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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 18 2020 at 8:35 AM PST | Next Issuance: | Jan 19 2020 at 9:00 AM 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 | |||
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 |
2014* |
8,090 |
8.35 |
Feb 9, 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 |
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: Mostly cloudy. Lows in the lower 30s to mid 40s. Northeast winds 5 to 10 mph. Sunday: Cloudy. Highs in the 50s to lower 60s. East winds 5 to 15 mph. Sunday Night: Cloudy. Lows in the 30s to upper 40s. Northeast winds 5 to 10 mph. Martin Luther King Jr Day: Mostly cloudy. A slight chance of rain in the afternoon. Highs in the mid 50s to lower 60s. East winds up to 5 mph and becoming southeast in the afternoon. Chance of rain 20 percent. Monday Night: Mostly cloudy. A slight chance of rain in the evening, then a chance of rain after midnight. Lows in the 40s to lower 50s. South winds 5 to 10 mph increasing to 10 to 20 mph after midnight. Chance of rain 50 percent. Tuesday: Rain. Highs in the 50s. Tuesday Night: Mostly cloudy. A slight chance of rain. Lows in the 30s to upper 40s. Wednesday: Mostly cloudy in the morning then becoming partly cloudy. Highs in the mid 50s to lower 60s. Wednesday Night: Mostly clear. A slight chance of rain. Lows in the 30s to upper 40s. Thursday through Friday: Mostly cloudy. A slight chance of rain. Highs in the mid 50s to lower 60s. Lows in the 30s to upper 40s. Friday Night: Partly cloudy. A slight chance of rain. Lows in the 40s. Saturday: Mostly cloudy. A chance of rain. Highs in the mid 50s to lower 60s. |
| 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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