Saint Clair, PA
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First taste of La Niña winter ahead with big freeze and snow on the way for millions of Americans
An area of low pressure is expected to move out of Canada as the weekend approaches, ushering in the first taste of a La Niña Winter for much of the U.S.
Strong geomagnetic storm dazzles, more northern lights sightings possible in US through Friday
A strong geomagnetic storm created a dazzling light show in the night sky over parts of the country, as the northern lights danced in front of Wednesday's Supermoon.
Windstorm whips through the Northeast, bringing winter chill and knocking out power
A fast-moving area of low pressure, known as a clipper, blasted through the Northeast Wednesday, leaving more than 70,000 customers without power across Pennsylvania, Maryland, New Jersey and New York Thursday morning.
Blast of arctic air invades Upper Midwest and Northeast next week, bringing early winter preview for millions
An early winter preview is forecast for the Upper Midwest, the Ohio Valley and the Northeast next week, as a strong dip in the polar jet stream is expected to plunge temperatures anywhere from 10-20 degrees below average for more than 200 million Americans.