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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). |
Historical Stage/Flow Data |
|||
Water Year
|
Peak Discharge (cfs)
|
Stage (feet)
|
Date
|
Most Recent 5 Years | |||
2019* |
67,300 |
26.84 |
Feb 27, 2019 |
2018* |
10,800 |
9.76 |
Mar 22, 2018 |
2017* |
42,500 |
20.32 |
Jan 11, 2017 |
2016* |
19,300 |
13.22 |
Jan 18, 2016 |
2015* |
42,800 |
20.28 |
Dec 11, 2014 |
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 |
2019* |
67,300 |
26.84 |
Feb 27, 2019 |
1997* |
65,700 |
24.61 |
Jan 01, 1997 |
* Discharge affected by regulation or diversion |
Location Photographs | ||
ESRI™ Locator Map |
Official 7 Day National Weather Service Forecast (CAZ506) |
Rest of Today: Partly cloudy late in the morning then becoming sunny. Highs in the 60s to 70s. Northwest winds 10 to 20 mph. Tonight: Mostly clear. Lows in the 40s to 50s. Northwest winds 10 to 20 mph. Gusts up to 35 mph increasing to 45 mph after midnight. Sunday: Sunny, breezy. Highs in the 60s to 70s. West winds 20 to 30 mph and becoming southwest 5 to 10 mph in the afternoon. Sunday Night: Mostly clear. Very windy. Lows in the 40s to mid 50s. Northwest winds 20 to 30 mph with gusts to around 45 mph increasing to north 35 to 45 mph after midnight. Martin Luther King Jr Day: Sunny, breezy. Highs in the 60s to 70s. North winds 20 to 30 mph with gusts to around 45 mph. Monday Night: Mostly clear. Breezy. Lows in the 40s to lower 50s. Tuesday through Wednesday Night: Mostly clear. Breezy. Highs in the upper 50s to lower 70s. Lows in the mid 30s to upper 40s. Thursday through Friday: Partly cloudy. Highs in the lower 50s to mid 60s. Lows in the lower 30s to mid 40s. |
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. |