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Severe Weather

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California, Western Plumas County/Lassen Park

Winter Storm Warning

Statement as of 4:08 AM PST on February 19, 2017

Expires 1:00 AM EST on February 22, 2017


... Winter Storm Warning in effect from 4 PM this afternoon to
10 PM PST Tuesday...

The National Weather Service in Sacramento has issued a Winter
Storm Warning for heavy snow and strong wind which is in effect
from 4 PM this afternoon to 10 PM PST Tuesday. The Winter Storm
Watch is no longer in effect.

* Main impacts: travelers may experience long delays. Chain
controls likely. Poor visibility due to snow and strong winds
will make travel hazardous. Concern for mudslides over steeper
terrain.

* Confidence... high.

* Locations... Interstate 80 over Donner Pass, Highway 50 over
Echo Summit, Highway 88 over Carson Pass, and Lassen park.

* Timing... light snowfall today will be followed by heavier snow
this evening. This heavy snowfall will continue through Tuesday
evening before dropping off to lighter snow Tuesday night.

* Snow amounts... a foot of snow expected down to about 5500 feet
with up to several feet of snow possible highest elevations
between today and Tuesday evening.

* Snow levels... snow levels around 5500 feet today climbing to
around 7000 feet on Monday and Monday evening. Snow levels
dropping on Tuesday down to 5000 feet or lower by Tuesday
evening.

* Other impacts... heavy snow in combination with gusty winds
will create poor visibility and hazardous travel.

A Winter Storm Warning for heavy snow means severe winter weather
conditions are expected or occurring. Significant amounts of
snow are forecast that will make travel dangerous. Only travel in
an emergency. If you must travel, keep an extra flashlight, food,
and water in your vehicle in case of an emergency. Strong winds
are also possible. This will make travel very hazardous or
impossible.


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Areal Flood Warning

Statement as of 9:59 AM PST on February 19, 2017

Expires 2:00 PM EST on February 19, 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...

* interior northern California will experience another significant
uptick in flooding problems starting late tonight and continuing
through Monday night as an intense atmospheric river type storm
arrives.

* Our entire region has saturated soils and many flooded areas
already. This will enhance the impact of additional heavy rains
this week.

* Additional stress will be placed on levees, rivers, creeks, and
streams.

* We may see flooding in locations which haven't been impacted in
many years.

* We are strongly advising all residents in interior northern
California to be prepared for flooding.

Precautionary/preparedness actions...

Be prepared to evacuate if flooding should affect your area. Gather
a "go bag" with important items like medications and hard to replace
documents. Do not Forget to plan for you pets and animals.

Please never drive across flooded waters and roadways, especially
flowing water. Most people who are killed or injured during floods
are attempting to drive through flooded waters. Turn around, don't
drown!

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


851 am PST sun Feb 19 2017

The Flood Warning continues for
the Sacramento River at Ord Ferry.* At 7:45 am Sunday the stage was 116.9 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Forecast to fluctuate near 117.0 ft thru this afternoon then
forecast to recede to near 116.0 ft late tomorrow morning.
* 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





851 am PST sun Feb 19 2017

The National Weather Service in Sacramento has issued a

* Flood Warning for
the Sacramento River near Hamilton City.
* Until late tonight... or until the warning is cancelled.
* At 7:45 am Sunday the stage was 149.1 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Forecast to fall below flood stage of 148.0 ft this afternoon then
forecast to recede to near 145.0 ft late tomorrow morning.
* Flood stage 148.0 ft
* monitor stage 143.0 ft
* impact... near 148.0 feet, overflow begins on the East Bank of the
river, from near Wilson Landing Road to Highway 32.
* Impact... near 138.5 feet, West Sacramento Avenue and River Road
north of big Chico creek flood 1.5 hours after the Hamilton City
gage reaches 138.5-138.8 feet.

&&

Lat... Lon 3982 12213 3981 12194 3968 12186 3967 12208





851 am PST sun Feb 19 2017

The Flood Warning continues for
the Sacramento River at Vina Woodson bridge.* At 7:45 am Sunday the stage was 186.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Forecast to fall below flood stage of 183.0 ft then forecast to
fluctuate near 183.5 ft thru late tomorrow morning.
* Flood stage 183.0 ft
* monitor stage 180.0 ft
* impact... near 185.0 feet, south Avenue starts to flood east of the
river.
* Impact... near 184.0 feet, Woodson Bridge Park is closed due to
flooding.

&&

Lat... Lon 3996 12221 3999 12201 3982 12196 3981 12216





851 am PST sun Feb 19 2017

The Flood Warning continues for
the Sacramento River at Tehama bridge.* At 8:00 am Sunday the stage was 216.3 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Forecast to recede to near 215.0 ft late this evening then forecast
to rise to near 216.0 ft late tomorrow morning with continued rise
expected.
* 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





405 PM PST Sat Feb 18 2017

The National Weather Service in Reno has issued a

* Flood Warning for
the Middle Fork feather river near Portola.
* From Tuesday morning until further notice... or until the warning is
cancelled.
* At 3:30 PM Saturday the stage was 6.2 feet.
* Flood stage is 8.5 feet.
* Moderate flooding is forecast.
* Forecast... rise above flood stage by Tuesday morning and continue
to rise to near 10.3 feet by early Wednesday morning.
* Impact... at 10.0 feet... moderate flooding of lowlands... structures
and roads from Beckwourth to Sloat California... including Portola.
Sleepy pines motel and other low structures along river in Portola
flood. River near foundation of veterans Hall in Portola. CA Hwy
89 near Clio flooded.


Lat... Lon 3988 12071 3983 12038 3981 12039 3972 12058 3985 12072





1112 am PST Sat Feb 18 2017

The National Weather Service in Hanford CA has issued a

* Flood Warning for...
Colusa County in central California...
northwestern Sutter County in central California...
southwestern Tehama County in northern California...
southwestern Butte County in northern California...
Glenn County in central California...

* until 1100 am PST Sunday

* at 1104 am PST, reports from emergency managers, law enforcement
and public indicate widespread flooding impacts even as rain has
subsided. Valley streams will continue to rise as it takes time
for the mountain runoff to reach the valley floor. Many
evacuations have been issued. Pay attention to your local
emergency officials for evacuation notices.

* Some locations that will experience flooding include...
Chico, Red Bluff, Corning, Orland, Willows, Maxwell, Elk Creek,
Glenn, Colusa, Tehama, Pennington, Tisdale, Henleyville, Paskenta,
Butte City, stoneyford, College City, Codora, Afton and Delevan.

Precautionary/preparedness actions...

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


Lat... Lon 4020 12191 3963 12173 3896 12172 3896 12232
      3952 12266 4007 12267


Mv


Hydrologic Statement

Statement as of 8:51 AM PST on February 19, 2017

Expires 1:50 PM EST on February 20, 2017


Forecast information for
Sacramento River at Butte City.
* At 7:30 am Sunday the stage was 91.6 feet.
* No flooding is currently forecast.
* Forecast to rise to near 92.0 ft late this evening then forecast
to fluctuate near 92.0 ft thru late tomorrow morning.
* Flood stage 97.2 ft
* monitor stage 89.0 ft
* impact... near 90.4 feet, overbank flow of the East Bank begins
upstream of the gage. Water flows into Butte basin.

&&

Lat... Lon 3955 12209 3956 12189 3938 12191 3938 12211





Weather Severe Map
Alaska - Blizzard Watch
Arizona - Winter Weather Advisory , Winter Storm Warning , Public Information Statement
American Samoa - Flash Flood Watch
California - Areal Flood Warning , Areal Flood Warning , Flood Warning , Areal Flood Watch , Areal Flood Advisory , High Surf Advisory , Flood Watch , Areal Flood Watch, Areal Flood Advisory , Wind Advisory , Wind Advisory, High Wind Watch , Lake Wind Advisory , High Wind Watch, Wind Advisory , Winter Storm Warning , Winter Weather Advisory , Hydrologic Statement , Public Information Statement
Colorado - Winter Weather Advisory
Florida - Beach Hazard Statement
Hawaii - High Surf Advisory , Wind Advisory
Idaho - Areal Flood Warning , Areal Flood Advisory , Flood Watch, Areal Flood Advisory , Flood Watch , Winter Storm Warning , Winter Weather Advisory
Minnesota - Public Information Statement
Montana - Areal Flood Warning , Areal Flood Watch , Winter Weather Advisory
Nevada - Flood Warning , Areal Flood Advisory , Areal Flood Watch , Areal Flood Watch, Areal Flood Advisory , Lake Wind Advisory , Winter Storm Warning
New Mexico - Winter Weather Advisory , Public Information Statement
North Carolina - Public Information Statement
Oregon - Flood Warning , High Wind Watch, Wind Advisory
Puerto Rico - Coastal Hazard Statement
Utah - Winter Weather Advisory
Washington - Winter Weather Advisory
Wisconsin - Public Information Statement
Wyoming - Areal Flood Advisory , High Wind Watch , Winter Weather Advisory , Special Statement
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