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| Latitude: 40.18º N | Longitude: 123.78º W | Elevation: 263 Feet | |
| Location: Humboldt County in California | River Group: North Coast | ||
| Issuance Time: | Oct 01 2022 at 7:34 AM PDT | Next Issuance: | Oct 02 2022 at 9:00 AM PDT |
| Monitor Stage: 27.0 Feet | Flood Stage: 33.0 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 |
10,000 |
14.14 |
Jan 13, 2021 |
2020 |
11,700 |
14.93 |
Jan 26, 2020 |
2019 |
60,600 |
29.99 |
Feb 27, 2019 |
2018 |
25,000 |
19.78 |
Apr 7, 2018 |
2017 |
74,400 |
32.47 |
Jan 10, 2017 |
| Historical High Stage/Flow Events (Period of Record - Oct 1939 to Present) - Ranked by Flow | |||
1965 |
199,000 |
46.00 |
Dec 22, 1964 |
1956 |
173,000 |
42.70 |
Dec 22, 1955
|
1986 |
123,000 |
38.29 |
Feb 17, 1986 |
| 1982 |
123,000 |
34.79 |
Dec 19, 1981
|
| Location Photographs | ||
| ESRI™ Locator Map |
| Official 7 Day National Weather Service Forecast (CAZ106) |
| Tonight: Mostly clear. Patchy valley fog overnight. Lows 50 to 60. Sunday: Sunny. Patchy valley fog in the morning. Highs 72 to 87. Sunday Night: Mostly clear. Patchy valley fog overnight. Lows 49 to 59. Monday: Sunny. Patchy valley fog. Highs 71 to 86. Monday Night: Partly cloudy. Lows 49 to 59. Tuesday: Sunny. Patchy valley fog. Highs 72 to 87. Tuesday Night and Wednesday: Mostly clear. Lows 49 to 59. Highs 74 to 89. Wednesday Night through Thursday Night: Partly cloudy. Lows 51 to 61. Highs 76 to 91. Friday through Saturday: Mostly clear. Highs 75 to 90. Lows 51 to 61. |
| Impacts - E19 Information | |
| 27.0 Feet | Flooding of portions of Avenue of the Giants (Highway 254) is possible near Sylvandale. |
| 30.0 Feet | Flooding of portions of the Avenue of the Giants may occur, especially in the vicinity of Sylvandale and the Myers Flat and Redwood Giants trailer parks. |
| 33.0 Feet | Flooding of portions of the Avenue of the Giants is likely in the vicinity of Sylvandale and the Myers Flat and Redwood Giants trailer parks. Flooding is also possible near Weott. |
| 35.0 Feet | Considerable flooding of portions of the Avenue of the Giants in the vicinity of Sylvandale, Myers Flat, and Weott is likely. Expect closure of Avenue of the Giants (Highway 254) in numerous locations. |
| 38.0 Feet | Considerable flooding of portions of the Avenue of Giants (Highway 254) in the vicinity of Sylvandale, Myers Flat, and Weott with numerous road closures expected. Minor flooding will begin along Phillipsville Road and adjacent low-lying areas. |
| 42.0 Feet | Extensive and severe flooding of many portions of the Avenue of the Giants, especially areas in the vicinity of Sylvandale, Myers Flat, Weott, and Phillipsville. Expect numerous road closures in these areas. |
| 45.0 Feet | Severe flooding of many communities and roads along the river can be expected. Numerous road closures are likely, possibly including US Highway 101 and Highway 254 (Avenue of the Giants). All persons in the vicnity of the river should take appropriate actions to protect life and property. |
| 47.0 Feet | Extensive and severe flooding of all areas along the river. Severe damage to roads, bridges, and structures can be expected. US Highway 101 and Highway 254 (Avenue of the Giants) will likely be closed. All persons in the vicnity of the river should take appropriate actions to protect life and property. |
| 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. |
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