CNRFC - Hydrology - River Guidance - Graphical RVF

KLAMATH RIVER - KLAMATH (KLMC1)

Latitude: 41.51º N	Longitude: 123.98º W	Elevation: 6 Feet
Location: Del Norte County in California		River Group: North Coast

Issuance Time:

Apr 14 2021 at 8:30 AM PDT

Next Issuance:

Apr 15 2021 at 9:00 AM PDT

Monitor Stage: 30.0 Feet

Flood Stage: 38.0 Feet

Danger Stage: 59.0 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
2019*	156,000	32.64	Feb 27, 2019
2018*	97,000	25.95	Apr 7, 2018
2017*	265,000	41.64	Feb 10, 2017
2016*	199,000	36.33	Jan 18, 2016
2015*	172,000	33.91	Feb 7, 2015
Historical High Stage/Flow Events (Period of Record - December 1861 to Present)**
1965*	557,000	55.30	Dec 23, 1964
1974*	529,000	41.96	Jan 16, 1974
1986*	459,000	36.76	Feb 18, 1986
1861*	450,000	60.00	Dec -- 1861
1890*	425,000	63.00	Feb --, 1890
1956*	425,000	49.70	Dec 22, 1955
* Discharge affected to unknown degree by regulation or diversion
** Most recent continuous record back to 1932 with segmented periods back to Dec 1861

Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Official 7 Day National Weather Service Forecast (CAZ101)

Today: Sunny. Highs 58 to 68. Southwest wind around 5 mph shifting to the west in the afternoon.

Tonight: Partly cloudy. Lows 36 to 46. Southwest wind around 5 mph shifting to the southeast overnight.

Friday: Sunny. Highs 59 to 70. Light winds becoming west around 5 mph in the afternoon.

Friday Night: Partly cloudy. Lows 38 to 48. Southwest wind around 5 mph.

Saturday: Mostly sunny. Highs 61 to 72. West wind around 5 mph.

Saturday Night: Partly cloudy. Lows 40 to 50.

Sunday: Sunny. Highs 59 to 72.

Sunday Night: Partly cloudy. Lows 41 to 51.

Monday and Monday Night: Mostly cloudy. Highs 59 to 69. Lows 41 to 51.

Tuesday and Tuesday Night: Partly cloudy. Highs 58 to 68. Lows 39 to 49.

Wednesday: Sunny. Highs 59 to 69.

Impacts - E19 Information
34.0 Feet	Flooding of lowest lying areas may occur.
38.0 Feet	Flooding of lowest lying areas is likely.
40.0 Feet	Flooding may occur on the access road to Klamath Glen and adjacent low lying secondary roads near the delta. Flooding will be amplified if coincident with high tides and strong, onshore winds.
42.0 Feet	Flooding of US Highway 101 near Requa Road, the road to Klamath Glen, and adjacent low-lying secondary roads near the delta is likely. Flooding will be amplified with high tides and strong onshore winds.
46.0 Feet	Numerous road closures are expected including US Highway 101 and secondary roads in the area. Significant flooding of many homes and businesses will occur. Loss of power is likely due to inundation of transfer station.
49.0 Feet	Extensive flooding along the river from Blue Creek downstream to the Pacific Ocean. Most roads in the area, including US Highway 101, Requa Road, and the road to Klamath Glen are likely to be flooded and impassable.
63.0 Feet	Severe flooding of the delta area below the levee. Most roads will be flooded and impassable, including US Highway 101 and numerous secondary roads. The forecast level is within 2.5 feet of top of levee protecting Klamath Glen. Any persons living or working in areas protected by the levee should be prepared to take appropriate action and move to higher ground. High tides and strong onshore winds will amplify effects.
64.0 Feet	Severe flooding in the delta area is likely, particularly US Highway 101 in the vicinity of Requa Road, the access road to Klamath Glen, and secondary roads. The forecast level is within 1.5 feet of top of levee. Any persons living or working in areas protected by the levee should be prepared to take appropriate action and move to higher ground. High tides and strong onshore winds will amplify effects.
65.0 Feet	Severe flooding in the delta area is likely, particularly US Highway 101 in the vicinity of Requa Road, the access road to Klamath Glen, and secondary roads. The forecast level is within 0.5 feet of top of levee. Any persons living or working in areas protected by the levee should take appropriate action and move to higher ground. High tides and strong onshore winds will amplify effects.
65.5 Feet	Extensive and severe flooding can be expected from above Klamath Glen to the Pacific Ocean including the towns of Klamath and Klamath Glen and US Highway 101. The forecast level is at the top of the levee. Any persons living or working in areas protected by the levee should take appropriate action and move to higher ground. High tides and strong onshore winds amplify effects.
66.0 Feet	Extensive and severe flooding can be expected from above Klamath Glen to the Pacific Ocean including the towns of Klamath and Klamath Glen and US Highway 101. The forecast level is over the top of the levee. Any persons living or working in areas protected by the levee should take appropriate action and move to higher ground.

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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