CNRFC - Hydrology - River Guidance - Graphical RVF

CLEAR LAKE - LAKEPORT (CLKC1)

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

Issuance Time:

Oct 25 2021 at 2:15 PM PDT

Next Issuance:

Oct 26 2021 at 9:00 AM PDT

Monitor Stage: 8.0 Feet

Flood Stage: 9.0 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 Storage (Ac-ft)	Stage (feet)	Date
Most Recent 5 Years
2020*	191,900	4.70	Apr 16, 2020
2019*	421,900	9.96	Mar 2, 2019
2018*	207,100	5.06	Apr 24, 2018
2017*	452,400	10.63	Feb 22, 2017
2016*	330,200	7.91	Mar 24, 2016
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
Upstream Photo	Gage House Photo	Downstream Photo

ESRI™ Locator Map

Official 7 Day National Weather Service Forecast (CAZ115)

Tonight: Partly cloudy until late tonight then becoming mostly cloudy. Lows 39 to 49.

Tuesday: Mostly cloudy. Chance of rain showers in the morning, then rain showers likely in the afternoon. Highs 50 to 60.

Tuesday Night: Mostly cloudy. Chance of rain showers in the evening, then slight chance of rain showers overnight. Lows 43 to 53.

Wednesday: Partly cloudy. Highs 61 to 72.

Wednesday Night and Thursday: Mostly clear. Lows 45 to 55. Highs 61 to 76.

Thursday Night: Mostly clear. Lows 46 to 56.

Friday and Friday Night: Partly cloudy. Highs 64 to 75. Lows 46 to 56.

Saturday through Sunday Night: Mostly cloudy. Highs 58 to 69. Lows 45 to 55.

Monday: Mostly cloudy. Slight chance of rain showers. Highs 57 to 68.

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.

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.