The moisture bringing feet of snow to the Rocky Mountains through Saturday is being driven by a weather pattern called the ...

Atmospheric rivers are long and relatively narrow bands of water vapor that form over an ocean and flow through the sky, ...

That can quickly prompt melting, runoff and flooding and decrease the snowpack needed for California’s water supply. What is a pineapple express? It is a nickname for a strong atmospheric river ...

Editor's note: This page reflects news from Wednesday, Feb. 12. For the latest updates on the atmospheric river in California, read USA TODAY's coverage for Thursday, Feb. 13. SAN DIEGO ...

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: ...

That can quickly prompt melting, runoff and flooding and decrease the snowpack needed for California’s water supply. WHAT IS A PINEAPPLE EXPRESS? The name came from research published in the 1990s by ...

When the moisture-laden air moves over mountain ranges such as the Sierra Nevada along the California-Nevada line, the water vapor rises and cools, becoming heavy precipitation that falls as rain ...

In 2022, Watsonville adjusted its California Environmental Quality Act guidelines to take advantage of the new program to work with developers and grant them entitlements, Fontes said. City staff ...

The strongest storm to impact parts of California in over a year has arrived and was drenching hundreds of miles of the state Thursday. Coastal areas and valleys in Southern California ...