CNRFC - Hydrology - River Guidance - Graphical RVF

Start of River Group

Location:

SACRAMENTO RIVER - FREMONT WEIR (FMWC1)

Latitude: 38.77º N	Longitude: 121.67º W	Elevation: 40 Feet
Location: Sutter & Yolo Counties in California		Bulletin Group: Lower Sacramento		River Group: Lower Sacramento

Issuance Time:

Oct 15 2024 at 7:58 AM PDT

Next Issuance:

Oct 16 2024 at 9:00 AM PDT

Monitor Stage: 32.0 Feet

Flood Stage: 39.5 Feet

Danger Stage: 40.5 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.

Fremont Weir Location - Stage/Flow into Yolo Bypass (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
2023*	122,700	34.74	Jan 15, 2023
2022*	35,400	26.35	Oct 27, 2021
2021*	16,600	17.75	Jan 31, 2021
2020*	24,300	21.95	Jan 28, 2020
2019*	128,200	34.90	Mar 3, 2019
Historical High Stage/Flow Events (Period of Record - Jan 1932 to Present) - Ranked by Flow
1997*	~390,000***	42.47**	Jan 02, 1997
1986*	~355,000***	41.70	Feb 20, 1986
2006*	273,670	39.99	Jan 03, 2006
* Discharge affected by regulation or diversion
** Peak stage of record (Weir overflow depth of 8.97 feet)
*** Flow estimated
**** Datum changed from NGVD29 to NAVD88 on 10/01/2016. The difference is -1.45 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
44.0 Feet	Stages above 44.0 feet result in flooding outside the levees. Top of levee.
37.3 Feet	At 5.3 feet of overflow Egbert Tract floods.
33.1 Feet	At one foot of overflow, the river road to Woodland is closed due to flooding.
32.0 Feet	Fremont Weir crest elevation. Overflow begins into the Yolo Bypass flooding agricultural lands.

Official 7 Day National Weather Service Forecast (CAZ017)

Today: Sunny. Highs around 82. Light winds.

Tonight: Mostly clear. Lows 54 to 60. South winds up to 10 mph.

Wednesday: Mostly cloudy with a chance of rain showers. Highs 73 to 79. South winds up to 10 mph.

Wednesday Night: Clear. Lows 49 to 55. Light winds.

Thursday: Mostly sunny. Highs 69 to 75. Southwest winds up to 10 mph shifting to the northwest around 10 mph in the afternoon. Gusts up to 20 mph.

Thursday Night: Clear. Lows 47 to 57.

Friday: Sunny, breezy. Highs 71 to 77.

Friday Night through Sunday: Clear. Lows 47 to 57. Highs 72 to 82.

Sunday Night and Monday: Mostly clear. Lows 49 to 58. Highs 74 to 82.

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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