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California, Mountains Southwestern Shasta County to Northern Lake County

Flood Warning, Areal Flood Warning

Statement as of 2:42 PM PST on February 21, 2017

Expires 7:00 PM EST on February 23, 2017


The Flood Warning continues for
the Clear Lake at Lakeport.
* At 2:15 PM Tuesday the stage was 10.4 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Forecast to rise to near 11.0 ft tomorrow evening then forecast to
fluctuate near 11.0 ft thru Thursday afternoon.
* 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





234 PM PST Tue Feb 21 2017

The Flood Warning continues for
the Sacramento River at Tehama bridge.
* At 2:00 PM Tuesday the stage was 213.1 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Forecast to fluctuate near 212.5 ft thru near this midnight then
expected to rise above flood stage of 213.0 ft early tomorrow
morning then forecast to rise to near 213.5 ft tomorrow morning
then forecast to fluctuate near 213.5 ft thru tomorrow afternoon.
* Flood stage 213.0 ft
* monitor stage 210.0 ft
* impact... near 214.0 feet, between two hundred thirteen and two
hundred fourteen feet the County park becomes inaccessible. At two
hundred forteen feet water begins to enter Driftwood RV fishing
resort on East Bank of river and just north of the County park.
* Impact... near 213.0 feet, flood stage - Road inside trailer park and
turn around site under rr tracks (tehama/Vina road) become
impassible. Water is into area around structures on east side of
river. No structural damage. Sheriff's office issues advisory.
Makes sure pelhams Bay, Snug Harbor, river inn (small trailer Parks
all in a row on east side of River North of bridge) know of
advisory.
* Impact... near 210.0 feet, water into RV park on east side of river.
Tires of trailers get wet.


&&

Lat... Lon 4009 12228 4010 12205 3996 12199 3994 12221





234 PM PST Tue Feb 21 2017

The Flood Warning continues for
the Sacramento River at Ord Ferry.
* At 1:45 PM Tuesday the stage was 114.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Forecast to fluctuate near 114.0 ft thru tomorrow afternoon.
* Flood stage 114.0 ft
* monitor stage 110.0 ft
* impact... near 114.0 feet, designated flood stage. Design overflow
level for m&t, 3bs and Goose Lake flood control facilities to
divert flood flows into Butte basin. M&t overflows close River Road
from Ord Ferry Road to Chico Road. Ord Ferry Road is already
closed.
* Impact... near 110.5 feet, head cuts in 3bs Silt Weir start overflow
into Butte basin, flooding dips on Ord Ferry Road west of River
Road. Persistent flows at or above this level increase flooding in
Butte basin. Ord Ferry Road and additional roads in Glenn and
Colusa counties are closed due to flooding.

&&

Lat... Lon 3971 12211 3971 12189 3955 12185 3953 12206





912 am PST Tue Feb 21 2017

... A Flood Warning for urban areas and small streams remains in
effect until 400 PM PST Thursday for Colusa... Yolo... Sutter...
Solano... Plumas... alpine... Placer... Shasta... Lassen... Amador...
Tuolumne... Sacramento... lake... Stanislaus... San Joaquin... El
Dorado... Calaveras... Tehama... Butte... Glenn... Sierra... Yuba and
Nevada counties...

Officials have reported that Clear Creek out of Whiskeytown dam in
Shasta County will exceed the safe channel capacity and will flood.
Downstream locations impacted includes the environmental school and
other residents in low lying areas near the creek.

Precautionary/preparedness actions...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

A Flood Warning means that flooding is imminent or occurring. All
interested parties should take necessary precautions immediately.


Lat... Lon 3725 12146 3810 12157 3808 12230 3832 12206
      3884 12229 3867 12262 3907 12309 3950 12306
      3955 12288 4033 12307 4058 12269 4117 12246
      4118 12250 4118 12133 4059 12132 3835 11963
      3776 11988 3780 12018 3713 12122


Mk


Hydrologic Statement

Statement as of 2:34 PM PST on February 21, 2017

Expires 7:33 PM EST on February 22, 2017


Forecast information for
Sacramento River at Tisdale Weir.
* At 2:15 PM Tuesday the stage was 49.9 feet.
* Present overflow depth is about 4.4 ft then overflow depth at Weir
decreasing to 3.7 ft late tomorrow morning then overflow to remain
near depth of 3.7 ft thru Thursday afternoon.
* 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


Hec


Weather Severe Map
Alaska - Wind Advisory , Winter Weather Advisory , Blizzard Warning , Winter Storm Watch
Arkansas - Dense Fog Advisory
American Samoa - Flash Flood Watch
California - Flood Warning, Areal Flood Warning , Areal Flood Warning , Flood Warning , Areal Flood Advisory , Areal Flood Watch , High Surf Advisory , Areal Flood Watch, Areal Flood Advisory , Flash Flood Watch , Wind Advisory , Winter Storm Warning , Winter Weather Advisory , Hydrologic Statement , Hydrologic Statement, Avalanche Warning
Colorado - Winter Storm Watch , Winter Weather Advisory , Fire Weather Warning , Public Information Statement
Florida - Flood Warning , Coastal Hazard Statement
Hawaii - Areal Flood Advisory
Idaho - Areal Flood Warning , Flood Warning , Flood Warning, Areal Flood Warning , Areal Flood Watch , Areal Flood Advisory , Areal Flood Watch , Areal Flood Advisory, Flood Watch , Winter Weather Advisory
Illinois - Special Statement , Hydrologic Statement
Indiana - Dense Fog Advisory
Iowa - Flood Warning , Winter Storm Watch
Kentucky - Special Statement
Massachusetts - Freezing Rain Advisory , Special Statement
Michigan - Dense Fog Advisory , Special Statement
Minnesota - Flood Warning , Winter Storm Watch , Dense Fog Advisory
Missouri - Dense Fog Advisory , Special Statement
Montana - Areal Flood Warning , Areal Flood Watch , Wind Advisory , High Wind Warning , Winter Weather Advisory , Special Statement , Public Information Statement
Nebraska - Winter Storm Watch , Record Report , Public Information Statement
Nevada - Areal Flood Warning , Areal Flood Warning , Flood Warning, Areal Flood Warning , Wind Advisory , Winter Storm Warning , Winter Weather Advisory , Avalanche Warning
New Hampshire - Special Statement
New Mexico - High Wind Watch , Fire Weather Warning , Fire Weather Watch , Fire Weather Warning, Fire Weather Watch , Public Information Statement
New York - Freezing Rain Advisory , Special Statement
North Dakota - Flood Warning , Dense Fog Advisory , Special Statement
Oklahoma - Fire Weather Watch
Oregon - Areal Flood Warning , Flood Warning , Winter Weather Advisory
Puerto Rico - Coastal Hazard Statement
South Dakota - Flood Warning, Areal Flood Warning , Winter Storm Watch , Public Information Statement
Texas - Flood Warning , High Wind Watch , Fire Weather Watch , Public Information Statement
Utah - Areal Flood Advisory , High Wind Warning , Wind Advisory , Winter Weather Advisory
Vermont - Freezing Rain Advisory , Special Statement
Washington - Areal Flood Warning , Areal Flood Advisory , Areal Flood Watch , Areal Flood Watch , Winter Weather Advisory
Wisconsin - Flood Warning , Areal Flood Warning , Flood Warning, Areal Flood Warning , Winter Storm Watch , Dense Fog Advisory , Hydrologic Statement , Flood Warning, Hydrologic Statement
Wyoming - Areal Flood Warning , High Wind Warning , Winter Storm Watch , Winter Storm Warning , Winter Storm Watch, Winter Storm Warning , Special Statement

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