CNRFC - Hydrology - River Guidance - Graphical RVF

Location:

CLEAR LAKE - LAKEPORT (CLKC1)

Latitude: 39.04º N	Longitude: 122.91º W	Elevation: 1318 Feet
Location: Lake County in California		Bulletin Group: Lower Sacramento		River Group: Cache Putah

Issuance Time:

Dec 04 2023 at 1:39 PM PST

Next Issuance:

Dec 05 2023 at 9:00 AM PST

Monitor Stage: 8.0 Feet

Flood Stage: 9.0 Feet

Plot Type:

Please Note: Each individual timeseries plotted on the graphical river forecast can be toggled on and off by clicking the legend entry above. If the "Observed (Raw Data)" contains bad data and is toggled off, the plot will scale to the remaining timeseries.

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 Storage (Ac-ft)	Stage (feet)	Date
Most Recent 5 Years
2022*	7,360	0.55	Feb 13, 2022
2021*	49,100	1.23	Mar 24, 2016
2020*	191,900	4.70	Apr 16, 2020
2019*	421,900	9.96	Mar 2, 2019
2018*	207,100	5.06	Apr 24, 2018
Historical High Stage/Flow Events (Period of Record - Oct 1984 to Present)**
1998	--	11.44	Feb 24, 1998
1986	480,900	11.34	Feb 2, 1986
1983	485,400	11.34	Jan 3, 1983
1914	471,800	11.09	Jan 28, 1914

* Data for the most recent 5 years utilizes mean daily values rather than instantaneous values
** Most recent continuous record back to Oct 1984 with segmented periods back to 1874

Location Photographs
Left of Gage Photo	Gage House Photo	Right of Gage Photo

ESRI™ Locator Map

Impacts - E19 Information
8.5 Feet	Minor flooding of some lake side residents occurs. More buildings are threatened from Lakeport to Clearlake Oaks.
9.0 Feet	Low lying structures and some main roads around the lake are threatened by the high lake levels.
11.0 Feet	Major flooding occurs all around the north end of the lake, especially in Lakeport and Clearlake Oaks. Highway 20 around the north end of the lake is closed in some areas.

Official 7 Day National Weather Service Forecast (CAZ115)

Tonight: Partly cloudy until late tonight then becoming mostly cloudy. Patchy valley fog. Lows 42 to 52.

Tuesday: Partly cloudy. Patchy valley fog in the morning. Highs 60 to 70.

Tuesday Night: Mostly cloudy. Slight chance of rain through the night. Lows 40 to 50.

Wednesday: Rain. Highs 49 to 59.

Wednesday Night and Thursday: Rain likely. Lows 36 to 46. Highs 44 to 59.

Thursday Night: Partly cloudy. Areas of frost. Slight chance of rain. Lows 29 to 39.

Friday: Sunny. Patchy frost. Highs 47 to 58.

Friday Night: Partly cloudy. Lows 30 to 40.

Saturday and Saturday Night: Mostly cloudy. Slight chance of rain. Highs 49 to 59. Lows 33 to 43.

Sunday: Mostly cloudy. Slight chance of rain. Highs 54 to 64.

Sunday Night: Mostly cloudy. Lows 36 to 46.

Monday: Mostly cloudy in the morning then becoming partly cloudy. Highs 53 to 64.

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.

NWS RSS Feed

Verification - Historical Graphical RVF
Month:	Day:	Year:	Cycle:
To view other verification locations, use our Historical Graphical River Forecast Interface.