Atmospheric River

Bay Area Braces for Weekend Atmospheric River

The National Weather Service has issued several alerts ahead of the weekend storm, with the biggest rainfall amounts expected on Sunday into Monday

NBC Universal, Inc. After several rounds of rainfall this week, the Bay Area now braces for an atmospheric river storm expected to enter the region early Sunday. Christie Smith and Rob Mayeda report.

After several rounds of rainfall this week, the Bay Area now braces for an atmospheric river storm expected to enter the region early Sunday.

The National Weather Service has issued several alerts ahead of the weekend storm, with the biggest rainfall amounts expected on Sunday into Monday. The atmospheric river could bring up to 9 inches of rain to some elevated parts of the region, weather officials said.

The major weather system this weekend will also bring major waves along the coast, with swells as high as 20 to 30 feet coming starting Sunday and peaking Monday into Tuesday, according to the weather service.

During the day Saturday, we can expect a break with just a few spotty showers but our stronger storm is lining up and will hit Sunday into Monday morning. Vianey Arana is tracking your microclimate weather forecast.

Wind Advisory for Entire Bay Area on Sunday

Sunday's wind advisory will start early morning in the North Bay and work its way to the other portions of the Bay Area. Here's a breakdown from the National Weather Service, which reports occasional gusts will reach 35 to 45 mph with the potential to hit up to 60 mph at some of the windiest areas:

  • 2 a.m. to 5 p.m. in the North Bay
  • 5 a.m. to 8 p.m. in San Francisco, East Bay, and South Bay
  • 11 a.m. to 11 p.m. in Monterey and San Benito counties

Flash Flood Watch for Parts of the Bay Area

The National Weather Service has also issued a flash flood watch for parts of the Bay Area on Sunday. The flash flood watch is primarily for fire burn zones, small creeks and streams.

Street drains that have not been cleaned up or are clogged up can also trigger street flooding in some areas, weather experts said.

Here's a look at the timing of Sunday's flash flood watch:

  • 5 a.m. to 11 p.m. North Bay
  • 1 to 11 p.m. Santa Cruz Mountains
  • 5 p.m. to 4 a.m. Monterey County

Visit NBC Bay Area's weather page for updated forecast information.