Alleghany, CA (95910)

6:14 PM PDT on May 06, 2015 (GMT -0700)
RAWS | | Change Station
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Current Station
Personal Weather Station
Location: Sierraville, CA
Elevation: 6942 ft
Nearby Weather Stations

Elev 6942 ft 39.53 °N, 120.33 °W | Updated 44 minutes ago

Overcast
Overcast
37 °F
Feels Like 31 °F
N
8
Wind Variable Wind from North
Gusts 14.0 mph

Today
High -- | Low -- °F
--% Chance of Precip.
Yesterday
High -- | Low -- °F
Precip. -- in
5:57 AM 8:01 PM
Waning Gibbous, 91% visible
Pressure 29.76 in
Visibility 10.0 miles
Clouds Few 5500 ft
Few 7000 ft
Mostly Cloudy 12000 ft
Windchill 31 °F
Dew Point 36 °F
Humidity 95%
Rainfall in
Snow Depth Not available.
UV 1 out of 12
Pollen 8.00 out of 12
Air Quality Not available.
Flu Activity Sporadic
METAR KBLU 070052Z AUTO 30004KT 10SM FEW055 FEW070 BKN120 10/M03 A2987 RMK AO2 LTG DSNT N SLP078 T01001033

More Conditions Fewer Conditions

Pressure 29.76 in
Visibility 10.0 miles
Clouds Few 5500 ft
Few 7000 ft
Mostly Cloudy 12000 ft
Windchill 31 °F
Dew Point 36 °F
Humidity 95%
Rainfall in
Snow Depth Not available.
UV 1 out of 12
Pollen 8.00 out of 12
Air Quality Not available.
Flu Activity Sporadic
METAR KBLU 070052Z AUTO 30004KT 10SM FEW055 FEW070 BKN120 10/M03 A2987 RMK AO2 LTG DSNT N SLP078 T01001033

More Conditions Fewer Conditions

Nowcast | as of 6:13 PM PDT on May 6, 2015

Isolated showers and thunderstorms will continue into the early evening hours across the northern Sierra Nevada, western Plumas County and Lassen park region. Through 645 PM...look for some of the stronger activity to affect Sierra Nevada locations from around Downieville toward Interstate 80 at lake Spalding and Blue Canyon. Brief heavy rain and small hail is likely. Elsewhere...other isolated showers and thunderstorms will continue through the early evening across the interior coastal range foothills and mountains as well as portions of mainly far western Shasta County.

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City Distance Mag. Time & Date
Minimum magnitude displayed is 2.5.

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Nearby Weather Stations

Station Location Temp. Windchill Dew Point Humidity Wind Precip. Elev Updated Type
                   
Winter Weather Advisory
Statement as of 3:06 PM PDT on May 06, 2015

... Winter Weather Advisory remains in effect from 5 am Thursday
to 5 am PDT Friday...

* snow accumulations: 2 to 6 inches. Greatest amounts mainly over
higher elevations south of Highway 50.

* Timing: showers and isolated thunderstorms this evening. Heavier
snow showers and possible thunderstorms Thursday afternoon and
evening.

* Locations include: Donner Summit on Interstate 80... Echo Summit
on Highway 50... Carson Pass on Highway 88... Ebbetts Pass on
Highway 4... Sonora pass on Highway 108.

* Winds: northeast 10 to 15 mph with gusts up to 30 mph.

* Impacts: snow covered and slippery roads. Possible chain
controls. Travel delays over passes.

* For a detailed view of the hazard area... visit
http://www.Wrh.NOAA.Gov/map/?Wfo=sto.

Precautionary/preparedness actions...

A Winter Weather Advisory for snow means that periods of snow
will cause primarily travel difficulties. Be prepared for snow
covered roads and limited visibilities... and use caution while
driving.


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Special Statement
Statement as of 6:12 AM PDT on May 06, 2015

... Cooler with showers and thunderstorms possible late today through
Friday...

.Impacts...
* chain controls possible over the Sierra passes
* travel delays possible
* thunderstorms with dangerous lightning

.Forecast confidence...
* high for precipitation over the mountains
* low for thunderstorms in the Central Valley

.Timing and strength...
* showers and thunderstorms over the mountains today through Friday.
* Thursday is the brunt of the storm and the best chance for the
valley to experience showers
* snow levels down to around 5500 ft... may be locally lower in
heavy showers

.Weather summary...
An upper level low drops south into northern California tonight into
Thursday. This will bring a chance of showers and
thunderstorms over interior northern California... especially to the
mountains. The low shifts into Southern California on Friday and
showers are expected to decrease over northern California.
Precipitation is somewhat limited with this system, so amounts are
generally expected to be less than half an inch, and will be
variable due to the convective nature of showers. Snow levels will
drop to around 5500 ft Thursday, with locally lower levels possible
in heavier showers. Snow accumulations up to 6 inches are possible
over the Sierra especially south of about U.S 50. A Winter Weather
Advisory has been issued for this area.

The NWS will continue to provide updates as the situation
develops.