The jet stream is a powerful and fast-moving air current that flows high in the atmosphere, typically between 10,000 and ...

When the Polar Vortex is in a weakened state, a jet stream wobble sending polar air into the mid-latitudes becomes more ...

A strong, stable vortex is like a skater spinning with their arms tucked closely in, holding in an area of cold air over the Arctic. But when there’s a wobble in the rotation, winds in the vortex can ...

Significant ice and snow will fall across northern states on Wednesday, Thursday and over the weekend as a busy weather ...

A decently strong high pressure to our north and an associated cold front will help bump a winter storm to our south late ...

After snow showers Tuesday night, the next chance for widespread winter precipitation comes late Wednesday and into Thursday ...

The Invisible Ropes of the Sky Jet streams are essentially fast-flowing air currents high above us, acting much like highways ...

PHOENIX (AZFamily) — A zonal flow of the jet stream has set up in the west. Generally, that means the jet is running west to ...

ROCHESTER, N.Y. Even though we’re much more on track to have a normal amount of total snowfall this winter, most of that snow ...

Metro Vancouverites may face unseasonably cold weather as February continues thanks to the stratospheric polar vortex.

This warm pattern will push afternoon temperatures close to 80°F all week, which is 6 to 8 degrees warmer than usual for this ...

Forecast models show several weather systems that could target either parts or all of Connecticut with a wintry mix of ...