CNRFC - Hydrology - River Guidance - Graphical RVF

Location:

FEATHER RIVER - GRIDLEY (GRIC1)

Latitude: 39.37º N	Longitude: 121.65º W	Elevation: 92 Feet
Location: Butte County in California		Bulletin Group: Lower Sacramento		River Group: Feather Yuba

Issuance Time:

Dec 07 2024 at 7:41 AM PST

Next Issuance:

Dec 08 2024 at 9:00 AM PST

Action/Monitor: 94.0 Feet

Minor Flood: 103.0 Feet

Moderate Flood: 105.6 Feet

Major Flood: 106.6 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.

Observed Data Credit
	Raw streamflow data is provided by the California Department of Water Resources. View California Department of Water Resources Data for this station location.

Historical Stage/Flow Data
Water Year	Peak Discharge (cfs)	Stage (feet)	Date
Most Recent 5 Years
2023*	38,900	85.49	Mar 20, 2023
2022*	6,200	75.47	Mar 9, 2022
2021*	3,310	73.81	Jul 2, 2021
2020*	9,540	76.16	Oct 2, 2019
2019*	24,900	82.90	Apr 7, 2019
Historical High Stage/Flow Events (Period of Record - Mar 1929 to Present) - Ranked by Flow
1956	--	102.25**	Dec 23, 1955
1986*	--	100.06	Feb 19, 1986
1997*	--	98.83	Jan 2, 1997
2017*	129,000	96.37	Feb 14, 2017
1995*	89,434	94.66	Mar 12, 1995
2006*	76,964	91.97	Jan 3, 2006
* Discharge affected by regulation or diversion
** Peak stage before regulation by Oroville Dam began in 1967 (also old datum)
*** Datum difference is -2.9 ft and must be applied to data to convert from NGVD29 to NAVD88
**** Datum changed from USED to NAVD88 on 10/01/2019. The difference is -0.7 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
106.5 Feet	Stages above 106.5 feet result in flooding outside the levees. Top of levee.
101.6 Feet	East bank overflows from Hamilton Bend to Four Corners and to near Hwy 40.
99.3 Feet	Water flows over Hwy 70 south of east Gridley Road.
97.5 Feet	General overflow of the east bank south of the gage to near Hwy 70 occurs. This floods extensive areas of farm land.
95.3 Feet	Overflow of the east bank begins east of Gridley. This water flows into orchards.

Official 7 Day National Weather Service Forecast (CAZ016)

Today: Mostly sunny in the morning then becoming partly cloudy. Widespread fog and locally dense early in the morning. Haze in the morning. Areas of fog late in the morning. Highs around 61. Light winds.

Tonight: Mostly cloudy in the evening then becoming partly cloudy. Lows 40 to 48. Light winds.

Sunday: Partly cloudy in the morning then clearing. Highs around 64. Northwest winds up to 15 mph with gusts to around 25 mph.

Sunday Night: Clear. Lows 36 to 46. North winds 10 to 15 mph. Gusts up to 20 mph increasing to 30 mph after midnight.

Monday: Sunny. Highs around 61. North winds 10 to 15 mph with gusts to around 30 mph.

Monday Night: Clear, colder. Lows 31 to 41.

Tuesday: Partly cloudy. Highs around 57.

Tuesday Night: Mostly cloudy. Lows 35 to 44.

Wednesday: Partly cloudy. Highs around 58.

Wednesday Night: Mostly cloudy with a slight chance of rain showers. Lows 37 to 44.

Thursday through Friday: Mostly cloudy with a chance of rain showers. Highs around 56. Lows 37 to 44.

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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Verification - Historical Graphical RVF
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