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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: | May 20 2022 at 7:05 AM PDT | Next Issuance: | May 21 2022 at 9:00 AM PDT |
| 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) |
| Today: Sunny. Highs in the lower 70s to mid 80s. North winds 10 to 20 mph. Gusts up to 35 mph in the morning. Tonight: Mostly clear. Lows in the mid 40s to upper 50s. Northwest winds 10 to 20 mph. Saturday: Sunny. Highs in the 70s to 80s. Northwest winds 10 to 20 mph. Saturday Night: Mostly clear. Lows in the mid 40s to upper 50s. West winds 10 to 20 mph. Sunday: Sunny, breezy. Highs in the 70s to 80s. West winds 10 to 20 mph increasing to 20 to 30 mph in the afternoon. Sunday Night: Mostly clear. Breezy. Lows in the 40s to upper 50s. Monday: Sunny. Highs in the mid 70s to lower 90s. Monday Night: Mostly clear. Lows in the 50s to lower 60s. Tuesday: Sunny. Highs in the upper 70s to mid 90s. Tuesday Night and Wednesday: Mostly clear. Lows in the lower 50s to mid 60s. Highs in the upper 70s to lower 90s. Wednesday Night: Mostly clear in the evening then becoming partly cloudy. Lows in the 40s to upper 50s. Thursday: Partly cloudy. Highs in the upper 60s to mid 80s. |
| 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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