CNRFC - Hydrology - River Guidance - Graphical RVF

End of River Group

Location:

SACRAMENTO RIVER - TISDALE WEIR (TISC1)

Latitude: 39.03º N	Longitude: 121.82º W	Elevation: 45 Feet
Location: Sutter County in California		Bulletin Group: Upper Sacramento		River Group: Upper Sacramento

Issuance Time:

Apr 23 2024 at 7:36 AM PDT

Next Issuance:

Apr 24 2024 at 9:00 AM PDT

Monitor Stage: 44.1 Feet

Flood Stage: 51.6 Feet

Danger Stage: 52.6 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.

Tisdale Weir Location - Sacramento River Channel Stage/Flow (Estimated)

Please Note: Each individual timeseries plotted on the graphical river forecast can be toggled on and off by clicking the legend entry above.

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

Historical Stage/Flow Data
Water Year	Peak Discharge (cfs)	Stage (feet)	Date
Most Recent 5 Years
2022*	4,350	45.63	Oct 26, 2021
2021*	0****	--	--
2020*	0****	--	--
2019*	18,400	49.70	Mar 1, 2019
2018*	11,400	48.00	Apr 9, 2018
Historical High Stage/Flow Events (Period of Record - Jan 1932 to Present) - Ranked by Flow
1940	--	53.50**	Mar 01, 1940
1966*	24,600***	--	Dec 25, 1965
1997*	20,000	53.10	Jan 03, 1997
1942	19,500	52.90	Feb 08, 1942
1986*	19,300	52.66	Feb 20, 1986
* Discharge affected by regulation or diversion
** Peak of record prior to construction of Shasta Dam (Above Rating Table)
*** Peak of record after construction of Shasta Dam
**** No weir flow observed during the entire water year
***** Datum changed from USED to NAVD88 on 10/01/2019. The difference is -1.4 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

Impacts - E19 Information
44.1 Feet	Tisdale Weir crest elevation. Overflow begins into the Tisdale Bypass. This water eventually ends up in the Sutter Bypass.
55.6 Feet	Stages above 55.6 feet results in flooding outside the levees. Top of levee.

Official 7 Day National Weather Service Forecast (CAZ016)

Today: Partly cloudy in the morning then clearing. Highs 70 to 75. Southeast winds up to 10 mph.

Tonight: Mostly clear. Lows around 52. Southeast winds around 10 mph.

Thursday: Partly cloudy in the morning then becoming mostly cloudy. Highs 65 to 72. Southeast winds up to 15 mph.

Thursday Night: Mostly cloudy with a slight chance of rain showers. Lows around 52. South winds 10 to 15 mph.

Friday: Partly cloudy with a slight chance of rain showers in the morning, then mostly cloudy with a chance of rain showers and a slight chance of thunderstorms in the afternoon. Highs 67 to 72. Southeast winds up to 10 mph shifting to the east around 10 mph in the afternoon.

Friday Night: Mostly clear. Lows around 48.

Saturday: Mostly sunny. Highs 71 to 76.

Saturday Night: Mostly clear. Lows around 50.

Sunday through Tuesday: Clear. Highs 73 to 79. Lows around 50.

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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