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Urgent - winter weather message
national weather service riverton wy
245 pm mst fri dec 7 2012
...cold winter storm in the west through saturday...
.snow will continue tonight and saturday. The combination of
snow... Strong wind...blowing snow and sharply colder temperatures
will combine to produce a high impact winter storm for parts of
the west tonight through saturday.
Wyz023-081215-
/o.con.kriw.ws.w.0010.121208t0000z-121209t0000z/
star valley-
including the cities of...afton...alpine...thayne
245 pm mst fri dec 7 2012
...winter storm warning remains in effect from 5 pm this
afternoon to 5 pm mst saturday...
A winter storm warning remains in effect from 5 pm this afternoon
to 5 pm mst saturday.
* summary and timing...snow will increase in intensity this
evening and will become heavy at times tonight and continue through
the day saturday. The combination of the snow and strong
southwest winds may produce considerable blowing snow with time.
* snow accumulations...6 to 9 inches with locally higher amounts
around alpine and from thayne to bedford.
* wind and visibility...southwest 25 to 35 mph reducing the
visibility under one quarter mile at times.
* impacts...travel through the star valley will likely become
slick tonight and continue through saturday. The strong winds
and snow combined will definitely hamper travel during this
storm.
Precautionary/preparedness actions...
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.
The latest road conditions provided by the wyoming department of
transportation are available by calling 5-1-1 or on the internet
at wyoroad.info.
Winter Weather Advisory, Rock Springs-West-to State Line, 12-7-12
Urgent - winter weather message
national weather service riverton wy
245 pm mst fri dec 7 2012
...cold winter storm in the west through saturday...
.snow will continue tonight and saturday. The combination of
snow... Strong wind...blowing snow and sharply colder temperatures
will combine to produce a high impact winter storm for parts of
the west tonight through saturday.
Wyz028>030-081215-
/o.exb.kriw.ww.y.0034.121208t1200z-121209t0000z/
rock springs and green river-flaming gorge-east sweetwater county-
including the cities of...rock springs...green river...wamsutter
245 pm mst fri dec 7 2012
...winter weather advisory in effect from 5 am to 5 pm mst
saturday...
The national weather service in riverton has issued a winter
weather advisory for snow and very strong wind which is in effect
from 5 am to 5 pm mst saturday.
* summary and timing...a very strong cold front will blast east
across the area on saturday with light snow and very strong west
winds. The combination of an inch or two of snow...very strong
winds and slick roads will definitely hamper travel.
* snow accumulations...1 to 2 inches.
* wind and visibility...west becoming west 30 to 40 mph with gusts
of 50 to 60 mph. The visibility will be zero at times in snow
and blowing snow.
* impacts...travel along interstate 80 and other state routes will
become slick on saturday. The slick roads and sharply reduced
visibility at times in snow and blowing snow will definitely
make for treacherous travel along interstate 80 on saturday.
Precautionary/preparedness actions...
A winter weather advisory means that periods of snow and blowing
snow will cause travel difficulties. Be prepared for slippery
roads and limited visibilities...and use caution while driving.
The latest road conditions provided by the wyoming department of
transportation are available by calling 5-1-1 or on the internet
at wyoroad.info.
Winter Weather Advisory, West Yellowstone, 12-7-2012
Urgent - winter weather message
national weather service riverton wy
245 pm mst fri dec 7 2012
...cold winter storm in the west through saturday...
.snow will continue tonight and saturday. The combination of
snow... Strong wind...blowing snow and sharply colder temperatures
will combine to produce a high impact winter storm for parts of
the west tonight through saturday.
Wyz001-002-081215-
/o.con.kriw.ww.y.0034.000000t0000z-121208t1800z/
yellowstone national park-absaroka mountains-
including the cities of...lake...mammoth...old faithful
245 pm mst fri dec 7 2012
...winter weather advisory remains in effect until 11 am mst
saturday...
A winter weather advisory remains in effect until 11 am mst
saturday.
* summary and timing...light to moderate snow will continue into
the afternoon before increasing into the evening hours and
continuing overnight. Some favored areas in the southern
mountains have already received 6 to 9 inches of snow with
very little snow on the valley floor. Wind will also be on the
increase this evening and it will combine with moderate to
locally heavy snow at times overnight.
* snow accumulations...3 to 6 inches in the northern valleys
with 6 to 12 inches in the mountains with locally higher
amounts in the southern mountains.
* wind and visibility...southwest becoming west 25 to 35 mph
with gusts to 50 mph will reduce visibility to under one half
mile at times. Even higher winds are possible over the peaks.
* impacts...travel through will likely become slick tonight and
continue through saturday morning. The strong winds and snow
combined will definitely hamper travel during this storm.
Precautionary/preparedness actions...
A winter weather advisory means that periods of snow and blowing
snow will cause travel difficulties. Be prepared for slippery
roads and limited visibilities...and use caution while driving.
The latest road conditions provided by the wyoming department of
transportation are available by calling 5-1-1 or on the internet
at wyoroad.info.
Urgent - winter weather message
national weather service billings mt
342 pm mst fri dec 7 2012
.a strong cold front will move across the area saturday morning.
Areas of snow...strong northwest winds and bitter cold wind chills
will occur saturday afternoon and night.
Mtz031>033-036>038-058-wyz099-082245-
/o.new.kbyz.ww.y.0022.121208t1900z-121209t1300z/
northern rosebud-custer-fallon-powder river-carter-
southern big horn-southern rosebud-sheridan foothills-
including the locations of...colstrip...forsyth...ingomar...
Angela...miles city...ismay...volborg...baker...plevna...
Webster...broadus...biddle...powderville...sonnett e...ekalaka...
Alzada...hammond...belltower...lodge grass...pryor...wyola...
Fort smith...lame deer...ashland...birney...sheridan...dayton...
Ranchester...big horn...story...clearmont
342 pm mst fri dec 7 2012
...winter weather advisory in effect from noon saturday to 6 am
mst sunday...
The national weather service in billings has issued a winter
weather advisory for snow...blowing snow and bitter cold wind
chills...which is in effect from noon saturday to 6 am mst
sunday.
* timing...snow will begin by late morning saturday and continue
into saturday evening. The heaviest snow is expected saturday
afternoon.
* snow accumulation...total snow accumulation of 1 to 3 inches
with locally higher amounts will be likely.
* winds...northwest winds 25 to 35 mph with gusts to 45 mph will
be likely saturday afternoon and evening. The winds combined
with temperatures falling into the teens during the afternoon
will result in bitter cold wind chills.
* impacts...roadways will likely become snow covered and slick.
Strong northwest winds combined with falling and blowing snow
will result in reduced visibilities.
Precautionary/preparedness actions...
A winter weather advisory can be issued for a variety of winter
weather conditions such as light snow...blowing snow...sleet...
Freezing rain...and extreme wind chills.
Winter Weather Advisory, from the Big Horns to the SD State Line, 12-8-12
Urgent - winter weather message
national weather service billings mt
957 am mst sat dec 8 2012
mtz031>033-036>038-058-wyz099-091300-
/o.con.kbyz.ww.y.0022.121208t1900z-121209t1300z/
northern rosebud-custer-fallon-powder river-carter-
southern big horn-southern rosebud-sheridan foothills-
including the locations of...colstrip...forsyth...ingomar...
Angela...miles city...ismay...volborg...baker...plevna...
Webster...broadus...biddle...powderville...sonnett e...ekalaka...
Alzada...hammond...belltower...lodge grass...pryor...wyola...
Fort smith...lame deer...ashland...birney...sheridan...dayton...
Ranchester...big horn...story...clearmont
957 am mst sat dec 8 2012
...winter weather advisory remains in effect until 6 am mst
sunday...
A winter weather advisory for snow...blowing snow and bitter wind
chills remains in effect until 6 am mst sunday.
* timing...snow showers can be expected across the area this
morning. Snow will intensify this afternoon and continue
through the evening...before tapering off late tonight.
* snow accumulation...2 to 4 inches with locally higher amounts
possible.
* winds...northwest winds 20 to 30 mph with gusts to 45 mph this
afternoon and evening will cause areas of blowing and drifting
snow. The winds combined with temperatures falling into the
teens during the afternoon will result in wind chills in the
teens below zero.
* impacts...travelers can expect poor visibilities across the
area due to snow and blowing snow. Roads will likely become
snow covered and slippery...including interstates 90 and
94...and highway 212.
Precautionary/preparedness actions...
A winter weather advisory can be issued for a variety of winter
weather conditions such as light snow...blowing snow...sleet...
Freezing rain...and extreme wind chills.
Winter Storm Warning, Jackson South to I-80, 12-8-12
Urgent - winter weather message
national weather service riverton wy
1101 am mst sat dec 8 2012
...winter storm to impact north and southwest through tonight...
.snow will continue in the southwest today. The combination of
snow...strong wind...blowing snow and sharply colder temperatures
will combine to produce a high impact winter storm for parts of
the southwest through today. A strong cold front will bring snow
and strengthening northwest wind to the big horn mountains and
northeast johnson county through tonight.
Wyz024-090000-
/o.con.kriw.ws.w.0010.000000t0000z-121209t0000z/
salt river and wyoming ranges-
1101 am mst sat dec 8 2012
...winter storm warning remains in effect until 5 pm mst this
afternoon...
A winter storm warning remains in effect until 5 pm mst this
afternoon.
* summary and timing...snow and wind will continue through much of
today.
* snow accumulations...8 to 16 inches.
* wind and visibility...west 25 to 35 mph with gusts to 50 mph.
Even stronger winds are expected at peak level. The
combination of the snow and wind will likely reduce the
visibility to near zero at times.
* impacts...travel into the mountains...including over salt
pass...will likely be quite treacherous today with the snow
and strong wind.
Precautionary/preparedness actions...
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.
The latest road conditions provided by the wyoming department of
transportation are available by calling 5-1-1 or on the internet
at wyoroad.info.
Urgent - winter weather message
national weather service riverton wy
1101 am mst sat dec 8 2012
...winter storm to impact north and southwest through tonight...
.snow will continue in the southwest today. The combination of
snow...strong wind...blowing snow and sharply colder temperatures
will combine to produce a high impact winter storm for parts of
the southwest through today. A strong cold front will bring snow
and strengthening northwest wind to the big horn mountains and
northeast johnson county through tonight.
Wyz028>030-090000-
/o.con.kriw.ww.y.0034.000000t0000z-121209t0000z/
rock springs and green river-flaming gorge-east sweetwater county-
including the cities of...rock springs...green river...wamsutter
1101 am mst sat dec 8 2012
...winter weather advisory remains in effect until 5 pm mst this
afternoon...
A winter weather advisory remains in effect until 5 pm mst this
afternoon.
* summary and timing...a very strong cold front will blast east
across the area today with light snow and very strong west
winds. The combination of an inch or two of snow...very strong
winds and slick roads will definitely hamper travel.
* snow accumulations...1 to 2 inches.
* wind and visibility...west becoming west 30 to 40 mph with
gusts of 50 to 60 mph. The visibility will be zero at times in
snow and blowing snow.
* impacts...travel along interstate 80 and other state routes
will become slick today. The slick roads and sharply reduced
visibility at times in snow and blowing snow will definitely
make for treacherous travel along interstate 80 on saturday.
Precautionary/preparedness actions...
A winter weather advisory means that periods of snow and blowing
snow will cause travel difficulties. Be prepared for slippery
roads and limited visibilities...and use caution while driving.
The latest road conditions provided by the wyoming department of
transportation are available by calling 5-1-1 or on the internet
at wyoroad.info.
High Wind Warning, Various - Laramie, Rawlins, Lander, Dubois, 12-8-12
Urgent - weather message
national weather service cheyenne wy
439 am mst sat dec 8 2012
...strong winds to develop this morning and persist into mid-
afternoon...
.strong winds will develop this morning ahead of a strong cold
front. A surface low will move across northern wyoming into north
central nebraska which will create strong westerly winds. As the
front moves through the area...winds will shift to the northwest
and slowly decrease late this afternoon. These strong winds will
reduce visibilities in areas of blowing and drifting snow later
today.
Wyz104>106-109-110-115>117-082200-
/o.con.kcys.hw.w.0042.121208t1200z-121208t2200z/
ferris/seminoe/shirley mountains-shirley basin-
central laramie range and southwest platte county-
central carbon county-north snowy range foothills-laramie valley-
south laramie range-south laramie range foothills-
including the cities of...muddy gap...medicine bow...bordeaux...
Rawlins...sinclair...hanna...arlington...elk mountain...laramie...
Vedauwoo...buford...pumpkin vine...horse creek...harriman...
Whitaker
439 am mst sat dec 8 2012
...high wind warning remains in effect until 3 pm mst this
afternoon...
A high wind warning remains in effect until 3 pm mst this
afternoon.
* timing...through mid-afternoon today.
* winds...west at 30 to 40 mph with some gusts in excess of 65
mph.
* impacts...the strong winds and sudden gusts will make travel
hazardous in the warned areas. Those with high profile or
lightweight vehicles should be especially cautious while
traveling this morning. Visibilities will be reduced in areas of
blowing and drifting snow today. Motorists are encouraged to
exercise caution while traveling today.
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. For detailed road
and travel conditions...dial 5 1 1.
Winter Weather Advisory, Most of North West Wyoming, 12-10-12
Urgent - winter weather message
national weather service riverton wy
1047 am mst mon dec 10 2012
...periods of snow today and tonight in the west and north...
.periods of snow will continue over the west and north and the
far west valleys...today and tonight. Over the next 24 hours the
elevations below 8000 feet can expect 3 to 6 inches with locally
higher amounts. The mountains above 8000 feet can expect 6 to 12
inches with locally higher amounts. Over the passes and higher
ridges and peaks...the snow will be combined with blowing snow
with visibility below a quarter mile as northwest winds of 25 to
30 mph with higher gusts blows.
Wyz004>006-110200-
/o.exb.kriw.ww.y.0035.000000t0000z-121211t0700z/
north big horn basin-southwest big horn basin-
southeast big horn basin-
including the cities of...powell...lovell...greybull...basin...
Thermopolis...worland
1047 am mst mon dec 10 2012
...winter weather advisory in effect until midnight mst tonight...
The national weather service in riverton has issued a winter weather
advisory for snow...which is in effect until midnight mst tonight.
* summary and timing...periods of snow will continue today and
this evening.
* snow accumulations...3 to 6 inches with locally higher amounts.
* wind and visibility...northwest winds of 15 to 20 mph in open areas
will cause some drifting snow. Visibility will be down to a
quarter mile in the periods of heavier snowfall.
* impacts...a combination of slick...snow packed and icy roads...and
poor visibility will cause travel delays.
Precautionary/preparedness actions...
A winter weather advisory means that periods of snow and blowing
snow will cause travel difficulties. Be prepared for slippery
roads and limited visibilities...and use caution while driving.
The latest road conditions provided by the wyoming department of
transportation are available by calling 5-1-1 or on the internet
at wyoroad.info.
Urgent - winter weather message
national weather service cheyenne wy
1255 pm mst sun dec 16 2012
...prolonged period of snow expected in the snowy and sierra
madre ranges and adjacent foothills through midweek...
.a favorable moist westerly upslope flow will plow into the snowy
and sierra madre ranges beginning in earnest tonight and
continuing at least through the day on tuesday. By the time mid-
week arrives the potential exists for new snowfall in excess of 1
to 2 feet...with the highest amounts along west facing slopes.
Lower elevations adjoining the snowy and sierra madre ranges could
see snow accumulations of 6 to 10 inches as well with considerable
blowing and drifting snow. Snow will combine with strong winds to
produce significant blowing snow late tonight through monday
night. Snow is expected to dissipate on wednesday.
Wyz111-113-171200-
/o.exb.kcys.ws.w.0010.121217t1200z-121219t0100z/
southwest carbon county-upper north platte river basin-
including the cities of...baggs...dixon...saratoga...encampment...
Riverside
1255 pm mst sun dec 16 2012
...winter storm warning in effect from 5 am monday to 6 pm mst
tuesday...
The national weather service in cheyenne has issued a winter
storm warning for heavy snow and strong winds...which is in
effect from 5 am monday to 6 pm mst tuesday.
* timing...5 am monday morning through tuesday afternoon.
* total snow accumulations...6 to 10 inches with highest amounts
along west facing slopes.
* winds/visibilities...west to southwest winds with gusts of 45 to
55 mph will create significant blowing and drifting of snow
early monday through tuesday morning. Visibilities will be
reduced below one half a mile during this period.
* impacts...residents...travelers and outdoor enthusiasts planning
to recreate the area early this week will want to prepare to
encounter these wintry conditions and stay tuned to later
forecasts.
Precautionary/preparedness actions...
A winter storm warning for snow and blowing snow means severe
winter weather conditions are expected or occurring. Significant
amounts of snow and strong winds 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. If you become stranded in a
rural area...stay with your vehicle until help arrives. To keep
warm in your vehicle...run your engine 10 minutes each hour...and
make sure the exhaust pipe is clear of snow to avoid carbon
monoxide poisoning.
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Winter Weather Advisory, Rock Springs-West-to State Line, 12-7-12
