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Weather systems that affect the West Coast of the United States often have their origins in the northern Pacific Ocean. This is because the jet stream usually flows in a general west-to-east fashion.
Two atmospheric rivers dumped heavy rain from the valley to the Sierra resulting in rises on area waterways. Here's how the ...
The term “atmospheric river” was coined in 1994 and has since quickly gained popularity. But what does it really mean?
Pineapple Express has drenched Northern California in the last few days—but what exactly is it? How common is it? Also, go ...
Two atmospheric rivers have ended Northern California's dry spell, bringing heavy rains and setting records in San Francisco.
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