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Latitude: 38.51º N | Longitude: 122.45º W | Elevation: 195 Feet | |
Location: Napa County in California | River Group: Russian Napa |
Issuance Time: | Feb 15 2019 at 2:44 PM PST | Next Issuance: | Feb 16 2019 at 9:00 AM PST |
Monitor Stage: 16.0 Feet | Flood Stage: 18.0 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* | 9,340 | 19.20 | Feb 7, 2017 |
2016* |
4,520 | 13.85 | Mar 6, 2016 |
2015* |
5,540 |
15.63 |
Dec 11, 2014 |
2014* |
2,200 |
8.77 |
Feb 9, 2014 |
2013* | 9,690 |
16.87 |
Dec 23, 2012 |
Historical High Stage/Flow Events (Period of Record - Jun 2000 to Present)* | |||
2006* | 18,300 |
23.61 |
Dec 31, 2005 |
1986 |
16,900*** |
18.52 |
Feb 17, 1986 |
1997 | 13,100 | 17.70 | Jan 1, 1997 |
1956 |
12,600 |
15.17 |
Dec 22, 1955 |
1963 | 12,300 | 15.30 | Jan 31, 1963 |
Location Photographs | ||
ESRI™ Locator Map |
Official 7 Day National Weather Service Forecast (CAZ506) |
Rest of Tonight: Breezy. A slight chance of thunderstorms late in the evening. Showers likely. Some thunderstorms may produce small hail late in the evening. Lows in the upper 30s to mid 40s. West winds 20 to 30 mph. Saturday: Mostly cloudy. Breezy. A chance of showers. Highs in the mid 40s to lower 50s. Northwest winds 20 to 30 mph. Saturday Night: Mostly cloudy. A slight chance of showers. Lows in the 30s to lower 40s. West winds 10 to 20 mph. Sunday: Mostly cloudy in the morning then becoming partly cloudy. A slight chance of showers. Highs in the upper 40s to mid 50s. Northwest winds 5 to 15 mph. Chance of showers 20 percent. Sunday Night: Partly cloudy in the evening then becoming clear. Lows in the upper 20s to lower 40s. North winds 5 to 10 mph. Washingtons Birthday: Sunny. Highs in the 50s. Monday Night and Tuesday: Mostly clear. Lows in the 30s to lower 40s. Highs in the 50s. Tuesday Night: Partly cloudy. Lows in the 30s to mid 40s. Wednesday: Partly cloudy. A slight chance of showers. Highs in the lower to mid 50s. Wednesday Night: Partly cloudy. A chance of showers. Lows in the 30s to lower 40s. Thursday: Partly cloudy. A slight chance of showers. Highs in the upper 40s to mid 50s. Thursday Night: Mostly clear. Lows in the 30s to lower 40s. Friday: Partly cloudy. Highs in the upper 40s to mid 50s. |
Impacts - E19 Information | |
16.0 Feet | Monitor Stage. WFO Monterey/San Francisco Bay Area may issue a Flood Watch to cover Napa Valley region flood potential at this stage. |
18.0 Feet | Flood Stage. Minor flooding of low lying agricultural areas along river begins. Low lying rural residential areas immediately adjacent to the river and some secondary roads affected. |
20.0 Feet | Moderate flooding of the lower portions of Silverado Trail along the reach. Inundation of low lying residential areas along the east river bank in the vicinity of Pope Street Bridge. Secondary and many primary roads inundated. Most major cross roads inundated and unsafe. |
22.0 Feet | Major flooding throughout the upper Napa Valley with most roads inundated, making travel extremely difficult and unsafe. |
24.0 Feet | Disastrous flooding. Widespread flooding across the upper Napa Valley with travel essentially impossible. The peak water level during the flood of 12/31/2005 measured 23.6 feet. |
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. |