CNRFC - Hydrology - River Guidance - Graphical RVF

KLAMATH RIVER - SEIAD VALLEY (SEIC1)

Latitude: 41.85º N	Longitude: 123.23º W	Elevation: 1320 Feet
Location: Siskiyou County in California		River Group: North Coast

Issuance Time:

Mar 20 2023 at 1:54 PM PDT

Next Issuance:

Mar 21 2023 at 9:00 AM PDT

Monitor Stage: 13.0 Feet

Flood Stage: 15.0 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
2021*	4,860	5.61	Jan 13, 2021
2020*	7,270	7.08	Apr 24, 2020
2019*	18,200	11.60	Apr 9, 2019
2018*	12,500	9.52	Apr 7, 2018
2017*	43,000	17.95	Feb 10, 2017
Historical High Stage/Flow Events (Period of Record - Jul 1951 to Present)** - Ranked by Flow
1965*	165,000	33.75	Dec 23, 1964
1974*	126,000	29.65	Jan 16, 1974
1956*	122,000	29.20	Dec 22, 1955
1997*	117,000	28.72	Jan 1, 1997
2006*	74,000	23.17	Dec 31, 2005

* Discharge affected by regulation or diversion
** Most recent continuous record back to Jul 1951 with segmented periods back to Oct 1912

Location Photographs
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Official 7 Day National Weather Service Forecast (CAZ080)

Tonight: Partly cloudy. Lows in the mid 20s to lower 30s. South winds around 5 mph shifting to the east late this evening and overnight.

Tuesday: Partly cloudy in the morning, then mostly cloudy with a 30 percent chance of rain and snow showers in the afternoon. Snow level 3500 feet in the afternoon. Highs in the lower 40s to lower 50s. Northeast winds 10 to 15 mph.

Tuesday Night: Mostly cloudy with a 40 percent chance of rain and snow showers. Snow level 4000 feet lowering to 3500 feet after midnight. Lows in the mid 20s to lower 30s. Northeast winds 10 to 15 mph shifting to the southeast around 5 mph well after midnight.

Wednesday: Mostly cloudy. Chance of rain and snow showers in the morning, then rain and snow showers likely in the afternoon. Snow level 3000 feet rising to 4000 feet in the afternoon. Highs in the lower 40s to lower 50s. Southwest winds 5 to 10 mph. Chance of precipitation 70 percent.

Wednesday Night: Mostly cloudy with a 30 percent chance of rain and snow showers. Snow level 4000 feet in the evening. Lows in the lower to mid 30s. West winds 5 to 10 mph.

Thursday: Mostly cloudy. Chance of rain and snow in the morning, then rain and snow in the afternoon. Highs in the mid 30s to mid 40s.

Thursday Night: Mostly cloudy. Rain and snow in the evening, then chance of snow after midnight. Colder. Lows in the lower 20s to lower 30s.

Friday: Mostly cloudy. Chance of snow in the morning, then rain and snow likely in the afternoon. Highs in the lower 30s to lower 40s.

Friday Night and Saturday: Mostly cloudy with a chance of snow. Lows in the lower to mid 20s. Highs in the lower 30s to lower 40s.

Saturday Night: Mostly cloudy with a chance of rain and snow in the evening, then partly cloudy with a slight chance of snow after midnight. Lows in the lower to mid 20s.

Sunday: Mostly cloudy. Slight chance of snow in the morning, then chance of rain and snow in the afternoon. Highs in the lower 30s to lower 40s.

Sunday Night: Mostly cloudy. Chance of rain and snow in the evening, then chance of snow after midnight. Lows in the mid 20s to lower 30s.

Monday: Mostly cloudy. Chance of snow in the morning, then chance of rain and snow in the afternoon. Highs in the lower 30s to lower 40s.

Impacts - E19 Information
15.0 Feet	The Klamath River begins to flow out of its banks in some areas. Some low-lying structures may be flooded.
20.0 Feet	Highway 96 inundated in low-lying spots along the Klamath River in Siskiyou County. Flooding is also likely at the confluence with the Scott River and the confluence of Indian Creek.
28.0 Feet	Considerable flooding along the Klamath River in Siskiyou County. Sections of Highway 96 are flooded.
33.8 Feet	Major flooding is occuring along the entire reach of the Klamath River in Siskiyou County. Much of Highway 96 is impassable.

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 Medford 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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