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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: | Sep 19 2018 at 6:37 AM PDT | Next Issuance: | Sep 20 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: Clear. Lows in the 40s to 50s. Northwest winds 10 to 20 mph. Thursday: Sunny. Highs in the upper 70s to mid 90s. West winds 10 to 20 mph. Thursday Night: Clear. Lows in the 40s to 50s. West winds 10 to 20 mph and becoming northwest 5 to 10 mph after midnight. Friday: Sunny. Highs in the mid 70s to upper 80s. Southwest winds 10 to 20 mph. Friday Night: Clear in the evening then becoming partly cloudy. Lows in the 40s to 50s. Southwest winds 10 to 20 mph. Saturday: Partly cloudy in the morning then becoming sunny. Highs in the 70s to 80s. Saturday Night and Sunday: Partly cloudy. Lows in the mid 40s to upper 50s. Highs in the 70s to 80s. Sunday Night: Clear. Lows in the lower 40s to mid 50s. Monday through Wednesday: Mostly clear. Highs in the mid 70s to lower 90s. Lows in the lower 40s to mid 50s. |
| 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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