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RUSSIAN RIVER - GUERNEVILLE (GUEC1)

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

Issuance Time:

Oct 01, 2023 at 9:05 AM PDT

Monitor Stage: 29.0 Feet

Flood Stage: 32.0 Feet

Please Note:

Ensemble forecasts produced by CNRFC only consider meteorological uncertainty and do not account for hydrologic uncertainty.

Short-Range Peak Exceedance Plot Product Information Plot Type:

CSV Ensemble File Download (Data in feet): GUEC1

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		Official Forecast (Deterministic)
		Ensemble Mean
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	Hourly Probabilities
		0-5% chance
		5-25% chance
		25-40% chance
		40-60% chance

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Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

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, Old 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)

Official 7 Day National Weather Service Forecast (CAZ506)

Rest of Tonight: Mostly clear. Lows in the upper 40s to mid 50s. Southwest winds 5 to 10 mph and becoming northwest after midnight.

Monday: Sunny. Highs in the upper 60s to lower 80s. Southeast winds up to 5 mph and becoming southwest 5 to 15 mph in the afternoon.

Monday Night: Mostly clear. Lows in the upper 40s to mid 50s. West winds 5 to 15 mph.

Tuesday: Sunny. Highs in the 70s to 80s. North winds up to 5 mph and becoming west in the afternoon.

Tuesday Night: Clear. Lows in the mid 50s to lower 60s. West winds 10 to 15 mph and becoming north up to 5 mph after midnight.

Wednesday: Sunny. Highs in the upper 70s to lower 90s.

Wednesday Night through Saturday: Clear. Lows in the mid 50s to lower 60s. Highs in the upper 70s to mid 90s.

Saturday Night: Mostly clear in the evening then becoming partly cloudy. Lows in the 50s.

Sunday: Partly cloudy in the morning then becoming sunny. Highs in the lower 70s to mid 80s.

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