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Latitude: 38.61º N | Longitude: 122.84º W | Elevation: 77 Feet | |
Location: Sonoma County in California | River Group: Russian Napa |
Issuance Time: | Jan 26 2021 at 2:05 PM PST | Next Issuance: | Jan 27 2021 at 9:00 AM PST |
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 Tonight: Rain. Lows in the 30s to upper 40s. South winds 10 to 20 mph. Wednesday: Rain likely. Highs in the 50s. South winds 5 to 15 mph. Wednesday Night: Rain likely in the evening, then rain after midnight. Lows in the 40s to lower 50s. Southeast winds 10 to 20 mph. Thursday: Showers likely and a slight chance of thunderstorms. Some thunderstorms may produce heavy rainfall. Highs in the 50s. South winds 5 to 15 mph. Chance of precipitation 70 percent. Thursday Night: Mostly cloudy. A chance of rain. Patchy fog after midnight. Lows in the 30s to mid 40s. Southeast winds up to 5 mph and becoming northeast after midnight. Chance of rain 50 percent. Friday: Mostly cloudy in the morning then becoming partly cloudy. A slight chance of rain. Highs in the 50s. Friday Night through Sunday: Mostly cloudy. A chance of rain. Lows in the mid 30s to upper 40s. Highs in the 50s to lower 60s. Sunday Night and Monday: Rain likely. Lows in the 40s to lower 50s. Highs in the 50s. Monday Night and Tuesday: Mostly cloudy. A chance of rain. Lows in the 30s to upper 40s. Highs in the 50s. |
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. |