The storm will usher in warm temperatures, which will contribute to the flooding risk from heavy rain as snow melts.

As a series of Pacific storms continues in the northwestern United States and in southwestern Canada, the biggest storm of the bunch will include an atmospheric river in portions of Washington and ...

Atmospheric rivers are a plume of moisture that extend across the Pacific to near Hawaii. When they hit land, they can cause heavy rains and snow. Here’s a look at the phenomenon: ...

Sometimes, the atmospheric river can also run up against other storms, adding to the atmospheric churn and often intensifying ...

After months of extremely dry conditions in Southern California, an atmospheric river storm delivered much-needed rain to a region plagued by wildfires in January. Scattered showers fell across the ...

After months of extremely dry conditions in Southern California, an atmospheric river storm delivered much-needed rain to a region plagued by wildfires in January. Scattered showers fell across ...

REUTERS For several years, California has been hit with atmospheric river storms that have led to widespread flooding and destruction. Atmospheric rivers, also described as “rivers in the sky ...

Downtown San Francisco was drier, but it still had a big day. The area recorded 2.53 inches on Tuesday, its highest daily rain total since 1887 when 2.22 inches fell.

A rainstorm caused by an atmospheric river brought light to moderate rainfall throughout the Los Angeles area. A second storm is already making its way toward the region. The National Weather ...

A winter storm that began drenching ... much of it last seen heading down river in pieces toward the Pacific Ocean, was likely the worst of the damage wrought by the atmospheric river.

Evening evacuation orders were issued, hours before the swollen river started spilling over onto a handful of roadways. The storms, known as atmospheric rivers, are a common feature of West Coast ...