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Weather Forecast Office Sacramento, 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: NAVD88 Metadata

NOTE: Crests prior to 10/1/2019 are in an old datum. Datum change to NAVD88 occurred on 10/1/2019. See LINK for correction value. NOTE: Forecasts for the Sacramento River at Red Bluff Diversion Dam are issued routinely year-round. Vertical Datum updated from NGVD29 to NAVD88 by gauge owner.

Default Hydrograph Scale to Flood Categories   Return to Area Map

Upstream Gauge

Downstream Gauge

Flood Categories (in feet) Major Flood Stage: 261.6 Moderate Flood Stage: 257.6 Flood Stage: 255.5 Action Stage: 252.5 Low Stage (in feet): 0 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 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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259.6	Extensive flooding problems begin to happen in low lying areas of Red Bluff.
257.6	Water starts into the houses on Mary Lane, Howell Street and surrounding streets.
256.9	The trailer house at the south end of Idle Wheels Trailer Park starts to take water. Water is up to the parking lot at city park. Paynes Creek slough closes Bell Mill Road at Kaer Avenue.
256.6	Overflow of east bank of river downstream of gage begins. Housing development in the area is threatened.
248.6	The river starts to flow eastward into sand slough on the left bank upstream of the gage.

About This Location

Latitude: 40.154444° N, Longitude: 122.201944° W, Horizontal Datum: NAD83/WGS84 River Stage Reference Frame Gauge Height Flood Stage Uses NWS stage 0 ft 255.5 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 0.0 255.5 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   Current/Historical Observations: Corps of Engineers (COE) Info for Red Bluff Diversion Dam

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 WFO Sacramento Hydrology Inundation Mapping Locations

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

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