WUCN12 CWTO 252044

YELLOW WARNING - SEVERE THUNDERSTORM

FOR NORTHERN ONTARIO

UPDATED BY ENVIRONMENT CANADA

AT 4:44 P.M. EDT MONDAY 25 MAY 2026.

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YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - FOR:

      CITY OF THUNDER BAY

      SUPERIOR WEST.



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IMPACT LEVEL: MODERATE

FORECAST CONFIDENCE: HIGH



==DISCUSSION==



UPDATED OR ENDED BY 4:42 P.M. EST (5:42 P.M. EDT).



AT 3:43 P.M. EST (4:43 P.M. EDT), ENVIRONMENT CANADA METEOROLOGISTS 

ARE TRACKING A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING 

WIND GUSTS AND LOONIE TO PING PONG BALL SIZE HAIL.



HAZARDS: 

WIND: DAMAGING (90 - 110 KM/H) 

HAIL: PING PONG BALL SIZE (2.5 TO 4.5 CM) 



LOCATIONS IN THE PATH: 

ROSSLYN VILLAGE 

THUNDER BAY 

SILVER ISLET 

SLEEPING GIANT PROVINCIAL PARK



LOCAL UTILITY OUTAGES ARE LIKELY. TAKE IMMEDIATE COVER IF A 

THUNDERSTORM APPROACHES. IF OUTSIDE, PROTECT YOURSELF FROM FLYING 

DEBRIS AND HAIL. IF YOU HEAR ROARING WIND, SEE A FUNNEL CLOUD, 

FLYING DEBRIS, OR ANY THREATENING WEATHER APPROACHING, TAKE SHELTER 

IMMEDIATELY. 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