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 24 2017 at 1:37 PM PSTNext Issuance: Feb 25 2017 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
2015*
58,200
31.59
Feb 7, 2015
2014*
23,400
22.92
Mar 10, 2014
2013*
25,100
23.69
Dec 2, 2012
2012*
41,600
27.94
Mar 30, 2012
2011*
30,700
25.24
Dec 29, 2010
 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: Numerous rain showers and snow showers. Snow level 1500 to 2000 feet. Snow accumulations up to 2 inches. Lows 25 to 35.

Saturday: Mostly cloudy. Scattered rain showers and snow showers in the morning, then isolated rain showers and snow showers in the afternoon. Snow level 1000 feet rising to 2000 feet in the afternoon. Highs 39 to 49.

Saturday Night: Mostly cloudy in the evening then becoming partly cloudy. Isolated snow showers in the evening. Snow level 2500 to 3000 feet. Lows 24 to 34.

Sunday: Rain showers and snow showers. Snow level 2000 feet. Highs 33 to 43.

Sunday Night: Cloudy. Chance of rain showers and snow showers. Snow level 2000 feet. Lows 26 to 36.

Monday: Mostly cloudy. Chance of rain showers and snow showers. Snow level 2000 feet. Highs 35 to 45.

Monday Night: Mostly cloudy. Chance of rain showers and snow showers. Lows 24 to 34.

Tuesday: Mostly cloudy. Highs 40 to 50.

Tuesday Night: Partly cloudy. Lows 27 to 37.

Wednesday and Wednesday Night: Mostly clear. Highs 42 to 52. Lows 28 to 38.

Thursday through Friday: Partly cloudy. Highs 45 to 55. Lows 30 to 40.
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.