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:

Sep 19 2018 at 6:37 AM PDT

Next Issuance:

Sep 20 2018 at 9:00 AM PDT

Monitor Stage: N/A

Flood Stage: 23.0 Feet

SPECIAL NOTE:

There is significant concern about the accuracy of the stage-discharge rating curve for this location at very high stages. Peak stage forecasts may be as much as 5 feet too high.

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
2017	24,400	35.87	Jan 11, 2017
2016	13,400	24.67	Jan 18, 2016
2015	18,600	30.19	Dec 11, 2014
2014	4,550	14.10	Mar 29, 2014
2013	27,900	30.48	Dec 2, 2012
Historical High Stage/Flow Events (Period of Record - Oct 1950 to Present)
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)

Rest of Tonight: Clear. Patchy valley fog overnight. Lows 46 to 56.

Thursday: Sunny. Patchy valley fog in the morning. Highs 77 to 92.

Thursday Night: Clear. Patchy valley fog overnight. Lows 49 to 59.

Friday: Sunny. Highs 77 to 92.

Friday Night and Saturday: Partly cloudy. Patchy valley fog. Lows 47 to 57. Highs 77 to 92.

Saturday Night through Sunday Night: Partly cloudy. Patchy valley fog. Lows 46 to 56. Highs 73 to 88.

Monday: Mostly sunny. Highs 73 to 87.

Monday Night through Wednesday: Mostly clear. Lows 47 to 57. Highs 73 to 87.

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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Verification - Historical Graphical RVF
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To view other verification locations, use our Historical Graphical River Forecast Interface.