A TORNADO WARNING WAS HOISTED FOR SAN MATEO COUNTY FOR A BREIF TIME. SEE BRIEFING BELOW. THE WARNING IS NO LONGER IN EFFECT
AT 1111 AM PDT…NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TOINDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR BELMONT…MOVINGNORTHEAST AT 40 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO FOSTER CITY AND REDWOOD CITY
The National Weather Service issued a rare tornado warning for San Mateo County. The warning included the cities of San Mateo, San Carlos, Redwood City, Millbrae, Foster City, Burlingame, Half Moon Bay, Hillsborough and Belmont and lasted about a half hour.
The have been no official sightings of a funnel clouds or tornadoes according to the NWS. There have been many lightening strikes along the Peninsula as well as heavy downpours.
The weather pattern continued to have the potential to become dangerous throughout Friday afternoon. The warning was issued at 11:02 a.m. with winds moving northeast at 40 mph, according to the NWS.
As of 11:32 a.m. it is traveling east from Oakland and expected to cross the East Bay city of Alamo by 12:03 p.m. and a minute later in San Ramon. By 12:31 p.m. it is suppose to cross Antioch.
The warning expired by 11:40 a.m. but the strong weather pattern held over, according to Steve Anderson of the National Weather Service.
"The activity is slowly moving to the South," he said. "It is moving to the South Bay and San Jose within the next hour."
Anderson said the National Weather Service rarely issues tornado warnings for the Bay Area but when they are issued, residents should seek shelter and stay indoors.