018  
WUCN11 CWTO 022045  
RED WARNING - SEVERE THUNDERSTORM  
FOR SOUTHERN ONTARIO  
UPDATED BY ENVIRONMENT CANADA  
AT 4:45 P.M. EDT WEDNESDAY 2 SEPTEMBER 2026.  
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RED LEVEL WARNING - SEVERE THUNDERSTORM - FOR:  
=NEW= WOODSTOCK - TILLSONBURG - OXFORD COUNTY  
=NEW= MOUNT FOREST - ARTHUR - NORTHERN WELLINGTON COUNTY  
LONDON - PARKHILL - EASTERN MIDDLESEX COUNTY  
HURON - PERTH.  
 
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IMPACT LEVEL: EXTREME  
FORECAST CONFIDENCE: VERY HIGH  
 
==DISCUSSION==  
 
UPDATED OR ENDED BY 5:43 P.M. EDT.  
 
AT 4:44 P.M. EDT, A LINE OF EXTREMELY DANGEROUS THUNDERSTORMS IS  
LOCATED FROM ABOUT BOGIES BEACH TO BAYFIELD THEN TO 15 KM NORTH OF  
IPPERWASH BEACH. THESE EXTREMELY DANGEROUS THUNDERSTORMS ARE MOVING  
QUICKLY TO THE EAST AT 75 KM/H. DESTRUCTIVE WIND GUSTS, LOONIE TO  
PING PONG BALL SIZE HAIL AND HEAVY RAIN ARE POSSIBLE.  
 
LOCATIONS AND NEARBY AREAS THAT COULD BE IMPACTED INCLUDE: BAYFIELD,  
GRAND BEND, WINGHAM, HENSALL, EXETER, MITCHELL, LISTOWEL, LUCAN,  
PALMERSTON, STRATFORD  
 
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.  
 
DRIVING CONDITIONS WILL BE DIFFICULT. BUILDINGS AND/OR MANY TREES  
WILL BE DESTROYED. LARGE HAIL WILL CAUSE SIGNIFICANT DAMAGE AND  
INJURY. THERE IS A RISK OF LIFE-THREATENING 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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