Teleconnections in our atmosphere allow conditions in one part of the world to affect weather patterns thousands of kilometres away ...

Content continues below The Arctic Oscillation (AO) is another teleconnection that can serve as a good proxy for keeping track of the polar vortex. The AO tracks changes in the mid-levels of the ...

Weather patterns this month are being shaped by the collapse in March of a band of high-altitude winds known as the polar ... vortex. That occurred earlier than usual this year, triggering a ...

Orbe and L.M. Polvani: More Positive and Less Variable North Atlantic Oscillation at High CO2 ... Screen: The weakening of the stratospheric polar vortex and the subsequent surface impacts as ...

A sudden stratospheric warming event reversed the winds that make up the northern polar vortex on March 9. A new animation ...

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 ...

The La Niña weather pattern ended last month as Pacific Ocean temperatures rose and the El Niño Southern Oscillation cycle ...

Devastating winter storms that led to deaths and power outages across the UK and Ireland were driven by an intense swirling vortex of winds miles above the Arctic, scientists have revealed.