WUCN11 CWTO 081233

YELLOW WARNING - SEVERE THUNDERSTORM

FOR SOUTHERN ONTARIO

UPDATED BY ENVIRONMENT CANADA

AT 8:33 A.M. EDT SATURDAY 8 AUGUST 2026.

---------------------------------------------------------------------

YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - FOR:

      BAYFIELD INLET - DUNCHURCH.



---------------------------------------------------------------------

IMPACT LEVEL: MODERATE

FORECAST CONFIDENCE: HIGH



==DISCUSSION==



UPDATED OR ENDED BY 10:31 A.M. EDT.



AT 8:32 A.M. EDT, ENVIRONMENT CANADA METEOROLOGISTS ARE TRACKING A 

SEVERE THUNDERSTORM CAPABLE OF PRODUCING STRONG WIND GUSTS, LOONIE 

TO PING PONG BALL SIZE HAIL AND HEAVY RAIN.



THUNDERSTORM LOCATION: OVER ARDBEG 



MOTION: MOVING EAST AT 45 KM/H 



HAZARDS: 

WIND: STRONG (UP TO 90 KM/H) 

HAIL: LOONIE TO PING PONG BALL SIZE (2.5 TO 4.5 CM) 

RAIN: HEAVY (15 - 50 MM) 



LOCATIONS IN THE PATH: 

ARDBEG, WAHWASHKESH, LORIMER LAKE, WHITESTONE, MAPLE ISLAND, 

DUNCHURCH, AHMIC HARBOUR, MAGNETAWAN, PORT ANSON, PORT CARMEN



LARGE HAIL MAY CAUSE SIGNIFICANT DAMAGE AND INJURY. 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. 



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 IN ONTARIO, 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