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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 27 2023 at 7:42 AM PST | Next Issuance: | Jan 27 2023 at 3:00 PM 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 | |||
2021* |
1,740 |
3.95 |
Feb 2, 2021 |
2020* |
7,050 |
7.63 |
Dec 7, 2019 |
2019* |
67,300 |
26.84 |
Feb 27, 2019 |
2018* |
10,800 |
9.76 |
Mar 22, 2018 |
2017* |
42,500 |
20.32 |
Jan 11, 2017 |
Historical High Stage/Flow Events (Period of Record - Oct 1939 to Present) - Ranked by Flow | |||
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: Sunny. Highs in the 50s to mid 60s. Southwest winds around 5 mph increasing to 10 to 20 mph in the afternoon. Tonight: Mostly clear in the evening then becoming partly cloudy. Breezy. Lows in the 30s to mid 40s. Northwest winds 20 to 30 mph decreasing to 10 to 20 mph after midnight. Saturday: Mostly cloudy in the morning then becoming partly cloudy. Highs in the 50s to lower 60s. Southwest winds 10 to 20 mph. Saturday Night: Mostly clear in the evening then becoming mostly cloudy. Lows in the 30s to mid 40s. Northwest winds 10 to 20 mph. Sunday: Mostly cloudy. Highs in the upper 40s to mid 50s. North winds 10 to 20 mph. Sunday Night: Mostly clear. Breezy. Lows in the 20s to upper 30s. Monday through Tuesday: Mostly clear. Highs in the 40s to upper 50s. Lows in the 20s to upper 30s. Tuesday Night: Mostly clear in the evening then becoming partly cloudy. Areas of frost. Lows in the 20s to upper 30s. Wednesday: Partly cloudy. Highs in the 50s. Wednesday Night: Mostly cloudy. Lows in the 30s to lower 40s. Thursday: Mostly cloudy. A chance of rain. Highs in the lower to mid 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. |