Atmospheric rivers are concentrated regions of water vapour and wind moving through the sky. They cause precipitation, such as rain and snow, and can occur all over the world.

CBC LiteAn atmospheric river, or AR, is a large, narrow stream of water vapour that travels through the sky. It can stretch to 1,000 miles (1,600 kilometres) long and more than 400 miles (640 km ...

Atmospheric rivers are ranked on two metrics: how much water vapour they transport and how long they last. Essentially, if an atmospheric river carries lots of water and lasts for a long time, it ...

It’s like a river in the sky that can be 1,000 miles long. On average, atmospheric rivers have about twice the regular flow of the Amazon River.

These “rivers in the sky” are relatively common, with about 11 present on Earth at any time, according to NASA. Most atmospheric rivers are weak and do not cause damage.

Atmospheric rivers are storms akin to rivers in the sky that dump massive amounts of rain and can cause flooding, trigger mudslides and result in loss of life and enormous property damage. One ...

As California experiences the bulk of the atmospheric river activity, B.C. will soon get a taste. A strong low is churning in the eastern Pacific, but even more remarkable is the sheer size. At over 3 ...

Atmospheric river isn’t the only new term in the weather lexicon. There is also derecho (də-REH-choh), which means straight in Spanish.

Ranking atmospheric rivers premature, says Environment Canada, months after B.C. vow VANCOUVER — When torrential rain caused widespread flooding and washed out major highways across British ...

VANCOUVER - Rainfall warnings across Vancouver Island and the inner south coast have lifted in most areas, but the effects of British Columbia’s first atmospheric river of autumn could take a ...

Atmospheric rivers have been making headlines over the past couple of years. At their worst, they have been the cause of major flooding in California as well as devastating flooding in B.C.’s interior ...