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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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Laguna de Santa Rosa at Stony Point Road NR Cotati

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About this graph

Tabular Data (UTC)

Tabular Data (PDT)

Datum: NGVD29

Metadata

NOTE: Forecasts are not available for the Laguna de Santa Rosa at Stony Point Road NR Cotati. Only observed stages are available for this point.

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Flood Categories (in feet)

Major Flood Stage:	89
Moderate Flood Stage:	85
Flood Stage:	84
Action Stage:	82
Low Stage (in feet):	-9999

Historic Crests

(P): Preliminary values subject to further review.

Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

Zoom Level:16

	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
89	Major Flooding. Martin Avenue commercial district, as well as Labath Avenue and Commerce Blvd town center (Rohnert Park) susceptible to flooding (Copeland Creek immediately to the south is also probably flooding into the same area). Rancho Verde trailer park flooded. Backwater at Highway 101.
85	Moderate Flooding. Redwood Drive at Martin Avenue area in Rohnert Park, including Martin Avenue commercial area, may begin to flood. Rancho Verde trailer park likely beginning to flood. NWS will issue a Flash Flood Warning, if not yet already issued.
84	Minor Flooding. Rohnert Park Expressway begins to flood west of Rohnert Park. City turns on storm drain pumps to relieve back pressure, sending water back to the channel. NWS will issue an Urban/Small Stream Advisory, if not yet already issued.
82	Monitor Stage. City of Rohnert Park begins to monitor the gage and is alerted via USGS Water Watch notification. NWS will issue a Flash Flood Watch if not yet already issued.

About This Location

Latitude: 38.352137° N, Longitude: 122.744155° W, Horizontal Datum: NAD83/WGS84

River Stage Reference Frame	Gauge Height	Flood Stage	Uses
NWS stage	0 ft	84 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	0 ft	84 ft	Older USGS topographic maps, NGVD29 benchmarks
MSL	Not Available	Not Available	Older USGS topographic maps, MSL benchmarks
Other	Not Available	Not Available

Current/Historical Observations:

U.S. Geological Survey (USGS) Data and Site Info for Stony Point Road NR Cotati

Resources

Hydrologic Resources

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Collaborative Agencies

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.

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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