It is now likely that the coldest period of sustained cold weather is behind us after gripping the Eastern U.S. for the first part of December. Warmer temperatures are expected for Christmas and into ...

Abstract: Vortex electromagnetic (EM) wave radars provide a promising solution to forward-looking imaging with high azimuth resolution, while the previous systems require multiple radar pulses or ...

A polar vortex system is expected to bring two or more cold waves to Florida this week. Temperatures in North Florida could drop into the upper 20s, with a chance of frost or freeze. Central and South ...

Add Yahoo as a preferred source to see more of our stories on Google. A map of the polar vortex that is bringing frigid temperatures to parts of the U.S. (AccuWeather) The first of three rounds of ...

Grab your coats, it's getting chilly. A polar vortex broke, and severe temperatures are set to dominate most of the United States, including the Midwest, in the coming days. The polar vortex will ...

A Polar vortex has covered the Philadelphia region under a canopy of frigid temperatures, but many people may not realize what a Polar vortex actually is, and the dangers — like frostbite — such ...

The polar vortex has broken, and severe temperatures are set to dominate most of the country in the coming days. Temperatures in the 10s are forecast for much of the Northeast, and subzero ...

The polar vortex is expected to send three waves of Arctic air into the U.S. through mid-December. Despite the cold blasts, current forecasts do not predict significant snow for most of Mississippi.

The polar vortex is so back, and in some parts of the country, the weather system will bring with it up to a foot of snow. If “polar vortex” is giving you déjà vu, that’s because we’ve heard it before ...

Frigid temperatures are expected to impact much of the central and eastern United States in the coming weeks. The first of three polar vortex systems is expected this month, according to AccuWeather.

DETROIT – A rare event happening in the stratosphere could affect the polar vortex and cause a colder, snowier December in Michigan. There’s no guarantee that Michigan will be affected by the Sudden ...