Several regions of Quebec are breaking heat records

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Several re; regions of Quebec break heat records

The month of October was particularly hot in several regions of Quebec.

Temperatures are abnormally high in the east of the country. In Quebec, October 2022 was the hottest month since 1938 and several cities broke heat records.

For two weeks, temperatures have exceeded seasonal norms and it was over 20 degrees Celsius in several regions of Quebec. In Alberta and Saskatchewan, snow fell instead.

In Montreal, the average temperatures observed in October peaked at 10.4 degrees Celsius in October, while the normal is 8.5 degrees. The weather was also dry with just under 40 millimeters of rain falling, while the average is nearly 90 millimeters.

Environment Canada predicts that temperatures will gradually come down next week to approach seasonal averages. However, for farmers, the high temperatures of the past few weeks could prove detrimental.

Thierry Kobloth, owner of Vignoble Kobloth located in Saint-Bruno-de-Montarville, fears losing part of his harvest next year if temperatures exceed 10 degrees again over the next few days. Indeed, the heat causes the sap to rise in the stems and release the buds hastily, which should normally happen in the spring.

“For example, if you lose about ten buds per plant, the harvest will be halved next year. So [it has] a direct impact on the business. »

— Thierry Kobloth, owner of Vignoble Kobloth

The mild weather also complicates work in the Christmas tree sector. The temperature is too high. Normally, it should freeze a little in the morning. Up to 10 degrees Celsius is the perfect weather to cut [fir trees], notes the co-owner of the Downey Tree Nursery and Tree Nursery, Larry Downey. His work is thus slowed down, even though he believes that the trees should be ready for the holiday season.

It is rare for there to be forest fires at this time of the year. However, firefighters from the Society for the Protection of Forests Against Fire (SOPFEU) are currently fighting a fire near Lac Trois-Saumons, in the Chaudière-Appalaches region, which is unusual.

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And the mild weather could also have an effect on Quebec's wildlife. Normally, in winter, the animals will have a little quieter period, explains Louise Hénault-Éthier, director of the Water, Land and Environment Center at the National Institute for Scientific Research (INRS).

Overwintering animals, for example, will wake up once in a while when there is a mild spell to eat, she continues.

“But if it's warmer, will they go through their food supply faster?” »

— Louise Hénault-Éthier, Director of the Water, Land and Environment Center at the National Institute for Scientific Research (INRS)

Higher temperatures in the fall could even have unsuspected consequences for the animals, worries Ms. Hénault-Éthier: Could it jeopardize their reproductive capacities or even their long-term survival?

On Friday, several cities in Quebec broke heat records. For example, the temperature reached 20.2 degrees Celsius in Montreal, beating the record set in 1956 (18.3 degrees). In Quebec, the mercury rose to 15.9 degrees, where the last record was in 2015 (13.5 degrees). In Val-d'Or, it was 18.4 degrees, more than in 1956 (15 degrees). And in Gatineau, it was 21 degrees, where the previous heat record dated back to 1938.

The highest temperature in Quebec for November 4 was observed in Saint-Anicet , in Montérégie, where it was 22.7 degrees.

Environment Canada predicts that temperatures will remain high for a few days. According to his forecast, the mercury was expected to reach 23 degrees Celsius in Montreal on Saturday. However, the organization also predicts that temperatures will gradually drop over the next few days to return to normal values.

The rise in temperatures a few days into the winter season does not constitute an exception, according to Ève Christian, meteorologist at Radio-Canada.

It's not unusual because the same phenomenon was observed in 2020, in 2015, in 1999 , in 1977, etc., Ms. Christian explained.

What is exceptional is the difference between the temperatures we are currently observing and the normal temperatures for the first week of November.

To Montreal, for example, the normal daytime temperature is 7 degrees. At night it is 0 degrees.

“And already this morning, at 6 a.m., it was 13 degrees. And by the middle of the day, we were down to 21 degrees. Next night, the minimum temperature in Montreal will be 19 degrees. »

— Ève Christian, meteorologist at Radio-Canada

So it's starting to be almost unheard of, summarized Ms. Christian, who however believes that it will take wait for several years to find out if this increase in temperatures is really linked to climate change.

In Quebec, winter tires are mandatory from December 1 to March 15, but with the delay in the onset of severe cold weather, some mechanics are offering to postpone their installation to December 15, as it was. the case before.

When the temperature exceeds 7 degrees, it is best not to drive with winter tires, which are designed to withstand snow, a said Julie Chartrand, technical advisor at Pneus Papineau.

However, she believes that the increase in temperatures will be short-lived and will have no real impact on the installation of winter tires.

We are even amazed that people made their appointments early enough. We are full from 8:30 a.m. to 12:30 p.m. and it will be like that until November 29, added Ms. Chartrand.

However, for Jean Duchesneau, owner of the Center de l& #x27;auto Beaumont, in Mount Royal, many people will forget that winter is upon us.

“People make appointments a week or two before, but if it's a day like today with 20 degrees, they feel like the tire will melt and wear out prematurely, and they will postpone the date of its replacement. »

— Jean Duchesneau, owner of Center de l'auto Beaumont

This situation risks creating not only a funnel effect but also a crush in all garages of Quebec on December 1, he warned.

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