WUCN11 CWTO 192307
YELLOW WARNING - SEVERE THUNDERSTORM
FOR SOUTHERN ONTARIO
UPDATED BY ENVIRONMENT CANADA
AT 7:07 P.M. EDT TUESDAY 19 MAY 2026.
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YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - FOR:
      WINDSOR - LEAMINGTON - ESSEX COUNTY
      ST. THOMAS - AYLMER - EASTERN ELGIN COUNTY
      SIMCOE - DELHI - NORFOLK.

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IMPACT LEVEL: MODERATE
FORECAST CONFIDENCE: HIGH

==DISCUSSION==

UPDATED OR ENDED BY 9:06 P.M. EDT.

AT 7:07 P.M. EDT, ENVIRONMENT CANADA METEOROLOGISTS ARE TRACKING A 
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WIND 
GUSTS AND UP TO QUARTER SIZE HAIL.

THUNDERSTORM LOCATION: 
PORT DOVER TO PELEE ISLAND 

MOTION: MOVING QUICKLY TO THE EAST AT 70 KM/H 

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

LOCATIONS IN THE PATH: 
PORT STANLEY 
TILLSONBURG 
OTTERVILLE 
ERIEAU 
DELHI 
VIENNA 
PORT BURWELL 
SIMCOE 
PORT DOVER 
PORT ROWAN

LOCAL UTILITY OUTAGES ARE LIKELY. DAMAGE TO ROOFS, FENCES, SOFT 
SHELTERS OR TREES IS LIKELY. TAKE IMMEDIATE COVER IF A THUNDERSTORM 
APPROACHES. IF OUTSIDE, PROTECT YOURSELF FROM FLYING DEBRIS AND 
HAIL. WHEN THUNDER ROARS, GO INDOORS(EXCLAMATION MARK) LIGHTNING 
KILLS AND INJURES CANADIANS EVERY YEAR. 

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