058  
WUCN12 CWTO 210307  
YELLOW WARNING - SEVERE THUNDERSTORM  
FOR NORTHERN ONTARIO  
UPDATED BY ENVIRONMENT CANADA  
AT 11:07 P.M. EDT MONDAY 20 JULY 2026.  
---------------------------------------------------------------------  
YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - FOR:  
CHAPLEAU - MISSINAIBI LAKE.  
 
YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - ENDED FOR:  
AGAWA - LAKE SUPERIOR PARK.  
 
---------------------------------------------------------------------  
IMPACT LEVEL: MODERATE  
FORECAST CONFIDENCE: HIGH  
 
==DISCUSSION==  
 
UPDATED OR ENDED BY 1:06 A.M. EDT.  
 
AT 11:07 P.M. EDT, ENVIRONMENT CANADA METEOROLOGISTS ARE TRACKING A  
SEVERE THUNDERSTORM CAPABLE OF PRODUCING STRONG WIND GUSTS.  
 
THUNDERSTORM LOCATION:  
OVER THE SHOALS PROVINCIAL PARK  
 
MOTION: MOVING EAST AT 45 KM/H  
 
HAZARDS:  
WIND: STRONG (UP TO 90 KM/H)  
 
LOCATIONS IN THE PATH:  
THE SHOALS PROVINCIAL PARK  
CHAPLEAU  
 
LOCAL UTILITY OUTAGES ARE LIKELY. TAKE IMMEDIATE COVER IF A  
THUNDERSTORM APPROACHES. IF OUTSIDE, PROTECT YOURSELF FROM FLYING  
DEBRIS. WHEN THUNDER ROARS, GO INDOORS(EXCLAMATION MARK) LIGHTNING  
KILLS AND INJURES CANADIANS EVERY YEAR.  
 
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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