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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: | Apr 26 2021 at 8:12 AM PDT | Next Issuance: | Apr 27 2021 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 | |||
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) |
| Tonight: Partly cloudy in the evening then becoming mostly clear. Lows in the lower 30s to mid 40s. Northwest winds 10 to 20 mph and becoming 5 to 10 mph after midnight. Tuesday: Sunny. Highs in the mid 60s to upper 70s. Northwest winds 5 to 10 mph increasing to 10 to 20 mph in the afternoon. Tuesday Night: Mostly clear. Lows in the 40s to lower 50s. West winds 10 to 20 mph and becoming northwest 5 to 10 mph after midnight. Wednesday: Sunny. Highs in the upper 60s to mid 80s. North winds up to 5 mph increasing to southwest 10 to 20 mph in the afternoon. Wednesday Night: Mostly clear. Lows in the lower 40s to mid 50s. West winds 5 to 15 mph. Thursday: Partly cloudy. Highs in the upper 60s to mid 80s. Thursday Night: Partly cloudy. Lows in the 40s to lower 50s. Friday and Friday Night: Mostly cloudy. Highs in the upper 60s to lower 80s. Lows in the mid 40s to lower 50s. Saturday: Mostly cloudy in the morning then becoming sunny. Highs in the upper 60s to lower 80s. Saturday Night: Clear. Lows in the 40s to lower 50s. Sunday: Sunny. Highs in the mid 60s to lower 80s. Sunday Night and Monday: Clear. Lows in the 40s to lower 50s. 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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