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Latitude: 39.03º N | Longitude: 123.13º W | Elevation: 498 Feet | |
Location: Mendocino County in California | River Group: Russian Napa |
Issuance Time: | Jan 27 2023 at 1:07 PM PST | Next Issuance: | Jan 28 2023 at 9:00 AM PST |
Monitor Stage: N/A | Flood Stage: 15.0 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 | |||
2021* |
948 |
4.36 |
Feb 2, 2021 |
2020* |
2,740 |
8.20 |
Jan 16, 2020 |
2019* |
22,200 |
22.95 |
Feb 27, 2019 |
2018* |
9,160 |
16.26 |
Apr 6, 2018 |
2017* |
16,600 |
22.25 |
Jan 11, 2017 |
Historical High Stage/Flow Events (Period of Record - Oct 1939 to Present) - Ranked by Flow | |||
1956 |
45,000 |
27.00 |
Dec 22, 1955 |
1965* |
41,500 |
26.01 |
Dec 22, 1964
|
1974* |
39,700 |
25.50 |
Jan 16, 1974 |
2006* |
35,600 |
26.81 |
Dec 31, 2005 |
1986* |
32,900 |
22.96 |
Feb 17, 1986 |
* Discharge affected by regulation or diversion |
Location Photographs | ||
ESRI™ Locator Map |
Official 7 Day National Weather Service Forecast (CAZ113) |
Today: Sunny. Areas of valley fog in the morning. Highs 55 to 65. Northwest wind around 20 mph in the afternoon. Tonight: Clear in the evening then becoming partly cloudy. Areas of dense valley fog through the night. Patchy frost overnight. Lows 31 to 41. Saturday: Mostly sunny. Patchy frost in the morning. Highs 47 to 57. Northwest wind around 20 mph in the afternoon. Saturday Night: Partly cloudy. Lows 30 to 40. Northwest wind around 20 mph. Sunday: Mostly sunny. Highs 44 to 54. Sunday Night through Monday Night: Mostly clear. Widespread frost. Lows 24 to 34. Highs 44 to 56. Tuesday: Mostly sunny. Widespread frost. Highs 48 to 58. Tuesday Night and Wednesday: Partly cloudy. Lows 27 to 37. Highs 48 to 59. Wednesday Night: Mostly cloudy. Lows 31 to 41. Thursday: Mostly cloudy. Chance of rain showers. Highs 45 to 55. |
Impacts - E19 Information | |
15.0 Feet | Flooding of Highway 175 is expected at the approaches to the Russian River bridge. Expect minor flooding of crop land on the right bank of the river. |
17.0 Feet | Significant flooding of Highway 175 at the approaches to the Russian River bridge. Minor flooding of Highway 222 near Ukiah, and in crop land along the left and right banks of the Russian River near Hopland. |
18.0 Feet | Flooding of Highway 222 near Ukiah. Secondary roads in low-lying areas will be flooded in the Hopland, Ukiah, and Talmage areas. |
20.0 Feet | Flooding of low-lying structures east of the railroad tracks near Hopland. |
21.0 Feet | Flooding of low-lying structures just west of the railroad tracks near Hopland. |
23.0 Feet | Flooding of farm land, buildings and low-lying homes in the Hopland area. Flooding will begin in the Ukiah and Talmage areas. |
24.0 Feet | Flooding of low-lying structures and farm land in the Hopland, Ukiah, and Talmage areas. Many secondary roads may also be flooded. Severe bank erosion is possible. |
25.0 Feet | Severe bank erosion is likely with widespread flooding of farm land, buildings and low-lying homes in the Hopland, Ukiah, and Talmage areas. Many secondary roads will be flooded. This level of flooding caused 6100 acres to flood in February 1940. |
26.0 Feet | Widespread major flooding will occur. Primary roads and some bridges will flood. |
27.0 Feet | Widespread major flooding. At the forecast level, over 500 homes and farm buildings were damaged on December 22,1955. 6300 acres of land were inundated by flood waters. All persons in the area are urged to move to high ground and take appropriate action to protect life and property. |
28.0 Feet | Disastrous flooding will occur. Many homes and businesses could be damaged. Many primary and secondary roads and some bridges could be washed out. |
30.0 Feet | Disastrous flooding. Many homes and businesses damaged. Numerous primary and secondary roads and some bridges could be washed out. This is equal to the highest known stage, which occurred in December 1937. 6500 acres were inundated by flood waters. |
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 Eureka 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. |