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 22 2023 at 2:24 PM PDT

Next Issuance:

Mar 23 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: Mostly cloudy. Chance of rain showers, snow showers and slight chance of thunderstorms early this evening, then chance of rain and snow late this evening and overnight. Snow level 4000 feet lowering to 3000 feet after midnight. Lows in the mid 20s to mid 30s. West winds 5 to 10 mph. Chance of precipitation 50 percent.

Thursday: Mostly cloudy. Chance of rain and snow in the morning, then rain and snow in the afternoon. Snow may be heavy at times in the afternoon. Snow level 2500 feet rising to 3000 feet in the afternoon. Snow accumulation of 3 to 5 inches. Highs in the mid 30s to mid 40s. Southwest winds 15 to 20 mph. Chance of precipitation 80 percent.

Thursday Night: Mostly cloudy. Snow showers likely in the evening, then chance of snow showers after midnight. Snow accumulation of 2 to 3 inches. Lows in the lower 20s to lower 30s. West winds 10 to 20 mph. Gusts up to 35 mph early in the evening. Chance of snow 60 percent.

Friday: Mostly cloudy. Chance of snow showers in the morning, then snow showers likely in the afternoon. Highs in the lower 30s to lower 40s. West winds 5 to 10 mph increasing to 10 to 20 mph in the afternoon. Chance of snow 60 percent.

Friday Night: Mostly cloudy. Chance of rain and snow showers in the evening, then chance of snow showers after midnight. Snow level 1500 feet in the evening. Lows in the lower to mid 20s. West winds 10 to 20 mph decreasing to 5 to 10 mph well after midnight. Chance of precipitation 60 percent.

Saturday: Mostly cloudy with a chance of snow showers. Highs in the lower 30s to lower 40s.

Saturday Night: Mostly cloudy with a slight chance of snow showers in the evening, then partly cloudy after midnight. Lows 15 to 25.

Sunday: Partly cloudy with a slight chance of snow showers in the morning, then mostly cloudy with a chance of rain and snow showers in the afternoon. Highs in the mid 30s to mid 40s.

Sunday Night: Mostly cloudy. Chance of rain and snow showers. Lows in the mid 20s to lower 30s.

Monday: Snow likely in the morning, then rain and snow in the afternoon. Highs in the mid 30s to mid 40s.

Monday Night and Tuesday: Rain and snow likely. Lows in the mid 20s to lower 30s. Highs in the mid 30s to mid 40s.

Tuesday Night and Wednesday: Mostly cloudy with a chance of rain and snow showers. Lows in the mid 20s to lower 30s. Highs in the mid 30s to mid 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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