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: May 25 2018 at 7:05 AM PDTNext Issuance: May 26 2018 at 9:00 AM PDT
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
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
2012*
41,600
27.94
Mar 30, 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)
Today: Patchy valley fog in the morning. Rain showers likely in the morning. Slight chance of thunderstorms through the day. Rain showers in the afternoon. Highs 53 to 68.

Tonight: Mostly cloudy. Rain showers likely in the evening, then chance of rain showers overnight. Patchy valley fog overnight. Lows 39 to 49.

Saturday: Mostly cloudy in the morning then becoming mostly sunny. Patchy valley fog in the morning. Highs 62 to 77.

Saturday Night: Partly cloudy. Lows 41 to 51.

Sunday: Sunny. Highs 65 to 80.

Sunday Night and Memorial Day: Mostly clear. Lows 46 to 56. Highs 66 to 81.

Monday Night through Thursday: Partly cloudy. Lows 43 to 53. Highs 66 to 81.
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.