Understanding Rainfall Patterns Rainfall patterns have been a cornerstone of our understanding of weather and climate. These ...

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

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: ...

Conditions across northern California and southern Oregon are still being influenced by a stationary front between a low ...