925  
WUCN11 CWTO 021933  
YELLOW WARNING - SEVERE THUNDERSTORM  
FOR SOUTHERN ONTARIO  
UPDATED BY ENVIRONMENT CANADA  
AT 3:33 P.M. EDT WEDNESDAY 2 SEPTEMBER 2026.  
---------------------------------------------------------------------  
YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - FOR:  
CITY OF TORONTO  
PICKERING - OSHAWA - SOUTHERN DURHAM REGION.  
 
YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - ENDED FOR:  
VAUGHAN - RICHMOND HILL - MARKHAM.  
 
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IMPACT LEVEL: MODERATE  
FORECAST CONFIDENCE: HIGH  
 
==DISCUSSION==  
 
UPDATED OR ENDED BY 4:01 P.M. EDT.  
 
AT 3:32 P.M. EDT, A SEVERE THUNDERSTORM IS LOCATED OVER  
PICKERING. THIS SEVERE THUNDERSTORM IS MOVING EAST AT 55  
KM/H. DAMAGING WIND GUSTS, UP TO QUARTER SIZE HAIL AND HEAVY RAIN  
ARE POSSIBLE.  
 
LOCATIONS AND NEARBY AREAS THAT COULD BE IMPACTED INCLUDE:  
SCARBOROUGH, PICKERING, PICKERING BEACH  
 
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.  
 
LOCAL UTILITY OUTAGES ARE LIKELY. DAMAGE TO ROOFS, FENCES, SOFT  
SHELTERS OR TREES IS LIKELY. HEAVY RAIN MAY CAUSE FLASH FLOODING AND  
SIGNIFICANT REDUCTIONS TO VISIBILITY. LARGE HAIL MAY CAUSE  
SIGNIFICANT DAMAGE AND INJURY. THERE IS A RISK OF INJURY. AVOID  
LOW-LYING AREAS.  
 
SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES.  
 
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  
 
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