If this late-week atmospheric river pattern shifts south, Sacramento's rain totals will increase. The same rule applies to snow chances around Lake Tahoe. If the northward trend continues, many of ...

An atmospheric river is a long, narrow band of moisture that oftentimes comes ahead of a storm system. It's a big source of moisture for the Western U.S. and, specifically, the Sierra Nevada and ...

The definition: An atmospheric river (AR) is a long plume of moisture that stretches from the tropics or subtropics into higher latitudes, often thousands of miles long. These thin ribbons of ...

Weather, climate and hydrometeorology forecasts require accurate surface–atmosphere coupled modeling. This requires the use ...

An atmospheric river is essentially a narrow band of Pacific moisture, water vapor, that is funneled into a long narrow flow.

Atmospheric rivers are long bands of water vapor that move through the sky. They bring more than half of the state's annual precipitation. OAKLAND, Calif. - Rain is returning this week to the Bay ...

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