A so-called "#AtmosphericRiver" is forming over the North Atlantic and will affect #Europe in the coming days. It is a conveyor belt of warm and humid air from the equatorial Atlantic region, several 1000 km long.

On the North American west coast, such rivers cause heavy #rain. Interestingly, such an event takes place there almost simultaneously with the one in Europe.

In Europe, these rivers rarely lead to extreme events due to the lack of north-south oriented mountain ranges. But ... 1/2