794  
WUCN16 CWWG 280425  
YELLOW WARNING - SEVERE THUNDERSTORM  
FOR NORTHERN ALBERTA  
UPDATED BY ENVIRONMENT CANADA  
AT 10:25 P.M. MDT THURSDAY 27 AUGUST 2026.  
---------------------------------------------------------------------  
YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - FOR:  
=NEW= M.D. OF LESSER SLAVE RIVER NEAR SMITH AND FAWCETT LAKE  
WOODLANDS CO. NEAR FORT ASSINIBOINE TIMEU AND TOPLAND  
M.D. OF LESSER SLAVE RIVER NEAR CHISHOLM AND CROSS LAKE  
BIG LAKES COUNTY NEAR DRIFTPILE FAUST AND KINUSO  
M.D. OF LESSER SLAVE RIVER NEAR SLAVE LAKE AND SAULTEAUX.  
 
YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - ENDED FOR:  
BIG LAKES COUNTY NEAR SWAN HILLS.  
 
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IMPACT LEVEL: MODERATE  
FORECAST CONFIDENCE: HIGH  
 
==DISCUSSION==  
 
UPDATED OR ENDED BY 11:08 P.M. MDT.  
 
AT 10:24 P.M. MDT, A LINE OF SEVERE THUNDERSTORMS IS LOCATED FROM  
ABOUT 25 KM SOUTHWEST OF CHISHOLM TO 30 KM SOUTHWEST OF SLAVE  
LAKE. THESE SEVERE THUNDERSTORMS ARE MOVING NORTHEAST AT 55  
KM/H. DAMAGING WIND GUSTS AND HEAVY RAIN ARE POSSIBLE.  
 
LOCATIONS AND NEARBY AREAS THAT COULD BE IMPACTED INCLUDE: SLAVE  
LAKE, LESSER SLAVE LAKE PROVINCIAL PARK  
 
STRONG WINDS MAY AFFECT AREAS WELL AHEAD OF THE STORMS.  
 
SEVERE THUNDERSTORM WARNINGS ARE ISSUED WHEN IMMINENT OR OCCURRING  
THUNDERSTORMS ARE EXPECTED TO PRODUCE DAMAGING HAIL, WIND OR RAIN.  
 
DAMAGE TO ROOFS, FENCES, SOFT SHELTERS OR TREES IS LIKELY. THERE IS  
A RISK OF INJURY. DRIVING CONDITIONS WILL LIKELY BE DIFFICULT.  
 
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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