The Weather Network - A bold Jet Stream ushers in extreme Russian heat
A bold Jet Stream ushers in extreme Russian heat Jaclyn Whittal Thursday, May 20th 2021, 6:00 am - Parts of Russia, even in the country's Arctic, are hotter than Europe this week. What's behind the extremes? Temperatures upwards of 30°C aren’t beyond the pale in Europe in May –– but they're definitely out of place in parts of northern Russia that have been hitting that threshold this week, including on the doorstep of the Arctic. And it's largely thanks to a quirk of the Jet Stream. A Jet Stream that brings extremes represents what we call a meridional pattern. An upper level wind str...