Atmospheric rivers generate severe flooding in the UK

Atmospheric rivers generate severe flooding in the UK Natural Disasters

It turned out that the atmospheric river directly associated with the ten largest floods in the UK in the last 40 years. Thus, in November 2009, in the county of Cumbria in England fell a record rainfall, causing severe floods.

Atmospheric rivers are narrow streams of moist air in the atmosphere of at least 2,000 kilometers long and a few hundred kilometers wide. They usually occur in the middle latitudes in the lower troposphere, where the wind speed of 12.5 meters per second, capable of carrying a lot of water (for example, the volume of the Amazon). Besides the fact that several atmospheric rivers carry moisture to the North Pole, they are also the cause of severe precipitation events on the West Coast of North America, Western Europe and the west coast of northern Africa.

Michael Dettinger, a California scientist, studied the atmospheric river, which brings water from the tropics to the state of California. He came to the conclusion that an increase in temperature due to the greenhouse effect will lead to more frequent heavy rains caused by this river. Scientists believe that the events in the UK will develop in the same scenario.

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