CNRFC - Hydrology - River Guidance - Graphical RVF

Location:

SACRAMENTO RIVER - VINA WOODSON BRIDGE (VWBC1)

Latitude: 39.91º N	Longitude: 122.09º W	Elevation: 185 Feet
Location: Tehama County in California		Bulletin Group: Upper Sacramento		River Group: Upper Sacramento

Issuance Time:

Jun 30 2025 at 6:46 AM PDT

Next Issuance:

Jul 01 2025 at 9:00 AM PDT

Action/Monitor: 180.0 Feet

Minor Flood: 183.0 Feet

Moderate Flood: 189.4 Feet

Major Flood: 189.9 Feet

Plot Type:

Please Note:
1) Each individual timeseries plotted on the graphical river forecast can be toggled on and off by clicking the legend entry above. If the "Observed (Raw Data)" contains bad data and is toggled off, the plot will scale to the remaining timeseries.

2) At extremely low river flows, the "Observed (Raw Data)" may show readings below the lower end of the available rating table, while the "Observed (Simulated)" will only show values at the bottom of the rating table, creating a potential discrepancy between the two readings.

Observed Data Credit
	Raw streamflow data is provided by the California Department of Water Resources. View California Department of Water Resources Data for this station location.

Historical Stage/Flow Data
Water Year	Peak Discharge (cfs)	Stage (feet)	Date
Most Recent 5 Years
2024*	104,000	183.77	Feb 19, 2024
2023*	128,400	186.59	Mar 15, 2023
2022*	49,400	176.33	Oct 25, 2021
2021*	13,200	168.77	Feb 3, 2021
2020*	28,300	172.24	Jan 26, 2020
Historical High Stage/Flow Events (Period of Record - Jan 1945 to Present)** - Ranked by Flow
1970*	--	191.50***	Jan 24, 1970
1983*	177,800	191.27***	Mar 1, 1983
1963*	--	190.94***	Dec 23, 1964
1974*	157,000	190.36***	Jan 16, 1974
1995*	--	189.62	Jan 10, 1995
* Discharge affected by regulation or diversion
** Flood flows measured by staff gauge back to 1900
*** Old Datum. The difference is -3.0 ft and must be applied to data to convert from NGVD29 to NAVD88
**** Datum changed from USED to NAVD88 on 10/01/2019. The difference is -0.1 ft and must be applied to all data before date to convert to NAVD88

Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Flood Impacts
189.9 Feet	Extensive flooding is occurring. The Corning to Vina Road (South Avenue) is closed due to flooding. Water pools in orchards and on agricultural land on the east flood plain along the road. RV Park is flooded.
188.9 Feet	Water leaves the established river channel and floods low lying areas along the Sacramento River. RV Park south of the bridge and on left bank of river is completely impacted and closed.
185.9 Feet	South Avenue is flooded and closed. RV Park south of the bridge and on left bank of river experiences more flooding with RV Park office, spaces 1-14, 34-52, and 62-72 impacted.
184.9 Feet	South Avenue starts to flood east of the river.
183.9 Feet	Tehama County Park on left bank of river is closed due to flooding. Water is up to the top steps of the recreation center at the RV Park south of the bridge and on left bank of river with spaces 15-33 taking on water.

Official 7 Day National Weather Service Forecast (CAZ015)

Tonight: Mostly clear. Lows 69 to 75. South winds up to 10 mph with gusts to around 20 mph in the evening becoming light.

Tuesday: Partly cloudy in the morning, then partly cloudy with a slight chance of showers and thunderstorms in the afternoon. Highs around 99. South winds up to 10 mph.

Tuesday Night: Mostly clear. A slight chance of showers and thunderstorms in the evening. Lows 68 to 74. West winds around 10 mph in the evening becoming light.

Wednesday: Sunny. Highs around 101. Light winds becoming south up to 10 mph in the afternoon.

Wednesday Night: Mostly clear. Lows around 68. Southwest winds around 10 mph shifting to the northwest up to 10 mph after midnight.

Thursday: Mostly sunny. Highs 91 to 97.

Thursday Night: Clear. Lows 61 to 67.

Independence Day through Saturday Night: Clear. Highs 86 to 93. Lows 61 to 69.

Sunday through Monday: Clear. Highs 93 to 99. Lows 63 to 69.

Product Disclaimer

This river graphic is not intended to serve as a substitute for official flood watches, warnings, advisories, or statements issued by the NWS Sacramento Weather Forecast Office. Observations are preliminary and subject to change. River levels identified as "forecast" should be consistent with those contained in official NWS products. River levels identified as "guidance" have significant uncertainty due to future weather or reservoir regulation and are provided for planning purposes only.

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