067  
WUCN12 CWTO 202118  
YELLOW WARNING - SEVERE THUNDERSTORM  
FOR NORTHERN ONTARIO  
UPDATED BY ENVIRONMENT CANADA  
AT 5:18 P.M. EDT MONDAY 20 JULY 2026.  
---------------------------------------------------------------------  
YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - FOR:  
=NEW= NAKINA - AROLAND - PAGWA  
BEARDMORE - JELLICOE - MACDIARMID  
GERALDTON - LONGLAC - CARAMAT.  
 
---------------------------------------------------------------------  
IMPACT LEVEL: MODERATE  
FORECAST CONFIDENCE: HIGH  
 
==DISCUSSION==  
 
UPDATED OR ENDED BY 7:16 P.M. EDT.  
 
THUNDERSTORM LOCATION:  
25 KM (25 KM) SOUTHWEST OF AROLAND  
30 KM (29 KM) WEST OF DICKISON LAKE  
MOTION: MOVING EAST AT 60 KM/H  
 
HAZARDS:  
WIND UP TO 90 KM/H  
HAIL UP TO LOONIE SIZE  
THERE IS ALSO A RISK OF A TORNADO THIS EVENING  
 
LOCATIONS IN THE PATH:  
TREPTOW LAKE  
WILDGOOSE LAKE  
WINTERING LAKE  
GAMSBY LAKE  
DICKISON LAKE  
GERALDTON  
NAKINA  
NAKINA MORAINE PROVINCIAL PARK  
MACLEOD PROVINCIAL PARK  
LONGLAC  
 
LOCAL UTILITY OUTAGES ARE LIKELY. 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 THUNDERSTORMS CAN PRODUCE TORNADOES. 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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