What's a polar vortex and why is it menacing Michigan?

The meteorologists said the polar vortex system is set up due north of Michigan over Canada's Hudson Bay. It's at least ...
ClickOnDetroit

Polar vortex in Detroit: What it means and how it will affect January weather

That is the polar vortex. It’s not a snowstorm by itself. Instead, it’s a large area of low pressure and cold air that circles the North Pole. It exists all the time, but it usually gets stronger in ...

What Travelers Need to Know About the Polar Vortex—And What to Do When Severe Weather Disrupts Your Trip

Large swaths of the United States will get an arctic blast this week, leading to heavy snow, sleet, and freezing rain in ...
The Press Democrat

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 ...
Gators Wire

What is a polar vortex? Wind chill temperature? Winter weather terms to know

As a winter storm approaches Western North Carolina and other regions, here's what to know about deciphering forecaster terms.
WLRN

The science behind the Polar Vortex; could Florida be impacted?

The big winter (and popular) topic is dusted off very early this season as frigid air plunges south next weekend. But what is ...