WUCN11 CWTO 092203
YELLOW WARNING - SEVERE THUNDERSTORM
FOR SOUTHERN ONTARIO
ISSUED BY ENVIRONMENT CANADA
AT 6:03 P.M. EDT THURSDAY 9 JULY 2026.
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YELLOW LEVEL WARNING - SEVERE THUNDERSTORM - FOR:
=NEW= LONDON - PARKHILL - EASTERN MIDDLESEX COUNTY
=NEW= WOODSTOCK - TILLSONBURG - OXFORD COUNTY.

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IMPACT LEVEL: MODERATE
FORECAST CONFIDENCE: HIGH

==DISCUSSION==

UPDATED OR ENDED BY 8:01 P.M. EDT.

AT 6:02 P.M. EDT, ENVIRONMENT CANADA METEOROLOGISTS ARE TRACKING A 
SEVERE THUNDERSTORM CAPABLE OF PRODUCING STRONG WIND GUSTS AND HEAVY 
RAIN.

THUNDERSTORM LOCATION: 
OVER THAMESFORD 

MOTION: 
MOVING EAST AT 50 KM/H 

HAZARDS: 
WIND: STRONG (UP TO 90 KM/H) 
TORRENTIAL DOWNPOURS 

LOCATIONS IN THE PATH: 
THAMESFORD 
WOODSTOCK

DAMAGE TO ROOFS, FENCES, SOFT SHELTERS OR TREES IS LIKELY. HEAVY 
RAIN MAY CAUSE FLASH FLOODING AND SIGNIFICANT REDUCTIONS TO 
VISIBILITY. 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