What is polar vortex and how much snow is expected in US? Winter storm-led flight cancellations and power outages explained. Here' how polar vortex affects weather

What is polar vortex and how much snow is expected in US? A winter storm linked to polar vortex disruption has impacted ...

Meteorologists blame a stretched polar vortex, moisture, lack of sea ice for dangerous winter blast

WASHINGTON (AP) — Warm Arctic waters and cold continental land are combining to stretch the dreaded polar vortex in a way ...

Polar vortex: What’s behind the lethal winter storm in the United States?

Around 17 states witnessed snowfall, with more than a foot of accumulation in some areas. The deep freeze strained energy supplies in some states, and the National Weather Service predicted widespread ...
Inside Halton

Polar vortex explained: What is it and how does it impact Ontario winter weather?

A polar vortex brings bitterly cold Arctic air into southern Ontario. Here’s what it is and what you can expect.
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Polar Vortex Collapse explained: Why the US, Canada, and UK are bracing for severe winter conditions

After last month’s polar vortex collapse, a second one is expected to unleash freezing conditions across North America. With the winter weather phenomenon predictions eyeing a mid-March comeback, ...
Casper Star-Tribune

Get used to the cold; The polar vortex, explained

WASHINGTON (AP) — It might seem counterintuitive, but the dreaded polar vortex is bringing its icy grip to the Midwest thanks to a sudden blast of warm air in the Arctic. Get used to it. The polar ...