481  
WUCN12 CWTO 202001  
YELLOW WARNING - SEVERE THUNDERSTORM  
FOR NORTHERN ONTARIO  
UPDATED BY ENVIRONMENT CANADA  
AT 4:01 P.M. EDT MONDAY 20 JULY 2026.  
---------------------------------------------------------------------  
YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - FOR:  
GULL BAY - BLACK STURGEON LAKE  
BEARDMORE - JELLICOE - MACDIARMID.  
 
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IMPACT LEVEL: MODERATE  
FORECAST CONFIDENCE: HIGH  
 
==DISCUSSION==  
 
UPDATED OR ENDED BY 5:59 P.M. EDT.  
 
NEAR BLACK STURGEON RIVER PROVINCIAL PARK MOVING EAST AT 40 KM/H  
 
HAZARDS:  
WIND UP TO 90 KM/H  
HAIL UP TO QUARTER SIZE  
 
LOCATIONS IN THE PATH:  
BLACK STURGEON RIVER PROVINCIAL PARK  
 
LARGE HAIL MAY CAUSE SIGNIFICANT DAMAGE AND INJURY. 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, 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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