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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: | Aug 06 2020 at 7:34 AM PDT | Next Issuance: | Aug 07 2020 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) |
| Today: Partly cloudy in the morning then becoming sunny. Patchy fog in the morning. Highs in the lower 70s to mid 80s. South winds 5 to 10 mph and becoming west 10 to 20 mph in the afternoon. Tonight: Mostly clear. Lows in the 50s. Southwest winds 10 to 20 mph. Friday: Sunny. Highs in the lower 70s to mid 80s. South winds 5 to 15 mph. Friday Night: Clear. Lows in the 50s to lower 60s. Southwest winds 10 to 20 mph and becoming 5 to 10 mph after midnight. Saturday: Sunny. Highs in the mid 70s to upper 80s. Southwest winds 5 to 15 mph. Saturday Night: Mostly clear. Lows in the 50s. Sunday through Tuesday Night: Mostly clear. Highs in the 70s to 80s. Lows in the 50s to lower 60s. Wednesday: Partly cloudy in the morning then becoming sunny. 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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