The National Weather Service issued an urban and small stream flood advisory for the Hayward area, meaning that nuisance flooding could occur. Not nearly as extreme as a flash flood watch. Regardless, we went down to take a look at San Lorenzo Creek in a number of spots and found it flowing rather rapidly.

Here it is near Foothill Boulevard and City Center Drive.

Here it is at the Grove Street Bridge.

Here it is behind the Meek Mansion.

Want to know how your surrounding area would fare in a 100-year-flood? Here’s a FEMA site where you can punch in your address and get an overview.

And here’s a Daily Review from the mid-1950s, before the San Lorenzo Creek was calmed by dams and culverts.

Let us know if you are aware of any particularly flood prone areas in the greater Hayward area that we should be keeping an eye on.