A bitter blast of Arctic air and frigid wind chills that arrived in the Northeast following a major winter storm comes with an unexpected twist: a natural phenomenon called frost quakes.

The Polar Vortex in the upper atmosphere has disintegrated after the intense warming of the stratosphere in mid-March.

as an Arctic air mass spilled south and eastward across the U.S. Sunday morning saw temperatures as low as minus 20 degrees Fahrenheit to minus 40 F in northern and northeast Montana. Saco ...

It will feel like winter for many across the Midwest and Northeast at the start of the week as Arctic air surges south from Canada. Temperatures across much of the Midwest and ...

The Arctic Blast Invitational at Northern High School on Saturday lived up to its name, as cold, windy, and wet weather made competing on the track and in the field ...

DILLSBURG — By the end of the first 300 meters of the girls 800-meter run at Saturday’s Arctic Blast Invitational, Northern’s Anna Lehman had charged to a healthy lead over the competition ...

Britain is bracing for an Arctic blast next week, with fresh weather maps showing significant snowfall expected across multiple counties. The latest forecasts indicate a cold snap sweeping in from ...

DILLSBURG — A cold wind swept across the throwing fields outside Northern High School’s Bostic field throughout Saturday’s Arctic Blast Invitational. Light rain fell and spat, at times ...

Early this week, a major cold event will be produced due to its powerful lobe throughout the Northeast and Great Lakes. The Polar Vortex's collapse will cause a major Arctic blast from central ...