Sub-freezing temperatures can extend as far south as the Gulf Coast and Florida Peninsula in the US. The polar vortex primarily affects countries situated in the Northern Hemisphere’s mid to ...

Overnight low temperatures in the upper 50s are normal for February, not April, but we may see them this weekend in South Florida.

Several days with temperatures of 10-20 degrees below the historical average could be dangerous to plants and ruin outdoor ...

The latter half of April looks wetter than normal. This might be a good time to overseed your lawn. Looking ahead I see more 60s than 50s. Polar vortex season is behind us. A real spring this year.

The Polar Vortex in the upper atmosphere has disintegrated ... along the East Coast and in the Southeast U.S., including Florida.

"The large polar vortex disruption from the second week of March is playing a key role in next week’s eastern US cold snap," meteorologist Judah Cohen of Atmospheric and Environmental Research told ...

A sudden stratospheric warming event reversed the winds that make up the northern polar vortex on March 9. A new animation shows the vortex also moved away from the Arctic towards Europe.

When the polar vortex begins to wobble and allows arctic air to spill south into northern Illinois in January, we usually end up with dangerously-cold air around Chicago. When it happens in April ...

Researchers from the University of Leeds have found there was an extremely strong stratospheric polar vortex (SPV) – a large spinning mass of cold air in the stratosphere around 15 miles above ...

A cool front is expected to bring rain and lower temperatures to South Florida this week ... but isn’t directly tied to the wobbly polar vortex, which slid off the top of the world last month ...

Don't put away those winter coats just yet. An April cold snap is forecast for much of the eastern half of the U.S. early next week, forecasters said, with freezes likely across portions of the ...