A polar vortex dipping down from Siberia is bringing a cold front with frigid temperatures to millions Americans. See maps of the arctic blast.

In a new weekly update for pv magazine, Solcast, a DNV company, reports that a strong polar jet stream and a record-breaking heat dome in May resulted in a stark contrast in irradiance patterns ...

When the polar jet stream reaches as far south as Kansas or Nebraska, it can bring freezing temperatures to Texas, depending on the source of the air. “In the February 2021 freeze, that air was ...

An expert panel of Japan's Meteorological Agency says jet streams and a polar vortex were responsible for the record snowfall along the coast of the Sea of Japan this winter. An expert panel of ...

Meteorologists warn that the coldest burst of Arctic air this season is coming to put an icy and prolonged exclamation point ...

Jet streams are air currents formed by the collision of warm tropical air and cold polar air in the atmosphere, plus the rotation of the planet. When meteorologists in North America mention “the ...

The jet stream typically acts as a barrier to keep the polar vortex contained near the Arctic, but at times, some of the vortex can break off or move south, bringing unusually cold weather into ...

According to the Severe Weather Europe website—an online resource of global weather forecasts—a mass of cold air, spurred by the polar vortex, has been forecast to move over Canada and the northern ...

A cooler day is expected as clouds continue to hang over the region. A polar jet stream from the north has dropped into the continental United States, bringing cooler air and chances for snow showers ...