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:

Feb 20 2019 at 2:33 PM PST

Next Issuance:

Feb 21 2019 at 9:00 AM PST

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)

Tonight: Mostly cloudy in the evening then clearing. Chance of rain showers in the evening, then slight chance of rain showers overnight. Snow level 2000 to 2500 feet. Lows 31 to 41. Northwest wind around 20 mph in the evening.

Thursday: Sunny. Highs 48 to 58.

Thursday Night: Clear. Lows 28 to 38.

Friday: Sunny. Highs 49 to 59.

Friday Night: Partly cloudy. Lows 32 to 42.

Saturday: Mostly cloudy. Chance of rain. Highs 47 to 57.

Saturday Night: Mostly cloudy. Chance of rain. Lows 37 to 47.

Sunday and Sunday Night: Rain likely. Highs 47 to 57. Lows 39 to 49.

Monday through Tuesday: Rain. Highs 48 to 59. Lows 41 to 51.

Tuesday Night: Rain likely. Lows 41 to 51.

Wednesday: Mostly cloudy. Chance of rain. Highs 51 to 61.

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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