CNRFC - Hydrology - River Guidance - Graphical RVF

Start of River Group

Location:

NAVARRO RIVER - NAVARRO (NVRC1)

Latitude: 39.17º N	Longitude: 123.67º W	Elevation: 20 Feet
Location: Mendocino County in California		Bulletin Group: Russian Napa		River Group: Russian Napa

Issuance Time:

Sep 22 2023 at 8:18 AM PDT

Next Issuance:

Sep 23 2023 at 9:00 AM PDT

Monitor Stage: N/A

Flood Stage: 23.0 Feet

Plot Type:

Observed Data Credit
	Raw streamflow data is provided by the US Geological Survey (USGS). View USGS Data for this station location.

Historical Stage/Flow Data
Water Year	Peak Discharge (cfs)	Stage (feet)	Date
Most Recent 5 Years
2022	9,980	21.36	Oct 24, 2021
2021	801	6.30	Feb 2, 2021
2020	2,560	10.78	Dec 7, 2019
2019	38,300	37.16	Feb 27, 2019
2018	8,390	18.70	Apr 6, 2018
Historical High Stage/Flow Events (Period of Record - Oct 1950 to Present) - Ranked by Flow
1955	64,500	40.60	Dec 22, 1955
2006	62,000	39.81	Dec 31, 2005
1974	61,000	39.13	Jan 16, 1974
1965	52,100	38.64	Dec 22, 1964

Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Impacts - E19 Information
23.0 Feet	Flooding of Highway 128 approximately 5 miles from Highway 1 is certain and the highway will be closed. Motorists should use alternate routes
30.0 Feet	Water will flow over the south bank of the river approximately 1 mile east of Highway 1, and begin to flood property in this area including six homes. Expect closure of Highway 128. Motorists should use alternate routes.
34.0 Feet	Significant flooding over the south bank approximately 1 mile east of Highway 1, and damage to property including 6 homes is possible. Expect closure of Highway 128. Motorists should use alternative routes.

Official 7 Day National Weather Service Forecast (CAZ112)

Tonight: Mostly clear. Patchy valley fog overnight. Lows 43 to 53.

Saturday: Sunny. Patchy valley fog in the morning. Highs 69 to 79.

Saturday Night: Partly cloudy in the evening then becoming mostly cloudy. Lows 45 to 55.

Sunday: Mostly cloudy. Highs 67 to 77.

Sunday Night: Mostly cloudy. Chance of rain. Lows 49 to 59.

Monday: Rain. Highs 62 to 72.

Monday Night: Mostly cloudy. Chance of rain. Lows 49 to 59.

Tuesday: Partly cloudy in the morning then clearing. Slight chance of rain. Highs 68 to 78.

Tuesday Night: Mostly clear. Lows 47 to 57.

Wednesday: Mostly sunny. Slight chance of rain. Highs 68 to 78.

Wednesday Night through Friday: Mostly clear. Lows 46 to 56. Highs 67 to 78.

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 Eureka 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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