CNRFC - Hydrology - River Guidance - Graphical RVF

Location:

SACRAMENTO RIVER - RIO VISTA (RVBC1)

Latitude: 38.16º N	Longitude: 121.69º W	Elevation: 0 Feet
Location: Solano County in California		Bulletin Group: Lower Sacramento		River Group: Lower Sacramento

Issuance Time:

Jan 24 2025 at 1:10 PM PST

Next Issuance:

Jan 25 2025 at 9:00 AM PST

Action/Monitor: 7.4 Feet

Minor Flood: 11.9 Feet

Moderate Flood: 20.4 Feet

Major Flood: 21.4 Feet

Plot Type:

Please Note: 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.

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.

Delta Tide Forecast - Text Bulletin (RNORVFSAC)
Rio Vista, Antioch, Mallard Island, and Venice Island

Historical Stage/Flow Data
Water Year	Peak Discharge (cfs)	Stage (feet)	Date
Most Recent 5 Years
2023*	--	8.81	Jan 5, 2023
2022*	--	8.35	Oct 24, 2021
2021*	--	7.92	Jun 25, 2021
2020*	--	7.79	Jun 6, 2020
2019*	--	8.94	Feb 14, 2019
Historical High Stage/Flow Events (Period of Record - Jan 1925 to Present) - Ranked by Stage
1986*	--	11.50	Feb 20, 1986
1997*	--	11.18	Jan 5, 1997
1984*	--	10.61	Dec 3, 1983
1983*	--	10.46	Jan 29, 1983
2017*	--	9.79	Feb 11, 2017
1915	--	9.70**	Feb 11, 1915
*Discharge affected by regulation or diversion
** Stage of record before regulation by Shasta Dam began in 1943
*** Datum changed from NGVD29 to NAVD88 on 10/01/2006. The difference is -0.6 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
21.4 Feet	Stages above 21.4 feet result in major flooding outside of the levees. Top of levee.
9.4 Feet	The lower end of Rio Vista begins to flood at high tides.
8.4 Feet	Nearby low lying delta tracts are threatened by flooding.

Official 7 Day National Weather Service Forecast (CAZ018)

Today: Mostly sunny until late afternoon, then partly cloudy with a slight chance of rain showers late in the afternoon. Highs around 54. North winds 10 to 15 mph with gusts to around 30 mph.

Tonight: Mostly cloudy. A chance of rain showers in the evening, then a slight chance of rain showers after midnight. Lows around 39. North winds 10 to 15 mph with gusts to around 25 mph.

Sunday: Mostly cloudy with a slight chance of rain showers in the morning, then partly cloudy in the afternoon. Highs around 55. Northeast winds 10 to 15 mph with gusts to around 25 mph.

Sunday Night: Clear. Areas of frost after midnight. Lows 31 to 39. North winds around 10 mph. Gusts up to 20 mph increasing to 30 mph after midnight.

Monday: Areas of frost in the morning. Sunny. Highs around 58. North winds around 10 mph.

Monday Night: Clear. Lows 31 to 36.

Tuesday: Sunny. Widespread frost. Highs around 57.

Tuesday Night: Clear. Patchy frost. Lows 32 to 38.

Wednesday: Mostly sunny. Areas of frost. Highs around 58.

Wednesday Night: Clear. Lows 33 to 39.

Thursday: Partly cloudy. Patchy frost. Highs 55 to 60.

Thursday Night: Mostly cloudy with a slight chance of rain. Lows around 42.

Friday: Mostly cloudy with a chance of rain. Highs around 58.

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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Verification - Historical Graphical RVF
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