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:

Dec 10 2018 at 1:34 PM PST

Next Issuance:

Dec 11 2018 at 9:00 AM PST

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
2017*	258,000	37.79	Feb 11, 2017
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
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. Patchy fog after midnight. Lows 33 to 43. Northwest winds up to 10 mph with gusts to around 20 mph.

Tuesday: Patchy dense fog in the morning. Mostly sunny. Highs 54 to 60. North winds up to 10 mph shifting to the west in the afternoon. Gusts up to 20 mph.

Tuesday Night: Partly cloudy in the evening then becoming mostly cloudy. Patchy fog after midnight. Lows 35 to 43. Light winds.

Wednesday: Partly cloudy in the morning then clearing. Patchy fog in the morning. Highs around 60. North winds up to 15 mph. Gusts up to 25 mph in the afternoon.

Wednesday Night: Mostly clear. Lows 33 to 41. Northwest winds up to 15 mph.

Thursday: Mostly sunny. Highs around 58.

Thursday Night: Mostly clear. Lows 36 to 42.

Friday and Friday Night: Mostly cloudy with a chance of rain. Highs around 57. Lows 36 to 43.

Saturday: Mostly cloudy. Highs 53 to 59.

Saturday Night: Mostly cloudy with a chance of rain. Lows around 44.

Sunday: Rain likely. Highs around 55.

Sunday Night: Rain likely. Lows around 44.

Monday: Mostly cloudy with a slight chance of rain. Highs around 56.

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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