The Polar Vortex in the upper atmosphere has disintegrated after the intense warming of the stratosphere in mid-March.

The polar vortex is coming back. After a half-month hiatus, frigid air will again surge across the United States beginning this weekend through next week, as the unusually cold blob of air dips ...

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

AccuWeather long-range experts predicted the transition from winter to spring as the period most likely to experience the polar vortex allowing colder air into the United States. A prolonged ...

Cold weather is expected to blanket New York through mid-April, bringing the chance of freezing temperatures, snowfall, as ...

Accuweather Senior Meteorologist Paul Pastelok says the March polar vortex disruption is one of the largest meteorologists have seen in a long time. A polar vortex is a large area of low pressure ...

Have you noticed New York City has felt especially windy lately? You’re not imagining it. This March, NYC has been stuck in a ...

The Met Office says the UK is highly likely to see a polar vortex collapse in March - the weather phenomenon responsible for 2018’s ‘Beast from the East’. A sudden stratospheric warming (SSW ...

The Polar Vortex's collapse will cause a major Arctic blast from central Canada into the Northeast United States, even if a progressive and dynamic weather pattern will persist across North ...