CNRFC - Hydrology - River Guidance - Graphical RVF

Start of River Group

NAVARRO RIVER - NAVARRO (NVRC1)

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

Issuance Time:

Oct 17 2021 at 7:31 AM PDT

Next Issuance:

Oct 18 2021 at 9:00 AM PDT

Monitor Stage: N/A

Flood Stage: 23.0 Feet

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
2020	2,560	10.78	Dec 7, 2019
2019	38,300	37.16	Feb 27, 2019
2018	8,390	18.70	Apr 6, 2018
2017	24,400	35.87	Jan 11, 2017
2016	13,400	24.67	Jan 18, 2016
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

Official 7 Day National Weather Service Forecast (CAZ112)

Tonight: Mostly cloudy. Rain showers in the evening, then slight chance of rain showers overnight. Lows 37 to 47.

Monday: Mostly sunny. Patchy valley fog in the morning. Highs 55 to 65.

Monday Night: Partly cloudy. Patchy valley fog overnight. Lows 35 to 45.

Tuesday: Mostly cloudy. Patchy valley fog. Slight chance of rain showers. Highs 58 to 68. Southeast wind around 20 mph.

Tuesday Night: Rain showers. Lows 43 to 53. Southeast wind around 20 mph.

Wednesday: Rain showers likely. Highs 58 to 68.

Wednesday Night: Mostly cloudy. Chance of rain showers. Lows 47 to 57.

Thursday: Mostly cloudy. Rain showers likely. Highs 59 to 69.

Thursday Night and Friday: Rain showers likely. Lows 46 to 56. Highs 57 to 69.

Friday Night: Mostly cloudy. Slight chance of rain showers. Lows 41 to 51.

Saturday: Mostly cloudy. Chance of rain showers. Highs 55 to 65.

Saturday Night: Rain showers likely. Lows 44 to 54.

Sunday: Rain showers likely. Highs 55 to 65.

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.

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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