738  
WUCN11 CWTO 242118  
SEVERE THUNDERSTORM WARNING  
FOR SOUTHERN ONTARIO  
UPDATED BY ENVIRONMENT CANADA  
AT 5:18 P.M. EDT WEDNESDAY 24 SEPTEMBER 2025.  
---------------------------------------------------------------------  
SEVERE THUNDERSTORM WARNING FOR:  
CHATHAM-KENT - RONDEAU PARK.  
 
---------------------------------------------------------------------  
==DISCUSSION==  
 
UPDATED OR ENDED BY 7:17 P.M. EDT.  
 
AT 5:18 P.M. EDT, ENVIRONMENT CANADA METEOROLOGISTS ARE TRACKING A  
SEVERE THUNDERSTORM CAPABLE OF PRODUCING HEAVY RAIN.  
 
THIS SEVERE THUNDERSTORM IS LOCATED 5 KILOMETRES SOUTHEAST OF  
DRESDEN AND IS NEARLY STATIONARY.  
 
HAZARD:  
HEAVY RAIN WITH TOTAL AMOUNTS OF 50 TO 75 MM.  
 
LOCATIONS IMPACTED INCLUDE:  
DRESDEN.  
 
HEAVY RAIN MAY CAUSE FLASH FLOODING AND SIGNIFICANT REDUCTIONS TO  
VISIBILITY. 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 X USING (HASH)ONSTORM.  
 
FOR MORE INFORMATION:  
HTTPS://WWW.ONTARIO.CA/PAGE/BE-PREPARED-EMERGENCY.  
 
HTTP://WEATHER.GC.CA  
 
END/OSPC  
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