Name: What is a polar vortex?
Uploaded: 1/17/2020 6:35:32 PM
Duration: 75
Description: You might have heard the term 'polar vortex' in your weather forecast, but what is it? AccuWeather meteorologist Geoff Cornish explains.

Weather Alert

61 Weather Alerts

Northeast next stop for juggernaut storm racing across U.S.

A weekend storm that originated in the West earlier this week is heading east.

ACCUWEATHER

19 minutes ago

Play

Was the volcanic eruption in the Philippines large enough to influence the climate?

During the height of the eruption, a large plume of searing hot volcanic ash blossomed approximately 50,000 feet into the atmosphere.

ACCUWEATHER

Updated: 19 minutes ago
3 major US airports to screen passengers from China for new virus

More than 40 cases of the newly identified coronavirus have been confirmed in Asia, including two deaths.

NATION-WORLD

Updated: 2 hours ago
Play

Rep. Ayanna Pressley goes public with alopecia and baldness

The freshman Democrat, whose hair twists have been an inspiration to young supporters and part of her brand, is coming to terms with baldness.

NATION-WORLD

Updated: 2 hours ago
Play

Reports: Woman says agents seized $82,000 in cash at airport. She's suing

The money was her dad's life savings. No charges have been filed against them and they haven't gotten the money back.

NATION-WORLD

Updated: 3 hours ago
Play

LSU National Championship team visits the White House

The President suggested that this LSU team may be the greatest of all time.

NCAAF

Updated: 3 hours ago
Report: Clinton investigator Ken Starr joining Trump impeachment team

The team will also include former Harvard University law professor Alan Dershowitz.

NATION-WORLD
Play

College students using more pot in legal states; binge drinking less

The researchers also found that in states that were among the early adopters of legalized marijuana, the likelihood of using pot increased.

NATION-WORLD
Thompson’s WaterSeal Waterproofing aerosol cans recalled for fire hazard

Rust can form on the can's seal, leading to pinhole leaks where the chemical could escape.

NATION-WORLD
Evelyn Yang, wife of Andrew Yang, details alleged sexual assault by doctor

Yang and 31 other women are now suing the doctor and the hospital system, saying they conspired and enabled the crimes.

NATION-WORLD
Virgin Islands lawsuit claims decades of abuse of girls by Jeffrey Epstein

The federal lawsuit claims the girls were between the ages of 12 and 17 and were flown in from other countries.

NATION-WORLD
Play

Reports: 11 service members injured in Iran missile attack

A military spokesperson said the service members were treated for concussion symptoms following the Jan. 8 attack on two Iraqi bases.

NATION-WORLD
Payless ShoeSource emerges from Chapter 11 bankruptcy

It will relaunch its U.S. e-commerce site and open some stores in the U.S. but didn't offer details.

NATION-WORLD
170 sickened at Yosemite in suspected norovirus outbreak

The park has been working with its concession owners to clean and disinfect public buildings, hotels, restaurants and other facilities

NATION-WORLD
Play

NBC unveils Peacock streaming service featuring 'The Office,' 'Cheers,' 'Punky Brewster'

The streaming service will host hundreds of shows, from classics, to news and sports, as well as new content to binge.

TELEVISION
Play

Trump announces 'guidance' on prayer in schools, religious groups

It's seen as a sign the president is trying to solidify his support from evangelicals.

NATION-WORLD

9News.com KUSA would like to send you push notifications about the latest news and weather.

Weather Alert