Arnold, CA…It will be another busy week along the West Slope of the Northern Sierra Nevada. the National weather service in Sacramento has added a Flash Flood Warning for good measure as well. Tonight: Heavy snow showers and heavy rain showers. Windy. Lows 22 to 36 higher elevations…34 to 42 lower elevations. No snow accumulation lower elevations…19 to 25 inches higher elevations. Snow level 5000 feet. Prevailing south winds 15 to 30 mph with gusts to around 55 mph…except southwest 30 to 50 mph over ridges.

Tuesday
Heavy snow showers and heavy rain showers. Windy. Highs 29 to 43 higher elevations…38 to 48 lower elevations. No snow accumulation lower elevations…12 to 17 inches higher elevations. Snow level 5000 feet. Prevailing south winds 15 to 30 mph with gusts to around 55 mph…except south 30 to 50 mph over ridges.

Tuesday Night
Heavy rain showers at lower elevations…and snow showers and heavy rain showers at higher elevations. Windy. Lows 24 to 38 higher elevations…37 to 43 lower elevations. No snow accumulation lower elevations…9 to 15 inches higher elevations. Snow level 5500 feet. Prevailing south winds 15 to 30 mph with gusts to around 60 mph…except south 30 to 50 mph over ridges.

Wednesday
Rain and snow showers. Windy. Not as cool. Highs 31 to 46 higher elevations…43 to 51 lower elevations. No snow accumulation lower elevations…1 to 7 inches higher elevations. Snow level 6000 feet. Prevailing south winds 15 to 30 mph with gusts to around 55 mph…except southwest 30 to 45 mph with gusts to around 60 mph over ridges.

Wednesday Night
Rain and snow showers. Breezy. Lows 22 to 36 higher elevations…32 to 42 lower elevations. No snow accumulation lower elevations…3 to 9 inches higher elevations. Snow level 6000 feet. Prevailing south winds 15 to 25 mph with gusts to around 45 mph…except southwest 30 to 40 mph over ridges.

Thursday
Rain and snow showers likely. Breezy. Moderate snow accumulations possible. Highs 31 to 46.

Thursday Night
Mostly cloudy with a slight chance of rain and snow showers. Colder. Lows 17 to 32.

Friday
Partly cloudy with a slight chance of rain and snow showers. Highs 33 to 48.

Friday Night
Rain and snow showers likely. Light snow accumulations possible. Lows 24 to 39.

Saturday Through Sunday
Rain and snow showers. Moderate snow accumulations possible. Highs 34 to 49. Lows 26 to 41.

Sunday Night
Rain and snow showers likely. Colder. Lows 22 to 37.

Monday
Partly cloudy with a chance of rain and snow showers. Highs 34 to 49.

Flash Flood Watch

Flood Watch
National Weather Service Sacramento CA
930 AM PST Mon Feb 25 2019

CAZ013-063-064-066>069-261200-
/O.CON.KSTO.FF.A.0004.190226T0000Z-190228T1600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Shasta Lake Area / Northern Shasta County-
Mountains Southwestern Shasta County to Northern Lake County-
Clear Lake/Southern Lake County-
Northeast Foothills/Sacramento Valley-Motherlode-
Western Plumas County/Lassen Park-
West Slope Northern Sierra Nevada-
Including the cities of Shasta Dam, Alder Springs, Lakeport,
Paradise, Grass Valley, Jackson, Chester, Quincy, and Blue Canyon
930 AM PST Mon Feb 25 2019

…FLASH FLOOD WATCH REMAINS IN EFFECT FROM 4 PM PST THIS
AFTERNOON THROUGH THURSDAY MORNING…

The Flash Flood Watch continues for

* For the foothills portion of the Sierra Nevada, Cascade, and
Coastal Mountains.

* From 4 PM PST this afternoon through Thursday morning

* Persistent moderate to heavy rain may lead to flash flooding and
flooding over the area. This includes potential flash flooding
on foothill small creeks and streams.

* Some snow melt will add to water flowing into the rivers and
creeks of the lower mountain elevations and foothills. Three to
six inches of rain is expected with local amounts between eight
to twelve inches. This could cause ponding of water on area
roadways.

* Rainfall rates are not expected to exceed burn scar debris flow
thresholds.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

A Flash Flood Watch means that conditions 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.

&&

$$

Winter Storm Warning

URGENT – WINTER WEATHER MESSAGE
National Weather Service Sacramento CA
1153 AM PST Mon Feb 25 2019

…Hazardous Mountain Winter Travel this Week…

.A series of winter storms will bring mountain snow, gusty winds,
and hazardous mountain travel to northern California this week.
Snow will spread into the northern Sierra this afternoon. Snow
levels will start out relatively low, but will be rising to
4500-5500 feet on Tuesday and to 5000-6000 feet on Wednesday.
Persistent long term snowfall for the western slopes will inundate
major pass levels into Thursday. 3 to 5 feet expected above 5000
feet with 10 feet or more possible near major pass levels and over
the peaks. Alternate routes are recommended during the event this
week.

CAZ069-261200-
/O.CON.KSTO.WS.W.0010.190225T2000Z-190228T1400Z/
West Slope Northern Sierra Nevada-
Including the city of Blue Canyon
1153 AM PST Mon Feb 25 2019

…WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM PST
THURSDAY…

* WHAT…Heavy snow expected. Travel will be very difficult to
impossible. Damage to trees and power lines is possible. Total
snow accumulations of 3 to 5 feet above 5000 feet, with
localized amounts over 10 feet at the higher elevations, are
expected.

* WHERE…West Slope Northern Sierra Nevada including Interstate
80 over Donner Pass and Highway 50 over Echo Summit.

* WHEN…Noon today to 6 AM Thursday.

* ADDITIONAL DETAILS…Be prepared for significant reductions in
visibility at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

A Winter Storm Warning for snow means there will be snow covered
roads and limited visibilities. Travel is not recommended while
the warning is in effect. If you must travel, keep an extra
flashlight, food and water in your vehicle in case of an
emergency.The latest road conditions for the state you are
calling from can be obtained by calling 5 1 1.

$$