Official VOAD for Santa Clara County

San Jose

FLASH REPORT #11: Atmospheric River Monitoring and Response

Post Date: 01/14/2023 2:00 PM
City of San José
Emergency Operations Center

Cheryl Wessling, City of San José
Email: [email protected]
Media Line: 408-535-7777

Date/Time of Update: January 14, 2023, 2:00 p.m.

Weather Update – Saturday, January 14 to Tuesday, January 17:
Showers and a possible thunderstorm are expected late tonight with showers continuing through the very early morning hours. The next storm approaches on Sunday with rain likely after 10:00 a.m., continuing off and on through the day. Rain is likely on Monday morning and then mostly cloudy the rest of the day. The forecast points to dry days after Monday.

The National Weather Service has issued a series of Flood Advisories, Watches, and Warnings, including a Flood Watch in effect from 4:00 a.m. today until 4:00 p.m. Monday. For more information, visit 7-Day Forecast 37.31N 121.89W (

Potential Flood Hot Spots:
Valley Water and City Field Inspection Teams are monitoring the following locations in San José as potential areas of flooding:

  • Ross Creek at Cherry Avenue
  • Guadalupe River at West Alma Avenue
  • Upper Penitencia at Mabury Road
  • Coyote River at Berryessa Road

The potential areas of flooding are not limited to only these locations. To learn if your home or business is in a Special Flood Hazard Area, please visit

Evacuation Announcements along San José Creeks and Waterways:
City staff members are continuing to engage unhoused residents in potentially impacted areas to ensure their safety, including San José Police Department loudspeaker announcements along the creeks and waterways.

24-Hour Emergency Evacuation Centers:
The 24-hour emergency evacuation centers at both Seven Trees Community Center (3590 Cas Drive) and Camden Community Center (3369 Union Avenue) have reached capacity. Services continue as follows:

Overnight Warming Locations are open nightly from 8:00 p.m. to 7:00 a.m. Spots are by referral only. The public can call 408-539-2105 or email [email protected].

The County also offers additional shelters. Unhoused individuals can call the Here4You Call Center at 408-385-2400 to find a placement. Visit the County’s Cold Weather Safety webpage for additional support:

Warming Centers and Transportation:
The City’s Overnight Warming Locations (OWLs) will continue to operate as noted above, but Saturday, January 14 is the last day of operation of the Daytime Warming Centers. Instead, all City libraries and community centers serve as warm spaces and are open to the public during regular hours.

Note that the libraries and community centers are closed on Monday, January 16 for the Martin Luther King holiday.

Road, Pedestrian Bridge, and Park Closures:

Sandbag Locations:
For a list of sandbag locations, visit:

Happy Hollow Park and Zoo (748 Story Road) – Please bring a shovel and, if possible, someone to help fill bags and carry them to your vehicle as some sites do not have pre-filled sandbags. Directions to location: Enter first parking lot entry off Senter Road, south of Story Road. The sand and bags are located in the southwest corner of the parking lot, nearest Senter Road.

Stay Informed and Be Prepared:
For more storm preparedness and flood readiness resources and tips, visit

Sign up for Text & Email Alerts:
Residents are advised to opt in to AlertSCC, the Santa Clara County emergency alert system. Sign-up at AlertSCC is a free, easy, and confidential way for anyone who lives or works in Santa Clara County to get emergency warnings sent directly to their cell phone, email, or landline.

We will pause the release of Flash Reports on Sunday and Monday, January 15-16, and resume with a Flash Report on Tuesday, January 17. The City will continue to monitor and respond to the ongoing rain and storms throughout the weekend. For up-to-date information, visit

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