701
WOCN11 CWTO 180546
YELLOW ADVISORY - FOG
FOR SOUTHERN ONTARIO
UPDATED BY ENVIRONMENT CANADA
AT 12:46 A.M. EST THURSDAY 18 DECEMBER 2025.
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YELLOW LEVEL ADVISORY - FOG - FOR:
=NEW= STRATFORD - MITCHELL - SOUTHERN PERTH COUNTY
=NEW= KITCHENER - CAMBRIDGE - REGION OF WATERLOO
ELGIN
LONDON - MIDDLESEX
SIMCOE - DELHI - NORFOLK
DUNNVILLE - CALEDONIA - HALDIMAND
OXFORD - BRANT
NIAGARA
CITY OF HAMILTON.
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IMPACT LEVEL: MODERATE
FORECAST CONFIDENCE: HIGH
==DISCUSSION==
DENSE FOG HAS DEVELOPED AND WILL DISSIPATE THIS MORNING.
VISIBILITY WILL LIKELY BE SUDDENLY REDUCED AT TIMES.
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 ABOUT THE ALERTING PROGRAM, PLEASE VISIT:
HTTPS://WWW.CANADA.CA/EN/SERVICES/ENVIRONMENT/WEATHER/SEVEREWEATHER/WEATHER-ALERTS/COLOUR-CODED-ALERTS.
HTTP://WEATHER.GC.CA
END/OSPC
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