Jet streams are powerful high-altitude winds that shape global weather. Learn how they drive storms, impact heatwaves, and ...

The great weather we're currently enjoying is down to a a blocking area of high pressure sitting just to the north of Ireland ...

South of the Arctic’s polar vortex is the jet stream, a river of west to east air that flows five to nine miles above ground, and helps keep the pole’s cold air confined to the Arctic.

Upper-level divergence will help with showers Sunday night into Monday morning, but cool dry air will take over as the center ...

The strongest winds will occur over the southwest mountains and along and east of the central mountain chain, where gusts from 45-60 mph are expected.