As a storm moves through Northern California, the real work is just beginning for atmospheric river researchers.

A low-pressure system headed for Southern California is forecast to bring cooler temperatures and rain possibly starting Wednesday evening with the potential to last until Saturday, the National

Air and road travelers will confront weather delays in the West, including California, as a potent atmospheric river storm slams the region.

A level three event on the atmospheric river scale is a long-duration, high-intensity storm that could produce flooding throughout San Diego County.

We’re in a really good position with Loch Lomond,” said Santa Cruz Water Department Deputy Director Chris Coburn. “If we have even a normal winter from here, easily Loch

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For an all-to-brief moment as the sun dipped toward the horizon Wednesday, a crack of sky appeared amid the ever-growing gray clouds and lit up the region with a bedazzling sunset. Yet, even as that was happening, the first handful of drops from an anticipated atmospheric river storm were beginning to come down.