Atmospheric River Continues to Saturate Waterlogged Bay Area

An atmospheric river storm tapping into moisture from the tropics continued to pound much of the Bay Area with rain Tuesday morning, raising flooding concerns across a region already saturated by previous winter deluges.

The multi-day storm has triggered a flood warning in Sonoma County, a flood watch for the rest of the North Bay, flood warnings along at least two major rivers in the North Bay, and a wind advisory in the Bay Area’s hills and along coast, according to the National Weather Service.

While the South Bay and neighborhoods located throughout the central portion of the Bay Area remained mostly dry Monday, they started to welcome rainfall Tuesday morning. The heaviest rain is slated to fall between Tuesday afternoon and Tuesday night, the weather service said.

In the waterlogged North Bay, which has been pelted with rain since Monday morning, a flood warning is in effect until 11 a.m. Tuesday for Sonoma County, according to the weather service. Weather officials are primarily concerned about flooding in low-lying areas along Laguna de Santa Rosa, Colgan Creek and Santa Rosa Creek, among others.

Flood warnings will also kick into effect Tuesday evening for areas located along the Napa River near St. Helena and Napa as well as spots located along the Russian River near Guerneville, the weather service stated. Both rivers are predicted to surge past flood stage by late Tuesday evening.

While rain saturates the Bay Area, high winds continue to batter certain spots. A wind advisory is in effect through 3 a.m. Wednesday for higher elevations across the Bay Area and the coast. 

Gusty winds could cause problems for power lines, leading to scattered power outages for some, the weather service warned.

This post was originally posted at http://www.nbcbayarea.com/news/local/Atmospheric-River-Bay-Area-Storm-Heavy-Rain-Wind-Flooding-506374961.html.

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