721  
WUCN12 CWTO 291938  
YELLOW WARNING - SEVERE THUNDERSTORM  
FOR NORTHERN ONTARIO  
UPDATED BY ENVIRONMENT CANADA  
AT 3:38 P.M. EDT SATURDAY 29 AUGUST 2026.  
---------------------------------------------------------------------  
YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - FOR:  
NORTH BAY - WEST NIPISSING.  
 
---------------------------------------------------------------------  
IMPACT LEVEL: MODERATE  
FORECAST CONFIDENCE: HIGH  
 
==DISCUSSION==  
 
UPDATED OR ENDED BY 4:31 P.M. EDT.  
 
AT 3:37 P.M. EDT, A SEVERE THUNDERSTORM IS LOCATED ABOUT 20 KM  
NORTHWEST OF NORTH BAY. THIS SEVERE THUNDERSTORM IS MOVING EAST AT  
45 KM/H. DAMAGING WIND GUSTS AND UP TO QUARTER SIZE HAIL ARE  
POSSIBLE.  
 
LOCATIONS AND NEARBY AREAS THAT COULD BE IMPACTED INCLUDE:  
WIDDIFIELD FOREST PROVINCIAL PARK, REDBRIDGE  
 
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 LIKELY BE DIFFICULT. DAMAGE TO ROOFS,  
FENCES, SOFT SHELTERS OR TREES IS LIKELY. LARGE HAIL MAY CAUSE  
SIGNIFICANT DAMAGE AND INJURY.  
 
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, 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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