CNRFC - Hydrology - River Guidance - Graphical RVF

RUSSIAN RIVER - GUERNEVILLE (GUEC1)

Latitude: 38.50º N	Longitude: 123.00º W	Elevation: 65 Feet
Location: Sonoma County in California		River Group: Russian Napa

Issuance Time:

Nov 24 2020 at 1:34 PM PST

Next Issuance:

Nov 25 2020 at 9:00 AM PST

Monitor Stage: 29.0 Feet

Flood Stage: 32.0 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
2019*	85,300**	45.38	Feb 27, 2019
2018*	15,900**	18.36	Apr 8, 2018
2017*	64,500**	37.82	Jan 11, 2017
2016*	32,500**	26.72	Mar 11, 2016
2015*	48,900**	33.42	Dec 12, 2014
Historical High Stage/Flow Events (Period of Record - February 1940 to Present)
1986*	102,000**	49.50	Feb 18, 1986
1995*	93,900**	48.00	Jan 10, 1995
1965*	93,400**	47.35	Dec 23, 1964
1956	90,100**	47.62	Dec 23, 1955
1940	88,400**	46.87	Feb 28, 1940
2019*	85,300**	45.38	Feb 27, 2019
* Discharge affected to unknown degree by regulation or diversion
** Estimated

Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Official 7 Day National Weather Service Forecast (CAZ506)

Rest of Tonight: Partly cloudy. Lows in the mid 30s to upper 40s. Northwest winds 5 to 10 mph.

Wednesday: Sunny. Highs in the upper 50s to mid 60s. Northwest winds 10 to 20 mph.

Wednesday Night: Mostly clear. Areas of frost after midnight. Lows in the 30s to 40s. Northwest winds 10 to 20 mph. Gusts up to 40 mph after midnight.

Thanksgiving Day: Sunny. Highs in the 50s to upper 60s. North winds 10 to 20 mph. Gusts up to 40 mph in the morning.

Thursday Night: Mostly clear. Lows in the lower 30s to mid 40s. Northeast winds 5 to 15 mph.

Friday: Sunny. Highs in the 50s to upper 60s.

Friday Night and Saturday: Mostly clear. Lows in the upper 20s to mid 40s. Highs in the 50s to upper 60s.

Saturday Night: Mostly clear in the evening then becoming partly cloudy. Areas of frost. Lows in the lower 30s to mid 40s.

Sunday: Partly cloudy. Highs in the upper 50s to mid 60s.

Sunday Night: Partly cloudy in the evening then becoming mostly cloudy. Areas of frost. Lows in the lower 30s to mid 40s.

Monday and Monday Night: Partly cloudy. Highs in the 50s to mid 60s. Lows in the lower 30s to mid 40s.

Tuesday: Partly cloudy in the morning then becoming sunny. Highs in the 50s to upper 60s.

Impacts - E19 Information
32.0 Feet	Minor flooding. Lower Mill Street in Guerneville and Old Bohemian Hwy in Monte Rio is closed.
32.5 Feet	In Guerneville the intersection of Hwy 116 and Neely Road is closed. Mays Canyon Road by the Old Rodeo Grounds is closed.
33.0 Feet	In Guerneville the intersection of Hwy 116 and Drake Road is closed. In Monte Rio, Willow and Alder Streets flood. In Forestville, Mirabel Trailer Park begins to flood.
34.0 Feet	In Guerneville, flooding begins at Johnsons Resort, Parkers Resort, Creekside Resort, and Riverside Park. In Northwood, Lower Redwood Drive begins to flood.
35.0 Feet	Numerous businesses and homes in the lowest sections of towns begin to flood. In Guerneville, Sonoma West Inn begins to flood. More extensive flooding occurs at Parkers Resort. In Northwood, Lower Redwood Drive floods.
36.0 Feet	In Forestville, Mirabel Park Resort and Mirabel Trailer Park flood. In Guerneville, Fern Road at Hwy 116 floods.
37.0 Feet	In Forestville, Mirabel Road at River Road floods. In Guerneville, River Road east of Guerneville floods. Mill Street and 5th Street flood. In Monte Rio, River Blvd east of Monte Rio floods.
38.0 Feet	In Duncan Mills, Freezeout Road at Moscow Road floods. In Guerneville, Park Cazadero Road at Hwy 116 floods.
39.0 Feet	West of Duncan Mills, Hwy 116 closed. In Hacienda, River Road floods. In Rio Nido, Canyon 7 Road at the miniature golf course floods. In Guerneville, the Triple R Resort begins to flood.
40.0 Feet	In Guerneville, travel on River Road very difficult. In Northwood, Upper Redwood Drive floods. In Cazadero, Austin Creek Road floods.
41.5 Feet	In Guerneville, River Road closed. In Monte Rio, the main intersections flood. Monte Rio Elementary School begins to flood.
44.0 Feet	In Guerneville, Hwy 116 west of town closed. Safeway floods. In Monte Rio and Guerneville Park, the main business sections flood. Travel in most areas nearly impossible.
46.0 Feet	In Guerneville, much of downtown floods. The Guerneville Post Office begins to flood. In Rio Nido, River Road floods.
47.0 Feet	In Guerneville, businesses on the north side of Main Street flood. Travel most areas impossible.
48.5 Feet	In Guerneville, the Veterans Building and Sheriffs Substation begin to flood.
49.5 Feet	Flood of Record. 02/18/1986 (102,000 cfs)

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 San Francisco Bay Area-Monterey 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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