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:

Apr 20 2018 at 7:28 AM PDT

Next Issuance:

Apr 21 2018 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
2016*	330,200	7.91	Mar 24, 2016
2015*	186,000	4.56	Feb 22, 2015
2014*	99,400	2.47	Apr 14, 2009
2013*	257,000	6.23	Apr 6, 2013
2012*	242,800	5.90	Apr 29, 2012
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: Clear. Lows 42 to 56. Prevailing northwest winds up to 15 mph.

Saturday: Sunny. Highs 68 to 78 higher elevations and 75 to 83 lower elevations. Prevailing northwest winds up to 10 mph.

Saturday Night: Clear. Lows 47 to 59. Prevailing northwest winds up to 10 mph.

Sunday: Mostly sunny. Highs 70 to 82. Light winds becoming southwest up to 10 mph in the afternoon.

Sunday Night: Clear. Lows 48 to 58. Prevailing southwest winds up to 10 mph shifting to the northeast after midnight.

Monday: Mostly sunny. Highs 71 to 83.

Monday Night: Mostly clear. Lows 48 to 58.

Tuesday through Wednesday Night: Mostly clear. Highs 70 to 83. Lows 45 to 58.

Thursday and Thursday Night: Mostly clear. Highs 64 to 78. Lows 43 to 55.

Friday: Partly cloudy with a slight chance of rain showers. Highs 58 to 72.

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.

NWS RSS Feed

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