264
WWCN15 CWWG 120601
YELLOW WATCH - SEVERE THUNDERSTORM
FOR SOUTHERN ALBERTA
UPDATED BY ENVIRONMENT CANADA
AT 12:01 A.M. MDT WEDNESDAY 12 AUGUST 2026.
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YELLOW LEVEL WATCH - SEVERE THUNDERSTORM - FOR:
CYPRESS HILLS PROVINCIAL PARK - FOREMOST
LETHBRIDGE - TABER - MILK RIVER.
YELLOW LEVEL WATCH - SEVERE THUNDERSTORM - ENDED FOR:
CITY OF CALGARY
OKOTOKS - HIGH RIVER - CLARESHOLM
AIRDRIE - COCHRANE - OLDS - SUNDRE
DRUMHELLER - THREE HILLS
BROOKS - STRATHMORE - VULCAN
KANANASKIS - CANMORE
CARDSTON - FORT MACLEOD - MAGRATH
CROWSNEST PASS - PINCHER CREEK - WATERTON LAKES NAT. PARK.
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IMPACT LEVEL: MODERATE
FORECAST CONFIDENCE: HIGH
==DISCUSSION==
CONDITIONS ARE FAVOURABLE FOR THE DEVELOPMENT OF SEVERE
THUNDERSTORMS THAT MAY BE CAPABLE OF PRODUCING STRONG WIND GUSTS,
LARGE HAIL AND HEAVY RAIN.
THUNDERSTORMS WILL CONTINUE INTO THE NIGHT. THERE IS A POSSIBILITY
THAT SOME OF THESE STORMS MAY BECOME SEVERE.
DRIVING CONDITIONS MAY BE DIFFICULT. BE PREPARED FOR SEVERE WEATHER.
IF THREATENING WEATHER APPROACHES, TAKE COVER IN A BASEMENT OR
INTERIOR ROOM. IF OUTSIDE, PROTECT YOURSELF FROM FLYING DEBRIS AND
HAIL. WHEN THUNDER ROARS, GO INDOORS(EXCLAMATION MARK) LIGHTNING
KILLS AND INJURES CANADIANS EVERY YEAR.
SEVERE THUNDERSTORM WATCHES ARE ISSUED WHEN CONDITIONS ARE
FAVOURABLE FOR THE DEVELOPMENT OF THUNDERSTORMS CAPABLE OF PRODUCING
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
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