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4 products issued by NWS for: South Lake Tahoe CA
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Winter Storm Warning

URGENT - WINTER WEATHER MESSAGE
National Weather Service Reno NV
746 AM PST Tue Feb 21 2017

CAZ072-NVZ002-220400-
/O.CON.KREV.WS.W.0009.000000T0000Z-170222T1200Z/
Greater Lake Tahoe Area-
Including the cities of South Lake Tahoe, Truckee, Stateline,
and Incline Village
746 AM PST Tue Feb 21 2017

...WINTER STORM WARNING REMAINS 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.

&&

$$



Flood Warning

Flood Statement
National Weather Service Sacramento CA
912 AM PST TUE FEB 21 2017

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-
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



Flood Warning

FLOOD STATEMENT
NATIONAL WEATHER SERVICE SACRAMENTO CA
825 AM PST TUE FEB 21 2017

...The Flood Warning continues for the following rivers in
California...

  Cosumnes River At Michigan Bar
  San Joaquin River Near Vernalis
  Tuolumne River At Modesto

.Elevated flows continue with minor fluctuations into Wednesday.

Forecasts are based on present and forecasted meteorological and
hydrologic conditions at time of issuance.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Unlisted forecast points are expected to remain below monitor stage.
All those affected by river conditions should remain alert for rapid
changes and for possible forecast revisions.

For more hydrologic information and stage definitions refer to the
following web site:  http://www.wrh.noaa.gov/sto/hydro_data.php


The next statement will be issued Tuesday, February 21 at 4 PM PST.

&&

CAC005-017-067-221400-
/O.EXT.KSTO.FL.W.0042.000000T0000Z-170222T1400Z/
/MHBC1.1.ER.170221T0715Z.170221T0845Z.170222T0000Z.NO/
825 AM PST TUE FEB 21 2017

The Flood Warning continues for
  The Cosumnes River At Michigan Bar.
* At  7:30 AM Tuesday the stage was 11.6 feet.
* Forecast to fluctuate near 12.0 FT thru this afternoon then
  forecast to fall below flood stage of 12.0 FT near Friday noon then
  forecast to recede to near 9.0 FT late tomorrow morning.
* Flood stage 12.0 ft
* Monitor stage 7.0 ft
* Impact...Near 12.0 feet, Water flows on to the road near Wilton.
* Impact...Near 8.0 feet, Low lying lands along the river begin to
  flood.

 &&

LAT...LON 3848 12133 3859 12103 3842 12092 3836 12124


$$



Avalanche Warning

CAZ072-NVZ002-221515-

URGENT - IMMEDIATE BROADCAST REQUESTED
AVALANCHE WARNING
FOREST SERVICE SIERRA AVALANCHE CENTER
RELAYED BY NATIONAL WEATHER SERVICE RENO NV
636 AM PST TUE FEB 21 2017

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

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

* TIMING...IN EFFECT THROUGH 7 AM WEDNESDAY 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 AND STORM SLAB 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.

$$




U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: May 16, 2007
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