Sometimes the polar vortex can even break down entirely, in an event called a ‘ Sudden Stratospheric Warming’. A weaker jet stream allows more frequent spells of northerly or easterly winds to affect the UK and in winter these bring very cold air from the Arctic and continental Europe. With a stronger jet stream, stormy and very wet weather tends to occur. In a typical UK winter, the jet stream brings winds from the west giving us our mild, damp climate. The jet stream is a fast moving ribbon of air around 5 to 7 miles (8 to 11km) above the earth that drives weather systems from the Atlantic towards the UK.Ĭonversely, when the polar vortex weakens, the jet stream also tends to weaken and become distorted. It's forecast that Atlantic Canada will start and end February with snowstorms with snow showers and fluctuating temperatures in between.How does the Polar Vortex affect our weather?Ī strong polar vortex favours a strong jet stream. Quebec is set to experience snowy periods, snow showers and flurries in every week of the month! Ontario will get a messy combination of weather conditions throughout February, including cold temperatures, snow, rain showers, flurries and a rain/snow mix. Then, the month will get colder and colder as time goes on. is expected to get cold at the beginning of February, followed by a brief break but then the cold returns.įebruary in the Prairies is forecast to start cold with snow showers before mild temperatures move in for a bit. The Weather Network's winter forecast for Canada called for February to have a few breaks from the cold with shots of milder weather.Īccording to Canada's winter forecast from the Old Farmer's Almanac, B.C. What is Canada's winter weather forecast?įor the rest of the season, the winter forecast from the Farmers' Almanac said a snowstorm could bring up to 60 centimetres of snow in February. It's been a month since the last deep freeze when places in western Canada experienced temperatures of -50 C because of a frigid air mass from Siberia, according to The Weather Network. Then, widespread temperatures around -20 C will spread over eastern parts of the Prairies, and wind chills will make it feel like -30 C as January ends and February starts.įrigid air from the polar vortex will "gradually" move east through the beginning of February, which will bring the cold to parts of Ontario, Quebec and Atlantic Canada. The Weather Network said that's because "some of the coldest air in the Northern Hemisphere" will shift and become trapped over North America at the end of January.ī.C., Alberta and Yukon will be spared from the worst of the cold winter weather, but the polar vortex will still manage to drop temperatures below seasonal briefly before the month ends. There will be a pattern reversal during the last few days of January that will plunge Arctic air over western parts of the country and bring "frigid temperatures." In a new forecast from The Weather Network, it has been revealed that a stretch of above-seasonal temperatures is coming to an end as "some of the coldest air in the Northern Hemisphere" descends on Canada. There is a polar vortex making its way into Canada, and that means winter weather will spread across the country.
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