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:

Jan 22 2022 at 8:15 AM PST

Next Issuance:

Jan 23 2022 at 9:00 AM PST

Monitor Stage: 29.0 Feet

Flood Stage: 32.0 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
2020*	6,930**	12.10	Dec 8, 2019
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
Historical High Stage/Flow Events (Period of Record - February 1940 to Present) - Ranked by Flow
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)

Tonight: Clear, breezy. Lows in the 30s to upper 40s. Northeast winds 20 to 30 mph.

Sunday: Sunny, breezy. Highs in the upper 50s to mid 60s. East winds 20 to 30 mph and becoming southeast 5 to 10 mph in the afternoon.

Sunday Night: Mostly clear. Lows in the 30s to mid 40s. Northwest winds 5 to 10 mph.

Monday: Sunny. Highs in the upper 50s to mid 60s. North winds up to 5 mph and becoming west in the afternoon.

Monday Night: Mostly clear except patchy fog after midnight. Lows in the upper 30s to mid 40s. Northwest winds up to 5 mph.

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

Tuesday Night: Mostly clear in the evening then becoming partly cloudy. Patchy fog. Lows in the 30s to mid 40s.

Wednesday through Thursday: Mostly clear. Highs in the 50s to upper 60s. Lows in the upper 30s to mid 40s.

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

Friday Night: Partly cloudy in the evening then becoming mostly cloudy. Patchy fog. A slight chance of rain. Lows in the 30s to upper 40s.

Saturday: Partly cloudy. A slight chance of rain. Highs in the mid 50s to lower 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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