782  
WUCN13 CWTO 212132  
SEVERE THUNDERSTORM WARNING  
FOR FAR NORTHERN ONTARIO  
UPDATED BY ENVIRONMENT CANADA  
AT 5:32 P.M. EDT THURSDAY 21 AUGUST 2025.  
---------------------------------------------------------------------  
SEVERE THUNDERSTORM WARNING FOR:  
BIG TROUT LAKE - KASABONIKA.  
 
SEVERE THUNDERSTORM WARNING ENDED FOR:  
SACHIGO LAKE - BEARSKIN LAKE.  
 
---------------------------------------------------------------------  
==DISCUSSION==  
 
UPDATED OR ENDED BY 6:31 P.M. CDT (7:31 P.M. EDT).  
 
AT 4:32 P.M. CDT (5:32 P.M. EDT), ENVIRONMENT CANADA METEOROLOGISTS  
ARE TRACKING A SEVERE THUNDERSTORM CAPABLE OF PRODUCING STRONG WIND  
GUSTS, UP TO NICKEL SIZE HAIL AND HEAVY RAIN.  
 
THIS SEVERE THUNDERSTORM IS LOCATED 87 KILOMETRES NORTH OF WEIR  
LAKE, MOVING EAST AT 50 KM/H.  
 
HAZARD: 90 KM/H WIND GUSTS, HEAVY DOWNPOURS WITH LOCAL RAINFALL  
AMOUNTS UP TO 50 MM, AND NICKEL SIZE HAIL.  
 
LOCATIONS IMPACTED INCLUDE:  
AGUSK LAKE.  
 
HEAVY RAIN MAY CAUSE FLASH FLOODING AND SIGNIFICANT REDUCTIONS TO  
VISIBILITY. TAKE IMMEDIATE COVER IF A THUNDERSTORM APPROACHES. IF  
OUTSIDE, PROTECT YOURSELF FROM FLYING DEBRIS AND HAIL. AVOID  
LOW-LYING AREAS.  
 
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  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab CANADA Page Main Text Page