PARK
=NEW= FLAGSTAFF CO. NEAR FORESTBURG AND GALAHAD.

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IMPACT LEVEL: MODERATE
FORECAST CONFIDENCE: HIGH

==DISCUSSION==

UPDATED OR ENDED BY 8:52 P.M. MDT.

AT�7:53 P.M. MDT,�A LINE OF SEVERE THUNDERSTORMS�IS LOCATED�FROM 
ABOUT BIG KNIFE PROVINCIAL PARK TO 30 KM EAST OF GALAHAD.�THESE 
SEVERE THUNDERSTORMS ARE MOVING VERY SLOWLY.�DAMAGING WIND GUSTS, UP 
TO QUARTER SIZE HAIL AND HEAVY RAIN ARE POSSIBLE. 

LOCATIONS AND NEARBY AREAS THAT COULD BE IMPACTED INCLUDE: GALAHAD, 
BIG KNIFE PROVINCIAL PARK, FORESTBURG

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 SOCIAL 
MEDIA USING (HASH)ABSTORM.

HTTP://WEATHER.GC.CA

END/PASPC