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

Monitor Stage: 44.0 Feet

Flood Stage: 48.0 Feet

Historical Info	Peak Discharge	Stage	Date
Period of Record	231,000 cfs	57.00 feet	Dec 22, 1964
Dec 1996 - Jan 1997	122,000 cfs	42.97 feet	Jan 01
1995	83,600 cfs	37.06 feet	Jan 10
Feb 1986	116,000 cfs	42.43 feet	Feb 18

Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

Regional Location Map		Gage Station Location Map

Official 7 Day National Weather Service Forecast (CAZ003)

Rest of Tonight: Mostly clear. Valley fog after midnight. Lows 36 to 46.

Tuesday: Mostly sunny. Highs 58 to 68.

Tuesday Night: Mostly clear. Lows in the lower 40s.

Wednesday: Sunny. Highs 57 to 67.

Wednesday Night: Partly cloudy in the evening then becoming mostly cloudy. Lows 38 to 48.

Thanksgiving Day: Mostly cloudy. Chance of rain. Highs 52 to 62.

Thursday Night: Rain likely. Lows 37 to 47.

Friday: Mostly cloudy. Chance of rain. Highs 49 to 59.

Friday Night: Mostly cloudy. Lows 33 to 43.

Saturday: Partly cloudy in the morning then becoming mostly cloudy. Highs 50 to 60.

Saturday Night through Monday: Partly cloudy. Lows 35 to 45. Highs 51 to 61.

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.