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Weather Forecast Office San Francisco Bay Area, CA
California Nevada River Forecast Center
Hydrograph
River at a Glance
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About this graph
Tabular Data (UTC)
Tabular Data (PDT)
Datum: Not Available
Metadata
NOTE:
Graphical forecasts are not available for the Upper Penitencia Creek at Piedmont Road.
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:
8.5
Moderate Flood Stage:
6.5
Flood Stage:
4.5
Action Stage:
3.5
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
If you notice any errors in the below information, please contact our
Webmaster
8.5
Major Flooding: Sustained flooding would cause floodwaters to move NW towards Capitol and I-680, as well as SW towards McKee Rd. I-680 at risk of flooding under McKee and Alum Rock interchanges. Downstream of I-680, floodwaters move S towards Lower Silver Creek, and N following parallel to Coyote Crk, S of Lundy Ave. Water may move further N towards Milpitas, crossing Montague Expwy and following Capitol Ave towards I-880.
7.5
Moderate Flooding: Significant overbanking occurs on both sides of Upper Penitencia Creek throughout. Widespread flooding occurs, sheet flowing along roads to both the N and S, ponding against I-680.
6.5
Moderate Flooding: Flooding worsens along Penitencia Creek Rd with overbanking occurring at multiple locations, mostly spilling S upstream of Capitol Ave. The Commodore neighborhood experiences flooding. Neighborhood S of Educational Park Dr floods. Flea Market and surrounding area along Berryessa Crk at risk.
5.5
Minor Flooding: Neighborhood streets around Commodore Dr and Cape Horn Ct at risk, as well as flow onto Educational Park Dr. Overbanking begins to occur near Noble Ave along Penitencia Creek Rd.
4.5
Minor Flooding: Bridges and surrounding areas near Mabury Road, Educational Park Dr, and King Rd at risk.
3.5
Watch: Culvert debris can adversely affect capacity at Mabury Rd and Educational Park Dr.
About This Location
Latitude: 37.390600° N, Longitude: 121.842900° W, Horizontal Datum: NAD83/WGS84
River Stage
Reference Frame
Gauge Height
Flood Stage
Uses
NWS stage
0 ft
4.5 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
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The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details,
please click here
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NWS Information
National Weather Service
San Francisco Bay Area Weather Forecast Office
21 Grace Hopper Ave, Stop 5
Monterey, CA 93943-5505
(831) 656-1725
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Page last modified: 2-Nov-2020 7:27 PM
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