WUCN15 CWWG 120054

YELLOW WARNING - SEVERE THUNDERSTORM

FOR SOUTHERN ALBERTA

UPDATED BY ENVIRONMENT CANADA

AT 6:54 P.M. MDT TUESDAY 11 AUGUST 2026.

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YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - FOR:

      CO. OF LETHBRIDGE NEAR PICTURE BUTTE AND TURIN

      CO. OF LETHBRIDGE NEAR COALDALE

      M.D. OF TABER NEAR TABER AND BARNWELL.



YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - ENDED FOR:

      CO. OF LETHBRIDGE NEAR COALHURST NOBLEFORD AND BARONS

      CITY OF LETHBRIDGE.



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IMPACT LEVEL: MODERATE

FORECAST CONFIDENCE: HIGH



==DISCUSSION==



UPDATED OR ENDED BY 7:51 P.M. MDT.



AT 6:52 P.M. MDT, A SEVERE THUNDERSTORM IS LOCATED OVER DIAMOND 

CITY. THIS SEVERE THUNDERSTORM IS MOVING SOUTHEAST AT 40 

KM/H. DAMAGING WIND GUSTS, LOONIE TO PING PONG BALL SIZE HAIL AND 

HEAVY RAIN ARE POSSIBLE. 



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

TABER



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. 



HEAVY RAIN MAY CAUSE FLASH FLOODING AND SIGNIFICANT REDUCTIONS TO 

VISIBILITY. 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. 



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