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

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TRINITY RIVER - HOOPA (HOOC1)
Latitude: 41.05º NLongitude: 123.68º WElevation: 333 Feet
Location: Humboldt County in CaliforniaRiver Group: North Coast
Issuance Time: Feb 20 2019 at 2:32 PM PSTNext Issuance: Feb 21 2019 at 9:00 AM PST
Monitor Stage: 44.0 FeetFlood Stage: 48.0 Feet
Observed Data Credit
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Raw streamflow data is provided by the US Geological Survey (USGS).
View USGS Data for this station location.

Verification - Historical Graphical RVF
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Historical Stage/Flow Data
Water Year
Peak Discharge (cfs)
Stage (feet)
Date
 Most Recent 5 Years
2017*
83,600
35.55
Feb 9, 2017
2016*
81,000
35.11
Jan 18, 2016
2015*
58,200
31.59
Feb 7, 2015
2014*
23,400
22.92
Mar 10, 2014
2013*
25,100
23.69
Dec 2, 2012
 Historical High Stage/Flow Events (Period of Record - Oct 1931 to Present)**
1965*
231,000
57.00
Dec 22, 1964
1956
190,000
36.90
Dec 22, 1955
1974*
145,000
45.98
Jan 16, 1974
1983*
122,000
43.16
Jan 27, 1983
1997*
122,000
42.97
Jan 01, 1997
1986*
116,000
42.43
Feb 18, 1986
 * Discharge affected by regulation or diversion
 ** Most recent continuous record back to Oct 1931 with segmented periods back to Oct 1911
Location Photographs
ESRI™ Locator Map
Official 7 Day National Weather Service Forecast   (CAZ105)
Tonight: Mostly cloudy. Rain showers and snow showers likely in the evening, then slight chance of rain showers and snow showers overnight. Snow level 2000 feet falling to 1000 feet overnight. Snow accumulations up to 2 inches. Lows 21 to 31.

Thursday: Mostly sunny. Highs 36 to 51.

Thursday Night: Mostly clear. Patchy freezing fog overnight. Lows 20 to 30.

Friday: Partly cloudy. Patchy freezing fog. Highs 37 to 51.

Friday Night: Mostly cloudy. Chance of rain and snow. Snow level 2000 to 2500 feet. Lows 27 to 37.

Saturday: Rain and snow likely. Snow level 2000 feet rising to 3000 feet in the afternoon. Highs 37 to 50.

Saturday Night through Sunday Night: Rain and snow. Lows 29 to 39. Highs 35 to 50.

Monday: Rain and snow. Highs 37 to 51.

Monday Night: Rain. Lows 29 to 39.

Tuesday: Rain. Highs 39 to 52.

Tuesday Night: Rain likely. Lows 33 to 43.

Wednesday: Mostly cloudy. Chance of rain. Highs 42 to 53.
Impacts - E19 Information
44.0 FeetMinor flooding of the lowest lying areas may occur.
46.0 FeetFlooding of many low-lying areas near the river is likely. Minor flooding may occur over Highway 96 between Willow Creek and Hoopa.
48.0 FeetConsiderable flooding of low-lying areas adjacent to the river including Highway 96 is likely. Significant damage to structures in these areas is possible.
51.0 FeetExtensive flooding of all low-lying areas adjacent to the river including Highway 96 both north and south of Hoopa is likely. Significant damage to structures in these areas is possible.
53.0 FeetExtensive flooding of all low-lying areas adjacent to the river, including Highway 96 north and south of Hoopa. Significant damage to structures in these areas likely.
55.0 FeetExtensive and severe flooding between Willow Creek and Weitchpec and flooding of many homes and businesses in the valley areas. Expect closure of Highway 96 between Willow Creek and Weitchpec.
57.0 FeetSevere flooding of roads, bridges and structures in and around low areas of the river. Many road closures are likely including Highway 96 at several locations between Willow Creek and Weitchpec. Many homes and businesses in valley areas will be inundated.
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.