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:

Nov 13 2019 at 1:42 PM PST

Next Issuance:

Nov 14 2019 at 9:00 AM PST

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
2018*	207,100	5.06	Apr 24, 2018
2017*	452,400	10.63	Feb 22, 2017
2016*	330,200	7.91	Mar 24, 2016
2015*	186,000	4.56	Feb 22, 2015
2014*	99,400	2.47	Apr 14, 2009
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

Official 7 Day National Weather Service Forecast (CAZ064)

Tonight: Mostly cloudy. Cooler. Lows 40 to 55. Prevailing southeast winds up to 10 mph in the evening becoming light.

Thursday: Mostly cloudy. Highs 60 to 70. Light winds becoming east up to 10 mph in the afternoon.

Thursday Night: Partly cloudy in the evening then becoming mostly cloudy. Colder. Lows 37 to 52. Prevailing south winds up to 10 mph shifting to the west after midnight.

Friday: Mostly cloudy in the morning then becoming mostly sunny. Highs 59 to 71. Prevailing northwest winds up to 10 mph shifting to the northeast in the afternoon.

Friday Night: Mostly clear. Lows 40 to 55. Prevailing southeast winds up to 10 mph shifting to the north after midnight.

Saturday: Sunny, warmer. Highs 67 to 79.

Saturday Night: Mostly clear. Lows 42 to 57.

Sunday through Monday Night: Mostly clear. Highs 66 to 80. Lows 41 to 56.

Tuesday through Wednesday: Mostly clear. Highs 57 to 72. Lows 38 to 53.

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 Sacramento 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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