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California, Clear Lake/Southern Lake County

Flood Warning

Statement as of 2:00 PM PST on February 23, 2017

Expires 6:59 PM EST on February 24, 2017


The Flood Warning continues for
the Clear Lake at Lakeport.
* At 1:15 PM Thursday the stage was 10.6 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Forecast to fluctuate near 10.5 ft thru early tomorrow morning then
forecast to recede to near 10.5 ft late Saturday morning then
forecast to fluctuate near 10.5 ft thru near Saturday noon.
* Flood stage 9.0 ft
* monitor stage 8.0 ft
* impact... near 11.0 feet, major flooding occurs all aruond 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.
* Impact... near 9.0 feet, low lying structures and some main roads
around the lake are threatened by the High Lake levels.
* Impact... near 8.5 feet, minor flooding of some lake side residents
occurs. More buildings are threatened from Lakeport to Clearlake
Oaks.


&&

Lat... Lon 3917 12293 3904 12262 3887 12260 3898 12293





Hydrologic Statement, Special Statement

Statement as of 8:24 AM PST on February 24, 2017

Expires 9:30 AM EST on February 25, 2017


Forecast information for
Sacramento River at Tisdale Weir.
* At 7:15 am Friday the stage was 49.4 feet.
* Present overflow depth is about 3.9 ft then overflow to remain near
depth of 3.9 ft thru late tomorrow morning then overflow depth at
Weir increasing to 4.0 ft late tomorrow morning then overflow depth
at Weir decreasing to 3.9 ft late Sunday morning.
* Flood stage 53.0 ft
* monitor stage 45.5 ft
* impact... near 45.5 feet, Tisdale Weir crest elevation. Overflow
begins into the Tisdale bypass. This water eventually ends up in
the Sutter bypass.

&&

Lat... Lon 3916 12193 3906 12173 3891 12162 3893 12193





628 am PST Fri Feb 24 2017

... Two weak but cold weather systems to bring low elevation snow
to northern California...

A couple of relatively weak weather systems are forecast to drop
southward through northern California over the next few days. The
first will move through from north to south late today and
Saturday. The second late Sunday through Monday. Although neither
of these systems are particularly strong, they will contain cold
air producing very low snow levels compared to the warmer storms
of the last several weeks.

Snow levels with the first system could go as low as 1000 feet
over the northern mountains to 2500 feet over the west slopes of
the Sierra. This would bring snow down into the foothills. The
second system will be only slightly warmer with expected snow
levels 1500 feet over the northern mountains to around 3000 feet
Sierra west slopes.

Snowfall amounts with the first system are forecast to range from
2-3 inches over Interstate 5 in Shasta County to only 1 or 2
inches over the Sierra passes.

Snowfall amounts with the second system will be a little more
ranging from 3-4 inches over Interstate 5 in Shasta County to 4-6
inches over the Sierra passes.

Be prepared if traveling over the mountains over the next several
days. Although snow amounts will not be large, slippery or snow
covered roads are likely and chain controls may be needed with
snow levels lower than experienced over the last several weeks.


Weather Severe Map
Alaska - Winter Weather Advisory , Winter Storm Warning , Winter Weather Advisory, Winter Storm Watch , Winter Storm Watch
Arkansas - Lake Wind Advisory , Public Information Statement
California - Areal Flood Warning , Flood Warning , Flood Warning, Areal Flood Warning , Areal Flood Advisory , Areal Flood Watch , Flash Flood Watch , Winter Storm Warning, Winter Weather Advisory , Winter Weather Advisory , Hydrologic Statement , Special Statement , Hydrologic Statement, Special Statement , Air Quality Alert , Special Statement, Hydrologic Statement
Colorado - Winter Weather Advisory
Florida - Coastal Hazard Statement , Beach Hazard Statement
Guam - High Surf Advisory
Idaho - Areal Flood Warning , Flood Warning, Areal Flood Warning , Areal Flood Advisory , Areal Flood Advisory, Flood Watch , Winter Storm Warning , Winter Weather Advisory
Indiana - Special Statement
Iowa - Flood Warning , Flood Watch , Winter Weather Advisory , Blizzard Warning , Winter Storm Warning , Public Information Statement
Kentucky - Special Statement
Louisiana - Lake Wind Advisory
Maine - Areal Flood Watch , Freezing Rain Advisory
Michigan - Winter Weather Advisory , Winter Storm Warning
Minnesota - Flood Warning , Blizzard Warning , Winter Weather Advisory , Public Information Statement
Montana - Areal Flood Watch , Special Statement , Public Information Statement
Nebraska - Winter Storm Warning , Winter Weather Advisory , Blizzard Warning , Public Information Statement
Nevada - Flood Warning , Public Information Statement
New Hampshire - Areal Flood Watch
New Mexico - Wind Advisory , High Wind Warning , Fire Weather Warning , Public Information Statement
New York - Areal Flood Watch , Wind Advisory
North Dakota - Flood Warning
Oklahoma - Public Information Statement
Oregon - Flood Warning , Winter Weather Advisory , Frost Advisory, Winter Storm Warning , Winter Storm Warning, Winter Weather Advisory , Frost Advisory , Special Statement
Puerto Rico - High Surf Advisory, Coastal Hazard Statement , Coastal Hazard Statement
South Dakota - Flood Warning , Blizzard Warning , Winter Storm Warning , Public Information Statement
Tennessee - Wind Advisory , Special Statement , Public Information Statement
Texas - Flood Warning , Lake Wind Advisory , High Wind Warning , Fire Weather Warning , Public Information Statement
Utah - Winter Weather Advisory
Vermont - Areal Flood Watch
Virgin Islands - High Surf Advisory, Coastal Hazard Statement
Washington - Winter Weather Advisory , Special Statement
Wisconsin - Flood Warning , Winter Storm Warning , Winter Weather Advisory , Public Information Statement
Wyoming - Areal Flood Advisory , Winter Storm Warning , Winter Weather Advisory , Public Information Statement

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