033
WWCN15 CWWG 120306
YELLOW WATCH - SEVERE THUNDERSTORM
FOR SOUTHERN ALBERTA
UPDATED BY ENVIRONMENT CANADA
AT 9:06 P.M. MDT TUESDAY 11 AUGUST 2026.
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YELLOW LEVEL WATCH - SEVERE THUNDERSTORM - FOR:
CITY OF CALGARY
ROCKY VIEW CO. NEAR BRAGG CREEK AND TSUU T'INA RES.
FOOTHILLS CO. NEAR PRIDDIS AND BROWN-LOWERY PROV. PARK
FOOTHILLS CO. NEAR DIAMOND VALLEY
FOOTHILLS CO. NEAR LONGVIEW AND EDEN VALLEY RES.
FOOTHILLS CO. NEAR OKOTOKS AND DE WINTON
FOOTHILLS CO. NEAR HIGH RIVER AND ALDERSYDE
FOOTHILLS CO. NEAR CAYLEY
M.D. OF WILLOW CREEK NEAR NANTON AND PARKLAND
AIRDRIE - COCHRANE - OLDS - SUNDRE
DRUMHELLER - THREE HILLS
BROOKS - STRATHMORE - VULCAN
KANANASKIS - CANMORE
CROWSNEST PASS - PINCHER CREEK - WATERTON LAKES NAT. PARK.
YELLOW LEVEL WATCH - SEVERE THUNDERSTORM - ENDED FOR:
NORDEGG - FORESTRY TRUNK ROAD HIGHWAY 734
ROCKY MOUNTAIN HOUSE - CAROLINE.
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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 THIS EVENING. SOME OF THESE
THUNDERSTORMS 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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