Alert archive / Nebraska / Blizzard Warnings in 2010

Blizzard Warning 1, NWS Cheyenne, WY

December 29, 20106 counties in Wyoming; 8 counties in Nebraska

NWS Cheyenne, WY issued this blizzard warning at Dec 29, 2010, 12:37 PM MST for 6 counties in Wyoming; 8 counties in Nebraska. It took effect at Dec 29, 2010, 11:00 PM MST. It was in force for 49 hr. 60 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Dec 29, 2010, 12:37 PM MST (19:37 UTC)
In effect from
Dec 29, 2010, 11:00 PM MST
Expired
Jan 1, 2011, 12:00 AM MST
In force
49 hr
Issued by
NWS Cheyenne, WY

Counties Banner County, NE, Box Butte County, NE, Cheyenne County, NE, Dawes County, NE, Kimball County, NE, Morrill County, NE, Scotts Bluff County, NE, Sioux County, NE, Albany County, WY, Converse County, WY, Goshen County, WY, Laramie County, WY, Niobrara County, WY, Platte County, WY

The radar

The Cheyenne radar (KCYS), 114 km from the middle of the area, began a volume at 19:40 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Dec 30, 3:00 AM MSTSNOW 338 Sw Douglas, WYSNOW FELL BETWEEN APPROXIMATELY 29/23-30/03 MST AT LA PRELE CREEK SNOTEL. ELEVATION 8375 FT. SWE 0.2 INCHES AT 15 TO 1 RATIO.
Dec 30, 4:00 AM MSTSNOW 1.210 Se Laramie, WYSNOW FELL BETWEEN APPROXIMATELY 30/03-04 MST AT CROW CREEK SNOTEL. ELEVATION 8330 FT. SWE 0.1 INCHES AT 12 TO 1 RATIO.
Dec 30, 4:00 AM MSTSNOW 1.56 Sw Centennial, WYSNOW FELL BETWEEN APPROXIMATELY 30/03-04 MST AT CINNABAR SNOTEL. ELEVATION 9574 FT. SWE 0.1 INCHES AT 15 TO 1 RATIO.
Dec 30, 4:00 AM MSTSNOW 812 Wnw Centennial, WYSNOW FELL BETWEEN APPROXIMATELY 29/17-19 MST AND 30/03-04 MST AT THE NORTH FRENCH CREEK SNOTEL. ELEVATION 10130 FT. SWE 0.4 INCHES AT 20 TO 1 RATIO.
Dec 30, 7:00 AM MSTSNOW 412 Sw Esterbrook, WYSNOW FELL BETWEEN APPROXIMATELY 30/02-07 MST AT WINDY PEAK SNOTEL. ELEVATION 7900 FT. SWE 0.2 INCHES AT 20 TO 1 RATIO.
Dec 30, 8:44 AM MSTSNOW 1.5Buford, WYNEW SNOWFALL 1 TO 1.5 INCHES.
Dec 30, 9:07 AM MSTSNOW 45 Nw Centennial, WY2-4 INCHES OF SNOW FELL OVERNIGHT AT THE SNOWY RANGE SKI AREA.
Dec 30, 10:00 AM MSTSNOW 47 Nw Centennial, WYSNOW FELL BETWEEN APPROXIMATELY 29/15-30/10 MST AT BROOKLYN LAKE SNOTEL. ELEVATION 10240 FT. SWE 0.2 INCHES AT 20 TO 1 RATIO.
Dec 30, 11:00 AM MSTSNOW 1.2Cheyenne, WY
Dec 30, 11:53 AM MSTSNOW 0Alliance, NE
Dec 30, 11:53 AM MSTSNOW 1Kimball, NE
Dec 30, 11:53 AM MSTSNOW 1Sidney, NE
Dec 30, 11:53 AM MSTSNOW 2Scottsbluff, NE
Dec 30, 4:00 PM MSTSNOW 26 W Buford, WYMEASURED 0.16 INCHES OF LIQUID.
Dec 30, 4:10 PM MSTSNOW 1.514 Sw Harrisburg, NE
Dec 30, 4:15 PM MSTSNOW 14 Ese Gurley, NE
Dec 30, 4:15 PM MSTSNOW 15 Sse Angora, NE
Dec 30, 4:15 PM MSTSNOW 218 Ene Harrisburg, NE
Dec 30, 4:15 PM MSTSNOW 35 S Morrill, NE
Dec 30, 4:30 PM MSTSNOW 0.1Alliance, NE
Dec 30, 4:30 PM MSTSNOW 0.511 Nw Kimball, NE
Dec 30, 4:30 PM MSTSNOW 18 Sse Harrison, NE
Dec 30, 4:30 PM MSTSNOW 1Kimball, NE
Dec 30, 4:30 PM MSTSNOW 3Chadron, NE
Dec 30, 4:40 PM MSTSNOW 2Lusk, WY
Dec 30, 4:40 PM MSTSNOW 3Torrington, WY
Dec 30, 4:40 PM MSTSNOW 3Wheatland, WY
Dec 30, 4:40 PM MSTSNOW 4Douglas, WY
Dec 30, 5:00 PM MSTSNOW 21 N Federal, WYBIG DRY SNOW FLAKES FALLING.
Dec 30, 5:00 PM MSTSNOW 2Laramie, WY
Dec 30, 9:05 PM MSTSNOW 2Kimball, NE
Dec 30, 9:05 PM MSTSNOW 2Scottsbluff, NE
Dec 30, 9:05 PM MSTSNOW 2.8Cheyenne, WY
Dec 30, 9:05 PM MSTSNOW 3Sidney, NE
Dec 30, 9:05 PM MSTSNOW 3Torrington, WY
Dec 30, 9:05 PM MSTSNOW 3Wheatland, WY
Dec 30, 10:06 PM MSTSNOW 69 N Cheyenne, WYSNOW RANGES IN DEPTH FROM A HALF INCH TO 12 INCHES. DRIFTS 8 TO 12 INCHES. WINDS ESTIMATED 15 GUSTS TO 20 MPH.
Dec 30, 10:23 PM MSTSNOW 3Bridgeport, NESNOW DEPTH 3 INCHES. MODERATE SNOW FALLING.
Dec 31, 12:02 AM MSTSNOW 4E Cheyenne, WYAT DEL RANGE AND RIDGE. SPOTTER REPORTS IT IS STILL SNOWING AND REPORTS LOTS OF BLOWING SNOW.
Dec 31, 12:53 AM MSTBLIZZARDSidney, NEWIND 350 AT 30MPH GUSTING TO 38MPH. VISIBILITY 1/4 MILE.
Dec 31, 1:30 AM MSTBLIZZARDAlliance, NEVISIBILITIES 0 TO 1/4 MILE. WINDS 360 AT 24 MPH WITH GUSTS TO 36MPH. 5 INCHES OF SNOW ON GROUND.
Dec 31, 1:45 AM MSTSNOW 4Scottsbluff, NE3 TO 4 INCHES OF SNOW IN CITY.
Dec 31, 1:59 AM MSTBLIZZARDKimball, NEVISIBILITY 1/8 MILE. LOTS OF BLOWING SNOW. WINDS AT IBM ASOS AT 2 AM WERE 340 DEGREES AT 23 MPH WITH GUSTS TO 30 MPH.
Dec 31, 2:53 AM MSTBLIZZARDSidney, NEVISIBILITY 1/4 MILE WITH NORTHWEST WINDS AT 31MPH SUSTAINED GUSTING TO 41MPH.
Dec 31, 3:16 AM MSTBLIZZARDCheyenne, WYVISIBILITY VARYING FROM 1/8 TO 1/2 MILE WITH NORTHWEST WINDS AT 21 MPH GUSTING TO 36 MPH. AT NWS OFFICE IN CHEYENNE. SNOW DRIFTS RANGING FROM 5 INCHES TO 18 INCHES.
Dec 31, 3:42 AM MSTBLIZZARDTorrington, WYVISIBILITY 1/8 TO 1/4 MILE. LOTS OF BLOWING SNOW. NORTHWEST WIND AT 20 MPH SUSTAINED GUSTING TO 31 MPH FROM TOR ASOS.
Dec 31, 3:53 AM MSTBLIZZARDSidney, NEVISIBILITY 1/4 MILE WITH NORTHWEST WINDS AT 29 MPH GUSTING TO 35 MPH.
Dec 31, 4:45 AM MSTHEAVY SNOW 7.22 Wnw Scottsbluff, NE24 HOUR TOTAL. SNOW DEPTH 7 INCHES.
Dec 31, 4:53 AM MSTBLIZZARDSidney, NEVISIBILITY 1/4 MILE WITH NORTHWEST WINDS AT 35 MPH SUSTAINED GUSTING TO 39 MPH.
Dec 31, 4:59 AM MSTSNOW 32 Ne Rob Roy Reservoir, WYSNOTEL SITE. ELEVATION 9574 FEET. SWE 0.1. RATIO 30 TO 1.
Dec 31, 4:59 AM MSTSNOW 3Crow Creek, WYSNOTEL SITE. ELEVATION 8330 FEET. SWE 0.1. RATIO 30 TO 1.
Dec 31, 4:59 AM MSTSNOW 3N Laprele Creek, WYSNOTEL SITE. ELEVATION 8375 FEET. SWE 0.1. RATIO 30 TO 1.
Dec 31, 4:59 AM MSTSNOW 6Brooklyn Lake, WYSNOTEL SITE. ELEVATION 10240 FEET. SWE 0.2. RATIO 30 TO 1.
Dec 31, 4:59 AM MSTSNOW 6Windy Peak, WYSNOTEL SITE. ELEVATION 7900 FEET. SWE 0.2. RATIO 30 TO 1.
Dec 31, 5:02 AM MSTSNOW 5Cheyenne, WYAT NWS OFFICE IN CHEYENNE. SNOW AVERAGED 4 TO 6 INCHES.
Dec 31, 5:07 AM MSTBLIZZARDKimball, NEVISIBILITIES RANGE FROM 1/8 TO 1/4 MILE IN TOWN. WINDS FROM THE SNY ASOS NORTHWEST AT 29 MPH GUSTING TO 39 MPH.
Dec 31, 5:30 AM MSTBLIZZARDKimball, NE1/4 MILE VISIBILITY WITH NORTHWEST WINDS SUSTAINED AT 32 MPH GUSTING TO 42 MPH.
Dec 31, 5:32 AM MSTBLIZZARD6 Se Buford, WYWYDOT WEBCAM SHOWING NEAR ZERO VISIBILITIES ON HARRIMAN ROAD WEBCAM. WIND SPEEDS AT WYO HILL RWIS SITE EAST OF THIS SITE HAVE BEEN GUSTING IN THE 40 MPH RANGE. BUFORD SITE GUSTING TO 28 MPH.
Dec 31, 5:43 AM MSTBLIZZARD26 W Cheyenne, WYWYDOT WEBCAM AT INTERSTATE 80 SUMMIT SHOWING NEAR ZERO VISIBILITIES. WIND SPEED AT WYO HILL RWIS HAVE BEEN GUSTING INTO THE 40 MPH RANGE.
Dec 31, 5:53 AM MSTBLIZZARDAlliance, NE1/4 MILE VISIBILITY WITH NORTH WINDS AT 29 MPH SUSTAINED GUSTING TO 36 MPH.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Rapid City, SD (KUNR), launched 12:00Z, 7.6 hours before the alert went out and 248 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Rapid City, SD at 12:00Z on 2010-12-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Rapid City, SD at 12:00Z on 2010-12-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 1 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1938 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
1 m²/s²
0-3 km storm-relative helicity
-18 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

719 
WWUS45 KCYS 291937
WSWCYS

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
1237 PM MST WED DEC 29 2010

...DANGEROUS WINTER STORM TO IMPACT THE AREA TONIGHT THROUGH
FRIDAY EVENING...

.A STORM SYSTEM WILL MOVE FROM THE WEST COAST TO THE CENTRAL
ROCKIES THROUGH THURSDAY NIGHT. THE STORM WILL THEN MOVE
NORTHEAST AND OVER THE CENTRAL AND NORTHERN PLAINS FRIDAY AND
FRIDAY NIGHT. VERY COLD AIR WILL MOVE ACROSS THE REGION BEHIND A
COLD FRONT LATE TONIGHT AND THURSDAY MORNING. THE COMBINATION WILL
PRODUCE WINDY AND COLD WEATHER WITH WIDESPREAD SNOW AND BLOWING
SNOW OVER SOUTHEAST WYOMING AND THE WESTERN NEBRASKA PANHANDLE
TONIGHT THROUGH FRIDAY EVENING.

WYZ101-102-301200-
/O.CAN.KCYS.WS.W.0014.101230T0600Z-101231T1200Z/
/O.NEW.KCYS.BZ.W.0001.101230T0600Z-110101T0700Z/
CONVERSE COUNTY LOWER ELEVATIONS-NIOBRARA COUNTY-
INCLUDING THE CITIES OF...DOUGLAS...GLENROCK...LUSK
1237 PM MST WED DEC 29 2010

...BLIZZARD WARNING IN EFFECT FROM 11 PM THIS EVENING TO MIDNIGHT
MST FRIDAY NIGHT...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT FROM 11 PM THIS EVENING TO MIDNIGHT
MST FRIDAY NIGHT. THE WINTER STORM WARNING HAS BEEN CANCELLED. 

* TIMING...11 PM THIS EVENING THROUGH MIDNIGHT FRIDAY NIGHT.

* TOTAL SNOW ACCUMULATIONS...8 TO 12 INCHES.

* WINDS/VISIBILITIES...WINDS WILL BECOME NORTHERLY LATE TONIGHT
  AND THURSDAY MORNING WITH GUSTS BETWEEN 25 AND 35 MPH. THE STRONG
  NORTHERLY WINDS WILL CONTINUE THROUGH FRIDAY EVENING...NEW YEARS
  EVE. WIDESPREAD BLOWING SNOW AND SNOW WILL REDUCE VISIBILITIES
  TO FREQUENTLY LESS THAN ONE QUARTER MILE.

* IMPACTS...TRAVEL AND OUTDOOR ACTIVITIES WILL BECOME EXTREMELY
  HAZARDOUS OR EVEN IMPOSSIBLE DUE TO THE SNOW...BLOWING SNOW AND
  EXTREMELY COLD WIND CHILL TEMPERATURES. ROADS WILL BE SNOWPACKED
  AND SLICK AND WIND CHILL VALUES WILL BE BETWEEN 20 AND 35 BELOW
  ZERO THURSDAY NIGHT THROUGH FRIDAY NIGHT. ACCUMULATING SNOWFALL
  WILL DIMINISH FRIDAY AFTERNOON...BUT HAZARDS ASSOCIATED WITH THE
  BLOWING SNOW AND DANGEROUSLY COLD WIND CHILLS WILL CONTINUE
  THROUGH THE EVENING HOURS.

&&

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE. FOR SPECIFIC ROAD AND TRAVEL
CONDITIONS IN WYOMING AND NEBRASKA...DIAL 5 1 1.

&&

$$

NEZ002-003-095-096-WYZ106>108-301200-
/O.UPG.KCYS.WS.A.0012.101230T1200Z-101231T1800Z/
/O.NEW.KCYS.BZ.W.0001.101230T0600Z-110101T0700Z/
DAWES-BOX BUTTE-NORTH SIOUX-SOUTH SIOUX-
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
EAST PLATTE COUNTY-GOSHEN COUNTY-
INCLUDING THE CITIES OF...CHADRON...ALLIANCE...HARRISON...AGATE...
BORDEAUX...GLENDO...WHEATLAND...CHUGWATER...GUERNSEY...TORRINGTON
1237 PM MST WED DEC 29 2010

...BLIZZARD WARNING IN EFFECT FROM 11 PM THIS EVENING TO MIDNIGHT
MST FRIDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT FROM 11 PM THIS EVENING TO MIDNIGHT
MST FRIDAY NIGHT. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. 

* TIMING...11 PM THIS EVENING THROUGH MIDNIGHT SATURDAY.

* TOTAL SNOW ACCUMULATIONS...8 TO 12 INCHES.

* WINDS/VISIBILITIES...WINDS WILL BECOME NORTHERLY LATE TONIGHT
  AND THURSDAY MORNING WITH GUSTS BETWEEN 25 AND 35 MPH. THE
  STRONG NORTHERLY WINDS WILL CONTINUE THROUGH FRIDAY
  EVENING...NEW YEARS EVE. WIDESPREAD BLOWING SNOW AND SNOW WILL
  REDUCE VISIBILITIES TO FREQUENTLY LESS THAN ONE QUARTER MILE.

* IMPACTS...TRAVEL AND OUTDOOR ACTIVITIES WILL BECOME EXTREMELY
  HAZARDOUS OR EVEN IMPOSSIBLE DUE TO THE SNOW...BLOWING SNOW AND
  EXTREMELY COLD WIND CHILL TEMPERATURES. ROADS WILL BE SNOWPACKED
  AND SLICK AND WIND CHILL VALUES WILL BE BETWEEN 20 AND 35 BELOW
  ZERO THURSDAY NIGHT THROUGH FRIDAY NIGHT. ACCUMULATING SNOWFALL
  WILL DIMINISH FRIDAY AFTERNOON...BUT HAZARDS ASSOCIATED WITH
  THE BLOWING SNOW AND DANGEROUSLY COLD WIND CHILLS WILL CONTINUE
  THROUGH THE EVENING HOURS.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE. FOR SPECIFIC ROAD AND TRAVEL
CONDITIONS IN WYOMING AND NEBRASKA...DIAL 5 1 1.

&&

$$

NEZ019>021-054-055-WYZ116>119-301200-
/O.UPG.KCYS.WS.A.0012.101230T1200Z-101231T1800Z/
/O.NEW.KCYS.BZ.W.0001.101230T1300Z-110101T0700Z/
SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE-SOUTH LARAMIE RANGE-
SOUTH LARAMIE RANGE FOOTHILLS-CENTRAL LARAMIE COUNTY-
EAST LARAMIE COUNTY-
INCLUDING THE CITIES OF...SCOTTSBLUFF...GERING...HARRISBURG...
BRIDGEPORT...BAYARD...KIMBALL...SIDNEY...VEDAUWOO...BUFORD...
PUMPKIN VINE...HORSE CREEK...HARRIMAN...WHITAKER...CHEYENNE...
BURNS...CARPENTER...ALBIN...PINE BLUFFS
1237 PM MST WED DEC 29 2010

...BLIZZARD WARNING IN EFFECT FROM 6 AM THURSDAY TO MIDNIGHT MST
FRIDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT FROM 6 AM THURSDAY TO MIDNIGHT MST
FRIDAY NIGHT. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. 

* TIMING...6 AM THURSDAY THROUGH MIDNIGHT SATURDAY.

* TOTAL SNOW ACCUMULATIONS...8 TO 12 INCHES.

* WINDS/VISIBILITIES...WINDS WILL BECOME NORTHERLY LATE TONIGHT
  AND THURSDAY MORNING WITH GUSTS BETWEEN 25 AND 35 MPH. THE
  STRONG NORTHERLY WINDS WILL CONTINUE THROUGH FRIDAY EVENING...NEW
  YEARS EVE. WIDESPREAD BLOWING SNOW AND SNOW WILL REDUCE
  VISIBILITIES TO FREQUENTLY LESS THAN ONE QUARTER MILE.

* IMPACTS...TRAVEL AND OUTDOOR ACTIVITIES WILL BECOME EXTREMELY
  HAZARDOUS OR EVEN IMPOSSIBLE DUE TO THE SNOW...BLOWING SNOW AND
  EXTREMELY COLD WIND CHILL TEMPERATURES. ROADS WILL BE SNOWPACKED
  AND SLICK AND WIND CHILL VALUES WILL BE BETWEEN 20 AND 35 BELOW
  ZERO THURSDAY NIGHT THROUGH FRIDAY NIGHT. ACCUMULATING SNOWFALL
  WILL DIMINISH EARLY FRIDAY AFTERNOON...BUT HAZARDS ASSOCIATED
  WITH THE BLOWING SNOW AND DANGEROUSLY COLD WIND CHILLS WILL
  CONTINUE THROUGH THE EVENING HOURS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE. FOR SPECIFIC ROAD AND TRAVEL
CONDITIONS IN WYOMING AND NEBRASKA...DIAL 5 1 1.

&&

$$

WYZ115-301200-
/O.UPG.KCYS.WS.A.0012.101230T1200Z-101231T1800Z/
/O.EXB.KCYS.WS.W.0014.101230T0600Z-110101T0700Z/
LARAMIE VALLEY-
INCLUDING THE CITY OF...LARAMIE
1237 PM MST WED DEC 29 2010

...WINTER STORM WARNING IN EFFECT FROM 11 PM THIS EVENING TO
MIDNIGHT MST FRIDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WINTER
STORM WARNING FOR SIGNIFICANT SNOW AMOUNTS...VERY WINDY CONDITIONS
AND MUCH COLDER TEMPERATURES...WHICH IS IN EFFECT FROM 11 PM THIS 
EVENING TO MIDNIGHT MST FRIDAY NIGHT. THE WINTER STORM WATCH IS NO
LONGER IN EFFECT.

* TIMING...11 PM WEDNESDAY TO MIDNIGHT FRIDAY NIGHT.

* TOTAL SNOW ACCUMULATIONS...7 TO 11 INCHES THROUGH EARLY FRIDAY
  MORNING.

* WINDS/VISIBILITIES...GUSTY WESTERLY WINDS WILL BECOME NORTHERLY
  EARLY THURSDAY MORNING WITH GUSTS BETWEEN 15 AND 25 MPH. THE
  STRONG NORTHERLY WINDS WILL CONTINUE THROUGH FRIDAY
  EVENING...NEW YEARS EVE. BLOWING SNOW AND SNOW WILL FREQUENTLY
  REDUCE VISIBILITIES TO LESS THAN ONE HALF MILE.

* IMPACTS...TRAVEL AND OUTDOOR ACTIVITIES WILL BECOME HAZARDOUS
  DUE TO THE SNOW...BLOWING SNOW AND COLD TEMPERATURES. ROADS WILL
  BE SNOWPACKED AND SLICK AND WIND CHILL VALUES WILL BE BETWEEN 15
  TO 25 DEGREES BELOW ZERO. CONSIDER DELAYING TRAVEL PLANS UNTIL
  AFTER THE STORM HAS PASSED. ACCUMULATING SNOWFALL WILL DIMINISH
  EARLY FRIDAY MORNING...BUT HAZARDS ASSOCIATED WITH THE BLOWING
  SNOW AND DANGEROUSLY COLD WIND CHILLS WILL CONTINUE THROUGH THE
  EVENING HOURS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW AND STRONG WINDS 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.

LISTEN TO NOAA WEATHER RADIO OR YOUR LOCAL MEDIA FOR THE LATER
UPDATES ON THIS SITUATION.

&&

$$

WYZ103>105-109>114-301200-
/O.EXT.KCYS.WS.W.0014.101230T0600Z-110101T0700Z/
NORTH LARAMIE RANGE-FERRIS/SEMINOE/SHIRLEY MOUNTAINS-
SHIRLEY BASIN-CENTRAL CARBON COUNTY-NORTH SNOWY RANGE FOOTHILLS-
SOUTHWEST CARBON COUNTY-SIERRA MADRE RANGE-
UPPER NORTH PLATTE RIVER BASIN-SNOWY RANGE-
INCLUDING THE CITIES OF...MUDDY GAP...MEDICINE BOW...RAWLINS...
SINCLAIR...HANNA...ARLINGTON...ELK MOUNTAIN...BAGGS...DIXON...
SARATOGA...ENCAMPMENT...RIVERSIDE...CENTENNIAL...ALBANY...
WOODS LANDING
1237 PM MST WED DEC 29 2010

...WINTER STORM WARNING NOW IN EFFECT FROM 11 PM THIS EVENING TO
MIDNIGHT MST FRIDAY NIGHT...

THE WINTER STORM WARNING IS NOW IN EFFECT FROM 11 PM THIS EVENING
TO MIDNIGHT MST FRIDAY NIGHT. 

* TIMING...11 PM WEDNESDAY TO MIDNIGHT FRIDAY NIGHT.

* TOTAL SNOW ACCUMULATIONS...6 TO 10 INCHES OVER THE LOWER
  ELEVATIONS AND 16 TO 20 INCHES OVER THE NORTH LARAMIE RANGE AND
  SNOWY AND SIERRA MADRE RANGES BY FRIDAY EVENING.

* WINDS/VISIBILITIES...GUSTY WESTERLY WINDS WILL BECOME NORTHERLY
  LATE TONIGHT INTO THURSDAY MORNING WITH GUSTS BETWEEN 20 AND 35
  MPH. THE STRONG NORTHERLY WINDS WILL CONTINUE THROUGH FRIDAY
  AFTERNOON BEFORE BEGINNING TO DIMINISH DURING THE EVENING HOURS.
  BLOWING SNOW AND SNOW WILL REDUCE VISIBILITIES TO FREQUENTLY
  LESS THAN ONE HALF MILE.

* IMPACTS...TRAVEL AND OUTDOOR ACTIVITIES WILL BECOME HAZARDOUS 
  DUE TO THE SNOW...BLOWING SNOW AND COLD TEMPERATURES. ROADS 
  WILL BE SNOWPACKED AND SLICK AND WIND CHILL VALUES WILL BE 
  BETWEEN 20 AND 35 DEGREES BELOW ZERO. CONSIDER DELAYING TRAVEL 
  PLANS UNTIL AFTER THE STORM HAS PASSED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW AND STRONG WINDS 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.

LISTEN TO NOAA WEATHER RADIO OR YOUR LOCAL MEDIA FOR THE LATER
UPDATES ON THIS SITUATION.

&&

$$

CARPENTER
7 follow-up statements
744 
WWUS45 KCYS 300400
WSWCYS

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
900 PM MST WED DEC 29 2010

...DANGEROUS WINTER STORM TO IMPACT THE AREA LATE TONIGHT
THROUGH FRIDAY EVENING...

.A WINTER STORM SYSTEM WILL MOVE INTO THE SOUTHWESTERN PART OF THE
COUNTRY TONIGHT THEN TURN NORTHEAST ACROSS THE CENTRAL ROCKY'S
THURSDAY AND THURSDAY NIGHT BEFORE MOVING OVER THE CENTRAL PLAINS
FRIDAY. VERY COLD AIR WILL MOVE ACROSS THE REGION BEHIND A COLD
FRONT LATE TONIGHT AND THURSDAY MORNING. THE COMBINATION WILL
PRODUCE WINDY AND MUCH COLDER WEATHER WITH WIDESPREAD SNOW AND
BLOWING SNOW OVER SOUTHEAST WYOMING AND THE WESTERN NEBRASKA
PANHANDLE LATE TONIGHT THROUGH FRIDAY EVENING.

NEZ002-003-095-096-WYZ101-102-106>108-301200-
/O.CON.KCYS.BZ.W.0001.101230T0600Z-110101T0700Z/
DAWES-BOX BUTTE-NORTH SIOUX-SOUTH SIOUX-
CONVERSE COUNTY LOWER ELEVATIONS-NIOBRARA COUNTY-
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
EAST PLATTE COUNTY-GOSHEN COUNTY-
INCLUDING THE CITIES OF...CHADRON...ALLIANCE...HARRISON...AGATE...
DOUGLAS...GLENROCK...LUSK...BORDEAUX...GLENDO...WHEATLAND...
CHUGWATER...GUERNSEY...TORRINGTON
900 PM MST WED DEC 29 2010

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST FRIDAY
NIGHT...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST FRIDAY
NIGHT. 

* TIMING...11 PM THIS EVENING THROUGH MIDNIGHT SATURDAY.

* TOTAL SNOW ACCUMULATIONS...8 TO 12 INCHES.

* WINDS/VISIBILITIES...WINDS WILL BECOME NORTHERLY LATE TONIGHT 
  AND THURSDAY MORNING WITH GUSTS BETWEEN 25 AND 35 MPH. THE 
  STRONG NORTHERLY WINDS WILL CONTINUE THROUGH FRIDAY EVENING... 
  NEW YEARS EVE. WIDESPREAD BLOWING SNOW AND SNOW WILL REDUCE 
  VISIBILITIES TO FREQUENTLY LESS THAN ONE QUARTER MILE. 

* IMPACTS...TRAVEL AND OUTDOOR ACTIVITIES WILL BECOME EXTREMELY 
  HAZARDOUS OR EVEN IMPOSSIBLE DUE TO THE SNOW...BLOWING SNOW 
  AND EXTREMELY COLD WIND CHILL TEMPERATURES. ROADS WILL BE 
  SNOWPACKED AND SLICK AND WIND CHILL VALUES WILL BE BETWEEN 20 
  AND 35 BELOW ZERO THURSDAY NIGHT THROUGH FRIDAY NIGHT. 
  ACCUMULATING SNOWFALL WILL DIMINISH FRIDAY AFTERNOON...BUT 
  HAZARDS ASSOCIATED WITH THE BLOWING SNOW AND DANGEROUSLY COLD 
  WIND CHILLS WILL CONTINUE THROUGH THE EVENING HOURS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE. FOR SPECIFIC ROAD AND TRAVEL
CONDITIONS IN WYOMING AND NEBRASKA...DIAL 5 1 1.

&&

$$

NEZ019>021-054-055-WYZ116>119-301200-
/O.CON.KCYS.BZ.W.0001.101230T1300Z-110101T0700Z/
SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE-SOUTH LARAMIE RANGE-
SOUTH LARAMIE RANGE FOOTHILLS-CENTRAL LARAMIE COUNTY-
EAST LARAMIE COUNTY-
INCLUDING THE CITIES OF...SCOTTSBLUFF...GERING...HARRISBURG...
BRIDGEPORT...BAYARD...KIMBALL...SIDNEY...VEDAUWOO...BUFORD...
PUMPKIN VINE...HORSE CREEK...HARRIMAN...WHITAKER...CHEYENNE...
BURNS...CARPENTER...ALBIN...PINE BLUFFS
900 PM MST WED DEC 29 2010

...BLIZZARD WARNING REMAINS IN EFFECT FROM 6 AM THURSDAY TO
MIDNIGHT MST FRIDAY NIGHT...

A BLIZZARD WARNING REMAINS IN EFFECT FROM 6 AM THURSDAY TO
MIDNIGHT MST FRIDAY NIGHT. 

* TIMING...6 AM THURSDAY THROUGH MIDNIGHT SATURDAY.

* TOTAL SNOW ACCUMULATIONS...8 TO 12 INCHES.

* WINDS/VISIBILITIES...WINDS WILL BECOME NORTHERLY LATE TONIGHT
  AND THURSDAY MORNING WITH GUSTS BETWEEN 20 AND 30 MPH. THE
  STRONG NORTHERLY WINDS WILL CONTINUE THROUGH FRIDAY EVENING...
  NEW YEARS EVE. WIDESPREAD BLOWING SNOW AND SNOW WILL REDUCE
  VISIBILITIES TO FREQUENTLY LESS THAN ONE QUARTER MILE.

* IMPACTS...TRAVEL AND OUTDOOR ACTIVITIES WILL BECOME EXTREMELY 
  HAZARDOUS OR EVEN IMPOSSIBLE DUE TO THE SNOW...BLOWING SNOW 
  AND EXTREMELY COLD WIND CHILL TEMPERATURES. ROADS WILL BE 
  SNOWPACKED AND SLICK AND WIND CHILL VALUES WILL BE BETWEEN 20 
  AND 35 BELOW ZERO THURSDAY NIGHT THROUGH FRIDAY NIGHT. 
  ACCUMULATING SNOWFALL WILL DIMINISH EARLY FRIDAY AFTERNOON...
  BUT HAZARDS ASSOCIATED WITH THE BLOWING SNOW AND DANGEROUSLY 
  COLD WIND CHILLS WILL CONTINUE THROUGH THE EVENING HOURS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE. FOR SPECIFIC ROAD AND TRAVEL
CONDITIONS IN WYOMING AND NEBRASKA...DIAL 5 1 1.

&&

$$

WYZ103>105-109>115-301200-
/O.CON.KCYS.WS.W.0014.101230T0600Z-110101T0700Z/
NORTH LARAMIE RANGE-FERRIS/SEMINOE/SHIRLEY MOUNTAINS-
SHIRLEY BASIN-CENTRAL CARBON COUNTY-NORTH SNOWY RANGE FOOTHILLS-
SOUTHWEST CARBON COUNTY-SIERRA MADRE RANGE-
UPPER NORTH PLATTE RIVER BASIN-SNOWY RANGE-LARAMIE VALLEY-
INCLUDING THE CITIES OF...MUDDY GAP...MEDICINE BOW...RAWLINS...
SINCLAIR...HANNA...ARLINGTON...ELK MOUNTAIN...BAGGS...DIXON...
SARATOGA...ENCAMPMENT...RIVERSIDE...CENTENNIAL...ALBANY...
WOODS LANDING...LARAMIE
900 PM MST WED DEC 29 2010

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST
FRIDAY NIGHT...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST
FRIDAY NIGHT. 

* TIMING...11 PM WEDNESDAY TO MIDNIGHT FRIDAY NIGHT.

* TOTAL SNOW ACCUMULATIONS...6 TO 10 INCHES OVER THE LOWER 
  ELEVATIONS AND 16 TO 20 INCHES OVER THE NORTH LARAMIE RANGE 
  AND SNOWY AND SIERRA MADRE RANGES BY FRIDAY EVENING. 

* WINDS/VISIBILITIES...WINDS WILL BECOME NORTHERLY LATE TONIGHT
  INTO THURSDAY MORNING WITH GUSTS BETWEEN 20 AND 35 MPH. THE
  STRONG NORTHERLY WINDS WILL CONTINUE THROUGH FRIDAY AFTERNOON
  BEFORE BEGINNING TO DIMINISH DURING THE EVENING HOURS. BLOWING
  SNOW AND SNOW WILL REDUCE VISIBILITIES TO FREQUENTLY LESS THAN
  ONE HALF MILE.

* IMPACTS...TRAVEL AND OUTDOOR ACTIVITIES WILL BECOME HAZARDOUS 
  DUE TO THE SNOW...BLOWING SNOW AND COLD TEMPERATURES. ROADS 
  WILL BE SNOWPACKED AND SLICK AND WIND CHILL VALUES WILL BE 
  BETWEEN 20 AND 35 DEGREES BELOW ZERO. CONSIDER DELAYING TRAVEL 
  PLANS UNTIL AFTER THE STORM HAS PASSED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW AND STRONG WINDS 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.

LISTEN TO NOAA WEATHER RADIO OR YOUR LOCAL MEDIA FOR THE LATER
UPDATES ON THIS SITUATION.

&&

$$
356 
WWUS45 KCYS 301156
WSWCYS

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
456 AM MST THU DEC 30 2010

...STRONG WINTER STORM TO IMPACT THE AREA LATE TONIGHT THROUGH FRIDAY
EVENING...

.A WINTER STORM SYSTEM WILL MOVE ACROSS THE CENTRAL ROCKIES TODAY
AND TONIGHT...AND ACROSS THE PLAINS ON FRIDAY.  VERY COLD AIR WILL
CONTINUE TO STREAM INTO THE AREA TODAY. THE STORM SYSTEM WILL PRODUCE
WINDY AND MUCH COLDER WEATHER WITH WIDESPREAD SNOW AND BLOWING
SNOW OVER SOUTHEAST WYOMING AND THE WESTERN NEBRASKA TODAY THROUGH
FRIDAY EVENING.

NEZ002-003-095-096-WYZ101-102-106>108-302315-
/O.CON.KCYS.BZ.W.0001.000000T0000Z-110101T0700Z/
DAWES-BOX BUTTE-NORTH SIOUX-SOUTH SIOUX-
CONVERSE COUNTY LOWER ELEVATIONS-NIOBRARA COUNTY-
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
EAST PLATTE COUNTY-GOSHEN COUNTY-
INCLUDING THE CITIES OF...CHADRON...ALLIANCE...HARRISON...AGATE...
DOUGLAS...GLENROCK...LUSK...BORDEAUX...GLENDO...WHEATLAND...
CHUGWATER...GUERNSEY...TORRINGTON
456 AM MST THU DEC 30 2010

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST FRIDAY
NIGHT...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST FRIDAY
NIGHT. 

* TIMING...THROUGH MIDNIGHT FRIDAY NIGHT.

* TOTAL SNOW ACCUMULATIONS...6 TO 9 INCHES BY FRIDAY EVENING.

* WINDS/VISIBILITIES...WINDS WILL BE OUT OF THE NORTH AT 15 TO 25
  MPH WITH GUSTS UP TO 35 MPH. THE STRONG NORTHERLY WINDS WILL
  CONTINUE THROUGH NEW YEARS EVE. WIDESPREAD BLOWING SNOW AND SNOW
  WILL REDUCE VISIBILITIES TO FREQUENTLY LESS THAN ONE QUARTER
  MILE.

* IMPACTS...TRAVEL AND OUTDOOR ACTIVITIES WILL BECOME EXTREMELY
  HAZARDOUS OR EVEN IMPOSSIBLE DUE TO THE SNOW...BLOWING SNOW AND
  EXTREMELY COLD WIND CHILL TEMPERATURES. ROADS WILL BE SNOWPACKED
  AND SLICK AND WIND CHILL VALUES WILL BE BETWEEN 20 AND 35 BELOW
  ZERO TONIGHT THROUGH FRIDAY NIGHT. ACCUMULATING SNOWFALL WILL
  DIMINISH FRIDAY AFTERNOON...BUT HAZARDS ASSOCIATED WITH THE
  BLOWING SNOW AND DANGEROUSLY COLD WIND CHILLS WILL CONTINUE
  THROUGH THE EVENING HOURS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE. FOR SPECIFIC ROAD AND TRAVEL
CONDITIONS IN WYOMING AND NEBRASKA...DIAL 5 1 1.

&&

$$

NEZ019>021-054-055-WYZ116>119-302315-
/O.CON.KCYS.BZ.W.0001.101230T1300Z-110101T0700Z/
SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE-SOUTH LARAMIE RANGE-
SOUTH LARAMIE RANGE FOOTHILLS-CENTRAL LARAMIE COUNTY-
EAST LARAMIE COUNTY-
INCLUDING THE CITIES OF...SCOTTSBLUFF...GERING...HARRISBURG...
BRIDGEPORT...BAYARD...KIMBALL...SIDNEY...VEDAUWOO...BUFORD...
PUMPKIN VINE...HORSE CREEK...HARRIMAN...WHITAKER...CHEYENNE...
BURNS...CARPENTER...ALBIN...PINE BLUFFS
456 AM MST THU DEC 30 2010

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST FRIDAY
NIGHT...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST FRIDAY
NIGHT. 

* TIMING...6 AM THIS MORNING THROUGH MIDNIGHT FRIDAY NIGHT.

* TOTAL SNOW ACCUMULATIONS...5 TO 9 INCHES BY FRIDAY EVENING.

* WINDS/VISIBILITIES...WINDS WILL BE OUT OF THE NORTH AT 10 TO 20 MPH
  WITH GUSTS UP TO 30 MPH. THE STRONG NORTHERLY WINDS WILL
  CONTINUE THROUGH NEW YEARS EVE. WIDESPREAD BLOWING SNOW AND SNOW
  WILL REDUCE VISIBILITIES TO FREQUENTLY LESS THAN ONE QUARTER
  MILE.

* IMPACTS...TRAVEL AND OUTDOOR ACTIVITIES WILL BECOME EXTREMELY
  HAZARDOUS OR EVEN IMPOSSIBLE DUE TO THE SNOW...BLOWING SNOW AND
  EXTREMELY COLD WIND CHILL TEMPERATURES. ROADS WILL BE SNOWPACKED
  AND SLICK AND WIND CHILL VALUES WILL BE BETWEEN 20 AND 35 BELOW
  ZERO TONIGHT THROUGH FRIDAY NIGHT. ACCUMULATING SNOWFALL WILL
  DIMINISH EARLY FRIDAY AFTERNOON... BUT HAZARDS ASSOCIATED WITH
  THE BLOWING SNOW AND DANGEROUSLY COLD WIND CHILLS WILL CONTINUE
  THROUGH THE EVENING HOURS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE. FOR SPECIFIC ROAD AND TRAVEL
CONDITIONS IN WYOMING AND NEBRASKA...DIAL 5 1 1.

&&

$$

WYZ103>105-109>115-302315-
/O.CON.KCYS.WS.W.0014.000000T0000Z-110101T0700Z/
NORTH LARAMIE RANGE-FERRIS/SEMINOE/SHIRLEY MOUNTAINS-
SHIRLEY BASIN-CENTRAL CARBON COUNTY-NORTH SNOWY RANGE FOOTHILLS-
SOUTHWEST CARBON COUNTY-SIERRA MADRE RANGE-
UPPER NORTH PLATTE RIVER BASIN-SNOWY RANGE-LARAMIE VALLEY-
INCLUDING THE CITIES OF...MUDDY GAP...MEDICINE BOW...RAWLINS...
SINCLAIR...HANNA...ARLINGTON...ELK MOUNTAIN...BAGGS...DIXON...
SARATOGA...ENCAMPMENT...RIVERSIDE...CENTENNIAL...ALBANY...
WOODS LANDING...LARAMIE
456 AM MST THU DEC 30 2010

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST
FRIDAY NIGHT...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST
FRIDAY NIGHT. 

* TIMING...11 PM WEDNESDAY TO MIDNIGHT FRIDAY NIGHT.

* TOTAL SNOW ACCUMULATIONS...6 TO 9 INCHES OVER THE LOWER
  ELEVATIONS AND 15 TO 20 INCHES OVER THE NORTH LARAMIE RANGE AND
  SNOWY AND SIERRA MADRE RANGES BY FRIDAY EVENING.

* WINDS/VISIBILITIES...WINDS WILL BE OUT OF THE NORTH AT 10 TO 20
  MPH WITH GUSTS UP TO 30 MPH. THE STRONG NORTHERLY WINDS WILL
  CONTINUE THROUGH FRIDAY AFTERNOON BEFORE BEGINNING TO DIMINISH
  DURING THE EVENING HOURS. BLOWING SNOW AND SNOW WILL REDUCE
  VISIBILITIES TO FREQUENTLY LESS THAN ONE HALF MILE.

* IMPACTS...TRAVEL AND OUTDOOR ACTIVITIES WILL BECOME HAZARDOUS 
  DUE TO THE SNOW...BLOWING SNOW AND COLD TEMPERATURES. ROADS 
  WILL BE SNOWPACKED AND SLICK AND WIND CHILL VALUES WILL BE 
  BETWEEN 20 AND 35 DEGREES BELOW ZERO. CONSIDER DELAYING TRAVEL 
  PLANS UNTIL AFTER THE STORM HAS PASSED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW AND STRONG WINDS 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.

LISTEN TO NOAA WEATHER RADIO OR YOUR LOCAL MEDIA FOR THE LATER
UPDATES ON THIS SITUATION.

&&

$$
KMD
843 
WWUS45 KCYS 301839
WSWCYS

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
1139 AM MST THU DEC 30 2010

...STRONG WINTER STORM TO IMPACT THE AREA THROUGH FRIDAY
EVENING...

.A WINTER STORM SYSTEM WILL MOVE ACROSS THE CENTRAL ROCKIES TODAY
AND TONIGHT...AND ACROSS THE PLAINS ON FRIDAY. TEMPERATURES WILL
FALL THROUGH THE DAY TODAY AS VERY COLD AIR STREAMS IN FROM THE
NORTH. THE STORM SYSTEM WILL PRODUCE INCREASINGLY WINDY AND MUCH
COLDER WEATHER WITH WIDESPREAD SNOW AND BLOWING SNOW OVER
SOUTHEAST WYOMING AND THE WESTERN NEBRASKA TODAY THROUGH FRIDAY
EVENING. THE GREATEST SNOWFALL RATES WILL LIKELY OCCUR LATER TODAY
THROUGH FRIDAY MORNING.

NEZ002-003-095-096-WYZ101-102-106>108-310700-
/O.CON.KCYS.BZ.W.0001.000000T0000Z-110101T0700Z/
DAWES-BOX BUTTE-NORTH SIOUX-SOUTH SIOUX-
CONVERSE COUNTY LOWER ELEVATIONS-NIOBRARA COUNTY-
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
EAST PLATTE COUNTY-GOSHEN COUNTY-
INCLUDING THE CITIES OF...CHADRON...ALLIANCE...HARRISON...AGATE...
DOUGLAS...GLENROCK...LUSK...BORDEAUX...GLENDO...WHEATLAND...
CHUGWATER...GUERNSEY...TORRINGTON
1139 AM MST THU DEC 30 2010

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST FRIDAY
NIGHT...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST FRIDAY
NIGHT. 

* TIMING...THROUGH MIDNIGHT FRIDAY NIGHT. THE HEAVIEST SNOWFALL
  RATES WILL OCCUR LATE TONIGHT THROUGH FRIDAY MORNING.

* TOTAL SNOW ACCUMULATIONS...6 TO 10 INCHES WITH UPWARDS OF ONE
  FOOT IN THE NORTHERN NEBRASKA PANHANDLE.

* WINDS/VISIBILITIES...WINDS WILL BE OUT OF THE NORTH AT 15 TO 25
  MPH WITH GUSTS UP TO 35 MPH. THE STRONG NORTH WINDS WILL TURN
  NORTHWEST ON FRIDAY. WIDESPREAD SNOW AND BLOWING SNOW WILL
  REDUCE VISIBILITIES TO LESS THAN ONE QUARTER MILE ESPECIALLY
  OVER OPEN AREAS.

* IMPACTS...TRAVEL AND OUTDOOR ACTIVITIES WILL BECOME EXTREMELY 
  HAZARDOUS OR EVEN IMPOSSIBLE DUE TO THE SNOW...BLOWING SNOW 
  AND EXTREMELY COLD WIND CHILL TEMPERATURES. ROADS WILL BE 
  SNOWPACKED AND SLICK AND WIND CHILL VALUES WILL BE BETWEEN 20 
  AND 35 BELOW ZERO TONIGHT THROUGH FRIDAY NIGHT. ACCUMULATING 
  SNOWFALL WILL DIMINISH FRIDAY AFTERNOON...BUT HAZARDS 
  ASSOCIATED WITH THE BLOWING SNOW AND DANGEROUSLY COLD WIND 
  CHILLS WILL CONTINUE THROUGH FRIDAY EVENING. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE. FOR SPECIFIC ROAD AND TRAVEL
CONDITIONS IN WYOMING AND NEBRASKA...DIAL 5 1 1.

&&

$$

NEZ019>021-054-055-WYZ116>119-310700-
/O.CON.KCYS.BZ.W.0001.000000T0000Z-110101T0700Z/
SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE-SOUTH LARAMIE RANGE-
SOUTH LARAMIE RANGE FOOTHILLS-CENTRAL LARAMIE COUNTY-
EAST LARAMIE COUNTY-
INCLUDING THE CITIES OF...SCOTTSBLUFF...GERING...HARRISBURG...
BRIDGEPORT...BAYARD...KIMBALL...SIDNEY...VEDAUWOO...BUFORD...
PUMPKIN VINE...HORSE CREEK...HARRIMAN...WHITAKER...CHEYENNE...
BURNS...CARPENTER...ALBIN...PINE BLUFFS
1139 AM MST THU DEC 30 2010

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST FRIDAY
NIGHT...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST FRIDAY
NIGHT. 

* TIMING...THROUGH MIDNIGHT FRIDAY NIGHT. THE HIGHEST SNOWFALL
  RATES WILL OCCUR LATE THIS AFTERNOON THROUGH TONIGHT.

* TOTAL SNOW ACCUMULATIONS...6 TO 10 INCHES BY FRIDAY EVENING.

* WINDS/VISIBILITIES...WINDS WILL BE OUT OF THE NORTH AT 10 TO 20
  MPH WITH GUSTS UP TO 30 MPH. THE STRONG NORTH WINDS WILL TURN
  NORTHWEST ON FRIDAY. WIDESPREAD SNOW AND BLOWING SNOW WILL
  REDUCE VISIBILITIES LESS THAN ONE QUARTER MILE ESPECIALLY OVER
  OPEN AREAS.

* IMPACTS...TRAVEL AND OUTDOOR ACTIVITIES WILL BECOME EXTREMELY 
  HAZARDOUS OR EVEN IMPOSSIBLE DUE TO THE SNOW...BLOWING SNOW 
  AND EXTREMELY COLD WIND CHILL TEMPERATURES. ROADS WILL BE 
  SNOWPACKED AND SLICK AND WIND CHILL VALUES WILL BE BETWEEN 20 
  AND 35 BELOW ZERO TONIGHT THROUGH FRIDAY NIGHT. ACCUMULATING 
  SNOWFALL WILL DIMINISH EARLY FRIDAY AFTERNOON... BUT HAZARDS 
  ASSOCIATED WITH THE BLOWING SNOW AND DANGEROUSLY COLD WIND 
  CHILLS WILL CONTINUE THROUGH FRIDAY EVENING. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE. FOR SPECIFIC ROAD AND TRAVEL
CONDITIONS IN WYOMING AND NEBRASKA...DIAL 5 1 1.

&&

$$

WYZ103>105-109>115-310700-
/O.CON.KCYS.WS.W.0014.000000T0000Z-110101T0700Z/
NORTH LARAMIE RANGE-FERRIS/SEMINOE/SHIRLEY MOUNTAINS-
SHIRLEY BASIN-CENTRAL CARBON COUNTY-NORTH SNOWY RANGE FOOTHILLS-
SOUTHWEST CARBON COUNTY-SIERRA MADRE RANGE-
UPPER NORTH PLATTE RIVER BASIN-SNOWY RANGE-LARAMIE VALLEY-
INCLUDING THE CITIES OF...MUDDY GAP...MEDICINE BOW...RAWLINS...
SINCLAIR...HANNA...ARLINGTON...ELK MOUNTAIN...BAGGS...DIXON...
SARATOGA...ENCAMPMENT...RIVERSIDE...CENTENNIAL...ALBANY...
WOODS LANDING...LARAMIE
1139 AM MST THU DEC 30 2010

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST
FRIDAY NIGHT...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST
FRIDAY NIGHT. 

* TIMING...THROUGH MIDNIGHT FRIDAY NIGHT.

* TOTAL SNOW ACCUMULATIONS...5 TO 9 INCHES OVER THE LOWER 
  ELEVATIONS AND 12 TO 20 INCHES OVER THE NORTH LARAMIE RANGE 
  AND SNOWY AND SIERRA MADRE RANGES BY FRIDAY EVENING. 

* WINDS/VISIBILITIES...WINDS WILL BE OUT OF THE NORTH AT 10 TO 
  20 MPH WITH GUSTS UP TO 30 MPH. THE STRONG NORTHERLY WINDS 
  WILL CONTINUE THROUGH FRIDAY AFTERNOON BEFORE BEGINNING TO 
  DIMINISH DURING THE EVENING HOURS. BLOWING SNOW AND SNOW WILL 
  REDUCE VISIBILITIES TO FREQUENTLY LESS THAN ONE HALF MILE. 

* IMPACTS...TRAVEL AND OUTDOOR ACTIVITIES WILL BECOME HAZARDOUS 
  DUE TO THE SNOW...BLOWING SNOW AND COLD TEMPERATURES. ROADS 
  WILL BE SNOWPACKED AND SLICK AND WIND CHILL VALUES WILL BE 
  BETWEEN 20 AND 35 DEGREES BELOW ZERO. CONSIDER DELAYING TRAVEL 
  PLANS UNTIL AFTER THE STORM HAS PASSED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW AND STRONG WINDS 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.

LISTEN TO NOAA WEATHER RADIO OR YOUR LOCAL MEDIA FOR THE LATER
UPDATES ON THIS SITUATION.

&&

$$
782 
WWUS45 KCYS 310426
WSWCYS

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
926 PM MST THU DEC 30 2010

...STRONG WINTER STORM TO IMPACT THE AREA THROUGH FRIDAY
EVENING...

.A WINTER STORM SYSTEM WILL MOVE INTO THE CENTRAL PLAINS ON
FRIDAY. THE STORM SYSTEM WILL PRODUCE INCREASINGLY WINDY AND MUCH
COLDER WEATHER WITH WIDESPREAD SNOW AND BLOWING SNOW OVER
SOUTHEAST WYOMING AND THE WESTERN NEBRASKA THROUGH FRIDAY EVENING.
THE GREATEST SNOWFALL RATES WILL LIKELY OCCUR INTO EARLY FRIDAY
MORNING BEFORE TAPERING OFF DURING THE DAY.

NEZ002-003-095-096-WYZ101-102-106>108-311700-
/O.CON.KCYS.BZ.W.0001.000000T0000Z-110101T0700Z/
DAWES-BOX BUTTE-NORTH SIOUX-SOUTH SIOUX-
CONVERSE COUNTY LOWER ELEVATIONS-NIOBRARA COUNTY-
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
EAST PLATTE COUNTY-GOSHEN COUNTY-
INCLUDING THE CITIES OF...CHADRON...ALLIANCE...HARRISON...AGATE...
DOUGLAS...GLENROCK...LUSK...BORDEAUX...GLENDO...WHEATLAND...
CHUGWATER...GUERNSEY...TORRINGTON
926 PM MST THU DEC 30 2010

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST FRIDAY
NIGHT...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST FRIDAY
NIGHT. 

* TIMING...THROUGH MIDNIGHT FRIDAY NIGHT. THE HEAVIEST SNOWFALL
  RATES WILL OCCUR INTO FRIDAY MORNING.

* TOTAL SNOW ACCUMULATIONS...4 TO 7 INCHES WITH UPWARDS OF NINE
  INCHES OVER THE NORTHERN NEBRASKA PANHANDLE.

* WINDS/VISIBILITIES...WINDS WILL BE OUT OF THE NORTH AT 10 TO 20
  MPH OVERNIGHT THEN INCREASE OUT OF THE NORTHWEST ON FRIDAY.
  WIDESPREAD SNOW AND BLOWING SNOW WILL REDUCE VISIBILITIES TO
  LESS THAN ONE QUARTER MILE ESPECIALLY OVER OPEN AREAS...MAINLY
  ON FRIDAY.

* IMPACTS...TRAVEL AND OUTDOOR ACTIVITIES WILL BE EXTREMELY
  HAZARDOUS OR EVEN IMPOSSIBLE DUE TO THE SNOW...BLOWING SNOW AND
  EXTREMELY COLD WIND CHILL TEMPERATURES. ROADS WILL BE SNOWPACKED
  AND SLICK AND WIND CHILL VALUES WILL BE BETWEEN 15 AND 25 BELOW
  ZERO TONIGHT THROUGH FRIDAY NIGHT. ACCUMULATING SNOWFALL WILL
  DIMINISH FRIDAY AFTERNOON...BUT HAZARDS ASSOCIATED WITH THE
  BLOWING SNOW AND DANGEROUSLY COLD WIND CHILLS WILL CONTINUE
  THROUGH FRIDAY EVENING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE. FOR SPECIFIC ROAD AND TRAVEL
CONDITIONS IN WYOMING AND NEBRASKA...DIAL 5 1 1.

&&

$$

NEZ019>021-054-055-WYZ116>119-311700-
/O.CON.KCYS.BZ.W.0001.000000T0000Z-110101T0700Z/
SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE-SOUTH LARAMIE RANGE-
SOUTH LARAMIE RANGE FOOTHILLS-CENTRAL LARAMIE COUNTY-
EAST LARAMIE COUNTY-
INCLUDING THE CITIES OF...SCOTTSBLUFF...GERING...HARRISBURG...
BRIDGEPORT...BAYARD...KIMBALL...SIDNEY...VEDAUWOO...BUFORD...
PUMPKIN VINE...HORSE CREEK...HARRIMAN...WHITAKER...CHEYENNE...
BURNS...CARPENTER...ALBIN...PINE BLUFFS
926 PM MST THU DEC 30 2010

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST FRIDAY
NIGHT...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST FRIDAY
NIGHT. 

* TIMING...THROUGH MIDNIGHT FRIDAY NIGHT. MOST OF THE SNOW IS
  EXPECTED TO FALL OVERNIGHT THEN DIMINISH ON FRIDAY.

* TOTAL SNOW ACCUMULATIONS...5 TO 8 INCHES BY FRIDAY EVENING.

* WINDS/VISIBILITIES...WINDS WILL BE OUT OF THE NORTH AT 10 TO 
  20 MPH WITH GUSTS UP TO 30 MPH. THE STRONG NORTH WINDS WILL 
  TURN NORTHWEST ON FRIDAY. WIDESPREAD SNOW AND BLOWING SNOW 
  WILL REDUCE VISIBILITIES LESS THAN ONE QUARTER MILE ESPECIALLY 
  OVER OPEN AREAS FRIDAY. 

* IMPACTS...TRAVEL AND OUTDOOR ACTIVITIES WILL BE EXTREMELY
  HAZARDOUS OR EVEN IMPOSSIBLE DUE TO THE SNOW...BLOWING SNOW AND
  EXTREMELY COLD WIND CHILL TEMPERATURES. ROADS WILL BE SNOWPACKED
  AND SLICK AND WIND CHILL VALUES WILL BE BETWEEN 20 AND 35 BELOW
  ZERO TONIGHT THROUGH FRIDAY NIGHT. ACCUMULATING SNOWFALL WILL
  DIMINISH EARLY FRIDAY AFTERNOON... BUT HAZARDS ASSOCIATED WITH
  THE BLOWING SNOW AND DANGEROUSLY COLD WIND CHILLS WILL CONTINUE
  THROUGH FRIDAY EVENING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE. FOR SPECIFIC ROAD AND TRAVEL
CONDITIONS IN WYOMING AND NEBRASKA...DIAL 5 1 1.

&&

$$

WYZ103>105-109>115-311700-
/O.CON.KCYS.WS.W.0014.000000T0000Z-110101T0700Z/
NORTH LARAMIE RANGE-FERRIS/SEMINOE/SHIRLEY MOUNTAINS-
SHIRLEY BASIN-CENTRAL CARBON COUNTY-NORTH SNOWY RANGE FOOTHILLS-
SOUTHWEST CARBON COUNTY-SIERRA MADRE RANGE-
UPPER NORTH PLATTE RIVER BASIN-SNOWY RANGE-LARAMIE VALLEY-
INCLUDING THE CITIES OF...MUDDY GAP...MEDICINE BOW...RAWLINS...
SINCLAIR...HANNA...ARLINGTON...ELK MOUNTAIN...BAGGS...DIXON...
SARATOGA...ENCAMPMENT...RIVERSIDE...CENTENNIAL...ALBANY...
WOODS LANDING...LARAMIE
926 PM MST THU DEC 30 2010

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST
FRIDAY NIGHT...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST
FRIDAY NIGHT. 

* TIMING...THROUGH MIDNIGHT FRIDAY NIGHT.

* TOTAL SNOW ACCUMULATIONS...4 TO 7 INCHES OVER THE LOWER
  ELEVATIONS AND 10 TO 18 INCHES OVER THE NORTH LARAMIE RANGE AND
  SNOWY AND SIERRA MADRE RANGES BY FRIDAY EVENING.

* WINDS/VISIBILITIES...WINDS WILL BE OUT OF THE NORTH AT 10 TO 
  20 MPH WITH GUSTS UP TO 30 MPH. THE STRONG NORTHERLY WINDS 
  WILL CONTINUE THROUGH FRIDAY AFTERNOON BEFORE BEGINNING TO 
  DIMINISH DURING THE EVENING HOURS. BLOWING SNOW AND SNOW WILL 
  REDUCE VISIBILITIES TO FREQUENTLY LESS THAN ONE HALF MILE. 

* IMPACTS...TRAVEL AND OUTDOOR ACTIVITIES WILL BECOME HAZARDOUS 
  DUE TO THE SNOW...BLOWING SNOW AND COLD TEMPERATURES. ROADS 
  WILL BE SNOWPACKED AND SLICK AND WIND CHILL VALUES WILL BE 
  BETWEEN 20 AND 35 DEGREES BELOW ZERO. CONSIDER DELAYING TRAVEL 
  PLANS UNTIL AFTER THE STORM HAS PASSED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW AND STRONG WINDS 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.

LISTEN TO NOAA WEATHER RADIO OR YOUR LOCAL MEDIA FOR THE LATER
UPDATES ON THIS SITUATION.

&&

$$
047 
WWUS45 KCYS 311131
WSWCYS

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
431 AM MST FRI DEC 31 2010

...STRONG WINTER STORM TO CONTINUE IMPACTING THE AREA THROUGH
THIS EVENING...

.A WINTER STORM SYSTEM WILL MOVE FROM NORTHEASTERN COLORADO INTO
EASTERN SOUTH DAKOTA THROUGH THE DAY TODAY. SOUTHEAST WYOMING AND
THE NEBRASKA PANHANDLE WILL REMAIN IN THE WRAP AROUND MOISTURE TO
THE NORTH AND WEST OF THIS LOW THROUGH THE DAY. AS THE LOW PASSES
THROUGH WESTERN NEBRASKA LATER THIS MORNING INTO THE
AFTERNOON...STRONG NORTHWEST WINDS WILL CONTINUE TO CAUSE
WIDSPREAD BLOWING AND DRIFTING SNOW...CAUSING WHITEOUT CONDITIONS. THE
GREATEST SNOWFALL RATES WILL LIKELY OCCUR FROM THIS MORNING
THROUGH MID AFTERNOON BEFORE TAPERING OFF DURING THE DAY.

NEZ002-003-095-096-WYZ101-102-106>108-010000-
/O.CON.KCYS.BZ.W.0001.000000T0000Z-110101T0700Z/
DAWES-BOX BUTTE-NORTH SIOUX-SOUTH SIOUX-
CONVERSE COUNTY LOWER ELEVATIONS-NIOBRARA COUNTY-
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
EAST PLATTE COUNTY-GOSHEN COUNTY-
INCLUDING THE CITIES OF...CHADRON...ALLIANCE...HARRISON...AGATE...
DOUGLAS...GLENROCK...LUSK...BORDEAUX...GLENDO...WHEATLAND...
CHUGWATER...GUERNSEY...TORRINGTON
431 AM MST FRI DEC 31 2010

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST
TONIGHT...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT. 

* TIMING...THROUGH MIDNIGHT TONIGHT. THE HEAVIEST SNOWFALL RATES
  WILL OCCUR THIS MORNING.

* TOTAL SNOW ACCUMULATIONS...6 TO 12 INCHES WITH SNOW DRIFTS
  REACHING SEVERAL FEET IN DEPTH.

* WINDS/VISIBILITIES...WINDS WILL BE OUT OF THE NORTH AT 10 TO 20
  MPH OVERNIGHT THEN INCREASE OUT OF THE NORTHWEST 15 TO 25 MPH
  WITH GUSTS TO 40 MPH LATER THIS MORNING AND AFTERNOON.
  WIDESPREAD SNOW AND BLOWING SNOW WILL REDUCE VISIBILITIES TO
  ZERO AT TIMES...ESPECIALLY OVER OPEN AREAS. ADDITIONALLY...WIND
  CHILL VALUES WILL REMAIN AT MINUS 20 TO MINUS 30 DEGREES THROUGH
  THE DAY. PROLONGED EXPOSURE TO THESE TYPE OF WIND CHILLS WILL
  CAUSE FROST BITE TO EXPOSED SKIN.

* IMPACTS...TRAVEL AND OUTDOOR ACTIVITIES WILL BE EXTREMELY
  HAZARDOUS OR EVEN IMPOSSIBLE DUE TO THE SNOW...BLOWING SNOW AND
  EXTREMELY COLD WIND CHILL TEMPERATURES. ROADS WILL BE SNOWPACKED
  AND SLICK THROUGH TONIGHT. ACCUMULATING SNOWFALL WILL DIMINISH
  THIS AFTERNOON...BUT HAZARDS ASSOCIATED WITH THE BLOWING SNOW
  AND DANGEROUSLY COLD WIND CHILLS WILL CONTINUE THROUGH FRIDAY
  EVENING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE. FOR SPECIFIC ROAD AND TRAVEL
CONDITIONS IN WYOMING AND NEBRASKA...DIAL 5 1 1.

&&

$$

NEZ019>021-054-055-WYZ116>119-010000-
/O.CON.KCYS.BZ.W.0001.000000T0000Z-110101T0700Z/
SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE-SOUTH LARAMIE RANGE-
SOUTH LARAMIE RANGE FOOTHILLS-CENTRAL LARAMIE COUNTY-
EAST LARAMIE COUNTY-
INCLUDING THE CITIES OF...SCOTTSBLUFF...GERING...HARRISBURG...
BRIDGEPORT...BAYARD...KIMBALL...SIDNEY...VEDAUWOO...BUFORD...
PUMPKIN VINE...HORSE CREEK...HARRIMAN...WHITAKER...CHEYENNE...
BURNS...CARPENTER...ALBIN...PINE BLUFFS
431 AM MST FRI DEC 31 2010

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST
TONIGHT...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT. 

* TIMING...THROUGH MIDNIGHT TONIGHT. MOST OF THE SNOW IS EXPECTED
  TO FALL THIS MORNING AND GRADUALLY DIMINISH THROUGH THE
  AFTERNOON. 

* TOTAL SNOW ACCUMULATIONS...8 TO 14 INCHES WITH SNOW DRIFTS
  REACHING 4 TO 5 FEET BY THIS EVENING.

* WINDS/VISIBILITIES...WINDS WILL BE OUT OF THE NORTH AT 15 TO
  25MPH WITH GUSTS UP TO 35 MPH. THE STRONG NORTH WINDS WILL TURN
  NORTHWEST THJIS AFTERNOON. WIDESPREAD SNOW AND BLOWING SNOW WILL
  REDUCE VISIBILITIES LESS THAN ONE QUARTER MILE ESPECIALLY OVER
  OPEN AREAS. ADDITIONALLY...WIND CHILL VALUES WILL REMAIN AT
  MINUS 20 TO MINUS 35 DEGREES THROUGH THE DAY. PROLONGED
  EXPOSURE TO THESE TYPE OF WIND CHILLS WILL CAUSE FROST BITE TO
  EXPOSED SKIN.

* IMPACTS...TRAVEL AND OUTDOOR ACTIVITIES WILL BE EXTREMELY
  HAZARDOUS OR EVEN IMPOSSIBLE DUE TO THE SNOW...BLOWING SNOW AND
  EXTREMELY COLD WIND CHILL TEMPERATURES. ROADS WILL BE SNOWPACKED
  AND SLICK. ACCUMULATING SNOWFALL WILL DIMINISH EARLY THIS AFTERNOON...
  BUT HAZARDS ASSOCIATED WITH THE BLOWING SNOW AND DANGEROUSLY
  COLD WIND CHILLS WILL CONTINUE THROUGH FRIDAY EVENING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE. FOR SPECIFIC ROAD AND TRAVEL
CONDITIONS IN WYOMING AND NEBRASKA...DIAL 5 1 1.

&&

$$

WYZ103>105-109>115-010000-
/O.CON.KCYS.WS.W.0014.000000T0000Z-110101T0700Z/
NORTH LARAMIE RANGE-FERRIS/SEMINOE/SHIRLEY MOUNTAINS-
SHIRLEY BASIN-CENTRAL CARBON COUNTY-NORTH SNOWY RANGE FOOTHILLS-
SOUTHWEST CARBON COUNTY-SIERRA MADRE RANGE-
UPPER NORTH PLATTE RIVER BASIN-SNOWY RANGE-LARAMIE VALLEY-
INCLUDING THE CITIES OF...MUDDY GAP...MEDICINE BOW...RAWLINS...
SINCLAIR...HANNA...ARLINGTON...ELK MOUNTAIN...BAGGS...DIXON...
SARATOGA...ENCAMPMENT...RIVERSIDE...CENTENNIAL...ALBANY...
WOODS LANDING...LARAMIE
431 AM MST FRI DEC 31 2010

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST
TONIGHT...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST
TONIGHT. 

* TIMING...THROUGH MIDNIGHT FRIDAY NIGHT.

* TOTAL SNOW ACCUMULATIONS...4 TO 7 INCHES OVER THE LOWER
  ELEVATIONS AND 10 TO 18 INCHES OVER THE NORTH LARAMIE RANGE AND
  SNOWY AND SIERRA MADRE RANGES BY THIS EVENING.

* WINDS/VISIBILITIES...WINDS WILL BE OUT OF THE NORTH AT 10 TO 20
  MPH WITH GUSTS UP TO 30 MPH. THE STRONG NORTHERLY WINDS WILL
  CONTINUE THROUGH THIS AFTERNOON BEFORE BEGINNING TO DIMINISH
  DURING THE EVENING HOURS. BLOWING SNOW AND SNOW WILL REDUCE
  VISIBILITIES TO FREQUENTLY LESS THAN ONE HALF MILE. ADDITIONALLY...WIND
  CHILL VALUES WILL REMAIN AT MINUS 20 TO MINUS 35 DEGREES THROUGH
  THE DAY. PROLONGED EXPOSURE TO THESE TYPE OF WIND CHILLS WILL
  CAUSE FROST BITE TO EXPOSED SKIN.

* IMPACTS...TRAVEL AND OUTDOOR ACTIVITIES WILL BECOME HAZARDOUS
  DUE TO THE SNOW...BLOWING SNOW AND COLD TEMPERATURES. ROADS WILL
  BE SNOWPACKED AND SLICK. CONSIDER DELAYING TRAVEL PLANS UNTIL
  AFTER THE STORM HAS PASSED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW AND STRONG WINDS 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.

LISTEN TO NOAA WEATHER RADIO OR YOUR LOCAL MEDIA FOR THE LATER
UPDATES ON THIS SITUATION.

&&

$$
699 
WWUS45 KCYS 311705
WSWCYS

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
1005 AM MST FRI DEC 31 2010

...STRONG WINTER STORM TO CONTINUE IMPACTING THE AREA THROUGH
THIS EVENING...

.A WINTER STORM SYSTEM WILL MOVE FROM NORTHEASTERN COLORADO INTO
EASTERN SOUTH DAKOTA THROUGH THE DAY TODAY. SOUTHEAST WYOMING AND
THE NEBRASKA PANHANDLE WILL REMAIN IN THE WRAP AROUND MOISTURE TO
THE NORTH AND WEST OF THIS LOW THROUGH THE DAY. AS THE LOW PASSES
THROUGH WESTERN NEBRASKA LATER THIS MORNING INTO THE AFTERNOON...
STRONG NORTHWEST WINDS WILL CONTINUE TO CAUSE WIDESPREAD BLOWING
AND DRIFTING SNOW...CAUSING WHITEOUT CONDITIONS. THE GREATEST
SNOWFALL RATES WILL LIKELY OCCUR FROM THIS MORNING THROUGH MID
AFTERNOON BEFORE TAPERING OFF DURING THE DAY.

WYZ104-109-111>114-311815-
/O.CAN.KCYS.WS.W.0014.000000T0000Z-110101T0700Z/
FERRIS/SEMINOE/SHIRLEY MOUNTAINS-CENTRAL CARBON COUNTY-
SOUTHWEST CARBON COUNTY-SIERRA MADRE RANGE-
UPPER NORTH PLATTE RIVER BASIN-SNOWY RANGE-
INCLUDING THE CITIES OF...MUDDY GAP...RAWLINS...SINCLAIR...
HANNA...BAGGS...DIXON...SARATOGA...ENCAMPMENT...RIVERSIDE...
CENTENNIAL...ALBANY...WOODS LANDING
1005 AM MST FRI DEC 31 2010

...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS CANCELLED THE WINTER
STORM WARNING. 

SNOW HAS TAPERED TO SNOW FLURRIES LATE THIS MORNING AS THE WINTER
STORM OVER THE GREAT PLAINS SLOWLY MOVES NORTHEAST. THESE SNOW
FLURRIES WILL CONTINUE THROUGH MOST OF TODAY WITH LITTLE IF ANY
ADDITIONAL SNOW ACCUMULATIONS. HOWEVER...GUSTY NORTHWEST WINDS
BETWEEN 25 TO 35 MPH WILL CREATE AREAS OF BLOWING AND DRIFTING
SNOW INTO TONIGHT.

$$

NEZ002-003-095-096-WYZ101-102-106>108-010500-
/O.CON.KCYS.BZ.W.0001.000000T0000Z-110101T0700Z/
DAWES-BOX BUTTE-NORTH SIOUX-SOUTH SIOUX-
CONVERSE COUNTY LOWER ELEVATIONS-NIOBRARA COUNTY-
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
EAST PLATTE COUNTY-GOSHEN COUNTY-
INCLUDING THE CITIES OF...CHADRON...ALLIANCE...HARRISON...AGATE...
DOUGLAS...GLENROCK...LUSK...BORDEAUX...GLENDO...WHEATLAND...
CHUGWATER...GUERNSEY...TORRINGTON
1005 AM MST FRI DEC 31 2010

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST
TONIGHT...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT. 

* TIMING...THROUGH MIDNIGHT TONIGHT. THE HEAVIEST SNOWFALL RATES 
  WILL OCCUR THIS MORNING. 

* TOTAL SNOW ACCUMULATIONS...6 TO 12 INCHES WITH SNOW DRIFTS 
  REACHING SEVERAL FEET IN DEPTH. 

* WINDS/VISIBILITIES...WINDS WILL BE OUT OF THE NORTH AT 10 TO 
  20 MPH OVERNIGHT THEN INCREASE OUT OF THE NORTHWEST 15 TO 25 
  MPH WITH GUSTS TO 40 MPH LATER THIS MORNING AND AFTERNOON. 
  WIDESPREAD SNOW AND BLOWING SNOW WILL REDUCE VISIBILITIES TO 
  ZERO AT TIMES...ESPECIALLY OVER OPEN AREAS. ADDITIONALLY...
  WIND CHILL VALUES WILL REMAIN AT MINUS 20 TO MINUS 30 DEGREES 
  THROUGH THE DAY. PROLONGED EXPOSURE TO THESE TYPE OF WIND 
  CHILLS WILL CAUSE FROST BITE TO EXPOSED SKIN. 

* IMPACTS...TRAVEL AND OUTDOOR ACTIVITIES WILL BE EXTREMELY 
  HAZARDOUS OR EVEN IMPOSSIBLE DUE TO THE SNOW...BLOWING SNOW 
  AND EXTREMELY COLD WIND CHILL TEMPERATURES. ROADS WILL BE 
  SNOWPACKED AND SLICK THROUGH TONIGHT. ACCUMULATING SNOWFALL 
  WILL DIMINISH THIS AFTERNOON...BUT HAZARDS ASSOCIATED WITH THE 
  BLOWING SNOW AND DANGEROUSLY COLD WIND CHILLS WILL CONTINUE 
  THROUGH FRIDAY EVENING. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE. FOR SPECIFIC ROAD AND TRAVEL
CONDITIONS IN WYOMING AND NEBRASKA...DIAL 5 1 1.

&&

$$

NEZ019>021-054-055-WYZ116>119-010500-
/O.CON.KCYS.BZ.W.0001.000000T0000Z-110101T0700Z/
SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE-SOUTH LARAMIE RANGE-
SOUTH LARAMIE RANGE FOOTHILLS-CENTRAL LARAMIE COUNTY-
EAST LARAMIE COUNTY-
INCLUDING THE CITIES OF...SCOTTSBLUFF...GERING...HARRISBURG...
BRIDGEPORT...BAYARD...KIMBALL...SIDNEY...VEDAUWOO...BUFORD...
PUMPKIN VINE...HORSE CREEK...HARRIMAN...WHITAKER...CHEYENNE...
BURNS...CARPENTER...ALBIN...PINE BLUFFS
1005 AM MST FRI DEC 31 2010

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST
TONIGHT...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT. 

* TIMING...THROUGH MIDNIGHT TONIGHT. MOST OF THE SNOW IS 
  EXPECTED TO FALL THIS MORNING AND GRADUALLY DIMINISH THROUGH 
  THE AFTERNOON. 

* TOTAL SNOW ACCUMULATIONS...8 TO 14 INCHES WITH SNOW DRIFTS 
  REACHING 4 TO 5 FEET BY THIS EVENING. 

* WINDS/VISIBILITIES...WINDS WILL BE OUT OF THE NORTH AT 15 TO 
  25MPH WITH GUSTS UP TO 35 MPH. THE STRONG NORTH WINDS WILL 
  TURN NORTHWEST THIS AFTERNOON. WIDESPREAD SNOW AND BLOWING 
  SNOW WILL REDUCE VISIBILITIES LESS THAN ONE QUARTER MILE 
  ESPECIALLY OVER OPEN AREAS. ADDITIONALLY...WIND CHILL VALUES 
  WILL REMAIN AT MINUS 20 TO MINUS 35 DEGREES THROUGH THE DAY. 
  PROLONGED EXPOSURE TO THESE TYPE OF WIND CHILLS WILL CAUSE 
  FROST BITE TO EXPOSED SKIN. 

* IMPACTS...TRAVEL AND OUTDOOR ACTIVITIES WILL BE EXTREMELY 
  HAZARDOUS OR EVEN IMPOSSIBLE DUE TO THE SNOW...BLOWING SNOW 
  AND EXTREMELY COLD WIND CHILL TEMPERATURES. ROADS WILL BE 
  SNOWPACKED AND SLICK. ACCUMULATING SNOWFALL WILL DIMINISH 
  EARLY THIS AFTERNOON... BUT HAZARDS ASSOCIATED WITH THE 
  BLOWING SNOW AND DANGEROUSLY COLD WIND CHILLS WILL CONTINUE 
  THROUGH FRIDAY EVENING. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE. FOR SPECIFIC ROAD AND TRAVEL
CONDITIONS IN WYOMING AND NEBRASKA...DIAL 5 1 1.

&&

$$

WYZ103-105-110-115-010500-
/O.CON.KCYS.WS.W.0014.000000T0000Z-110101T0700Z/
NORTH LARAMIE RANGE-SHIRLEY BASIN-NORTH SNOWY RANGE FOOTHILLS-
LARAMIE VALLEY-
INCLUDING THE CITIES OF...MEDICINE BOW...ARLINGTON...
ELK MOUNTAIN...LARAMIE
1005 AM MST FRI DEC 31 2010

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST
TONIGHT...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST
TONIGHT. 

* TIMING...THROUGH MIDNIGHT FRIDAY NIGHT.

* TOTAL SNOW ACCUMULATIONS...4 TO 7 INCHES OVER THE LOWER 
  ELEVATIONS AND 10 TO 18 INCHES OVER THE NORTH LARAMIE RANGE 
  AND SNOWY AND SIERRA MADRE RANGES BY THIS EVENING. 

* WINDS/VISIBILITIES...WINDS WILL BE OUT OF THE NORTH AT 10 TO 
  20 MPH WITH GUSTS UP TO 30 MPH. THE STRONG NORTHERLY WINDS 
  WILL CONTINUE THROUGH THIS AFTERNOON BEFORE BEGINNING TO 
  DIMINISH DURING THE EVENING HOURS. BLOWING SNOW AND SNOW WILL 
  REDUCE VISIBILITIES TO FREQUENTLY LESS THAN ONE HALF MILE. 
  ADDITIONALLY...WIND CHILL VALUES WILL REMAIN AT MINUS 20 TO 
  MINUS 35 DEGREES THROUGH THE DAY. PROLONGED EXPOSURE TO THESE 
  TYPE OF WIND CHILLS WILL CAUSE FROST BITE TO EXPOSED SKIN. 

* IMPACTS...TRAVEL AND OUTDOOR ACTIVITIES WILL BECOME HAZARDOUS 
  DUE TO THE SNOW...BLOWING SNOW AND COLD TEMPERATURES. ROADS 
  WILL BE SNOWPACKED AND SLICK. CONSIDER DELAYING TRAVEL PLANS 
  UNTIL AFTER THE STORM HAS PASSED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW AND STRONG WINDS 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.

LISTEN TO NOAA WEATHER RADIO OR YOUR LOCAL MEDIA FOR THE LATER
UPDATES ON THIS SITUATION.

&&

$$
022 
WWUS45 KCYS 312030
WSWCYS

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
130 PM MST FRI DEC 31 2010

...STRONG WINTER STORM TO CONTINUE IMPACTING THE AREA THROUGH
THIS TONIGHT...

.A WINTER STORM SYSTEM WILL MOVE FROM CENTRAL NEBRASKA INTO
THE GREAT LAKES REGION TONIGHT. EXTREME SOUTHEAST WYOMING AND THE
NEBRASKA PANHANDLE WILL REMAIN IN THE WRAP AROUND MOISTURE TO THE
WEST OF THIS STORM INTO LATE THIS EVENING. ALTHOUGH THE SNOW WILL
DISSIPATE BY TONIGHT...GUSTY WINDS AND VERY COLD TEMPERATURES WILL
RESULT IN BITTER COLD WIND CHILLS INTO SATURDAY MORNING.


WYZ101-106-107-117-118-011130-
/O.CAN.KCYS.BZ.W.0001.000000T0000Z-110101T0700Z/
/O.NEW.KCYS.WC.W.0004.101231T2030Z-110101T1900Z/
CONVERSE COUNTY LOWER ELEVATIONS-
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
EAST PLATTE COUNTY-SOUTH LARAMIE RANGE FOOTHILLS-
CENTRAL LARAMIE COUNTY-
INCLUDING THE CITIES OF...DOUGLAS...GLENROCK...BORDEAUX...
GLENDO...WHEATLAND...CHUGWATER...GUERNSEY...HORSE CREEK...
HARRIMAN...WHITAKER...CHEYENNE
130 PM MST FRI DEC 31 2010

...WIND CHILL WARNING IN EFFECT UNTIL NOON MST SATURDAY...

...BLIZZARD WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WIND CHILL
WARNING...WHICH IS IN EFFECT UNTIL NOON MST SATURDAY. THE
BLIZZARD WARNING HAS BEEN CANCELLED. 

* TIMING...DANGEROUSLY LOW WIND CHILLS WILL CONTINUE THROUGH
  SATURDAY MORNING.

* WIND CHILL VALUES...NORTHWEST WINDS WILL SHIFT INTO THE WEST BY
  SATURDAY MORNING WITH SUSTAINED WINDS BETWEEN 15 TO 30 MPH AND
  GUSTS UP TO 40 MPH. COMBINED WITH VERY COLD TEMPERATURES...THIS
  WILL RESULT IN WIND CHILLS BETWEEN 25 TO 40 BELOW ZERO.

* OTHER IMPACTS...ACCUMULATING SNOWFALL WILL DIMINISH THIS
  AFTERNOON...BUT BLOWING SNOW WILL CONTINUE THROUGH TONIGHT
  RESULTING IN REDUCED VISIBILITIES AND SLICK ROADWAYS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE WIND CHILL IS THE TEMPERATURE YOUR BODY FEELS WHEN THE AIR
TEMPERATURE IS COMBINED WITH THE WIND SPEED. WITH WIND CHILLS
BELOW MINUS 30 DEGREES...FROSTBITE CAN OCCUR IN AS LITTLE AS 5 TO
10 MINUTES. THE MOST SUSCEPTIBLE PARTS OF THE BODY ARE THE
EXTREMETIES SUCH AS FINGERS...TOES...EAR LOBES...OR THE TIP OF
THE NOSE.

&&

$$

WYZ103-105-110-115-011130-
/O.CAN.KCYS.WS.W.0014.000000T0000Z-110101T0700Z/
/O.NEW.KCYS.WC.W.0004.101231T2030Z-110101T1900Z/
NORTH LARAMIE RANGE-SHIRLEY BASIN-NORTH SNOWY RANGE FOOTHILLS-
LARAMIE VALLEY-
INCLUDING THE CITIES OF...MEDICINE BOW...ARLINGTON...
ELK MOUNTAIN...LARAMIE
130 PM MST FRI DEC 31 2010

...WIND CHILL WARNING IN EFFECT UNTIL NOON MST SATURDAY...

...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WIND CHILL
WARNING...WHICH IS IN EFFECT UNTIL NOON MST SATURDAY. THE WINTER
STORM WARNING HAS BEEN CANCELLED. 

* TIMING...DANGEROUSLY LOW WIND CHILLS WILL CONTINUE THROUGH   
  SATURDAY MORNING.

* WIND CHILL VALUES...NORTHWEST WINDS WILL SHIFT INTO THE WEST BY
  SATURDAY MORNING WITH SUSTAINED WINDS BETWEEN 15 TO 30 MPH AND
  GUSTS UP TO 45 MPH. COMBINED WITH VERY COLD TEMPERATURES...THIS
  WILL RESULT IN WIND CHILLS BETWEEN 30 TO 40 BELOW ZERO.

* OTHER IMPACTS...ACCUMULATING SNOWFALL WILL DIMINISH BY EARLY
  THIS EVENING...BUT BLOWING SNOW WILL CONTINUE THROUGH TONIGHT
  RESULTING IN REDUCED VISIBILITIES AND SLICK ROADWAYS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE WIND CHILL IS THE TEMPERATURE YOUR BODY FEELS WHEN THE AIR
TEMPERATURE IS COMBINED WITH THE WIND SPEED. WITH WIND CHILLS
BELOW MINUS 30 DEGREES...FROSTBITE CAN OCCUR IN AS LITTLE AS 5 TO
10 MINUTES. THE MOST SUSCEPTIBLE PARTS OF THE BODY ARE THE
EXTREMETIES SUCH AS FINGERS...TOES...EAR LOBES...OR THE TIP OF THE
NOSE.

&&

$$

WYZ104-109-111>114-011130-
/O.NEW.KCYS.WC.W.0004.101231T2030Z-110101T1900Z/
FERRIS/SEMINOE/SHIRLEY MOUNTAINS-CENTRAL CARBON COUNTY-
SOUTHWEST CARBON COUNTY-SIERRA MADRE RANGE-
UPPER NORTH PLATTE RIVER BASIN-SNOWY RANGE-
INCLUDING THE CITIES OF...MUDDY GAP...RAWLINS...SINCLAIR...
HANNA...BAGGS...DIXON...SARATOGA...ENCAMPMENT...RIVERSIDE...
CENTENNIAL...ALBANY...WOODS LANDING
130 PM MST FRI DEC 31 2010

...WIND CHILL WARNING IN EFFECT UNTIL NOON MST SATURDAY...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WIND CHILL
WARNING...WHICH IS IN EFFECT UNTIL NOON MST SATURDAY. 

* TIMING...DANGEROUSLY LOW WIND CHILLS WILL CONTINUE THROUGH   
  SATURDAY MORNING.

* WIND CHILL VALUES...NORTHWEST WINDS WILL SHIFT INTO THE WEST BY
  SATURDAY MORNING WITH SUSTAINED WINDS BETWEEN 10 TO 25 MPH AND
  GUSTS UP TO 35 MPH. COMBINED WITH VERY COLD TEMPERATURES...THIS
  WILL RESULT IN WIND CHILLS BETWEEN 20 TO 35 BELOW ZERO.

* OTHER IMPACTS...ACCUMULATING SNOWFALL WILL DIMINISH THIS
  AFTERNOON...BUT BLOWING SNOW WILL CONTINUE THROUGH TONIGHT
  RESULTING IN REDUCED VISIBILITIES AND SLICK ROADWAYS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE WIND CHILL IS THE TEMPERATURE YOUR BODY FEELS WHEN THE AIR
TEMPERATURE IS COMBINED WITH THE WIND SPEED. WITH WIND CHILLS
BELOW MINUS 30 DEGREES...FROSTBITE CAN OCCUR IN AS LITTLE AS 5 TO
10 MINUTES. THE MOST SUSCEPTIBLE PARTS OF THE BODY ARE THE
EXTREMETIES SUCH AS FINGERS...TOES...EAR LOBES...OR THE TIP OF
THE NOSE.

&&

$$

NEZ002-003-095-096-WYZ102-108-010700-
/O.CON.KCYS.BZ.W.0001.000000T0000Z-110101T0700Z/
DAWES-BOX BUTTE-NORTH SIOUX-SOUTH SIOUX-NIOBRARA COUNTY-
GOSHEN COUNTY-
INCLUDING THE CITIES OF...CHADRON...ALLIANCE...HARRISON...AGATE...
LUSK...TORRINGTON
130 PM MST FRI DEC 31 2010

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST
TONIGHT...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT. 

* TIMING...THROUGH MIDNIGHT TONIGHT. THE HEAVIEST SNOWFALL RATES 
  WILL OCCUR THIS MORNING. 

* TOTAL SNOW ACCUMULATIONS...6 TO 12 INCHES WITH SNOW DRIFTS 
  REACHING SEVERAL FEET IN DEPTH. 

* WINDS/VISIBILITIES...WINDS WILL BE OUT OF THE NORTHWEST 15 TO 25
  MPH WITH GUSTS TO 40 MPH INTO THIS EVENING. WIDESPREAD SNOW AND
  BLOWING SNOW WILL REDUCE VISIBILITIES TO ZERO AT
  TIMES...ESPECIALLY OVER OPEN AREAS. ADDITIONALLY...WIND CHILL
  VALUES WILL REMAIN AT MINUS 20 TO MINUS 30 DEGREES THROUGH THE
  DAY. PROLONGED EXPOSURE TO THESE TYPE OF WIND CHILLS WILL CAUSE
  FROST BITE TO EXPOSED SKIN.

* IMPACTS...TRAVEL AND OUTDOOR ACTIVITIES WILL BE EXTREMELY
  HAZARDOUS OR EVEN IMPOSSIBLE DUE TO THE SNOW...BLOWING SNOW AND
  EXTREMELY COLD WIND CHILL TEMPERATURES. ROADS WILL BE SNOWPACKED
  AND SLICK THROUGH TONIGHT. ACCUMULATING SNOWFALL WILL DIMINISH
  BY THIS EVENING...BUT HAZARDS ASSOCIATED WITH THE BLOWING SNOW
  AND DANGEROUSLY COLD WIND CHILLS WILL CONTINUE THROUGH FRIDAY
  EVENING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE. FOR SPECIFIC ROAD AND TRAVEL
CONDITIONS IN WYOMING AND NEBRASKA...DIAL 5 1 1.

&&

$$

NEZ019>021-054-055-WYZ116-119-010700-
/O.CON.KCYS.BZ.W.0001.000000T0000Z-110101T0700Z/
SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE-SOUTH LARAMIE RANGE-
EAST LARAMIE COUNTY-
INCLUDING THE CITIES OF...SCOTTSBLUFF...GERING...HARRISBURG...
BRIDGEPORT...BAYARD...KIMBALL...SIDNEY...VEDAUWOO...BUFORD...
PUMPKIN VINE...BURNS...CARPENTER...ALBIN...PINE BLUFFS
130 PM MST FRI DEC 31 2010

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST
TONIGHT...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT. 

* TIMING...THROUGH MIDNIGHT TONIGHT. SNOW IS EXPECTED THROUGH
  THIS AFTERNOON...BUT GRADUALLY DIMINISH INTO THIS EVENING.

* TOTAL SNOW ACCUMULATIONS...8 TO 14 INCHES WITH SNOW DRIFTS
  REACHING 3 TO 5 FEET BY THIS EVENING.

* WINDS/VISIBILITIES...WINDS WILL BE OUT OF THE NORTHWEST AT 20 TO
  30 MPH WITH GUSTS UP TO 50 MPH ALONG THE SOUTHERN LARAMIE RANGE
  AND EXPOSED RIDGES. WIDESPREAD SNOW AND BLOWING SNOW WILL
  REDUCE VISIBILITIES LESS THAN ONE QUARTER MILE ESPECIALLY OVER
  OPEN AREAS. ADDITIONALLY...WIND CHILL VALUES WILL REMAIN AT
  MINUS 20 TO MINUS 35 DEGREES THROUGH THE DAY. PROLONGED EXPOSURE
  TO THESE TYPE OF WIND CHILLS WILL CAUSE FROST BITE TO EXPOSED
  SKIN.

* IMPACTS...TRAVEL AND OUTDOOR ACTIVITIES WILL BE EXTREMELY 
  HAZARDOUS OR EVEN IMPOSSIBLE DUE TO THE SNOW...BLOWING SNOW 
  AND EXTREMELY COLD WIND CHILL TEMPERATURES. ROADS WILL BE 
  SNOWPACKED AND SLICK. ACCUMULATING SNOWFALL WILL DIMINISH 
  EARLY THIS AFTERNOON... BUT HAZARDS ASSOCIATED WITH THE 
  BLOWING SNOW AND DANGEROUSLY COLD WIND CHILLS WILL CONTINUE 
  THROUGH FRIDAY EVENING. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE. FOR SPECIFIC ROAD AND TRAVEL
CONDITIONS IN WYOMING AND NEBRASKA...DIAL 5 1 1.

&&

$$

TT

What forecasters said that day

The local office's own words before this blizzard warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Cheyenne, WY wrote its last area forecast discussion before this blizzard warning went out at Dec 29, 7:59 AM MST, 4 hours 38 minutes earlier.

Area forecast discussion, Dec 29, 7:59 AM MST, 4 hours 38 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CHEYENNE WY
759 AM MST WED DEC 29 2010

.UPDATE...
WINDS ACROSS CENTRAL CARBON COUNTY HAVE INCREASED SIGNIFICANTLY
OVER THE PAST COUPLE OF HOURS...WITH GUSTS REACHING HIGH WIND
WARNING CRITERIA. SO HAVE EXTENDED THE HIGH WIND WARNING TO
INCLUDE THE RAWLINS AREA ALSO IN EFFECT UNTIL 2 PM. HAHN

&&

.PREV DISCUSSION... /ISSUED 348 AM MST WED DEC 29 2010/

SHORT TERM...TODAY THROUGH FRIDAY
WILL KEEP HIGH WIND WARNING IN PLACE FOR THE WIND CORRIDOR TILL
THIS AFTERNOON. WINDS HAVE MET CRITERIA IN ALL EXCEPT PLATTE
COUNTY. WINDS SHOULD INCREASE THERE AS WELL OVER THE NEXT FEW
HOURS.  A POTENT WINTER STORM SYSTEM LOOKS TO BE SHAPING UP FOR
THE REGION FROM WED NIGHT THROUGH FRIDAY. SW FLOW WILL OCCUR ALOFT
TODAY OVER THE CWA AS AN UPPER TROUGH DEEPENS OVER THE WESTERN US.
500 MB HEIGHTS WILL BEGIN TO FALL ACROSS THE FORECAST AREA TODAY.
MILD TEMPERATURES WILL OCCUR ONCE AGAIN TODAY IN THE WAA AHEAD OF
THE APPROACHING SYSTEM. 500 HEIGHTS WILL CONT TO FALL TONIGHT AS
THE UPPER TROUGH CONTS TO DEEPEN AS IT MOVES ACROSS THE WESTERN
U.S. THE UPPER TROUGH AXIS WILL MOVE OVER THE GREAT BASIN BY 12Z
THUR. A DISTURBANCE WILL EJECT OUT OF THE BASE OF THE UPPER TROUGH
AND WILL MOVE ACROSS THE WESTERN PORTION OF THE FORECAST AREA
TONIGHT. THIS WILL RESULT IN SNOW DEVELOPING THIS EVENING WEST OF
THE LARAMIE RANGE WHICH WILL SPREAD ACROSS THE NORTHERN LARAMIE
RANGE AND NORTHERN ZONES AFTER MIDNIGHT. THE ASSOCIATED COLD FRONT
WILL RACE ACROSS THE CWA TONIGHT AND WILL BE THROUGH THE ENTIRE
AREA BY AROUND 12Z THUR. SNOW AND BLOWING SNOW WILL OCCUR IN THIS
AREA WITH INTENSITY INCREASING LATE TONIGHT INTO THUR AM. SOUTHERLY
DIVERGENT UPPER FLOW WILL OCCUR ALOFT OVER THE CWA ON THUR AS AN
UPPER LOW DEVELOPS OVER UT. STRONG PVA WILL OCCUR DURING THIS
TIME ACROSS THE CWA. COLD AIR ADVECTION WILL OCCUR IN THE LOWER
LEVELS. MUCH COLDER TEMPERATURES WILL OCCUR ACROSS THE ENTIRE CWA
ON THUR...AND HIGH TEMPS WILL OCCUR VERY EARLY THURSDAY MORNING
WITH TEMPS FALLING THROUGH THE DAY. VERY WINDY CONDITIONS WILL
ALSO OCCUR FROM THUR THROUGH FRI RESULTING IN BLOWING SNOW WHICH
WILL MAKE TRAVEL HAZARDOUS. DEEP MOISTURE WILL ALSO BE IN PLACE OVER THE
AREA AND SNOW WILL CONTINUE TO FALL ACROSS THE CWA WITH PERIODS OF
HEAVY SNOWFALL. THE HEAVIEST SNOWFALL LATE TONIGHT INTO FRI MORNING
LOOKS TO BE ACROSS CARBON COUNTY INTO CONVERSE AND NIOBRARA
COUNTIES. THEREFORE...HAVE UPGRADED THE WINTER STORM WATCH FOR
THIS AREA TO A WINTER STORM WARNING. WILL LEAVE THE REST OF THE
CWA UNDER A WINTER STORM WATCH AT THIS TIME...AND IT LOOKS LIKELY
THAT A WINTER STORM WARNING OR AT LEAST A WINTER WEATHER ADVISORY WILL
BE NECESSARY FOR THE REST OF THE CWA FOR THUR INTO FRI AS THE
STORM CONTINUES TO DEVELOP AND TRACK ACROSS THE REGION. THE UPPER
LOW WILL MOVE ACROSS WY AND CO THUR NIGHT AND STRONG PVA WILL
CONTINUE OVER THE FORECAST AREA. HOWEVER...WITH MUCH COLDER
TEMPS...DENDRITIC GROWTH WILL BE VERY LOW. ON THE OTHER HAND...30
TO 1 SNOW RATIOS WILL OCCUR...SO EVEN A LITTLE BIT OF MOISTURE
WILL CREATE SOME SNOW ACCUMULATION. CYCLONIC NW FLOW WILL BE ALOFT
OVER THE FORECAST AREA ON FRI AS THE UPPER LOW MOVES INTO THE
CENTRAL PLAINS...PLACING THE CWA UNDER THE WRAP AROUND PORTION OF
THE SYSTEM. THIS WILL RESULT IN A CONTINUATION OF LIGHT SNOW
ACROSS THE AREA...BUT BY LATE FRI NIGHT...THE PRECIP SHOULD BEGIN
TO END FROM THE WESTERN ZONES TO THE EASTERN ZONES. HIGH
TEMPERATURES WILL BE AROUND 10 DEGREES ABOVE NORMAL TODAY...20
DEGREES BELOW NORMAL BY THUR AFTERNOON...AND AN INCREDIBLE 30
DEGREES BELOW NORMAL ON FRI.

LONG TERM...SATURDAY THROUGH WEDNESDAY

FORECAST CHALLENGES IN THE LONG TERM DEAL WITH TEMPERATURES AND
WINDS. LARGE BUST POTENTIAL ON TEMPERATURES AS MOST AREAS WILL HAVE
SNOW COVERAGE THAT WILL KEEP TEMPERATURES BELOW GUIDANCE VALUES.

SATURDAY...SNOWS LOOK TO COME TO AN END SATURDAY...BUT WILL STILL
HAVE SOME FAIRLY STRONG WINDS OVER HIGHER TERRAIN OF THE LARAMIE
RANGE. HAVE CONTINUED BLSN IN THE FORECAST THROUGH SUNDAY...BEFORE
WINDS BEGIN TO DIE OFF SLIGHTLY.

WITH AN ANTICIPATED 4+ INCH SNOWPACK OVER MOST
COUNTIES...TEMPERATURES ARE GOING TO REALLY FALL WELL BELOW GUIDANCE
VALUES. WENT AHEAD AND DROPPED 4-5 DEGREES OFF BCCONSALL
GUIDANCE...WHICH HAD UPPER 30S FOR HIGHS OVER THE WEEKEND AND LOW
TEENS FOR LOWS. TEMPERATURES BEGIN TO MODERATE SUNDAY NIGHT INTO
TUESDAY AS 700MB TEMPERATURES CLIMB BACK TO -8C SUNDAY NIGHT AND
CONTINUE THROUGH MONDAY. GET ANOTHER SHOT OF COLD AIR MONDAY
AFTERNOON INTO THE EVENING HOURS AS A QUICK MOVING SHORTWAVE MOVES
THROUGH THE AREA.

LOOKS LIKE A POSSIBLE HIGH WIND EVENT MONDAY AS GFS SHOWS 700MB
WINDS OVER SOUTHERN WYOMING 55+KTS MONDAY MORNING 12Z THROUGH 18Z
TIMEFRAME AND AGAIN TUESDAY NIGHT INTO WEDNESDAY MORNING.

AVIATION...12Z TAFS

ALL TAF SITES START OFF IN GOOD SHAPE...BUT EXPECT DETERIORATING
CONDITIONS FOR RAWLINS THIS AFTERNOON AS SNOW MOVES INTO THE AREA
FROM THE WEST. IFR CONDITIONS OUT THAT WAY EXPECTED AFTER 00Z.
THESE LOWERING CONDITIONS EXPECTED TO SPREAD EASTWARD WEDNESDAY
EVENING INTO THURSDAY. ALL AIRFIELDS EXPECTED TO BE IMPACTED WITH
A PROLONGED IFR AND BELOW EVENT FROM THURSDAY MORNING THROUGH
SATURDAY MORNING AS A SIGNIFICANT WINTER STORM MOVES THROUGH
SOUTHEAST WYOMING.

FIRE WEATHER...THE STORM SYSTEM THAT WILL AFFECT THE REGION
TONIGHT THROUGH FRIDAY WILL PRODUCE COLD...WET AND WINDY WEATHER.
FIRE WEATHER CONCERNS WILL BE MINIMAL FROM TONIGHT THROUGH THE
WEEKEND. SIGNIFICANT WIDESPREAD SNOWFALL WILL BE
POSSIBLE...MINIMIZING ANY FIRE WEATHER CONCERNS. MINIMUM RELATIVE
HUMIDITY VALUES WILL BE BETWEEN 25 AND 35 PERCENT WEDNESDAY
AFTERNOON AND THE TEMPERATURES WILL STILL BE MILD.

&&

.CYS WATCHES/WARNINGS/ADVISORIES...
WY...HIGH WIND WARNING UNTIL 2 PM WEDNESDAY FOR WYZ106-WYZ109-WYZ110.
     WINTER STORM WARNING FROM 11 PM WEDNESDAY TO 5 AM FRIDAY FOR
     WYZ101-WYZ102-WYZ103-WYZ104-WYZ105-WYZ109-WYZ110-WYZ111-
     WYZ112-WYZ113-WYZ114.
     WINTER STORM WATCH FROM 5 AM THURSDAY TO 11 AM FRIDAY FOR WYZ106-
     WYZ107-WYZ108-WYZ115-WYZ116-WYZ117-WYZ118-WYZ119.
NE...WINTER STORM WATCH FROM 5 AM THURSDAY TO 11 AM FRIDAY FOR NEZ002-
     NEZ003-NEZ019-NEZ020-NEZ021-NEZ054-NEZ055-NEZ095-NEZ096.

&&

SHORT TERM/FIRE WEATHER...KMD
LONG TERM/AVIATION...CLAYCOMB
Hazardous weather outlook, Dec 29, 5:42 AM MST, 6 hours 55 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHEYENNE WY
542 AM MST WED DEC 29 2010

NEZ002-003-019>021-054-055-095-096-WYZ106>108-115>119-301245-
DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE-
NORTH SIOUX-SOUTH SIOUX-
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
EAST PLATTE COUNTY-GOSHEN COUNTY-LARAMIE VALLEY-
SOUTH LARAMIE RANGE-SOUTH LARAMIE RANGE FOOTHILLS-
CENTRAL LARAMIE COUNTY-EAST LARAMIE COUNTY-
542 AM MST WED DEC 29 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE WESTERN NEBRASKA
PANHANDLE...SOUTHEAST WYOMING.

.DAY ONE...TODAY AND TONIGHT

A HIGH WIND WARNING IS IN EFFECT FOR WESTERN PLATTE
COUNTY...BETWEEN CHUGWATER AND WHEATLAND UNTIL 2 PM TODAY. WEST TO
SOUTHWEST WINDS WILL BE SUSTAINED AT 35 TO 45 MPH WITH GUSTS UP TO
60 MPH.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

A WINTER STORM WATCH IS IN EFFECT FROM 5 AM THURSDAY THROUGH 11 AM
FRIDAY. THE POTENTIAL EXISTS FOR SIGNIFICANT SNOWFALL AMOUNTS
DURING THIS TIME.  STRONG WINDS WILL OCCUR ALONG WITH MUCH COLDER
TEMPERATURES.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

&&

THIS PRODUCT...ALONG WITH OTHER WEATHER...HYDROLOGIC...AND
CLIMATE INFORMATION IS AVAILABLE ON THE WEB AT...
HTTP://WEATHER.GOV/CHEYENNE

WYZ101>105-109>114-301245-
CONVERSE COUNTY LOWER ELEVATIONS-NIOBRARA COUNTY-
NORTH LARAMIE RANGE-FERRIS/SEMINOE/SHIRLEY MOUNTAINS-
SHIRLEY BASIN-CENTRAL CARBON COUNTY-NORTH SNOWY RANGE FOOTHILLS-
SOUTHWEST CARBON COUNTY-SIERRA MADRE RANGE-
UPPER NORTH PLATTE RIVER BASIN-SNOWY RANGE-
542 AM MST WED DEC 29 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH CENTRAL WYOMING.

.DAY ONE...TODAY AND TONIGHT

A HIGH WIND WARNING IS IN EFFECT UNTIL 2 PM FOR THE ARLINGTON
AREA. WEST TO SOUTHWEST WINDS WILL BE SUSTAINED AT 35 TO 45 MPH
WITH GUSTS UP TO 60 MPH.

A WINTER STORM WARNING IS IN EFFECT FROM 11 PM TONIGHT THROUGH FRI
MORNING. SIGNIFICANT SNOWFALL IS EXPECTED OVER THE AREA DURING
THIS TIME ALONG WITH STRONG WINDS AND VERY COLD TEMPERATURES.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

A WINTER STORM WARNING IS IN EFFECT UNTIL 5 AM FRIDAY MORNING.
PERIODS OF HEAVY SNOW...STRONG WINDS AND VERY COLD TEMPERATURES
WILL OCCUR ACROSS THE AREA. SNOWFALL ACCUMULATIONS OF 8 TO 12
INCHES ARE EXPECTED AT THE LOWER ELEVATIONS...WITH UP TO 20 INCHES
IN THE MOUNTAINS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED...BUT SPOTTERS ARE
ENCOURAGED TO REPORT SNOWFALL AMOUNTS.

&&

THIS PRODUCT...ALONG WITH OTHER WEATHER...HYDROLOGIC...AND
CLIMATE INFORMATION IS AVAILABLE ON THE WEB AT...
HTTP://WEATHER.GOV/CHEYENNE

In the hours before

Local storm report, Dec 29, 8:12 AM MST, 4 hours 25 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
812 AM MST WED DEC 29 2010

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0751 AM     NON-TSTM WND GST RAWLINS                 41.78N 107.23W
12/29/2010  M57.00 MPH       CARBON             WY   ASOS

&&

BCHAPMAN
Local storm report, Dec 29, 9:15 AM MST, 3 hours 22 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
915 AM MST WED DEC 29 2010

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0846 AM     NON-TSTM WND GST ARLINGTON               41.59N 106.21W
12/29/2010  M56 MPH          CARBON             WY   DEPT OF HIGHWAYS

            57 MPH AT 0821 AND 0816.

0853 AM     NON-TSTM WND GST RAWLINS                 41.78N 107.23W
12/29/2010  M54 MPH          CARBON             WY   ASOS

&&

BCHAPMAN
Local storm report, Dec 29, 10:00 AM MST, 2 hours 37 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
1000 AM MST WED DEC 29 2010

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0919 AM     NON-TSTM WND GST RAWLINS                 41.78N 107.23W
12/29/2010  M58 MPH          CARBON             WY   ASOS

&&

BCHAPMAN

The office that day

Everything else NWS Cheyenne, WY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 29, 4:12 AM MSTWinter Storm WarningCYSAlbany, Carbon, Converse, Niobrara, Platte57 hr

Nearby

Blizzard Warnings in Nebraska, 2010Blizzard Warnings in Wyoming, 2010Every blizzard warning in 2010

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.