WUCN11 CWTO 192310
YELLOW WARNING - SEVERE THUNDERSTORM
FOR SOUTHERN ONTARIO
UPDATED BY ENVIRONMENT CANADA
AT 7:10 P.M. EDT TUESDAY 19 MAY 2026.
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YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - FOR:
=NEW= NEWMARKET - GEORGINA - NORTHERN YORK REGION
=NEW= UXBRIDGE - BEAVERTON - NORTHERN DURHAM REGION
=NEW= LINDSAY - SOUTHERN KAWARTHA LAKES
=NEW= FENELON FALLS - BALSAM LAKE PARK - NORTHERN KAWARTHA LAKES
      INNISFIL - NEW TECUMSETH - ANGUS
      ORILLIA - LAGOON CITY - WASHAGO.

YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - ENDED FOR:
      BARRIE - COLLINGWOOD - HILLSDALE.

YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - REPLACES RED LEVEL 
WARNING - TORNADO - FOR:
      FENELON FALLS - BALSAM LAKE PARK - NORTHERN KAWARTHA LAKES.

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IMPACT LEVEL: MODERATE
FORECAST CONFIDENCE: HIGH

==DISCUSSION==

UPDATED OR ENDED BY 9:08 P.M. EDT.

AT 7:09 P.M. EDT, ENVIRONMENT CANADA METEOROLOGISTS ARE TRACKING A 
SEVERE THUNDERSTORM CAPABLE OF PRODUCING STRONG WIND GUSTS AND HEAVY 
RAIN.

THUNDERSTORM LOCATION: OVER GEORGINA ISLAND 

MOTION: MOVING EAST AT 60 KM/H 

HAZARDS: 
WIND: DAMAGING (90 - 100 KM/H) 
RAIN: HEAVY (15 - 40 MM) 

LOCATIONS IN THE PATH: 
BRECHIN 
BEAVERTON 
SUNDERLAND 
CANNINGTON 
KIRKFIELD 
KAWARTHA LAKES

DRIVING CONDITIONS WILL LIKELY BE DIFFICULT. LOCAL UTILITY OUTAGES 
ARE LIKELY. DAMAGE TO ROOFS, FENCES, SOFT SHELTERS OR TREES IS 
LIKELY. 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 IN ONTARIO, 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