681  
WWCN15 CWWG 161618  
YELLOW WATCH - SEVERE THUNDERSTORM  
FOR SOUTHERN ALBERTA  
ISSUED BY ENVIRONMENT CANADA  
AT 10:18 A.M. MDT TUESDAY 16 JUNE 2026.  
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YELLOW LEVEL WATCH - SEVERE THUNDERSTORM - FOR:  
=NEW= CITY OF CALGARY  
=NEW= OKOTOKS - HIGH RIVER - CLARESHOLM  
=NEW= AIRDRIE - COCHRANE - OLDS - SUNDRE  
=NEW= DRUMHELLER - THREE HILLS  
=NEW= BROOKS - STRATHMORE - VULCAN  
=NEW= CLEARWATER CO. NEAR CAROLINE AND JAMES RIVER BRIDGE  
=NEW= RED DEER CO. NEAR SPRUCE VIEW AND RED LODGE PROV. PARK  
=NEW= RED DEER CO. NEAR PENHOLD INNISFAIL AND BOWDEN  
=NEW= RED DEER CO. NEAR PINE LAKE  
=NEW= RED DEER CO. NEAR ELNORA LOUSANA AND DELBURNE  
=NEW= CO. OF STETTLER NEAR BIG VALLEY  
=NEW= CO. OF STETTLER NEAR BYEMOOR AND ENDIANG  
=NEW= S.A. 2 NEAR SPONDIN AND SCAPA  
=NEW= S.A. 2 NEAR HANNA AND RICHDALE  
=NEW= S.A. 2 NEAR SUNNYNOOK  
=NEW= S.A. 2 NEAR CESSFORD WARDLOW AND POLLOCKVILLE  
=NEW= S.A. 4 NEAR HEMARUKA WISTE AND MONITOR CREEK  
=NEW= S.A. 3 NEAR YOUNGSTOWN  
=NEW= S.A. 3 NEAR BIG STONE CAPPON AND GOLD SPUR  
=NEW= S.A. 3 NEAR SEDALIA AND NEW BRIGDEN  
=NEW= S.A. 3 NEAR OYEN AND CEREAL  
=NEW= S.A. 3 NEAR SIBBALD AND ESTHER  
=NEW= M.D. OF ACADIA INCLUDING ACADIA VALLEY  
=NEW= MEDICINE HAT - BOW ISLAND - SUFFIELD  
=NEW= CYPRESS HILLS PROVINCIAL PARK - FOREMOST  
=NEW= LETHBRIDGE - TABER - MILK RIVER.  
 
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IMPACT LEVEL: MODERATE  
FORECAST CONFIDENCE: HIGH  
 
==DISCUSSION==  
 
CONDITIONS ARE FAVOURABLE FOR THE DEVELOPMENT OF SEVERE  
THUNDERSTORMS THIS AFTERNOON AND EVENING, WHICH MAY BE CAPABLE OF  
PRODUCING STRONG WIND GUSTS, LARGE HAIL AND HEAVY RAIN.  
 
THERE IS ALSO A SLIGHT CHANCE OF A TORNADO.  
 
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. STRONG WIND GUSTS CAN DAMAGE TREES, BUILDINGS AND  
OVERTURN VEHICLES. 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 X USING  
(HASH)ABSTORM.  
 
HTTP://WEATHER.GC.CA  
 
END/PASPC  
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