National Weather Service California Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service

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SOUTH FORK EEL RIVER - MIRANDA (MRNC1)
Latitude: 40.18º NLongitude: 123.78º WElevation: 263 Feet
Location: Humboldt County in CaliforniaBulletin Group: North CoastRiver Group: North Coast
Issuance Time: Feb 08 2025 at 8:26 AM PSTNext Issuance: Feb 09 2025 at 9:00 AM PST
Action/Monitor: 27.0 FeetMinor Flood: 33.0 FeetModerate Flood: 38.0 FeetMajor Flood: 42.0 Feet

Please Note:
1) Each individual timeseries plotted on the graphical river forecast can be toggled on and off by clicking the legend entry above. If the "Observed (Raw Data)" contains bad data and is toggled off, the plot will scale to the remaining timeseries.

2) At extremely low river flows, the "Observed (Raw Data)" may show readings below the lower end of the available rating table, while the "Observed (Simulated)" will only show values at the bottom of the rating table, creating a potential discrepancy between the two readings.
Observed Data Credit
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Raw streamflow data is provided by the US Geological Survey (USGS).
View US Geological Survey (USGS) Data for this station location.

Verification - Historical Graphical RVF
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To view other verification locations, use our Historical Graphical River Forecast Interface.
Historical Stage/Flow Data
Water Year
Peak Discharge (cfs)
Stage (feet)
Date
 Most Recent 5 Years
2023
51,700
28.16
Dec 30, 2022
2022
19,900
18.07
Oct 24, 2021
2021
10,000
14.14
Jan 13, 2021
2020
11,700
14.93
Jan 26, 2020
2019
60,600
29.99
Feb 27, 2019
 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
Flood Impacts
47.0 FeetExtensive 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 vicinity of the river should take appropriate actions to protect life and property.
45.0 FeetSevere 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 vicinity of the river should take appropriate actions to protect life and property.
42.0 FeetExtensive 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.
38.0 FeetConsiderable flooding of portions of the Avenue of the 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.
35.0 FeetConsiderable flooding of portions of 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.
33.0 FeetFlooding of portions of the Avenue of the Giants is likely in the vicinity of Sylvandale, and the Myers Flat and Redwood Giants Trailer Park. Flooding is also possible near Weott.
30.0 FeetFlooding of portions of the Avenue of the Giants may occur, especially in the vicinity of Sylvandale and the Myers Flat and Redwood Giants Trailer Park.
27.0 FeetFlooding of portions of the Avenue of the Giants (Highway 254) is possible near Sylvandale.
Official 7 Day National Weather Service Forecast   (CAZ106)
Tonight: Mostly clear. Lows 21 to 31.

Sunday: Sunny. Highs 43 to 55.

Sunday Night: Mostly clear. Lows 21 to 31.

Monday: Partly cloudy. Highs 44 to 54.

Monday Night: Partly cloudy. Lows 22 to 32.

Tuesday: Mostly sunny. Slight chance of rain and snow. Snow level 1500 feet in the afternoon. Highs 40 to 51.

Tuesday Night: Mostly cloudy. Chance of rain and snow. Lows 26 to 36.

Wednesday: Mostly cloudy. Rain and snow. Highs 40 to 52.

Wednesday Night through Thursday Night: Rain and snow. Lows 32 to 42. Highs 38 to 52.

Friday and Friday Night: Mostly cloudy. Chance of rain and snow. Highs 40 to 53. Lows 31 to 41.

Saturday: Mostly cloudy. Chance of rain. Highs 44 to 56.
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.