489
WWCN15 CWWG 120130
ORANGE WATCH - SEVERE THUNDERSTORM
FOR SOUTHERN ALBERTA
UPDATED BY ENVIRONMENT CANADA
AT 7:30 P.M. MDT TUESDAY 11 AUGUST 2026.
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ORANGE LEVEL WATCH - SEVERE THUNDERSTORM - FOR:
M.D. OF WILLOW CREEK NEAR CLARESHOLM AND STAVELY
CYPRESS HILLS PROVINCIAL PARK - FOREMOST
LETHBRIDGE - TABER - MILK RIVER
CARDSTON - FORT MACLEOD - MAGRATH.
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IMPACT LEVEL: HIGH
FORECAST CONFIDENCE: HIGH
==DISCUSSION==
CONDITIONS ARE FAVOURABLE FOR THE DEVELOPMENT OF DANGEROUS
THUNDERSTORMS THAT MAY BE CAPABLE OF PRODUCING STRONG WIND GUSTS,
DAMAGING HAIL AND HEAVY RAIN.
THUNDERSTORMS WILL CONTINUE TO DEVELOP THIS EVENING AND MOVE TOWARDS
THE EAST TO SOUTHEAST.
SIGNIFICANT DAMAGE TO PROPERTY, BUILDINGS AND TREES IS POSSIBLE.
THERE IS A RISK OF SERIOUS INJURY. 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.
LARGE HAIL CAN CAUSE SIGNIFICANT DAMAGE AND INJURY.
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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