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Warmest temperatures of the week coming to Alberta, with some areas reaching 37 C

Warmest temperatures of the week coming to Alberta, with some areas reaching 37 C
Warmest temperatures of the week coming to Alberta, with some areas reaching 37 C

In some areas of Alberta, temperatures could reach 37 degrees Celsius on Wednesday. Environment and Climate Change Canada expects Tuesday and Wednesday to be the warmest days of the week.

Much of Alberta, except the Jasper area, was still under a heat warning Tuesday morning.

“Most of Alberta will see the warmest temperatures, up to 37 C, on Tuesday and Wednesday,” ECCC said in its warning. “Overnight lows ranging from the mid-teens to low 20s will not provide much relief from the daytime heat.”

According to ECCC, temperatures in Edmonton are expected to reach 34 C on Tuesday and 36 C on Wednesday. Calgary is expected to reach 30 C on Tuesday and 33 C on Wednesday.

Areas further south are even hotter, with Medicine Hat expected to hit 32 degrees Celsius on Tuesday and a blistering 37 degrees Celsius on Wednesday. Temperatures in Lethbridge are expected to hit 32 degrees Celsius on Tuesday and 36 degrees Celsius on Wednesday.

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“Alberta, along with the rest of Western Canada, has seen a high pressure system approach from the west bringing warm air,” Phil Darlington, chief meteorologist at Global Edmonton, said Tuesday morning.

“It keeps our skies fairly clear and makes it harder for storms that could provide some relief.

“Temperatures have already topped 40 degrees Celsius in parts of British Columbia and while Alberta is unlikely to get quite as warm, temperatures in the mid to high 30s are still possible.”

Reservations for Edmonton outdoor pool ‘fully booked’

People looking to escape the heat in an outdoor pool in Edmonton aren’t the only ones.

“People are lining up to get in, to stay cool,” said Shauna Graham with the City of Edmonton.

The city has five outdoor pools. People can reserve a specific time at a particular facility up to seven days before their visit, or show up and risk waiting in line if the pool is full.

Graham said capacity ranges from 500 to 1,200 people, depending on the pool.

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“There are so few days in the city that we get capacity day by day. If we look at the forecast for the next two weeks, we can get it more often, but it’s not typical.”

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By reserving a time slot, access to the pool is guaranteed and people can stay as long as they want. Graham said Tuesday that the reservation system for all five pools is fully booked for the coming week.

“After COVID, some people wanted the ability to book, so we kept that,” she explains.


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Temperature records were broken in several areas of Alberta on Monday as temperatures soared into the 30s. The areas of Banff, Camrose, Cold Lake, Drumheller, Edmonton, Grande Prairie, Lloydminster and Wainwright all broke temperature records, to name a few.

“While many look forward to these conditions, it’s important to remember to take frequent breaks from the heat in cooler places,” Darlington said. “Remember to hydrate regularly and watch for signs of heat exhaustion or stroke. It may seem obvious, but children and pets should not be left in a vehicle for extended periods of time in temperatures like these.”

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Heat puts strain on Alberta’s energy grid

Shortly before 8:30 p.m. on Monday, the Alberta Electric System Operator (AESO) issued a power grid alert urging Albertans to conserve energy.

“An unplanned thermal generation outage, high temperatures causing a reduction in generator capacity and a line outage affecting import capacity contributed to the supply shortage that triggered the warning,” the AESO said in a statement on Tuesday.

The AESO said it maintains a “sufficient supply buffer” to meet demand. A grid alert is issued when demand begins to exceed supply and reserves are used to meet energy needs.

“This does not mean that rotational failures are imminent,” AESO said. “We were not close to rotational failures on 8 July.”

According to the AESO, peak demand on Monday was 11,599 MW. They said there were 545 MW of ‘contingency reserves’ available and available for use.

“Our system controllers are managing this current heatwave in collaboration with industry. At this point, we have forecast sufficient generation for the coming days. However, with high temperatures expected to persist for the remainder of the week, driving up demand, we remain alert, as always, to the ever-changing environment and are prepared to respond,” AESO said.

The AESO advises switching off unnecessary lights and appliances, minimising the use of air conditioning and postponing the use of large power-consuming appliances such as washing machines, dryers and dishwashers until after peak hours, which are from 4pm to 7pm daily.

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The grid alarm was lifted shortly after 9:30 p.m. on Monday evening.

Heat leads to increased risk of forest fires and poor air quality

Alberta Wildfire said Tuesday morning that the heat is leading to a very high to extreme wildfire danger in the province. The entire southern portion of the Forest Protection Area is under a fire advisory.

Air quality warnings were also in effect Tuesday for much of northern Alberta due to wildfire smoke. ECCC said the very poor air quality from the smoke is likely to affect parts of northern Alberta until Wednesday evening.

While Alberta will see some cooling starting on Thursday, the heat is generally expected to continue into next week.

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“This ridge is expected to ease somewhat towards the weekend, but it looks like another ridge will move in from the west next week,” Darlington said.

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