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National Weather Service California Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service
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CLEAR LAKE - LAKEPORT (CLKC1)
Latitude: 39.04º NLongitude: 122.91º WElevation: 1318 Feet
Location: Lake County in CaliforniaRiver Group: Lower Sacramento
Issuance Time: Apr 23 2014 at 7:42 AM PDTNext Issuance: Apr 24 2014 at 9:00 AM PDT
Monitor Stage: 8.0 FeetFlood Stage: 9.0 Feet
Verification - Historical Graphical RVF
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Historical Stage/Flow Data
Water Year
Peak Storage (Ac-ft)
Stage (feet)
Date
 Most Recent 5 Years
2012*
242,826
5.90
Apr 29, 2012
2011*
396,149
9.39
Mar 28, 2011
2010*
337,292
8.07
Apr 14, 2010
2009*
169,209
4.16
Apr 10, 2009
2008*
295,190
7.11
Mar 29, 2008
 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
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Official 7 Day National Weather Service Forecast   (CAZ064)
Tonight: Partly cloudy becoming mostly cloudy. A slight chance of rain at higher elevations. Lows 42 to 50. Prevailing west winds up to 10 mph.

Thursday: Mostly cloudy. A slight chance of rain at higher elevations. Highs 52 to 64 higher elevations and 62 to 70 lower elevations. Prevailing southwest winds up to 10 mph.

Thursday Night: Mostly cloudy with a chance of rain. Lows 38 to 52. Prevailing west winds up to 15 mph.

Friday: Mostly cloudy. Rain showers likely and a slight chance of thunderstorms. Highs 43 to 54 higher elevations and 54 to 60 lower elevations. Prevailing west winds up to 15 mph.

Friday Night: Partly cloudy. A slight chance of rain showers in the evening. Colder. Lows 32 to 40. Prevailing northwest winds up to 15 mph.

Saturday: Partly cloudy. Highs 48 to 63.

Saturday Night: Partly cloudy with a slight chance of rain showers. Lows 39 to 45.

Sunday: Mostly cloudy with a slight chance of rain showers. Warmer. Highs 56 to 68.

Sunday Night: Mostly cloudy. Lows 40 to 48.

Monday and Monday Night: Mostly clear. Warmer. Highs 67 to 79. Lows 40 to 55.

Tuesday and Tuesday Night: Clear. Highs 73 to 84. Lows 45 to 58.

Wednesday: Mostly sunny. Highs 71 to 83.
Impacts - E19 Information
8.5 FeetMinor flooding of some lake side residents occurs. More buildings are threatened from Lakeport to Clearlake Oaks.
9.0 FeetLow lying structures and some main roads around the lake are threatened by the high lake levels.
11.0 FeetMajor flooding occurs all around the north end of the lake, especially in Lakeport and Clearlake Oaks. Highway 120 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.

Observed Data Credit
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Raw streamflow data is provided by the US Geological Survey (USGS).
View USGS Data for this station location.