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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...
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.
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
$$Winter Storm Warning
Western Plumas County/Lassen Park-
West Slope Northern Sierra Nevada-
Including the cities of Chester, Quincy, and Blue Canyon
906 PM PST Tue Feb 21 2017
...WINTER STORM WARNING NOW IN EFFECT UNTIL 6 AM PST WEDNESDAY...
* Main impacts: Travelers may experience delays. Chain controls.
Poor visibility due to snow and icy roads.
* Locations...Interstate 80 over Donner pass, Highway 50 over
Echo summit, Highway 88 over Carson pass, and Lassen park.
* Timing...Periods of snow through tonight before tapering off to
flurries by daybreak.
* Snow amounts...Additional accumulations up to 3 inches down to
around 5000 feet.
* Snow levels...4000 to 5000 feet.
A Winter Storm Warning for heavy snow means severe winter weather
conditions are expected or occurring. Significant amounts of
snow are forecast that will make travel dangerous. Only travel in
an emergency. If you must travel, keep an extra flashlight, food,
and water in your vehicle in case of an emergency. Strong winds
are also possible. This will make travel very hazardous or
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$$Winter Weather Advisory
Lassen-Eastern Plumas-Eastern Sierra Counties-
Including the cities of Portola and Susanville
309 PM PST Tue Feb 21 2017
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST
* Timing: Bands of snow will continue through Wednesday morning
with the heaviest snow expected south of Susanville. Snow may
rapidly vary in intensity over short distances.
* Additional Snow Accumulations: Above 5000 feet...3 to 8 inches
with locally up to 1 foot possible in areas where heavy snow
bands persist. Below 5000 feet...1 to 4 inches.
* Winds: Southwest to west winds 10 to 20 mph with gusts to 35
* Snow Levels: Falling to near valley floors by this evening.
* Impacts: Bands of heavy snow could produce rapid drops in
visibility with snowfall rates up to 2 inches per hour at
times, Expect hazardous travel conditions especially above
5000 feet, including Fredonyer Summit, Yuba Pass and Highway
44 west of Susanville.
Travel delays are likely across northeast California with slick
and snow covered roads, especially in higher elevations. Roads
may also become icy in lower elevations tonight through Wednesday
morning. Leave extra space between vehicles since it takes longer
to stop on slick roadways.