651  
WUCN12 CWTO 210011  
YELLOW WARNING - SEVERE THUNDERSTORM  
FOR NORTHERN ONTARIO  
UPDATED BY ENVIRONMENT CANADA  
AT 8:11 P.M. EDT MONDAY 20 JULY 2026.  
---------------------------------------------------------------------  
YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - FOR:  
WAWA - PUKASKWA PARK.  
 
---------------------------------------------------------------------  
IMPACT LEVEL: MODERATE  
FORECAST CONFIDENCE: HIGH  
 
==DISCUSSION==  
 
UPDATED OR ENDED BY 10:09 P.M. EDT.  
 
AT 8:10 P.M. EDT, ENVIRONMENT CANADA METEOROLOGISTS ARE TRACKING A  
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WIND GUSTS AND UP  
TO QUARTER SIZE HAIL.  
 
LOCATION: NEAR RICHARDSON HARBOUR  
 
MOTION: MOVING QUICKLY TO THE EAST AT 70 KM/H  
 
HAZARDS:  
WIND: DAMAGING (90 - 110 KM/H)  
HAIL: UP TO QUARTER SIZE (UP TO 2.5 CM)  
 
LOCATIONS IN THE PATH:  
GANLEY HARBOUR  
MISHIBISHU LAKE  
FALSE DOG HARBOUR  
 
LOCAL UTILITY OUTAGES ARE LIKELY. TAKE IMMEDIATE COVER IF A  
THUNDERSTORM APPROACHES. IF OUTSIDE, PROTECT YOURSELF FROM FLYING  
DEBRIS AND HAIL. WHEN THUNDER ROARS, GO INDOORS(EXCLAMATION MARK)  
LIGHTNING KILLS AND INJURES CANADIANS EVERY YEAR. 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, 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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