Mercersburg, PA
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Polar vortex locks in over most of US, days of arctic temperatures ahead for millions through January
The displacement of the polar vortex over the eastern half of the U.S. will usher in days of Arctic cold through the end of January. Brutal, life-threatening wind chills have already taken hold across the Northern Plains, Upper Midwest and parts of the Ohio Valley and interior Northeast — the first of several arctic outbreaks.
Millions from Florida to Maine saw snowy weekend as storm system exits the East Coast
Back-to-back rounds of snow blanketed parts of the I-95 corridor over the weekend as a storm system moved up from the Southeast to the Northeast region. Some lingering snow are expected to continue to into Monday morning, mainly around the Boston area.
Intense lake-effect snow returns as Arctic air grips Great Lakes with possible whiteout conditions this week
Hazardous lake-effect snowbands are expected to persist through Wednesday as Arctic air continues to pour over the warmer Great Lakes.
Weekend snow eyes major Northeast cities as Winter Weather alerts issued from Boston to Philadelphia
Winter Weather alerts are in effect for some major Northeastern cities expecting snow Sunday as a system moves in from the Southeast.