CNRFC - Hydrology - Observed River/Reservoir Conditions

RUSSIAN RIVER - HEALDSBURG (HEAC1)

Latitude: 38.61º N	Longitude: 122.84º W	Elevation: 77 Feet
Location: Sonoma County in California		River Group: Russian Napa

Monitor Stage: 20.0 Feet

Flood Stage: 23.0 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
2015*	42,800	20.28	Dec 11, 2014
2014*	8,090	8.35	Feb 9, 2014
2013*	28,600	16.53	Dec 23, 2012
2012*	23,200	13.55	Mar 28, 2012
2011*	25,800	14.40	Mar 24, 2011
Historical High Stage/Flow Events (Period of Record - Oct 1939 to Present)
1995*	73,000	26.23	Jan 9, 1995
1965*	71,300	27.00	Dec 23, 1964
1986*	71,100	25.81	Feb 17, 1986
1997*	65,700	24.61	Jan 01, 1997
* Discharge affected 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: Clear in the evening then becoming partly cloudy. Lows in the upper 40s to lower 60s. South winds 10 to 20 mph.

Wednesday: Partly cloudy in the morning then becoming sunny. Patchy fog in the morning. Highs in the 70s to 80s. South winds 10 to 20 mph.

Wednesday Night: Clear in the evening then becoming partly cloudy. Lows in the upper 40s to lower 60s. Southwest winds 10 to 20 mph.

Thursday: Partly cloudy in the morning then becoming sunny. Patchy fog in the morning. Highs in the mid 70s to upper 80s. Southwest winds 10 to 20 mph.

Thursday Night: Mostly clear in the evening then becoming partly cloudy. Patchy fog after midnight. Lows in the upper 40s to lower 60s. Southwest winds 10 to 20 mph.

Friday: Partly cloudy in the morning then becoming sunny. Highs in the upper 70s to lower 90s.

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

Impacts - E19 Information
23.0 Feet	Minor flooding of banks in rural areas and farm land along the reach of the gage.
25.0 Feet	Minor flooding continues. Low-lying areas south of US 101 begin to flood.
27.0 Feet	Moderate flooding begins along the reach. Some secondary roads south of US 101 begin to flood.
29.0 Feet	Major flooding begins along the reach. Homes, businesses, and secondary roads in the lowest sections of Healdsburg begin to flood. Lower portions of the Alexander Valley begin to flood.
30.0 Feet	Major flooding continues. Extensive flooding begins in the agricultural sections of the Alexander Valley.

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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