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History rewritten a third consecutive day with hottest temperature record

Monday, June 28th 2021, 9:47 pm - Third time is a charm for Lytton, B.C., after setting a new record again for Canada's hottest temperature -- hitting 49.6° Tuesday, surpassing its previous records of 47.9°C on Monday and 46.6°C on Sunday.

Lytton, B.C., is on a roll, completing the trifecta of breaking new temperature records for Canada's hottest temperature ever.

For a third day in a row, the British Columbia community has recorded the country's highest temperature on record -- hitting 49.6°C Tuesday, surpassing its previous records of 47.9°C on Monday and 46.6°C set on Sunday. Each record was broken less than 24 hours after the previous one. The first of the new Canadian temperature records that was established on Sunday, beat its predecessor that previously stood for about 83 years.

This comes amid the extreme and potentially life-threatening heat wave in Western Canada, which is setting new all-time, monthly, and daily records at a rapid pace. On Monday, Alberta also breaking all-time records and will likely set new ones Tuesday and Wednesday, as well.

Record3 (1)

A phenomenon known as a heat dome, something more common to the southwestern U.S, is the cause of this extreme heat. It is defined as an area of intense high pressure, beneath which descending air compresses into layers near the surface, warming drastically as it does so.

British Columbia is where the heat is most extreme, with numerous communities opening cooling centres and initiating other measures to warn the public of the extreme temperatures.

Power grids are likely to take significant hits and a lack of rain in the forecast means the fire danger is on the rise. In fact, BC Hydro reported a new record for peak hourly demand amid the high temperatures.

As well, the Alberta Electric System Operator (AESO) declared an Energy Emergency Alert (EEA) Level 1 on Tuesday because of the strain on the power grids.

See below for a look at the temperature records that have been set in Western Canada.

National record: Lytton, B.C. (49.6°C)

Monthly records: Lytton, B.C. (49.6°C), Pemberton, B.C. (40.3°C), Abbotsford, B.C. (39.6°C), Hope, B.C. (39.5°C), Squamish, B.C. (39°C), Victoria, B.C. (35.8°C), Grande Prairie, Alta. (36.1°C), Yellowgrass, Sask. (45.0·C), Midale, Sask. (45.0°C), Hendrickson Creek, Alta. (34.5°C), Jasper, Alta. (37.3°C)

All-time records: Pemberton, B.C (40.3°C), Abbotsford, B.C (39.6°C), Hope, B.C (39.5°C), Squamish, B.C (39°C), Yellowgrass, S.K. (45.0·C), Midale, S.K. (45.0°C), Hendrickson Creek, Alta. (35.7°C), Grande Prairie, Alta. (38.4°C), Jasper, Alta. (39.0°C), Banff, Alta. (36.6°C), Beaverlodge, Alta. (37.5°C), Bow Valley Provincial Park, Alta. (37.7°C), Cochrane, Alta.(34.4°C), Nordegg, Alta. (34.8°C), Red Earth Creek, Alta. (36.3°C).

As well, the Fraser Valley reached a temperature above 40°C on Saturday — the first time in history.

ALPINE SNOW IS RAPIDLY MELTING AND RIVERS ARE RISING IN THE ROCKIES

Because the heat wave is still ongoing, more records are likely to be established or changed with the hot temperatures moving east into Alberta.

The extreme heat has also reached the Northwest Territories, where Nahanni Butte (Yohin) hit a new all-time high temperature of 38.1°C. Several other locales recorded new daily highs Sunday.

Thumbnail courtesy of Dan Dueck, Abbotsford, B.C.

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