118  
WWCN11 CWTO 250843  
HEAT WARNING  
FOR SOUTHERN ONTARIO  
UPDATED BY ENVIRONMENT CANADA  
AT 4:43 A.M. EDT MONDAY 25 SEPTEMBER 2017.  
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HEAT WARNING FOR:  
CITY OF TORONTO  
WINDSOR - ESSEX - CHATHAM-KENT  
SARNIA - LAMBTON  
ELGIN  
LONDON - MIDDLESEX  
SIMCOE - DELHI - NORFOLK  
DUNNVILLE - CALEDONIA - HALDIMAND  
OXFORD - BRANT  
NIAGARA  
CITY OF HAMILTON  
HALTON - PEEL  
YORK - DURHAM  
STRATFORD - MITCHELL - SOUTHERN PERTH COUNTY  
LISTOWEL - MILVERTON - NORTHERN PERTH COUNTY  
WATERLOO - WELLINGTON  
DUFFERIN - INNISFIL  
BARRIE - ORILLIA - MIDLAND  
BELLEVILLE - QUINTE - NORTHUMBERLAND  
NAPANEE - CONSECON  
KINGSTON - ODESSA - FRONTENAC ISLANDS  
PETERBOROUGH - KAWARTHA LAKES  
STIRLING - TWEED - SOUTH FRONTENAC  
BANCROFT - BON ECHO PARK  
BROCKVILLE - LEEDS AND GRENVILLE  
CITY OF OTTAWA  
GATINEAU  
PRESCOTT AND RUSSELL  
CORNWALL - MORRISBURG  
SMITHS FALLS - LANARK - SHARBOT LAKE  
RENFREW - PEMBROKE - BARRY'S BAY.  
 
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==DISCUSSION==  
 
HOT AND HUMID CONDITIONS WILL CONTINUE EARLY THIS WEEK.  
 
MOSTLY SUNNY SKIES WILL ALLOW DAYTIME TEMPERATURES TO REACH THE LOW  
THIRTIES, WITH HUMIDEX VALUES APPROACHING FORTY AGAIN TODAY.  
 
A COLD FRONT IS EXPECTED TO MOVE ACROSS SOUTHERN ONTARIO THROUGH THE  
DAY WEDNESDAY BRINGING COOLER TEMPERATURES FOR THE REMAINDER OF THE  
WEEK.  
 
EXTREME HEAT AFFECTS EVERYONE.  
 
THE RISKS ARE GREATER FOR YOUNG CHILDREN, PREGNANT WOMEN, OLDER  
ADULTS, PEOPLE WITH CHRONIC ILLNESSES AND PEOPLE WORKING OR  
EXERCISING OUTDOORS.  
 
REDUCE YOUR HEAT RISK. SCHEDULE OUTDOOR ACTIVITIES DURING THE  
COOLEST PARTS OF THE DAY.  
 
SEEK A COOL PLACE SUCH AS A TREE-SHADED AREA, SWIMMING POOL, SHOWER  
OR BATH, OR AIR-CONDITIONED SPOT LIKE A PUBLIC BUILDING.  
 
NEVER LEAVE PEOPLE OR PETS INSIDE A PARKED VEHICLE.  
 
OUTDOOR WORKERS SHOULD TAKE REGULARLY SCHEDULED BREAKS IN A COOL  
PLACE.  
 
HEAT WARNINGS ARE ISSUED WHEN VERY HIGH TEMPERATURE OR HUMIDITY  
CONDITIONS ARE EXPECTED TO POSE AN ELEVATED RISK OF HEAT ILLNESSES,  
SUCH AS HEAT STROKE OR HEAT EXHAUSTION.  
 
PLEASE CONTINUE TO MONITOR ALERTS AND FORECASTS ISSUED BY  
ENVIRONMENT CANADA. TO REPORT SEVERE WEATHER, SEND AN EMAIL TO  
EC.CPIO-TEMPETES-OSPC-STORMS.EC(AT)CANADA.CA OR TWEET REPORTS USING  
(HASH)ONSTORM.  
 
HTTP://WEATHER.GC.CA  
 
END/OSPC  
 
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