WUCN11 CWTO 022354

YELLOW WARNING - SEVERE THUNDERSTORM

FOR SOUTHERN ONTARIO

UPDATED BY ENVIRONMENT CANADA

AT 7:54 P.M. EDT WEDNESDAY 2 SEPTEMBER 2026.

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

YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - FOR:

      ELGIN.



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

IMPACT LEVEL: MODERATE

FORECAST CONFIDENCE: HIGH



==DISCUSSION==



UPDATED OR ENDED BY 8:23 P.M. EDT.



AT 7:54 P.M. EDT, A SEVERE THUNDERSTORM IS LOCATED NEAR PORT 

STANLEY. THIS SEVERE THUNDERSTORM IS MOVING EAST AT 60 KM/H. STRONG 

WIND GUSTS, UP TO QUARTER SIZE HAIL AND HEAVY RAIN ARE POSSIBLE. 



LOCATIONS AND NEARBY AREAS THAT COULD BE IMPACTED INCLUDE: PORT 

STANLEY, ST. THOMAS, AYLMER, PORT BURWELL, VIENNA



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. 



HEAVY RAIN MAY CAUSE FLASH FLOODING AND SIGNIFICANT REDUCTIONS TO 

VISIBILITY. AVOID LOW-LYING AREAS. DON'T DRIVE THROUGH FLOODED 

ROADWAYS. LOCAL UTILITY OUTAGES ARE LIKELY. LARGE HAIL MAY CAUSE 

SIGNIFICANT DAMAGE AND INJURY. 



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



WUCN11 CWTO 022354

YELLOW WARNING - SEVERE THUNDERSTORM

FOR SOUTHERN ONTARIO

UPDATED BY ENVIRONMENT CANADA

AT 7:54 P.M. EDT WEDNESDAY 2 SEPTEMBER 2026.

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

YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - FOR:

      SIMCOE - DELHI - NORFOLK.



YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - ENDED FOR:

      ST. THOMAS - AYLMER - EASTERN ELGIN COUNTY.



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

IMPACT LEVEL: MODERATE

FORECAST CONFIDENCE: HIGH



==DISCUSSION==



UPDATED OR ENDED BY 8:53 P.M. EDT.



AT 7:54 P.M. EDT, A SEVERE THUNDERSTORM IS LOCATED OVER GLEN 

MEYER. THIS SEVERE THUNDERSTORM IS MOVING EAST AT 40 KM/H. STRONG 

WIND GUSTS, UP TO QUARTER SIZE HAIL AND HEAVY RAIN ARE POSSIBLE. 



LOCATIONS AND NEARBY AREAS THAT COULD BE IMPACTED INCLUDE: LANGTON, 

PORT ROWAN, ST. WILLIAMS, LONG POINT, LONG POINT PROVINCIAL PARK, 

VITTORIA, TURKEY POINT PROVINCIAL PARK, TURKEY POINT, PORT DOVER



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