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:

Dec 07 2023 at 1:22 PM PST

Next Issuance:

Dec 08 2023 at 9:00 AM PST

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)

Tonight: Mostly clear. A slight chance of rain showers early in the evening. Colder. Lows 34 to 40. North winds up to 10 mph with gusts to around 20 mph.

Friday: Mostly sunny. Breezy. Highs around 55. Northwest winds 10 to 25 mph. Gusts up to 20 mph in the morning.

Friday Night: Clear. Lows 33 to 41. Northwest winds 10 to 20 mph with gusts to around 30 mph.

Saturday: Mostly sunny in the morning then becoming partly cloudy. Areas of frost in the morning. Highs around 57. North winds around 10 mph with gusts to around 20 mph.

Saturday Night: Partly cloudy in the evening then becoming mostly cloudy. Areas of frost after midnight. Lows 33 to 41. Light winds.

Sunday: Partly cloudy. Areas of frost. Highs around 58.

Sunday Night: Partly cloudy. Lows 35 to 44.

Monday: Mostly sunny. Highs 59 to 65.

Monday Night through Tuesday Night: Clear. Lows 35 to 45. Highs around 64.

Wednesday through Thursday: Mostly clear. Highs around 61. Lows 35 to 44.

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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