Web Portal Changes: The Advanced Hydrologic Prediction Service (AHPS) hosted at https://water.weather.gov will be replaced by the National Water Prediction Service (NWPS), with a target of Spring 2024. Existing AHPS content and features will be preserved and expanded within NWPS. The NWS is now accepting feedback on NWPS. Please visit https://www.weather.gov/owp/operations for more information.

Experimental National Water Center Products: Flood Inundation Mapping services are now available for 10% of the U.S. population. Please visit https://www.weather.gov/owp/operations for more information. The National Hydrologic Discussion, Area Hydrologic Discussion, Flood Hazard Outlook, and real-time geospatial services depicting River Forecast Center and National Water Model forecasts, continue to be accessible via the URL above, as described in the StoryMap here.

Weather Forecast Office San Francisco Bay Area, CA

California Nevada River Forecast Center

Hydrograph

River at a Glance

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Printable Image About this graph Tabular Data (UTC) Tabular Data (PST) Datum: Not Available Metadata

NOTE: Graphical forecasts are not available for the Coyote Creek at E Williams Rd. During times of high water, forecast crest information can be found in the text products.

Default Hydrograph Scale to Flood Categories   Return to Area Map

Flood Categories (in feet) Major Flood Stage: 32.5 Moderate Flood Stage: 27 Flood Stage: 24 Action Stage: 20 Low Stage (in feet): -9999 Historic Crests Currently none available. Recent Crests Currently none available. Low Water Records Currently none available.

Zoom Level:16 Legend FEMA Layer Gauge Location Disclaimer Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.

Flood Impacts & Photos

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38	Major Flooding...Spills from Selma Park flow N to flood a large area E of the creek, continuing N to Upper Penitencia Creek, overflowing Hwy 101. W bank outbreaks at Watson Park, N 20th St, Roosevelt St, N 19th St at its S end, N 18th St, E St. John St, East Santa Clara St and S 17th St. Floodwaters converge to the Commercial St Neighborhood around N 4th St and N 10th St to cause flooding N of I-880 in San Jose.
36.5	Major Flooding: E William/Olinder Neighborhood (S 22nd St, S 21st, Brookwood Ave and 19th, 20th, and 21st St) flood with flows moving NE towards US-101 and Lower Silver Crk. Ponding of concern on the southside of Lower Silver Crk at W Court and Anne Darling Elementary School, S 16th St and E William near the crk, Brookwood Ave, Arroyo Way and S 17th St, and Gilthero Court. Flooding for Olinder Elementary School, San Jose Community Middle and High Schools.
35.1	Major Flooding...Low-lying creekside homes on Brookwood Ave and S 19th St are at risk of flooding. Low-lying areas of Roosevelt Park are flooded.
35	Major Flooding: Intersection of S 21st St and S 19th St with William St becomes flooded by overland flow releasing floodwaters into E William Neighborhood. Olinder School becomes flooded. Homes along S 19th, S 20th, and S 21st Sts N of E William St are flooded. E William St W of Coyote Crk is flooded from William St Park. William St overland flow travels across E William St to flood creekside homes at the intersection of S 16th St and E William St. Creekside homes of S 17th St and Arroyo Way flooded.
33.3	Major Flooding: Historical High Water - February 2017
32.5	Major Flooding: Homes along Arroyo Way and 17th St, homes N of William St on S 16th St and E William, homes along Brookwood Ave and 19th St are at flood risk. Selma Park inundated and overflows into Olinder Neighborhood. Minor flooding at Olinder School. William Street Park is inundated.
29.5	Moderate Flooding: Homes located near the creek along Arroyo Way and 17th Street, Brookwood Ave, S 16th St and East William Street, 19th St between San Antonio and Calhoun are at risk. Olinder school begins to flood. Watson, Selma, Kelly, and William St Parks are flooding. Low areas of Roosevelt Park are flooded. Woodborough Dr starts to become inundated.
27	Moderate Flooding: Selma Park and William Street Park flooding. Homes along Arroyo Way and 17th Streets, and homes northwest of William St and the creek flood.
24	Minor Flooding: Homes in the creek along Arroyo Way and 17th Street northwest of East William St begin to flood.
20	Actions Stage.

About This Location

Latitude: 37.336900° N, Longitude: 121.868300° W, Horizontal Datum: NAD83/WGS84 River Stage Reference Frame Gauge Height Flood Stage Uses NWS stage 0 ft 24 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps Vertical Datum Elevation (gauge height = 0) Elevation (gauge height = flood stage) Elevation information source NAVD88 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps NGVD 29 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks Other Not Available Not Available

Resources

Hydrologic Resources Text Products Past Precipitation Forecast Precipitation River Forecast Centers River Stage Summary California Data Exchange Center Most Recent Scheduled Reservoir Releases USGS Real-time Data for California USGS - Western Region Geologic Information Inundation Mapping Locations

Additional Resources Area Hydrographs NWS Precipitation and River Forecasting AHPS Iframes for Developers Mobile iNWS for emergency management Snow Information

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