WUCN11 CWTO 272002

YELLOW WARNING - SEVERE THUNDERSTORM

FOR SOUTHERN ONTARIO

UPDATED BY ENVIRONMENT CANADA

AT 4:02 P.M. EDT MONDAY 27 JULY 2026.

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YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - FOR:

      WATFORD - PINERY PARK - EASTERN LAMBTON COUNTY

      RODNEY - SHEDDEN - WESTERN ELGIN COUNTY

      STRATHROY - KOMOKA - WESTERN MIDDLESEX COUNTY.



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IMPACT LEVEL: MODERATE

FORECAST CONFIDENCE: HIGH



==DISCUSSION==



UPDATED OR ENDED BY 6:00 P.M. EDT.



AT 4:01 P.M. EDT, ENVIRONMENT CANADA METEOROLOGISTS ARE TRACKING A 

SEVERE THUNDERSTORM CAPABLE OF PRODUCING STRONG WIND GUSTS, LOONIE 

TO PING PONG BALL SIZE HAIL AND HEAVY RAIN.



THUNDERSTORM LOCATION: OVER WATFORD 



MOTION: MOVING SOUTHEAST AT 55 KM/H 



HAZARDS: 

WIND: STRONG (UP TO 90 KM/H) 

HAIL: QUARTER TO PING PONG (2.5 TO 4.5 CM) 



LOCATIONS IN THE PATH: 

KERWOOD 

GLENCOE 

MELBOURNE 

RODNEY 

WEST LORNE 

DUTTON 

SHEDDEN 

FINGAL 

JOHN E. PEARCE PROVINCIAL PARK 

PORT STANLEY



LOCAL UTILITY OUTAGES ARE LIKELY. HEAVY RAIN MAY CAUSE FLASH 

FLOODING AND SIGNIFICANT REDUCTIONS TO VISIBILITY. LARGE HAIL MAY 

CAUSE SIGNIFICANT DAMAGE AND INJURY. 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. 



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 SOCIAL MEDIA USING 

(HASH)ONSTORM. 



FOR MORE INFORMATION: 

HTTPS://WWW.ONTARIO.CA/PAGE/BE-PREPARED-EMERGENCY.



HTTP://WEATHER.GC.CA



END/OSPC