WUCN11 CWTO 192100
YELLOW WARNING - SEVERE THUNDERSTORM
FOR SOUTHERN ONTARIO
ISSUED BY ENVIRONMENT CANADA
AT 5:00 P.M. EDT TUESDAY 19 MAY 2026.
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YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - FOR:
      LONDON - MIDDLESEX.

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IMPACT LEVEL: MODERATE
FORECAST CONFIDENCE: HIGH

==DISCUSSION==

UPDATED OR ENDED BY 6:58 P.M. EDT.

AT 4:59 P.M. EDT, ENVIRONMENT CANADA METEOROLOGISTS ARE TRACKING A 
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WIND GUSTS AND UP 
TO QUARTER SIZE HAIL.

THUNDERSTORM LOCATION: OVER POPLAR HILL 

MOTION: MOVING EAST AT 60 KM/H 

HAZARDS: 
WIND: DAMAGING (90 - 110 KM/H) 
HAIL: UP TO QUARTER SIZE (UP TO 2.5 CM) 

LOCATIONS IN THE PATH: 
STRATHROY 
MOUNT BRYDGES 
DELAWARE 
KOMOKA 
ETTRICK 
LONDON

LOCAL UTILITY OUTAGES ARE LIKELY. DAMAGE TO ROOFS, FENCES, SOFT 
SHELTERS OR TREES IS LIKELY. 

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