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:

Mar 25 2019 at 1:48 PM PDT

Next Issuance:

Mar 26 2019 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
2017*	64,500	37.82	Jan 11, 2017
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
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	Jan 9, 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)

Tonight: Cloudy. A chance of showers in the evening, then a slight chance of showers after midnight. Lows in the 40s. West winds 10 to 20 mph and becoming northwest 5 to 10 mph after midnight.

Tuesday: Mostly cloudy. A slight chance of showers in the afternoon. Highs in the 50s to mid 60s. North winds up to 5 mph increasing to south 10 to 15 mph in the afternoon.

Tuesday Night: A chance of rain in the evening, then rain after midnight. Lows in the mid 40s to lower 50s. South winds 10 to 20 mph.

Wednesday: Breezy. Showers and a slight chance of thunderstorms. Highs in the mid 50s to lower 60s. Southwest winds 20 to 30 mph decreasing to 10 to 20 mph in the afternoon.

Wednesday Night: Showers likely. Lows in the mid 40s to lower 50s. Southwest winds 10 to 20 mph. Chance of showers 70 percent.

Thursday: Showers likely. Highs in the mid 50s to lower 60s.

Thursday Night: Partly cloudy. A slight chance of showers. Lows in the 40s.

Friday through Saturday Night: Partly cloudy. Highs in the upper 50s to lower 70s. Lows in the 40s.

Sunday: Mostly cloudy. A slight chance of rain. Highs in the 60s to lower 70s.

Sunday Night: Mostly cloudy. A chance of rain. Lows in the mid 40s to lower 50s.

Monday: Mostly cloudy. A slight chance of rain. Highs in the 60s to lower 70s.

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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