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:

May 30 2020 at 8:27 AM PDT

Next Issuance:

May 31 2020 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)

Tonight: Mostly clear. A slight chance of rain showers and isolated thunderstorms in the evening. Lows around 55. South winds up to 10 mph. Gusts up to 20 mph in the evening.

Sunday: Partly cloudy in the morning then becoming mostly cloudy. Highs 78 to 83. Southwest winds up to 10 mph.

Sunday Night: Mostly cloudy. Lows 55 to 61. South winds up to 10 mph.

Monday: Mostly cloudy. Highs 81 to 86. Southwest winds up to 10 mph.

Monday Night: Mostly cloudy in the evening then clearing. Lows 58 to 64. West winds up to 10 mph.

Tuesday: Mostly sunny. Warmer. Highs 90 to 96.

Tuesday Night: Mostly clear. Lows 61 to 67.

Wednesday and Wednesday Night: Mostly clear. Highs 93 to 99. Lows 61 to 67.

Thursday: Sunny. Highs 90 to 96.

Thursday Night through Friday Night: Mostly clear. Lows 51 to 61. Highs 83 to 93.

Saturday: Mostly sunny. Highs 75 to 80.

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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