CNRFC - Hydrology - River Guidance - Graphical RVF

Start of River Group

SACRAMENTO RIVER - FREMONT WEIR (FMWC1)

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

Issuance Time:

Apr 14 2021 at 8:46 AM PDT

Next Issuance:

Apr 15 2021 at 9:00 AM PDT

Monitor Stage: 32.0 Feet

Flood Stage: 39.5 Feet

Danger Stage: 40.5 Feet

Fremont Weir Location - Stage/Flow into Yolo Bypass (Estimated)

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
2019*	128,200	34.90	Mar 3, 2019
2018*	76,000	33.29	Apr 9, 2018
2017*	258,000	37.79	Feb 11, 2017
2016*	65,654	36.06	Mar 15, 2016
2015*	55,548	33.25	Dec 15, 2014
Historical High Stage/Flow Events (Period of Record - Jan 1932 to Present)
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

Official 7 Day National Weather Service Forecast (CAZ017)

Today: Sunny. Highs 71 to 77. Southwest winds up to 10 mph.

Tonight: Clear. Lows 41 to 49. South winds up to 10 mph.

Friday: Sunny. Highs 77 to 84. Light winds becoming northwest around 10 mph in the afternoon.

Friday Night: Clear. Lows 43 to 53. West winds around 10 mph shifting to the south up to 10 mph after midnight. Gusts up to 20 mph.

Saturday: Sunny. Highs 80 to 88. North winds 10 to 15 mph with gusts to around 25 mph.

Saturday Night: Clear. Lows 46 to 56.

Sunday: Sunny. Highs 84 to 91.

Sunday Night: Clear. Lows 49 to 55.

Monday and Monday Night: Mostly clear. Highs 83 to 89. Lows 48 to 55.

Tuesday through Wednesday: Mostly clear. Highs 77 to 84. Lows 46 to 54.

Impacts - E19 Information
32.0 Feet	Fremont Weir crest elevation. Overflow begins into the Yolo Bypass flooding agricultural lands.
33.1 Feet	At one foot overflow, River Road to Woodland is closed due to flooding.
37.3 Feet	At 5.3 feet overflow, Egbert Tract floods.
44.0 Feet	Stages above 44.0 feet result in flooding outside the levees. Top of levee.

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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