The Latest Weather Warnings, Winter Storm, Flash Flooding, Flooding & High Wind

Arnold, CA….Below are the latest updated weather warnings for our area. Please use caution out there…

Winter Storm Warning
URGENT – WINTER WEATHER MESSAGE
National Weather Service Sacramento CA
123 PM PST Mon Feb 20 2017

…Another strong storm hits northern California through
Tuesday…

.A stronger weather system will move through northern California
through Tuesday. It will bring periods of strong winds and heavy
snow to the higher elevations. A period of higher snow levels
today will limit snow impacts to near passes and higher but snow
levels will fall again by Tuesday morning. If traveling through
the Sierra Cascade range expect chain controls, long delays and
possible closures. Mudslides and rockslides could impact mountain
roads making them impassable for a day or more.

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
123 PM PST Mon Feb 20 2017

…WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 PM PST
TUESDAY…

* Main impacts: travelers may experience long delays. Chain
controls likely. Poor visibility due to snow and strong
southwest wind gusts over 60 mph will make travel hazardous.
Mudslides also possible across steeper terrain.

* 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 Tuesday evening before
dropping off to lighter snow Tuesday night.

* Snow amounts…up to a foot of snow expected down to about
5500 feet with 2 to 5 feet of snow possible above 6000 feet
between today and Tuesday evening.

* Snow levels…snow levels around 7000 feet dropping on Tuesday
to between 4000 and 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

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High Wind Warning
URGENT – WEATHER MESSAGE
National Weather Service Sacramento CA
110 PM PST Mon Feb 20 2017

CAZ063-064-067-211200-
/O.CON.KSTO.HW.W.0004.170221T0000Z-170221T1200Z/
Mountains Southwestern Shasta County to Northern Lake County-
Clear Lake/Southern Lake County-Motherlode-
Including the cities of Alder Springs, Lakeport, Grass Valley,
and Jackson
110 PM PST Mon Feb 20 2017

…HIGH WIND WARNING REMAINS IN EFFECT UNTIL 4 AM PST TUESDAY…

* TIMING…Strongest winds tonight.

* WINDS…Gusts 55 to 65 mph possible.

* IMPACTS…Downed trees, blowing debris, and widespread,
potentially long-lasting power outages.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

A High Wind Warning means a hazardous high wind event is expected
or occurring. Sustained wind speeds of at least 40 mph or gusts
of 58 mph or more can lead to property damage.

&&

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

$$

Flash Flood Watch
Flood Watch
National Weather Service Sacramento CA
1205 PM PST Mon Feb 20 2017

Latest short term model forecast guidance has suggested an area of
excessive rainfall due to orographic lifting along and south of
the Interstate 80 corridor with rainfall rates greater than 0.5
inches per hour possible. Locally heavier amounts are possible in
a short time duration, which could lead to flash flooding.

CAZ019-067-069-210800-
/O.NEW.KSTO.FF.A.0005.170220T2300Z-170221T0800Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Northern San Joaquin Valley-Motherlode-
West Slope Northern Sierra Nevada-
1205 PM PST Mon Feb 20 2017

…FLASH FLOOD WATCH IN EFFECT FROM 3 PM THIS AFTERNOON TO
MIDNIGHT PST TONIGHT…

The National Weather Service in Sacramento has issued a

* Flash Flood Watch for a portion of northern California…
including the following areas…Motherlode…Northern San
Joaquin Valley and West Slope Northern Sierra Nevada.

* From 3 PM this afternoon to midnight PST tonight

* Excessive heavy rainfall south of the Interstate 80 corridor is
anticipated to develop this afternoon and evening.

* Potential impacts include fast rises to rivers and streams, land
slides, fast flowing water over roadways, and washed out roads.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

A Flash Flood Watch means that heavy rain may develop that lead
to flash flooding. Flash flooding is a VERY DANGEROUS SITUATION.

You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.

&&

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Flood Warning
Flood Statement
National Weather Service Sacramento CA
959 AM PST SUN FEB 19 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-
959 AM PST SUN FEB 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

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