Jet Stream Flow News Today : Breaking News, Live Updates & Top Stories | Vimarsana

on a sunny day, a ride around paris takes some beating, that's for sure. france's capital is transforming. in a few weeks�* time, the city will host the summer olympics and paralympics, and the organisers are busy turning landmarks into stadiums. so this beautiful building is the grand palais, and that is where the fencing and taekwondo are happening. still looks like they've got lots of work to do on it. the organisers of this year's competition have promised it will have a lasting impact on this iconic city. i'm steve brown and i'm here to find out how paris is changing. from the...

That's warmer than in chicago well what is happening across north america can be blamed on what's known as the winter vortex there are two rivers of air circulating above us one is known as the jet stream and its movements are what allow more me cold fronts to migrate across the planet if you go higher up about forty eight kilometers you find what's known as the stratospheric polar vortex it's that circle you see right there now that's a river of wind around the north pole and it only forms during the winter sometimes the jet stream flow is erratic and weak and this can allow wind from the pol...

You see right there that's a river of wind around the north pole and it only forms during the winter sometimes the jet stream flow is erratic and weak and this can allow wind from the polar vortex to make its way down towards the earth's surface when that happens timber jurors plummet as we're seeing right now what does this extreme weather have to do with climate change and how does a deep freeze make sense on a warming planet why first guest tonight hopefully has some of the answers he is the author of the award winning book the long fall how humans are changing the next one hundred thousand...