Placer County, California
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The National Weather Service's Watches, Warnings and Advisories by state counties include: Thunderstorm, Tornado, Flood, Flash Flood, Winter Storm, High Wind, Gale, Small Aircraft, High Surf, Marine, Heat, Air Quality, Ashfall, Hazardous, and Special Statements.
Weather Alerts: Placer County, California
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Avalanche Warning
CAZ072-NVZ002-211500-

URGENT - IMMEDIATE BROADCAST REQUESTED
AVALANCHE WARNING
FOREST SERVICE SIERRA AVALANCHE CENTER
RELAYED BY NATIONAL WEATHER SERVICE RENO NV
718 AM PST MON FEB 20 2017

THE FOLLOWING MESSAGE IS TRANSMITTED AT THE REQUEST OF THE FOREST
SERVICE SIERRA AVALANCHE CENTER.

...AN AVALANCHE WARNING IS IN EFFECT THROUGH TUESDAY MORNING...

THE FOREST SERVICE SIERRA AVALANCHE CENTER HAS ISSUED A
BACKCOUNTRY AVALANCHE WARNING.

* TIMING...IN EFFECT FROM 7 AM MONDAY MORNING THROUGH 7 AM TUESDAY
MORNING.

* AFFECTED AREA...FOR THE SIERRA NEVADA MOUNTAINS OF CALIFORNIA
AND NEVADA, FROM YUBA PASS TO EBBETTS PASS, INCLUDING THE LAKE
TAHOE BASIN.

* AVALANCHE DANGER...HIGH AVALANCHE DANGER WILL EXIST AT ALL
ELEVATIONS.

* REASON/IMPACTS...A STRONG ATMOSPHERIC RIVER STORM IS IMPACTING
THE AREA. WIND SLAB, STORM SLAB, AND LOOSE WET AVALANCHE
PROBLEMS WILL BE VERY LIKELY AT ALL ELEVATIONS. NATURAL AND
HUMAN TRIGGERED AVALANCHES ARE EXPECTED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AVALANCHES MAY RUN LONG DISTANCES, INTO FLAT AREAS, AND CAN RUN
INTO MATURE FORESTS.

TRAVEL IN AVALANCHE TERRAIN IS NOT RECOMMENDED.

CONSULT WWW.SIERRAAVALANCHECENTER.ORG OR WWW.AVALANCHE.ORG FOR
MORE DETAILED INFORMATION.

SIMILAR AVALANCHE DANGER MAY EXIST AT LOCATIONS OUTSIDE THE
COVERAGE AREA OF THIS OR ANY AVALANCHE CENTER.

$$

Flood Warning
CAC003-005-007-009-011-017-021-033-035-057-061-063-067-077-089-091-
095-099-101-103-109-113-115-240000-
/O.CON.KSTO.FA.W.0011.000000T0000Z-170224T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Colusa CA-Yolo CA-Sutter CA-Solano CA-Plumas CA-Alpine CA-Placer CA-
Shasta CA-Lassen CA-Amador CA-Tuolumne CA-Sacramento CA-Lake CA-
Stanislaus CA-San Joaquin CA-El Dorado CA-Calaveras CA-Tehama CA-
Butte CA-Glenn CA-Sierra CA-Yuba CA-Nevada CA-
112 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...

Interior Northern California has experienced significant rainfall
and widespread flooding problems from prolonged rainfall. The entire
region has saturated soils resulting in widespread areas of standing
water, high stream flows and many flooded areas.

Continued runoff and high stream flows will stress levees leading to
bank erosion, boils and breaches.

Flooding has occurred in locations that have not experienced
flooding in many years.

Residents in interior Northern California should be prepared for
flooding. Be prepared to evacuate if flooding should affect your
area. Gather a "go bag" with important items like medications and
hard to replace documents. Don't forget to plan for your pets and
animals.

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

$$

Hydrologic Statement
CAC061-101-115-221339-
/O.ROU.KSTO.HY.S.0000.000000T0000Z-000000T0000Z/
/BRWC1.N.UU.000000T0000Z.000000T0000Z.000000T0000Z.OO/
340 AM PST TUE FEB 21 2017

Forecast information for
Bear River Above Wheatland.
* At 2:45 AM Tuesday the stage was 16.9 feet.
* Forecast to rise to near 18.0 FT this morning then forecast to
fluctuate near 18.0 FT thru this morning then forecast to fall
below monitor stage of 16.0 FT this evening then forecast to recede
to near 13.0 FT early tomorrow morning.
* Flood stage 24.0 ft
* Monitor stage 16.0 ft
* Impact...Near 13.6 feet, Orchards within the levee downstream near
Pleasant Grove Road begin to flood.

&&

LAT...LON 3899 12158 3903 12142 3897 12133 3882 12161


$$

Winter Storm Warning
CAZ068-069-220000-
/O.CON.KSTO.WS.W.0010.000000T0000Z-170222T0600Z/
Western Plumas County/Lassen Park-
West Slope Northern Sierra Nevada-
Including the cities of Chester, Quincy, and Blue Canyon
330 AM PST Tue Feb 21 2017

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS
EVENING...

* Main impacts: Travelers may experience delays. Chain controls.
Poor visibility due to snow and strong southwest wind gusts to
50 mph will make travel hazardous.

* Confidence...High.

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

* Timing...Periods of heavy snow through midday before tapering
off to flurries by this evening.

* Snow amounts...Additional accumulations up to a foot down to
around 5500 feet with up to 2 feet along the crest.

* Snow levels...4000 to 5000 feet.

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.

&&

Interact with us via social media
www.facebook.com/nws.sacramento
www.twitter.com/nwssacramento

$$
Winter Storm Warning
CAZ072-NVZ002-220100-
/O.EXT.KREV.WS.W.0009.000000T0000Z-170222T1200Z/
Greater Lake Tahoe Area-
Including the cities of South Lake Tahoe, Truckee, Stateline,
and Incline Village
448 AM PST Tue Feb 21 2017

...WINTER STORM WARNING NOW IN EFFECT UNTIL 4 AM PST WEDNESDAY...

The Winter Storm Warning is now in effect until 4 AM PST
Wednesday.

* Timing: Bands of snow will continue through tonight with the
heaviest snow expected today. Snow may rapidly vary in intensity
over short distances.

* Additional Snow Accumulations: Above 7000 feet...8 to 14 inches.
Below 7000 feet...5 to 10 inches. Locally up to 18 inches
possible in areas where heavy snow bands persist.

* Winds: Southwest winds 20 to 30 mph with gusts to 50 mph. Sierra
ridge gusts over 100 mph, with peak gusts to 135 mph this
morning.

* Wave Heights on Lake Tahoe: 2 to 4 feet with highest waves
expected from mid lake to the north and east shores.

* Impacts: Bands of heavy snow could produce rapid drops in
visibility with snowfall rates up to 2 inches per hour at times,
producing dangerous whiteout conditions especially over the
passes and in the backcountry.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid travel through tonight, you could be stuck in your vehicle
for many hours. If you must travel, prepare for long delays and
carry an emergency kit with extra food, water and clothing. If you
stay home, have a backup plan in case of power outages.

&&

$$

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