623
WOCN11 CWTO 091811
FROST ADVISORY
FOR SOUTHERN ONTARIO
UPDATED BY ENVIRONMENT CANADA
AT 2:11 P.M. EDT THURSDAY 9 OCTOBER 2025.
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FROST ADVISORY FOR:
=NEW= CITY OF TORONTO
=NEW= NIAGARA
=NEW= BURLINGTON - OAKVILLE
CHATHAM-KENT - RONDEAU PARK
SARNIA - LAMBTON
ELGIN
LONDON - MIDDLESEX
SIMCOE - DELHI - NORFOLK
DUNNVILLE - CALEDONIA - HALDIMAND
OXFORD - BRANT
CITY OF HAMILTON
CALEDON
MISSISSAUGA - BRAMPTON
HALTON HILLS - MILTON
YORK - DURHAM
BELLEVILLE - QUINTE - NORTHUMBERLAND
KINGSTON - PRINCE EDWARD
BROCKVILLE - PRESCOTT
GANANOQUE - MALLORYTOWN.
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==DISCUSSION==
FROST MAY DAMAGE SOME CROPS IN FROST-PRONE AREAS.
TEMPERATURES ARE EXPECTED TO DROP TO NEAR ZERO DEGREES CELSIUS
TONIGHT INTO EARLY FRIDAY MORNING.
COVER UP PLANTS, ESPECIALLY THOSE IN FROST-PRONE AREAS. TAKE
PREVENTATIVE MEASURES TO PROTECT FROST-SENSITIVE PLANTS AND TREES.
FROST ADVISORIES ARE ISSUED WHEN TEMPERATURES ARE EXPECTED TO REACH
THE FREEZING MARK DURING THE GROWING SEASON, LEADING TO POTENTIAL
DAMAGE AND DESTRUCTION TO PLANTS AND CROPS.
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.
HTTP://WEATHER.GC.CA
END/OSPC
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