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 21 2018 at 7:29 AM PDT

Next Issuance:

Apr 22 2018 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
2016*	65,654	36.06	Mar 15, 2016
2015*	55,548	33.25	Dec 15, 2014
2014*	25,520	24.04	Mar 6, 2014
2013*	29,400	34.99	Dec 26, 2012
2012*	41,068	29.67	Mar 19, 2012
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 around 81. Northwest winds up to 10 mph.

Tonight: Clear. Lows around 54. Southeast winds up to 10 mph.

Sunday: Mostly sunny. Highs around 82. Light winds.

Sunday Night: Mostly clear. Lows around 54. South winds up to 10 mph.

Monday: Mostly sunny. Highs 80 to 85. Northwest winds up to 10 mph.

Monday Night: Mostly clear. Lows around 55.

Tuesday: Mostly sunny. Highs 81 to 86.

Tuesday Night: Partly cloudy. Lows 53 to 59.

Wednesday through Thursday Night: Mostly clear. Highs 77 to 87. Lows 49 to 59.

Friday: Mostly sunny. Highs 72 to 79.

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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