Heatwave relief on the way

Sweltering August temperatures that have resulted in heat warnings - not to mention air conditioner technicians working overtime - will soon be coming to an end.

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Sweltering August temperatures that have resulted in heat warnings – not to mention air conditioner technicians working overtime – will soon be coming to an end.

However, the heatwave will remain for the next day or so in Southwestern Ontario, according to Environment Canada.

Geoff Coulson, warning preparedness meteorologist, said the temperatures, which have reached over 40 C with the humidity, have been a few degrees shy of breaking any records, but have still packed a punch.

“An air mass was building on Sunday coming up from the Gulf of Mexico,” he said on Tuesday. “That air mass really became established yesterday right across Southwestern Ontario. Bringing with it these unseasonably warm temperatures as well as those high levels of humidity.”

Coulson said a cold front will pass through, bringing relief and potentially some active weather.

“We expect a front to come down from the north during the day on Wednesday,” he said. “That could kick off some shower and thunderstorm activity across the area.”

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Until that happens, cooling specialists continue to field non-stop service calls throughout the region.

Caleb Postma, a service manager with Postma Heating and Cooling, said the company has been far busier lately.

“It’s kind of surprising to have at the end of August,” he said. “We were sort of coasting a bit and it definitely ramped up.”

Postma said busy periods are typical in the summer, but usually occur in June compared to later in the season.

Noting it’s an obvious phrase, he also added, “it’s not the heat, it’s the humidity,” which is compounding the issues residents are experiencing.

“We’re getting actually a lot of calls right now for water, duct work looks like it’s leaking, dripping,” he said. “The air conditioners are pretty much overwhelmed with the amount of water they’re being required to take out.”

Postma recommended that people keep curtains closed, doors and windows shut, and ensure vegetation is cleared from around the A/C units.

Coulson said despite the upcoming reprieve, conditions are expected to warm up again for the long weekend.

As September continues, temperatures could remain higher than normal in the region, he added, along with more precipitation.

“What this implies is not necessarily a series of all-day rainfalls, but it looks like more unsettled weather, chances of spotty showers and thunderstorms,” he said. “(There) could be locally significant rainfall amounts.”

tterfloth@postmedia.com

Twitter.com/DailyNewsTT

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