WUCN11 CWTO 301728

YELLOW WARNING - SEVERE THUNDERSTORM

FOR SOUTHERN ONTARIO

UPDATED BY ENVIRONMENT CANADA

AT 1:28 P.M. EDT TUESDAY 30 JUNE 2026.

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YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - FOR:

      WESTPORT - CHARLESTON LAKE.



ORANGE LEVEL WARNING - SEVERE THUNDERSTORM - ENDED FOR:

      NAPANEE - CONSECON

      TAMWORTH - SYDENHAM - SOUTH FRONTENAC.



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IMPACT LEVEL: MODERATE

FORECAST CONFIDENCE: HIGH



==DISCUSSION==



UPDATED OR ENDED BY 3:27 P.M. EDT.



AT 1:28 P.M. EDT, ENVIRONMENT CANADA METEOROLOGISTS ARE TRACKING A 

SEVERE THUNDERSTORM CAPABLE OF PRODUCING HEAVY RAIN.



HAZARDS: 

RAIN: HEAVY (30 - 50 MM) 



LOCATIONS IN THE PATH: 

NEWBORO, LYNDHURST, ATHENS



HEAVY RAIN MAY CAUSE FLASH FLOODING AND SIGNIFICANT REDUCTIONS TO 

VISIBILITY. DON'T DRIVE THROUGH FLOODED ROADWAYS. 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 X USING (HASH)ONSTORM. 



FOR MORE INFORMATION: 

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



HTTP://WEATHER.GC.CA



END/OSPC