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Latitude: 38.51º N | Longitude: 122.45º W | Elevation: 195 Feet | |||
Location: Napa County in California | Bulletin Group: Russian Napa | River Group: Russian Napa |
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 | |||
2022* | 7,560 | 16.82 | Oct 24, 2021 |
2021* |
178 | 2.26 | Jan 27, 2021 |
2020* |
696 |
4.31 |
Dec 7, 2019 |
2019* |
9,570 |
19.50 |
Feb 27, 2019 |
2018* | 3,970 |
11.31 |
Mar 22, 2018 |
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 |
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. |
Official 7 Day National Weather Service Forecast (CAZ506) |
Today: Partly cloudy in the morning then becoming sunny. Patchy fog in the morning. Highs in the 60s to 70s. Southwest winds 5 to 15 mph. Tonight: Mostly clear in the evening then becoming mostly cloudy. Lows in the mid 40s to lower 50s. Southwest winds 5 to 15 mph. Saturday: Partly cloudy in the morning then becoming sunny. Highs in the mid 60s to lower 80s. West winds 5 to 15 mph. Saturday Night: Partly cloudy in the evening then becoming clear. Lows in the 40s to lower 50s. West winds 10 to 20 mph. Sunday: Sunny. Highs in the upper 60s to lower 80s. West winds 5 to 10 mph. Sunday Night: Mostly clear. Lows in the 40s to upper 50s. Monday and Monday Night: Partly cloudy. Highs in the upper 60s to mid 80s. Lows in the upper 40s to mid 50s. Tuesday through Wednesday Night: Partly cloudy. Highs in the upper 50s to lower 70s. Lows in the mid 40s to lower 50s. Thursday: Mostly cloudy in the morning then becoming partly cloudy. A slight chance of rain. Highs in the 50s to upper 60s. |
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. |