CNRFC - Hydrology - River Guidance - Graphical RVF

TRINITY RIVER - HOOPA (HOOC1)

Latitude: 41.05º N	Longitude: 123.68º W	Elevation: 333 Feet
Location: Humboldt County in California		River Group: North Coast

Issuance Time:

Nov 13 2019 at 1:32 PM PST

Next Issuance:

Nov 14 2019 at 9:00 AM PST

Monitor Stage: 44.0 Feet

Flood Stage: 48.0 Feet

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

Historical Stage/Flow Data
Water Year	Peak Discharge (cfs)	Stage (feet)	Date
Most Recent 5 Years
2018*	39,800	26.87	Apr 7, 2018
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
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
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Official 7 Day National Weather Service Forecast (CAZ105)

Today: Mostly cloudy. Highs 62 to 76.

Tonight: Mostly cloudy. Lows 43 to 53.

Thursday: Mostly cloudy in the morning then becoming partly cloudy. Highs 57 to 72.

Thursday Night: Mostly cloudy. Slight chance of rain showers. Lows 42 to 52.

Friday: Mostly cloudy. Chance of rain showers. Highs 55 to 70.

Friday Night: Partly cloudy. Lows 40 to 50.

Saturday: Sunny. Highs 61 to 76.

Saturday Night through Monday: Partly cloudy. Lows 43 to 53. Highs 63 to 78.

Monday Night: Partly cloudy. Slight chance of rain showers. Lows 38 to 48.

Tuesday: Partly cloudy. Highs 52 to 67.

Impacts - E19 Information
44.0 Feet	Minor flooding of the lowest lying areas may occur.
46.0 Feet	Flooding of many low-lying areas near the river is likely. Minor flooding may occur over Highway 96 between Willow Creek and Hoopa.
48.0 Feet	Considerable 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 Feet	Extensive 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 Feet	Extensive 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 Feet	Extensive 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 Feet	Severe 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.

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