Back to Obs River Map | <<< Previous River Point | | | Next River Point >>> | Printer Version |
Latitude: 38.51º N | Longitude: 122.45º W | Elevation: 195 Feet | |||
Location: Napa County in California | Bulletin Group: Russian Napa | River Group: Russian Napa |
Action/Monitor: 16.0 Feet | Minor Flood: 18.0 Feet | Moderate Flood: 20.0 Feet | Major Flood: 22.0 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 | |||
2024* |
5,290 |
14.07 |
Feb 4, 2024 |
2023* | 7,150 |
16.71 |
Jan 9, 2023 |
2022* | 7,560 | 16.82 | Oct 24, 2021 |
2021* |
178 | 2.26 | Jan 27, 2021 |
2020* |
696 |
4.31 |
Dec 7, 2019 |
Historical High Stage/Flow Events (Period of Record - Jun 2000 to Present)* - Ranked by Flow | |||
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 |
Flood Impacts | |
24.0 Feet | Disastrous Flooding. Widespread flooding across upper Napa Valley with travel essentially impossible. The peak water level during the flood of 12/31/2005 measured 23.6 feet. |
22.0 Feet | Major Flood Stage. Major flooding throughout the upper Napa Valley with most roads inundated, making travel extremely difficult and unsafe. |
20.0 Feet | Moderate Flood Stage. 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 to pass. |
18.0 Feet | Minor 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. |
16.0 Feet | Monitor Stage. WFO Monterey may issue a Flood Watch-based products to cover Napa Valley regional flood potential at this stage. |
Official 7 Day National Weather Service Forecast (CAZ506) |
rest of Tonight: Partly cloudy. Patchy fog after midnight. Lows in the 40s to lower 50s. West winds 10 to 15 mph. Tuesday: Sunny. Highs in the 60s to lower 70s. Northwest winds 5 to 10 mph and becoming west 10 to 20 mph in the afternoon. Tuesday Night: Mostly clear. Lows in the 40s to lower 50s. West winds 10 to 20 mph. Wednesday: Sunny. Highs in the mid 60s to upper 70s. West winds 5 to 15 mph. Wednesday Night: Mostly clear. Lows in the mid 40s to lower 50s. West winds 5 to 15 mph. Thursday: Sunny in the morning then becoming partly cloudy. Highs in the mid 60s to lower 80s. Thursday Night: Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 40s to mid 50s. Friday through Saturday: Partly cloudy. Highs in the mid 60s to lower 80s. Lows in the upper 40s to mid 50s. Saturday Night and Sunday: Mostly clear. Lows in the 40s to mid 50s. Highs in the upper 60s to lower 80s. Sunday Night and Monday: Clear. Lows in the upper 40s to mid 50s. Highs in the lower 70s to mid 80s. |
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. |