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 ...
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.
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 ...