Red Flag Warning 
This is an advisory message from Alameda County. The National Weather Service in San Francisco has issued a Red Flag Warning, which is in effect from today to 4 PM Wednesday due to high winds and dry conditions. The East Bay Hills have been identified as an area of particular concern.
From the National Weather Service:
...A RED FLAG WARNING IS IN EFFECT FROM 8 AM PDT TUESDAY TO 4 PM PDT WEDNESDAY...
Definition of a Red Flag Warning:
A Red Flag Warning means that critical fire weather conditions are either occurring now...or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior.
Address/Location
AC Alert
4985 Broder Blvd
Dublin, CA 94568
Contact
Emergency: 9-1-1
Non-emergencies: 925-803-7800