A winter buzzword, explained.
Deep penetration of cold temperatures and a coastal storm will bring bomb cyclone and polar vortex into your newsfeeds.
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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 ...
Much of the nation east of the Rocky Mountains is hunkered down for what could be the worst winter storm of the season.
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