WUCN15 CWWG 120244

YELLOW WARNING - SEVERE THUNDERSTORM

FOR SOUTHERN ALBERTA

UPDATED BY ENVIRONMENT CANADA

AT 8:44 P.M. MDT TUESDAY 11 AUGUST 2026.

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YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - FOR:

      KNEEHILL CO. NEAR ACME AND LINDEN

      KNEEHILL CO. NEAR CARBON

      WHEATLAND CO. NEAR ROCKYFORD AND ROSEBUD

      TOWN OF DRUMHELLER.



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IMPACT LEVEL: MODERATE

FORECAST CONFIDENCE: HIGH



==DISCUSSION==



UPDATED OR ENDED BY 9:41 P.M. MDT.



AT 8:42 P.M. MDT, A SEVERE THUNDERSTORM IS LOCATED OVER CARBON. THIS 

SEVERE THUNDERSTORM IS MOVING EAST AT 35 KM/H. DAMAGING WIND GUSTS, 

UP TO QUARTER SIZE HAIL AND HEAVY RAIN ARE POSSIBLE. 



LOCATIONS AND NEARBY AREAS THAT COULD BE IMPACTED INCLUDE: CARBON, 

ROSEBUD, DRUMHELLER



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. 



DRIVING CONDITIONS WILL LIKELY BE DIFFICULT. LARGE HAIL MAY CAUSE 

SIGNIFICANT DAMAGE AND INJURY. 



SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES. 



WHEN THUNDER ROARS, GO INDOORS(EXCLAMATION MARK) LIGHTNING KILLS AND 

INJURES CANADIANS EVERY YEAR. IF YOU HEAR ROARING WIND, SEE A FUNNEL 

CLOUD, FLYING DEBRIS, OR ANY THREATENING WEATHER APPROACHING, TAKE 

SHELTER IMMEDIATELY. 



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