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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: | Oct 22 2018 at 7:45 AM PDT | Next Issuance: | Oct 23 2018 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 | |||
2017* |
42,500 |
20.32 |
Jan 11, 2017 |
2016* |
19,300 |
13.22 |
Jan 18, 2016 |
2015* |
42,800 |
20.28 |
Dec 11, 2014 |
2014* |
8,090 |
8.35 |
Feb 9, 2014 |
2013* |
28,600 |
16.53 |
Dec 23, 2012 |
| 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 |
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: Partly cloudy late in the evening then becoming mostly cloudy. Lows in the 40s to lower 50s. Southwest winds 10 to 20 mph. Tuesday: Mostly cloudy in the morning then becoming partly cloudy. Highs in the lower 60s to mid 70s. West winds 10 to 20 mph. Tuesday Night: Partly cloudy. Lows in the lower 40s to mid 50s. West winds 10 to 20 mph. Wednesday: Partly cloudy. Highs in the mid 60s to upper 70s. West winds 10 to 20 mph. Wednesday Night: Partly cloudy. Lows in the 40s to mid 50s. West winds 10 to 20 mph. Thursday: Sunny. Highs in the upper 60s to lower 80s. Thursday Night and Friday: Mostly clear. Lows in the mid 40s to upper 50s. Highs in the upper 60s to mid 80s. Friday Night through Monday: Partly cloudy. Lows in the mid 40s to upper 50s. Highs in the upper 60s to lower 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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