Jan 17, 2024 · An arm of the polar vortex has been circling around North America since early last week, but its harsh conditions made their presence known in Western Canada starting Jan. 10 …

Jan 6, 2024 · The weather models keep the lid on the polar vortex (an overall ridge across Alaska, northern Canada, and Greenland) through the middle of January with a breakdown in the …

Jan 19, 2024 · The polar vortex describes the jet stream that circumnavigates the polar region. When it is displaced from its normal position, very cold air from the Arctic can be pushed …

Jan 9, 2024 · The polar vortex has been building in Western Canada early this week and is starting to pull down some cold air from the Arctic. Through Wednesday, that will continue to …

Jan 8, 2024 · A polar vortex will then plunge temperatures well-below normal. Here are some tips to protect your livestock. Challenging weather conditions could put livestock at risk from both …

Dec 28, 2022 · Conversely, when the polar vortex is strong, the jet stream circles the North Pole rather easily and uninterrupted. That locks the cold, arctic air closer to the North Pole.

Dec 13, 2022 · Not every one of these clippers is due to the polar vortex, but this one will be. A clipper looks to move into the North-Central U.S. Dec. 18-19. The rush of cold air behind it …

Jan 18, 2023 · The polar vortex will make another visit before the winter is over. To date this year, temperatures are running well-above normal for most of North America. The pattern has been …

Dec 21, 2021 · The polar vortex may not move much next week, but it will still be active. It will send pieces of energy through the northern tier of the U.S. and southern Canada, offering …

Feb 16, 2023 · "The SSW and so weakening of the stratospheric polar vortex and more variable/meridional (north to south) jet stream makes the potential for arctic air outbreaks in …