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Friday tied Wednesday for hottest day of the year in Toronto


Toronto's heat broke records Wednesday and Friday. Both days tied for Toronto's hottest so far.
Toronto's heat broke records Wednesday and Friday. Both days tied for Toronto's hottest so far.

Staff writers

July 6, 2012 — Southern Ontario continued to swelter during yet another day of record-breaking heat.

An Extreme Heat Alert was issued Wednesday and remained in place Thursday
An Extreme Heat Alert was issued Wednesday and remained in place Thursday

Several southern Ontario communities again broke temperature records. Toronto hit 36.3 degrees, breaking the 1988 record by 1.6 degrees. Ottawa, Mount Forest and Trenton all hit the low-to-mid 30s as well, breaking records set in 2010. 

Humidex advisories were widespread across southern Ontario. By 8:00 a.m., temperatures felt close to 30 degrees in parts of the GTA, thanks to the humidity, feeling even hotter as the day wore on.

If you've had enough of the heat, there's good news and bad news. Weather Network meteorologist Rob Davis says on Saturday, while parts of southern Ontario may feel almost as hot as Friday, by Sunday most of the region will have fallen to more seasonal norms.

The downside is, a line of potentially severe thunderstorms will begin to move in beginning Saturday, and meteorologists are keeping an eye on next week, when another warm spell may develop.

Friday caps off a scorching week in Ontario.

On Wednesday, Windsor's temperature was a staggering 37.9 degrees. The city also had to deal with rainfall of 54.4 mm Wednesday, more than half its entire monthly average in just one day. Trenton, Hamilton and Windsor broke records as well, with Trenton's standing since 1949.

Not helping matters Thursday night was a power outage caused by a fire, affecting about 6,500 customers in downtown Toronto. Power was restored early Friday morning, just in time for another round of heat.

Humidex advisories issued on Friday
Humidex advisories issued on Friday

With temperatures forecast in the low to mid thirties right through to the weekend, Toronto's medical officer of health upgraded the city's Heat Alert to an Extreme Heat Alert on Wednesday, keeping it in place Thursday in anticipation of extreme temperatures on Friday.

It was still in effect Friday evening. At this time, people are urged to check on those who are at greater risk of suffering from heat-related illness, especially children and seniors. 

Tanya Elliot, a spokeswoman for the Canadian Red Cross, says people should be on the lookout for symptoms of heat exhaustion and heat stroke.

“Things like dizziness, feeling weak, feeling hot," she says. "If you or somebody you are with is feeling that way or if they become faint at all then it's definitely time to consider calling 911.”  

TORONTO COOLING CENTRES
During an Extreme Heat Alert, the City of Toronto opens the following Cooling Centres, open between 11 a.m. and 7 p.m.: 
  • Centennial Recreation Centre: 1967 Ellesmere Road 
  • Driftwood Community Centre: 4401 Jane Street  
  • East York Civic Centre: 850 Coxwell Avenue
  • Etobicoke Olympium: 590 Rathburn Road
  • McGregor Community Centre: 2231 Lawrence Avenue East
  • Metro Hall: 55 John Street *NOTE: this Cooling Centre is open 24 hours.
  • North York Civic Centre: 5100 Yonge Street 


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