Northern CaliforniaAtmospheric River Causes Flood Watch in Bay Area, Sacramento, and Other Parts of Northern CaliforniaAn atmospheric river is rolling over California, causing the National Weather Service to put a portion of Northern California under flood watch.SaveMark Us Preferred on GooglePrintA car sits partially submerged on a flooded road during a rainstorm in Long Beach, Calif., on Feb. 1, 2024. (Photo by David SWANSON / AFP) Photo by DAVID SWANSON/AFP via Getty ImagesDylan Morgan2/2/2024|Updated: 2/2/2024An atmospheric river is rolling over California, causing the National Weather Service to put a portion of Northern California under flood watch.An atmospheric river is a stream of moisture in the sky that can cause heavy rain or snow once it reaches land.We had a problem loading this article. Please enable javascript or use a different browser. If the issue persists, please visit our help center.