Storm Live Updates: Toppled trees, thousands without power across Bay Area

Belmont police asked the public to avoid Shoreway Road on Saturday morning because of flooding caused by rain.

Shoreway Road is closed in both directions between 1301 Shoreway Road to Redwood Shores Parkway/Holly Street, police said in an advisory at about 8 a.m.

About an inch of rain fell in the area over the past 24 hours, according to the National Oceanic and Atmospheric Administration.

There was no estimate for when the road would reopen.

Police said the Recology site at 225 Shoreway Road is inaccessible during the closure.

Thousands of PG&E customers are without power across the Bay Area Saturday morning, according to the company's website.

The largest outages are being reported on the Peninsula and in the South Bay.

You can track those with the map below.

BAY AREA POWER OUTAGE MAP

The National Weather Service issued San Francisco with a tornado warning on Saturday, the first in the city's history.

ABC7 News Meteorologist Lisa Argen says the closest San Francisco ever got to another tornado warning was back in the 1980s.

CAL FIRE is warning residents in Santa Cruz County about downed trees and debris on roadways across the region.

They are advising drivers to take caution when they hit the roads Saturday morning.