WUCN12 CWTO 221840
YELLOW WARNING - SEVERE THUNDERSTORM
FOR NORTHERN ONTARIO
UPDATED BY ENVIRONMENT CANADA
AT 2:40 P.M. EDT SATURDAY 22 AUGUST 2026.
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YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - FOR:
      GREATER SUDBURY AND VICINITY
      ELLIOT LAKE - RANGER LAKE.

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IMPACT LEVEL: MODERATE
FORECAST CONFIDENCE: HIGH

==DISCUSSION==

UPDATED OR ENDED BY 3:36 P.M. EDT.

AT�2:37 P.M. EDT,�AN AREA OF SEVERE THUNDERSTORMS�IS LOCATED�OVER 
RUSHBROOK PROVINCIAL PARK.�THESE SEVERE THUNDERSTORMS ARE MOVING 
NORTHEAST AT 25 KM/H.�VERY HEAVY RAIN IS POSSIBLE. 

LOCATIONS AND NEARBY AREAS THAT COULD BE IMPACTED INCLUDE: RUSHBROOK 
PROVINCIAL PARK

RADAR INDICATES THAT OVER 50 MM HAS ALREADY FALLEN. ADDITIONAL 
RAINFALL AMOUNTS IN EXCESS OF 25 MM ARE POSSIBLE.

HEAVY RAIN MAY CAUSE FLASH FLOODING AND SIGNIFICANT REDUCTIONS TO 
VISIBILITY. DON'T DRIVE THROUGH FLOODED ROADWAYS. 

EMERGENCY MANAGEMENT ONTARIO RECOMMENDS THAT YOU TAKE COVER 
IMMEDIATELY IF THREATENING WEATHER APPROACHES. 

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

FOR MORE INFORMATION: 
HTTPS://WWW.ONTARIO.CA/PAGE/BE-PREPARED-EMERGENCY.

HTTP://WEATHER.GC.CA

END/OSPC