Cold Snap in the North and East

Blasts of Arctic air spilled into the Midwest and Northeast in the winter of 2017-18.
Icy Lake Erie
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Icy Lake Erie

Lake Erie is usually the first to freeze over because it is shallower than the other Great Lakes.

Published Feb 18, 2018

Image of the Day Atmosphere Temperature Extremes Sea and Lake Ice

Icy Waters off the U.S. East Coast
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Icy Waters off the U.S. East Coast

Scenes of frozen rivers, bays, estuaries, and coastal seas seem like they belong in the Arctic—not New England and the Mid-Atlantic.

Published Jan 9, 2018

Image of the Day Snow and Ice Temperature Extremes Sea and Lake Ice

It’s Cold—And Hot—in North America
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It’s Cold—And Hot—in North America

Large waves in the atmosphere mean that a cold snap in one area is often accompanied by unusual warmth in another.

Published Jan 3, 2018

Image of the Day Heat Land Temperature Extremes

A Chilly End to 2017 for the Northeast
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A Chilly End to 2017 for the Northeast

Blasts of Arctic air spilling into the Midwest and Northeast are poised to make New Year’s Eve frigid for many Americans.

Published Dec 29, 2017

Image of the Day Atmosphere Temperature Extremes