How Would You Define a Jet Stream? The jet stream, one of the most dramatic forces of nature, was discovered during World War II when aviators first tried to cross the Pacific. This strong wind ...

Polar vortex and jet stream are both extending southward into the US The National Oceanic and Atmospheric Administration's Global Forecasting System model predicted the polar vortex would shift ...

Meteorologists often blame unusual weather events on the movements of a jet stream, not to be confused with the similarly active Gulf Stream. Learn the key differences between the two before the ...

Winter storms are about to blitz through the eastern half of the United States at a frenetic pace that could continue for a ...