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:

Apr 21 2018 at 7:58 AM PDT

Next Issuance:

Apr 22 2018 at 9:00 AM PDT

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
2016*	32,500	26.72	Mar 11, 2016
2015*	42,900	36.10	Dec 12, 2014
2014*	17,300	19.17	Feb 9, 2014
2013*	38,400	32.79	Dec 24, 2012
2012*	26,800	24.99	Mar 28, 2012
Historical High Stage/Flow Events (Period of Record - February 1940 to Present)
1986*	102,000	48.56	Feb 18, 1986
1995*	93,900	48.01	Feb 19, 1995
1965*	93,400	49.60	Dec 23, 1964
1956	90,100	49.70	Dec 23, 1955
1940	88,400	46.87	Feb 28, 1940
* Discharge affected to unknown degree by regulation or diversion

Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Official 7 Day National Weather Service Forecast (CAZ506)

Rest of Today: Sunny. Highs in the lower 70s to mid 80s. Southwest winds 10 to 20 mph.

Tonight: Mostly clear. Lows in the lower 40s to mid 50s. West winds 10 to 20 mph.

Sunday: Sunny. Highs in the upper 60s to mid 80s. Southwest winds 5 to 15 mph.

Sunday Night: Mostly clear. Lows in the lower 40s to mid 50s. Southwest winds 10 to 20 mph and becoming south 5 to 10 mph after midnight.

Monday: Partly cloudy. Highs in the upper 60s to lower 80s. South winds 5 to 10 mph and becoming southwest 10 to 20 mph in the afternoon.

Monday Night: Partly cloudy. Lows in the 40s to lower 50s.

Tuesday through Wednesday Night: Partly cloudy. Highs in the upper 60s to lower 80s. Lows in the 40s to lower 50s.

Thursday through Friday: Partly cloudy. Highs in the lower 60s to mid 70s. Lows in the 40s to lower 50s.

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, Marabel 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, Marabel Park Resort and Marabel Trailer Park flood. In Guerneville, Fern Road at Hwy 116 floods.
37.0 Feet	In Forestville, Marabel 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, Freezout Road at Moscow Road floods. In Guerenville, 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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