CNRFC - Hydrology - River Guidance - Graphical RVF

Location:

KLAMATH RIVER - ORLEANS (ONSC1)

Latitude: 41.30º N	Longitude: 123.54º W	Elevation: 354 Feet
Location: Humboldt County in California		Bulletin Group: North Coast		River Group: Klamath

Issuance Time:

Sep 20 2023 at 7:42 AM PDT

Next Issuance:

Sep 21 2023 at 9:00 AM PDT

Monitor Stage: 32.0 Feet

Flood Stage: 38.0 Feet

Plot Type:

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
2022*	21,100	11.67	Jan 7, 2022
2021*	45,300	17.33	Jan 13, 2021
2020*	42,900	16.64	Jan 26, 2020
2019*	69,500	21.40	Apr 8, 2019
2018*	42,200	16.49	Apr 7, 2018
Historical High Stage/Flow Events (Period of Record - Oct 1927 to Present) - Ranked by Flow
1965*	307,000	76.50	Dec 22, 1964
1974*	279,000	37.24	Jan 16, 1974
1986*	278,000	37.16	Feb 18, 1986
1997*	258,000	37.79	Jan 01, 1997
2006*	213,000	34.80	Dec 30, 2005
* Discharge affected by regulation or diversion

Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Impacts - E19 Information
34.0 Feet	Possible flooding of Highway 96 north of the bridge at Orleans, and other low-lying adjacent areas.
35.0 Feet	Flooding is likely in lower areas south of Highway 96 near Orleans and of the highway itself north of the bridge at Orleans. Flooding is possible on Highway 96 near Ishi Pishi Bar.
37.0 Feet	Flooding in low-lying areas south of Highway 96 near Orleans and of the highway itself north of the bridge at Orleans. There may also be flooding of Highway 96 at Ishi Pishi Bar.
38.0 Feet	Extensive flooding of low-lying areas south of Highway 96 near Orleans and of the highway itself north of the bridge at Orleans. Flooding is likely near Ishi Pishi Bar and Slate Creek. Water may enter the fire house and other buildings on the southwest side of Orleans.
40.0 Feet	Extensive flooding of areas south of Highway 96 near Orleans, of Highway 96 north of the bridge and Orleans, at Ishi Pishi Bar, and near Slate Creek. Flooding of the fire house and other buildings on the southwest side of Orleans is expected. Flooding of Highway 96 in Orleans possible.
43.0 Feet	Flood waters are likely to cover Highway 96 in numerous locations and will threaten residences and businesses in and around Orleans including Sandy Bar cabins, Riverside Trailer Park, and the downtown area. All persons in the vicinity of the river should take appropriate action and move to higher ground if necessary.

Official 7 Day National Weather Service Forecast (CAZ105)

Today: Sunny, haze. Highs 71 to 86.

Tonight: Partly cloudy. Patchy smoke in the evening. Haze through the night. Lows 44 to 54.

Friday: Mostly sunny. Haze through the day. Highs 71 to 86.

Friday Night: Partly cloudy. Haze and patchy smoke. Lows 43 to 53.

Saturday: Partly cloudy. Highs 65 to 80.

Saturday Night: Mostly cloudy. Slight chance of rain. Lows 47 to 57.

Sunday and Sunday Night: Mostly cloudy. Chance of rain. Highs 63 to 78. Lows 48 to 58.

Monday: Rain showers likely. Highs 59 to 74.

Monday Night: Rain showers and slight chance of thunderstorms. Lows 45 to 55.

Tuesday: Mostly cloudy. Chance of rain showers. Highs 60 to 75.

Tuesday Night: Mostly cloudy. Chance of rain. Lows 42 to 52.

Wednesday: Mostly cloudy in the morning then becoming partly cloudy. Slight chance of rain. Highs 63 to 78.

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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