276  
WUCN11 CWTO 271837  
YELLOW WARNING - SEVERE THUNDERSTORM  
FOR SOUTHERN ONTARIO  
UPDATED BY ENVIRONMENT CANADA  
AT 2:37 P.M. EDT MONDAY 27 JULY 2026.  
---------------------------------------------------------------------  
YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - FOR:  
LONDON - PARKHILL - EASTERN MIDDLESEX COUNTY  
GODERICH - BLUEWATER - SOUTHERN HURON COUNTY  
STRATFORD - MITCHELL - SOUTHERN PERTH COUNTY.  
 
YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - ENDED FOR:  
WINGHAM - BLYTH - NORTHERN HURON COUNTY.  
 
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IMPACT LEVEL: MODERATE  
FORECAST CONFIDENCE: HIGH  
 
==DISCUSSION==  
 
UPDATED OR ENDED BY 4:36 P.M. EDT.  
 
AT 2:37 P.M. EDT, ENVIRONMENT CANADA METEOROLOGISTS ARE TRACKING A  
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WIND GUSTS AND  
HEAVY RAIN.  
 
THUNDERSTORM LOCATION:  
BENMILLER TO 15 KM WEST OF BAYFIELD  
 
MOTION: MOVING SOUTHEAST AT 55 KM/H  
 
HAZARDS:  
WIND: DAMAGING (90 - 110 KM/H)  
 
LOCATIONS IN THE PATH:  
BAYFIELD  
ZURICH  
HENSALL  
DUBLIN  
EXETER  
CREDITON  
HURON PARK  
MITCHELL  
CENTRALIA  
LUCAN  
 
LOCAL UTILITY OUTAGES ARE LIKELY. HEAVY RAIN MAY CAUSE FLASH  
FLOODING AND SIGNIFICANT REDUCTIONS TO VISIBILITY. WHEN THUNDER  
ROARS, GO INDOORS(EXCLAMATION MARK) LIGHTNING KILLS AND INJURES  
CANADIANS EVERY YEAR. 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 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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