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

 | 

TRINITY RIVER - HOOPA (HOOC1)
Latitude: 41.05º NLongitude: 123.68º WElevation: 333 Feet
Location: Humboldt County in CaliforniaRiver Group: North Coast
Issuance Time: Jan 27 2023 at 1:07 PM PSTNext Issuance: Jan 28 2023 at 9:00 AM PST
Monitor Stage: 44.0 FeetFlood Stage: 48.0 Feet

Observed Data Credit
Gage owner logo

Raw streamflow data is provided by the US Geological Survey (USGS).
View USGS Data for this station location.

Verification - Historical Graphical RVF
Month:  
Day:  
Year:  
Cycle:  
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
2021*
13,300
19.67
Feb 16, 2021
2020*
25,100
23.65
Jan 26, 2020
2019*
88,100
36.31
Feb 27, 2019
2018*
39,800
26.87
Apr 7, 2018
2017*
83,600
35.55
Feb 9, 2017
 Historical High Stage/Flow Events (Period of Record - Oct 1931 to Present)** - Ranked by Flow
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)
Today: Partly cloudy then becoming mostly cloudy late in the morning then becoming mostly sunny. Highs 47 to 61.

Tonight: Mostly clear. Areas of dense valley fog through the night. Areas of frost overnight. Lows 28 to 38.

Saturday: Mostly sunny. Areas of frost in the morning. Highs 40 to 52.

Saturday Night: Mostly cloudy. Chance of rain and snow. Snow level 1500 feet overnight. Lows 27 to 37.

Sunday: Sunny. Highs 37 to 52.

Sunday Night: Clear. Widespread frost. Lows 20 to 30.

Monday: Sunny. Highs 41 to 53.

Monday Night: Mostly clear. Widespread frost. Lows 24 to 34.

Tuesday and Tuesday Night: Partly cloudy. Highs 46 to 58. Lows 26 to 36.

Wednesday and Wednesday Night: Mostly cloudy. Highs 47 to 60. Lows 29 to 39.

Thursday: Mostly cloudy. Chance of rain showers and snow. Highs 44 to 56.
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.