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National Weather Service California Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service
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RUSSIAN RIVER - GUERNEVILLE (GUEC1)
Latitude: 38.50º NLongitude: 123.00º WElevation: 65 Feet
Location: Sonoma County in CaliforniaRiver Group: Russian Napa
Issuance Time: Sep 17 2014 at 7:48 AM PDTNext Issuance: Sep 18 2014 at 9:00 AM PDT
Monitor Stage: 29.0 FeetFlood Stage: 32.0 Feet
Verification - Historical Graphical RVF
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Historical Stage/Flow Data
Water Year
Peak Discharge (cfs)
Stage (feet)
Date
 Most Recent 5 Years
2013*
38,400
32.79
Dec 24, 2012
2012*
26,800
24.99
Mar 28, 2012
2011*
37,300
28.82
Mar 21, 2011
2010*
31,900
29.62
Jan 21, 2010
2009*
22,400
22.99
Feb 24, 2009
 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
ESRI™ Locator Map
Official 7 Day National Weather Service Forecast   (CAZ506)
Today: Mostly cloudy in the morning then becoming partly cloudy. Patchy fog in the morning. Highs in the upper 60s to lower 80s. Southwest winds 10 to 15 mph.

Tonight: Mostly cloudy. A slight chance of showers in the evening. A slight chance of thunderstorms. A chance of showers after midnight. Lows in the 50s to lower 60s. Southwest winds 10 to 20 mph.

Thursday: Cloudy. A chance of showers and a slight chance of thunderstorms. Highs in the mid 60s to lower 80s. Southeast winds 5 to 10 mph and becoming southwest 10 to 20 mph in the afternoon.

Thursday Night: Mostly cloudy. Breezy. Lows in the 50s to lower 60s. West winds 20 to 30 mph decreasing to 10 to 20 mph after midnight.

Friday: Mostly cloudy in the morning then becoming sunny. Breezy. Highs in the 70s to 80s. West winds 20 to 30 mph decreasing to 10 to 20 mph in the afternoon.

Friday Night: Mostly clear in the evening then becoming partly cloudy. Breezy. Lows in the upper 40s to lower 60s.

Saturday through Tuesday: Mostly clear. Highs in the 70s to 80s. Lows in the upper 40s to lower 60s.
Impacts - E19 Information
29.0 FeetMinor flooding is expected along the lower portions of the Russian River.
32.0 FeetMinor flooding is forecast along the lower Russian River. Lower Mill Street in Guerneville and Old Bohemian Highway in Monte Rio are expected to flood.
33.0 FeetModerate flooding is forecast to occur with the lowest sections of Guerneville and Monte Rio expected to flood. The south end of the Guerneville bridge is expected to be inundated. Mirabel Trailer Park and Resort are forecast to begin flooding.
35.0 FeetModerate flooding is forecast along the lower Russian River. Numerous businesses and residences in the lowest sections of towns within the reach are expected to flood. Mill, lower 4th and 5th Street in Guerneville are forecast to flood. Redwood Drive in Northwood is forecast to flood.
37.0 FeetSignificant flooding can be expected throughout the lower portions of the Russian River. Mirable Park will be flooded. Mirabel Road is expected to flood at River Road. Rio Nido village is forecast to begin flooding. River Road east of Guerneville and River Boulevard east of Monte Rio are expected to flood.
38.0 FeetSignificant flooding is expected to occur throughout the lower portions of the Russian River. Freezout Road between Monte Rio and Duncan's Mills will be inundated. Highway 116 is expected to become flooded below the Cazadero Road intersection.
39.0 FeetSignificant flooding is expected to occur along the lower portions of the Russian River. River Road, along with a few houses, will flood at the town of Hacienda. Armstrong Woods Road, 4th Street, and Mill Street are forecast to flood. The village of Northwood Grove and Monte Rio School are expected to becom inundated.
40.0 FeetMajor flooding is expected along the Russian River. Many roads in Guerneville, Monte Rio, Rio Nido, and Hacienda will be flooded.
42.0 FeetMajor flooding is expected to occur throughout the entire reach of the lower Russian River. Many roads, homes, and businesses along the Russian River will become inundated.
44.0 FeetMajor flooding is forecast to occur along the entire reach of the lower Russian River. Many roads along the reach will become inundated making travel very difficult. Some homes and businesses along the Russian River are expected to become flooded.
45.0 FeetDisastrous flooding is forecast to occur along the lower Russian River. Much of downtown Guerneville will become inundated. Many roads will flood making travel nearly impossible throughout the reach.
47.0 FeetDisastrous flooding can be expected along the Russian River. Much of Guerneville will be flooded up to the north side of Main Street. All towns along the reach will experience disastrous inundation to roads, homes, and businesses. Travel through towns along the Russian River will become impossible.
48.0 FeetDisastrous flooding can be expected for all towns along the lower Russian River. Travel in areas near the river will be impossible with many roads inundated. At least 30,000 acres of farm land will be flooded in the lower Russian River basin.
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.

Observed Data Credit
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Raw streamflow data is provided by the US Geological Survey (USGS).
View USGS Data for this station location.