WUCN11 CWNT 230249
YELLOW WARNING - SEVERE THUNDERSTORM
FOR THE GREAT SLAVE AND UPPER MACKENZIE AREAS
UPDATED BY ENVIRONMENT CANADA
AT 8:49 P.M. MDT SATURDAY 22 AUGUST 2026.
---------------------------------------------------------------------
YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - FOR:
      FT. PROVIDENCE REGION INCLUDING KAKISA - CHAN LAKE
      FT. SIMPSON REGION INCLUDING JEAN MARIE RIVER.

---------------------------------------------------------------------
IMPACT LEVEL: MODERATE
FORECAST CONFIDENCE: HIGH

==DISCUSSION==

UPDATED OR ENDED BY 10:32 P.M. MDT.

AT�8:48 P.M. MDT,�A SEVERE THUNDERSTORM�IS LOCATED�ABOUT 50 KM 
NORTHWEST OF MILLS LAKE.�THIS SEVERE THUNDERSTORM IS MOVING EAST AT 
30 KM/H.�DAMAGING WIND GUSTS, UP TO QUARTER SIZE HAIL AND HEAVY RAIN 
ARE POSSIBLE. 

LOCATIONS AND NEARBY AREAS THAT COULD BE IMPACTED INCLUDE: MILLS 
LAKE

TAKE IMMEDIATE COVER IF A THUNDERSTORM APPROACHES. IF OUTSIDE, 
PROTECT YOURSELF FROM FLYING DEBRIS AND HAIL. 

SEVERE THUNDERSTORM WARNINGS ARE ISSUED WHEN IMMINENT OR OCCURRING 
THUNDERSTORMS ARE EXPECTED TO PRODUCE DAMAGING HAIL, WIND OR RAIN. 

SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES. 

LARGE HAIL MAY CAUSE SIGNIFICANT DAMAGE AND INJURY. 

PLEASE CONTINUE TO MONITOR ALERTS AND FORECASTS ISSUED BY 
ENVIRONMENT CANADA. TO REPORT SEVERE WEATHER, SEND AN EMAIL TO 
NTSTORM(AT)EC.GC.CA, CALL 1-800-239-0484 OR POST REPORTS ON SOCIAL 
MEDIA USING (HASH)NTSTORM.

HTTP://WEATHER.GC.CA

END/PASPC