Alert archive / Wyoming / Winter Storm Warnings in 2015

Winter Storm Warning 1, NWS Cheyenne, WY

January 3, 2015Albany County, Carbon County, Wyoming

NWS Cheyenne, WY issued this winter storm warning at Jan 3, 2015, 1:29 AM MST for Albany County, Carbon County, Wyoming. It took effect at Jan 3, 2015, 8:00 AM MST. It was in force for 66 hr. 24 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
Jan 3, 2015, 1:29 AM MST (08:29 UTC)
In effect from
Jan 3, 2015, 8:00 AM MST
Expired
Jan 6, 2015, 1:44 AM MST
In force
66 hr
Issued by
NWS Cheyenne, WY

Counties Albany County, WY, Carbon County, WY

The radar

The Cheyenne radar (KCYS), 140 km from the middle of the area, began a volume at 08:32 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
Jan 4, 2:32 AM MSTSNOW 0Arlington, WYLATEST WYDOT WEBCAM AND SURFACE REPORTS INDICATE NEAR BLIZZARD CONDITIONS AT ARLINGTON. VISIBILITY SENSOR REPORTING VISIBILITY UNDER A HALF MILE WITH WINDS GUSTING TO 48 MPH.
Jan 4, 3:11 AM MSTSNOW 0Arlington, WYWYDOT SITE AT ARLINGTON AND LATEST WEBCAM PHOTO SHOWING NEAR BLIZZARD CONDITIONS AT ARLINGTON. VISIBILITIES REPORTED FROM MIDNIGHT TO 3AM REPORTED VISIBILITIES BETWEEN 1/4 MILE AND 1 MILE WITH WIND GUSTS 35 TO 50MPH.
Jan 4, 9:00 AM MSTSNOW 314 E Dixon, WYBATTLE MOUNTAIN SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 7440 FEET. SNOW WATER EQUIVALENT IS 0.2 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST 23 HOURS.
Jan 4, 9:00 AM MSTSNOW 410 Sw Encampment, WYLITTLE SNAKE RIVER SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 8915 FEET. SNOW WATER EQUIVALENT IS 0.2 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER PAST 23 HOURS.
Jan 4, 9:00 AM MSTSNOW 410 Wsw Encampment, WYOLD BATTLE SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 10000 FEET. SNOW WATER EQUIVALENT IS 0.2 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER PAST 23 HOURS.
Jan 4, 9:00 AM MSTSNOW 48 Wsw Encampment, WYWEBBER SPRINGS SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 9250 FEET. SNOW WATER EQUIVALENT IS 0.2 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER PAST 23 HOURS.
Jan 4, 9:00 AM MSTSNOW 610 Ssw Arlington, WYSAND LAKE SNOTEL IN THE SNOWY RANGE. ELEVATION 10050 FEET. SNOW WATER EQUIVALENT IS 0.3 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER PAST 23 HOURS.
Jan 4, 9:00 AM MSTSNOW 611 Sse Encampment, WYBLACKHALL MOUNTAIN SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 9820 FEET. SNOW WATER EQUIVALENT IS 0.3 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER PAST 23 HOURS.
Jan 4, 9:00 AM MSTSNOW 616 Ene Riverside, WYSOUTH BRUSH CREEK SNOTEL IN THE SNOWY RANGE. ELEVATION 8440 FEET. SNOW WATER EQUIVALENT IS 0.3 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER PAST 23 HOURS.
Jan 4, 9:00 AM MSTSNOW 620 Wnw Encampment, WYDIVIDE PEAK SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 8880 FEET. SNOW WATER EQUIVALENT IS 0.3 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER PAST 23 HOURS.
Jan 4, 9:00 AM MSTSNOW 621 Sse Elk Mountain, WYMEDICINE BOW SNOTEL IN THE SNOWY RANGE. ELEVATION 10500 FEET. SNOW WATER EQUIVALENT IS 0.3 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER PAST 23 HOURS.
Jan 4, 9:00 AM MSTSNOW 624 W Saratoga, WYSAGE CREEK BASIN SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 7850 FEET. SNOW WATER EQUIVALENT IS 0.3 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER PAST 23 HOURS.
Jan 4, 9:00 AM MSTSNOW 62 Sw Hog Park Reservoir, WYWHISKEY PARK SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 8950 FEET. SNOW WATER EQUIVALENT IS 0.3 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER PAST 23 HOURS.
Jan 4, 9:00 AM MSTSNOW 812 W Centennial, WYNORTH FRENCH CREEK SNOTEL IN THE SNOWY RANGE. ELEVATION 10130 FEET. SNOW WATER EQUIVALENT IS 0.4 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER PAST 23 HOURS.
Jan 5, 10:00 AM MSTSNOW 0.212 W Centennial, WYNORTH FRENCH CREEK SNOTEL IN THE SNOWY RANGE. ELEVATION 10130 FEET. SNOW WATER EQUIVALENT IS 0.2 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST 24 HOURS.
Jan 5, 10:00 AM MSTSNOW 38 Wsw Encampment, WYWEBBER SPRINGS SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 9250 FEET. SNOW WATER EQUIVALENT IS 0.2 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST 24 HOURS.
Jan 5, 10:00 AM MSTSNOW 4.510 Ssw Arlington, WYSAND LAKE SNOTEL IN THE SNOWY RANGE. ELEVATION 10050 FEET. SNOW WATER EQUIVALENT IS 0.3 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST 24 HOURS.
Jan 5, 10:00 AM MSTSNOW 4.510 Sw Encampment, WYLITTLE SNAKE RIVER SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 8915 FEET. SNOW WATER EQUIVALENT IS 0.3 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST 24 HOURS.
Jan 5, 10:00 AM MSTSNOW 4.510 Wsw Encampment, WYOLD BATTLE SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 10000 FEET. SNOW WATER EQUIVALENT IS 0.3 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST 24 HOURS.
Jan 5, 10:00 AM MSTSNOW 4.511 Sse Encampment, WYBLACKHALL MOUNTAIN SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 9820 FEET. SNOW WATER EQUIVALENT IS 0.3 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST 24 HOURS.
Jan 5, 10:00 AM MSTSNOW 4.521 Sse Elk Mountain, WYMEDICINE BOW SNOTEL IN THE SNOWY RANGE. ELEVATION 10500 FEET. SNOW WATER EQUIVALENT IS 0.3 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST 24 HOURS.
Jan 5, 10:00 AM MSTSNOW 4.52 Sw Hog Park Reservoir, WYWHISKEY PARK SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 8950 FEET. SNOW WATER EQUIVALENT IS 0.3 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST 24 HOURS.
Jan 5, 10:00 AM MSTSNOW 4.56 Sw Centennial, WYCINNABAR PARK SNOTEL IN THE SNOWY RANGE. ELEVATION 9574 FEET. SNOW WATER EQUIVALENT IS 0.3 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST 24 HOURS.
Jan 5, 10:00 AM MSTSNOW 7.57 Nw Centennial, WYBROOKLYN LAKE SNOTEL IN THE SNOWY RANGE. ELEVATION 10240 FEET. SNOW WATER EQUIVALENT IS 0.5 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST 24 HOURS.

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

The nearest sounding before it

Riverton, WY (KRIW), launched 00:00Z, 8.5 hours before the alert went out and 230 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, Riverton, WY at 00:00Z on 2015-01-03Temperature 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, Riverton, WY at 00:00Z on 2015-01-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 73 square meters per square second.193958Sfc1 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
1370 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
73 m²/s²
0-3 km storm-relative helicity
-21 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.

681 
WWUS45 KCYS 030829
WSWCYS

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
129 AM MST SAT JAN 3 2015

...SNOW AND BLOWING SNOW TODAY...PROLONGED HEAVY SNOW/WINDS FOR
THE SNOWY AND SIERRA MADRE RANGES TODAY THROUGH MONDAY...

.A COLD FRONT CONTINUES TO MOVE SOUTH FROM NORTHERN WYOMING THIS
MORNING AND WILL MOVE TO THE COLORADO/WYOMING STATE BY MID
MORNING. WIDESPREAD SNOW IS EXPECTED TO DEVELOP BEHIND THE FRONT
TODAY ALONG WITH GUSTY NORTH WINDS. COMBINATIONS OF GUSTY WINDS
AND 2 TO 4 INCHES OF SNOW WILL CREATE TRAVEL IMPACTS ON AREA ROADS
ALONG AND EAST OF THE LARAMIE RANGE THROUGH THE DAY TODAY.
MEANWHILE...A PROLONGED SNOW EVENT COMBINED WITH INCREASINGLY
STRONG WESTERLY WINDS WILL DEVELOP OVER THE SNOWY AND SIERRA MADRE
RANGES AS WELL AS ALONG INTERSTATE 80 NEAR ARLINGTON THAT WILL
PERSIST INTO MONDAY.

WYZ110-112-114-040000-
/O.NEW.KCYS.WS.W.0001.150103T1500Z-150105T1500Z/
NORTH SNOWY RANGE FOOTHILLS-SIERRA MADRE RANGE-SNOWY RANGE-
INCLUDING THE CITIES OF...ARLINGTON...ELK MOUNTAIN...CENTENNIAL...
ALBANY...WOODS LANDING
129 AM MST SAT JAN 3 2015

...WINTER STORM WARNING IN EFFECT FROM 8 AM THIS MORNING TO 8 AM
MST MONDAY...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WINTER
STORM WARNING FOR MODERATE TO HEAVY SNOW AND INCREASINGLY STRONG
WESTERLY WINDS...WHICH IS IN EFFECT FROM 8 AM THIS MORNING TO 8
AM MST MONDAY.

* TIMING...SNOW IS EXPECTED TO BECOME WIDESPREAD BY LATE MORNING
  AND CONTINUE THROUGH MONDAY MORNING. STRONG WINDS WILL GET
  STRONGER SUNDAY AND SUNDAY NIGHT.

* TOTAL SNOW ACCUMULATIONS...15 TO 20 INCHES IN THE SNOWY AND
  SIERRA MADRE RANGES WITH 6 TO 8 INCHES ALONG INTERSTATE 80 NEAR
  ARLINGTON.

* WINDS/VISIBILITY...WESTERLY WINDS OF 25 TO 35 MPH WITH GUSTS TO
  50 MPH WILL OCCUR THIS AFTERNOON AND WILL INCREASE SUNDAY TO 35
  TO 45 MPH WITH GUSTS TO 65 MPH. BY SUNDAY NIGHT...WIND COULD BE
  40 TO 50 MPH WITH GUSTS IN EXCESS OF 75 MPH. THESE STRONG WINDS
  WILL LEAD TO WIDESPREAD BLOWING SNOW CREATING NEAR BLIZZARD
  CONDITIONS.

* IMPACTS...TRAVEL ALONG INTERSTATE 80 AND STATE ROADS INTO THE
  SNOWY AND SIERRA MADRE RANGES BETWEEN LARAMIE AND RAWLINS WILL
  BE SEVERELY IMPACTED. NEAR BLIZZARD CONDITIONS...SUBSTANTIAL
  BLOWING AND DRIFTING SNOW COULD LEAD TO ROAD CLOSURES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AVOID TRAVEL IN THE WARNING AREA. IF YOU ARE PLANNING TO TRAVEL
IN THE WARNING AREA...LISTEN TO THE LATEST WEATHER FORECAST AND
CONSIDER TRAVELING AT ANOTHER TIME OR BY ANOTHER ROUTE. IF YOU
MUST TRAVEL IN THE WARNING AREA...USE EXTREME CAUTION WHEN
APPROACHING AND DRIVING OVER RAILROAD CROSSINGS...TAKE ALONG A
WINTER SURVIVAL KIT. 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.

&&

$$

NEZ002-003-019>021-054-055-095-096-WYZ101>103-106>108-116>119-
040000-
/O.NEW.KCYS.WW.Y.0001.150103T1500Z-150104T0000Z/
DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE-
NORTH SIOUX-SOUTH SIOUX-CONVERSE COUNTY LOWER ELEVATIONS-
NIOBRARA COUNTY-NORTH LARAMIE RANGE-
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
EAST PLATTE COUNTY-GOSHEN COUNTY-SOUTH LARAMIE RANGE-
SOUTH LARAMIE RANGE FOOTHILLS-CENTRAL LARAMIE COUNTY-
EAST LARAMIE COUNTY-
INCLUDING THE CITIES OF...CHADRON...ALLIANCE...SCOTTSBLUFF...
GERING...HARRISBURG...BRIDGEPORT...BAYARD...KIMBALL...SIDNEY...
HARRISON...AGATE...DOUGLAS...GLENROCK...LUSK...BORDEAUX...
GLENDO...WHEATLAND...CHUGWATER...GUERNSEY...TORRINGTON...
VEDAUWOO...BUFORD...PUMPKIN VINE...HORSE CREEK...HARRIMAN...
WHITAKER...CHEYENNE...BURNS...CARPENTER...ALBIN...PINE BLUFFS
129 AM MST SAT JAN 3 2015

...WINTER WEATHER ADVISORY IN EFFECT FROM 8 AM THIS MORNING TO
5 PM MST THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT
FROM 8 AM THIS MORNING TO 5 PM MST THIS AFTERNOON.

* TIMING...8 AM THIS MORNING THROUGH 5 PM THIS AFTERNOON.

* TOTAL SNOW ACCUMULATIONS...2 TO 4 INCHES FOR AREAS EAST OF THE
  LARAMIE RANGE WITH 4 TO 6 INCHES ALONG THE EAST SLOPES OF THE
  LARAMIE RANGE.

* WINDS/VISIBILITY...NORTH WINDS OF 15 TO 25 MPH WITH GUSTS TO 35
  MPH WILL CREATE WIDESPREAD AREAS OF BLOWING SNOW THAT WILL
  REDUCE VISIBILITIES UNDER A HALF MILE AT TIMES.

* IMPACTS...TRAVEL ON INTERSTATE 80 FROM THE SOUTHERN NEBRASKA
  PANHANDLE THROUGH THE INTERSTATE 80 SUMMIT AND INTERSTATE 25
  FROM THE COLORADO BORDER TO DOUGLAS WILL BE IMPACTED WITH
  REDUCED VISIBILITIES AND SNOW COVERED ROADS. REDUCED
  VISIBILITIES AND SNOW COVERED ROADS ARE LIKELY FOR ALL STATE
  HIGHWAYS FROM THE LARAMIE RANGE INTO THE WESTERN NEBRASKA
  PANHANDLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND
BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN
AREAS AND WHEN APPROACHING AND DRIVING OVER RAILROAD CROSSINGS.

&&

$$
7 follow-up statements
039 
WWUS45 KCYS 032205
WSWCYS

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
305 PM MST SAT JAN 3 2015

...SNOW AND BLOWING SNOW ENDING THIS EVENING EAST OF THE LARAMIE
RANGE...

...PROLONGED SNOW AND STRONG WINDS FOR THE SNOWY AND SIERRA MADRE
RANGES TODAY THROUGH MONDAY...

.A COLD FRONT MOVED THROUGH THE REGION THIS MORNING...PRODUCING
WIDESPREAD SNOW AND GUSTY NORTHERLY WINDS. THE SNOW WILL TAPER OFF
BY THIS EVENING...WITH WINDS DIMINISHING. MEANWHILE...A PROLONGED
SNOW EVENT COMBINED WITH STRONG WESTERLY WINDS WILL DEVELOP OVER
THE SNOWY AND SIERRA MADRE RANGES AS WELL AS ALONG INTERSTATE 80
NEAR ARLINGTON THAT WILL PERSIST THROUGH MONDAY.

WYZ110-112-114-041200-
/O.CON.KCYS.WS.W.0001.000000T0000Z-150105T1500Z/
NORTH SNOWY RANGE FOOTHILLS-SIERRA MADRE RANGE-SNOWY RANGE-
INCLUDING THE CITIES OF...ARLINGTON...ELK MOUNTAIN...CENTENNIAL...
ALBANY...WOODS LANDING
305 PM MST SAT JAN 3 2015

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 8 AM MST MONDAY...

* TIMING...SNOW WILL CONTINUE THROUGH MONDAY MORNING. WINDS WILL
  BECOME STRONGER SUNDAY AND PERSIST INTO MONDAY.

* TOTAL SNOW ACCUMULATIONS...12 TO 18 INCHES IN THE SNOWY AND
  SIERRA MADRE RANGES WITH 4 TO 8 INCHES ALONG INTERSTATE 80 NEAR
  ARLINGTON.

* WINDS/VISIBILITY...WESTERLY WINDS OF 25 TO 35 MPH WITH GUSTS TO
  50 MPH WILL TONIGHT...INCREASING TO 35 TO 45 MPH WITH GUSTS TO
  65 MPH SUNDAY. SUNDAY NIGHT...WINDS COULD BE 40 TO 50 MPH WITH
  GUSTS IN EXCESS OF 75 MPH. THESE STRONG WINDS WILL LEAD TO
  WIDESPREAD BLOWING SNOW CREATING NEAR BLIZZARD CONDITIONS.

* IMPACTS...TRAVEL ALONG INTERSTATE 80 AND STATE ROADS INTO THE 
  SNOWY AND SIERRA MADRE RANGES BETWEEN LARAMIE AND RAWLINS WILL 
  BE SEVERELY IMPACTED. NEAR BLIZZARD CONDITIONS...SUBSTANTIAL 
  BLOWING AND DRIFTING SNOW COULD LEAD TO ROAD CLOSURES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AVOID TRAVEL IN THE WARNING AREA. IF YOU ARE PLANNING TO TRAVEL
IN THE WARNING AREA...LISTEN TO THE LATEST WEATHER FORECAST AND
CONSIDER TRAVELING AT ANOTHER TIME OR BY ANOTHER ROUTE. IF YOU
MUST TRAVEL IN THE WARNING AREA...USE EXTREME CAUTION WHEN
APPROACHING AND DRIVING OVER RAILROAD CROSSINGS...TAKE ALONG A
WINTER SURVIVAL KIT. 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.

&&

$$

NEZ002-003-019>021-054-055-095-096-WYZ101>103-106>108-116>119-
040100-
/O.EXT.KCYS.WW.Y.0001.000000T0000Z-150104T0100Z/
DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE-
NORTH SIOUX-SOUTH SIOUX-CONVERSE COUNTY LOWER ELEVATIONS-
NIOBRARA COUNTY-NORTH LARAMIE RANGE-
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
EAST PLATTE COUNTY-GOSHEN COUNTY-SOUTH LARAMIE RANGE-
SOUTH LARAMIE RANGE FOOTHILLS-CENTRAL LARAMIE COUNTY-
EAST LARAMIE COUNTY-
INCLUDING THE CITIES OF...CHADRON...ALLIANCE...SCOTTSBLUFF...
GERING...HARRISBURG...BRIDGEPORT...BAYARD...KIMBALL...SIDNEY...
HARRISON...AGATE...DOUGLAS...GLENROCK...LUSK...BORDEAUX...
GLENDO...WHEATLAND...CHUGWATER...GUERNSEY...TORRINGTON...
VEDAUWOO...BUFORD...PUMPKIN VINE...HORSE CREEK...HARRIMAN...
WHITAKER...CHEYENNE...BURNS...CARPENTER...ALBIN...PINE BLUFFS
305 PM MST SAT JAN 3 2015

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 6 PM MST THIS
EVENING...

* TIMING...PERIODS OF LIGHT TO MODERATE SNOW WILL TAPER OFF BY
  THIS EVENING.

* TOTAL SNOW ACCUMULATIONS...2 TO 4 INCHES EAST OF THE LARAMIE
  RANGE WITH 4 TO 6 INCHES ALONG THE PINE RIDGE IN THE NORTHERN
  NEBRASKA PANHANDLE.

* WINDS/VISIBILITY...NORTH WINDS OF 15 TO 25 MPH WITH GUSTS TO 40
  MPH WILL CREATE BLOWING SNOW THAT WILL REDUCE VISIBILITIES UNDER
  A HALF MILE AT TIMES. THE WINDS WILL DIMINISH THIS EVENING.

* IMPACTS...TRAVEL ON INTERSTATE 80 FROM THE SOUTHERN NEBRASKA
  PANHANDLE THROUGH THE INTERSTATE 80 SUMMIT AND INTERSTATE 25
  FROM THE COLORADO BORDER TO DOUGLAS WILL BE IMPACTED WITH
  REDUCED VISIBILITIES AND SNOW COVERED ROADS. REDUCED VISIBILITIES
  AND SNOW COVERED ROADS ARE LIKELY FOR ALL STATE HIGHWAYS FROM
  THE LARAMIE RANGE INTO THE WESTERN NEBRASKA PANHANDLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT
VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND
BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN
AREAS AND WHEN APPROACHING AND DRIVING OVER RAILROAD CROSSINGS.

&&

$$

JAMSKI
649 
WWUS45 KCYS 040055
WSWCYS

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
555 PM MST SAT JAN 3 2015

...PROLONGED SNOW AND STRONG WINDS FOR THE SNOWY AND SIERRA MADRE
RANGES TODAY THROUGH MONDAY...

.A PROLONGED SNOW EVENT COMBINED WITH STRONG WESTERLY WINDS WILL
CONTINUE OVER THE SNOWY AND SIERRA MADRE RANGES AS WELL AS ALONG
INTERSTATE 80 NEAR ARLINGTON THAT WILL PERSIST THROUGH MONDAY.

NEZ002-003-019>021-054-055-095-096-WYZ101>103-106>108-116>119-
040200-
/O.EXP.KCYS.WW.Y.0001.000000T0000Z-150104T0100Z/
DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE-
NORTH SIOUX-SOUTH SIOUX-CONVERSE COUNTY LOWER ELEVATIONS-
NIOBRARA COUNTY-NORTH LARAMIE RANGE-
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
EAST PLATTE COUNTY-GOSHEN COUNTY-SOUTH LARAMIE RANGE-
SOUTH LARAMIE RANGE FOOTHILLS-CENTRAL LARAMIE COUNTY-
EAST LARAMIE COUNTY-
INCLUDING THE CITIES OF...CHADRON...ALLIANCE...SCOTTSBLUFF...
GERING...HARRISBURG...BRIDGEPORT...BAYARD...KIMBALL...SIDNEY...
HARRISON...AGATE...DOUGLAS...GLENROCK...LUSK...BORDEAUX...
GLENDO...WHEATLAND...CHUGWATER...GUERNSEY...TORRINGTON...
VEDAUWOO...BUFORD...PUMPKIN VINE...HORSE CREEK...HARRIMAN...
WHITAKER...CHEYENNE...BURNS...CARPENTER...ALBIN...PINE BLUFFS
555 PM MST SAT JAN 3 2015

...WINTER WEATHER ADVISORY WILL EXPIRE AT 6 PM MST THIS EVENING...

SNOW HAS DECREASED TO JUST A FEW FLURRIES WHILE WINDS CONTINUE TO
DIMINISH. SOME AREAS OF BLOWING SNOW MAY STILL PERSIST EARLY THIS
EVENING.

$$

WYZ110-112-114-041200-
/O.CON.KCYS.WS.W.0001.000000T0000Z-150105T1500Z/
NORTH SNOWY RANGE FOOTHILLS-SIERRA MADRE RANGE-SNOWY RANGE-
INCLUDING THE CITIES OF...ARLINGTON...ELK MOUNTAIN...CENTENNIAL...
ALBANY...WOODS LANDING
555 PM MST SAT JAN 3 2015

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 8 AM MST MONDAY...

* TIMING...SNOW WILL CONTINUE THROUGH MONDAY MORNING. WINDS WILL 
  BECOME STRONGER SUNDAY AND PERSIST INTO MONDAY. 

* TOTAL SNOW ACCUMULATIONS...12 TO 18 INCHES IN THE SNOWY AND 
  SIERRA MADRE RANGES WITH 4 TO 8 INCHES ALONG INTERSTATE 80 
  NEAR ARLINGTON. 

* WINDS/VISIBILITY...WESTERLY WINDS OF 25 TO 35 MPH WITH GUSTS 
  TO 50 MPH WILL TONIGHT...INCREASING TO 35 TO 45 MPH WITH GUSTS 
  TO 65 MPH SUNDAY. SUNDAY NIGHT...WINDS COULD BE 40 TO 50 MPH 
  WITH GUSTS IN EXCESS OF 75 MPH. THESE STRONG WINDS WILL LEAD 
  TO WIDESPREAD BLOWING SNOW CREATING NEAR BLIZZARD CONDITIONS. 

* IMPACTS...TRAVEL ALONG INTERSTATE 80 AND STATE ROADS INTO THE 
  SNOWY AND SIERRA MADRE RANGES BETWEEN LARAMIE AND RAWLINS WILL 
  BE SEVERELY IMPACTED. NEAR BLIZZARD CONDITIONS...SUBSTANTIAL 
  BLOWING AND DRIFTING SNOW COULD LEAD TO ROAD CLOSURES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AVOID TRAVEL IN THE WARNING AREA. IF YOU ARE PLANNING TO TRAVEL
IN THE WARNING AREA...LISTEN TO THE LATEST WEATHER FORECAST AND
CONSIDER TRAVELING AT ANOTHER TIME OR BY ANOTHER ROUTE. IF YOU
MUST TRAVEL IN THE WARNING AREA...USE EXTREME CAUTION WHEN
APPROACHING AND DRIVING OVER RAILROAD CROSSINGS...TAKE ALONG A
WINTER SURVIVAL KIT. 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.

&&

$$
043 
WWUS45 KCYS 040754
WSWCYS

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
1254 AM MST SUN JAN 4 2015

...PROLONGED SNOW AND VERY STRONG WINDS FOR THE SNOWY AND SIERRA
MADRE RANGES TODAY THROUGH MONDAY NIGHT...

.A PROLONGED SNOW EVENT COMBINED WITH STRONG WESTERLY WINDS WILL
CONTINUE OVER THE SNOWY AND SIERRA MADRE RANGES AS WELL AS ALONG
INTERSTATE 80 NEAR ARLINGTON THAT WILL PERSIST THROUGH MONDAY.

WYZ110-112-114-050000-
/O.EXT.KCYS.WS.W.0001.000000T0000Z-150106T1200Z/
NORTH SNOWY RANGE FOOTHILLS-SIERRA MADRE RANGE-SNOWY RANGE-
INCLUDING THE CITIES OF...ARLINGTON...ELK MOUNTAIN...CENTENNIAL...
ALBANY...WOODS LANDING
1254 AM MST SUN JAN 4 2015

...WINTER STORM WARNING NOW IN EFFECT UNTIL 5 AM MST TUESDAY...

* TIMING...SNOW WILL CONTINUE THROUGH TUESDAY MORNING. WINDS WILL
  BECOME STRONGER SUNDAY AND PERSIST INTO MONDAY.

* TOTAL SNOW ACCUMULATIONS...12 TO 18 INCHES IN THE SNOWY AND 
  SIERRA MADRE RANGES WITH 4 TO 8 INCHES ALONG INTERSTATE 80 
  NEAR ARLINGTON. 

* WINDS/VISIBILITY...WESTERLY WINDS OF 25 TO 35 MPH WITH GUSTS TO
  50 MPH THIS MORNING...INCREASING TO 35 TO 45 MPH WITH GUSTS TO
  65 MPH BY NOON TODAY. TONIGHT...WINDS COULD BE 45 TO 55 MPH WITH
  GUSTS IN EXCESS OF 85 MPH. THESE STRONG WINDS WILL LEAD TO
  WIDESPREAD BLOWING SNOW CREATING NEAR BLIZZARD CONDITIONS.

* IMPACTS...TRAVEL ALONG INTERSTATE 80 AND STATE ROADS INTO THE 
  SNOWY AND SIERRA MADRE RANGES BETWEEN LARAMIE AND RAWLINS WILL 
  BE SEVERELY IMPACTED. NEAR BLIZZARD CONDITIONS...SUBSTANTIAL 
  BLOWING AND DRIFTING SNOW COULD LEAD TO ROAD CLOSURES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AVOID TRAVEL IN THE WARNING AREA. IF YOU ARE PLANNING TO TRAVEL
IN THE WARNING AREA...LISTEN TO THE LATEST WEATHER FORECAST AND
CONSIDER TRAVELING AT ANOTHER TIME OR BY ANOTHER ROUTE. IF YOU
MUST TRAVEL IN THE WARNING AREA...USE EXTREME CAUTION WHEN
APPROACHING AND DRIVING OVER RAILROAD CROSSINGS...TAKE ALONG A
WINTER SURVIVAL KIT. 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.

&&

$$
541 
WWUS45 KCYS 042120
WSWCYS

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
220 PM MST SUN JAN 4 2015

...SNOW AND STRONG WINDS TO CONTINUE FOR THE SNOWY AND SIERRA
MADRE MOUNTAIN RANGES THROUGH MONDAY NIGHT... 

.MODERATE TO HEAVY MOUNTAIN SNOWS WILL PERSIST OVER THE SNOWY AND
SIERRA MADRE MOUNTAIN RANGES THROUGH MONDAY NIGHT. THIS COMBINED
WITH STRONG WESTERLY WINDS WILL CREATE SIGNIFICANT BLOWING AND
DRIFTING SNOW IN THE MOUNTAINS...AS WELL AS ALONG INTERSTATE 80
NEAR ARLINGTON. TRAVEL WILL BECOME EXTREMELY DIFFICULT OR EVEN
IMPOSSIBLE ON MONDAY MORNING AND AFTERNOON WITH LOCAL WHITEOUT
CONDITIONS LIKELY. 

WYZ110-112-114-051215-
/O.CON.KCYS.WS.W.0001.000000T0000Z-150106T1200Z/
NORTH SNOWY RANGE FOOTHILLS-SIERRA MADRE RANGE-SNOWY RANGE-
INCLUDING THE CITIES OF...ARLINGTON...ELK MOUNTAIN...CENTENNIAL...
ALBANY...WOODS LANDING
220 PM MST SUN JAN 4 2015

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST
TUESDAY...

* TIMING...AREAS OF SNOW WILL CONTINUE OVER THE MOUNTAINS AND
  ADJACENT NORTH SNOWY RANGE FOOTHILLS THROUGH EARLY TUESDAY
  MORNING. 

* TOTAL SNOW ACCUMULATIONS...12 TO 18 INCHES IN THE SNOWY AND
  SIERRA MADRE MOUNTAIN RANGES. ONE TO THREE INCHES OF SNOW IS
  EXPECTED ALONG INTERSTATE 80 NEAR ARLINGTON. 

* WINDS/VISIBILITY...WEST WINDS OF 35 TO 45 MPH WITH GUSTS TO 60
  MPH WILL CONTINUE THROUGH TONIGHT. WINDS MAY GUST IN EXCESS OF
  75 MPH AT TIMES ON MONDAY MORNING AND AFTERNOON. THESE STRONG
  WINDS WILL LEAD TO WIDESPREAD BLOWING SNOW CREATING NEAR
  BLIZZARD CONDITIONS. 

* IMPACTS...TRAVEL ALONG INTERSTATE 80 AND STATE ROADS INTO THE 
  SNOWY AND SIERRA MADRE RANGES BETWEEN LARAMIE AND RAWLINS WILL 
  BE SEVERELY IMPACTED. NEAR BLIZZARD CONDITIONS...SUBSTANTIAL 
  BLOWING AND DRIFTING SNOW COULD LEAD TO ROAD CLOSURES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AVOID TRAVEL IN THE WARNING AREA. IF YOU ARE PLANNING TO TRAVEL
IN THE WARNING AREA...LISTEN TO THE LATEST WEATHER FORECAST AND
CONSIDER TRAVELING AT ANOTHER TIME OR BY ANOTHER ROUTE. IF YOU
MUST TRAVEL IN THE WARNING AREA...USE EXTREME CAUTION WHEN
APPROACHING AND DRIVING OVER RAILROAD CROSSINGS...TAKE ALONG A
WINTER SURVIVAL KIT. 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.

&&

$$

HAMMER
552 
WWUS45 KCYS 050826
WSWCYS

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
126 AM MST MON JAN 5 2015

...SNOW AND STRONG WINDS TO CONTINUE FOR THE SNOWY AND SIERRA
MADRE MOUNTAIN RANGES THROUGH MONDAY NIGHT...

.MODERATE TO HEAVY MOUNTAIN SNOWS WILL PERSIST OVER THE SNOWY AND
SIERRA MADRE MOUNTAIN RANGES THROUGH MONDAY NIGHT. THIS COMBINED
WITH STRONG WESTERLY WINDS WILL CREATE SIGNIFICANT BLOWING AND
DRIFTING SNOW IN THE MOUNTAINS...AS WELL AS ALONG INTERSTATE
80 NEAR ARLINGTON. TRAVEL WILL BECOME EXTREMELY DIFFICULT OR EVEN
IMPOSSIBLE TODAY WITH LOCAL WHITEOUT CONDITIONS LIKELY.

WYZ110-112-114-060000-
/O.CON.KCYS.WS.W.0001.000000T0000Z-150106T1200Z/
NORTH SNOWY RANGE FOOTHILLS-SIERRA MADRE RANGE-SNOWY RANGE-
INCLUDING THE CITIES OF...ARLINGTON...ELK MOUNTAIN...CENTENNIAL...
ALBANY...WOODS LANDING
126 AM MST MON JAN 5 2015

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST
TUESDAY...

* TIMING...AREAS OF SNOW WILL CONTINUE OVER THE MOUNTAINS AND 
  ADJACENT NORTH SNOWY RANGE FOOTHILLS THROUGH EARLY TUESDAY 
  MORNING. 

* TOTAL SNOW ACCUMULATIONS...12 TO 18 INCHES IN THE SNOWY AND 
  SIERRA MADRE MOUNTAIN RANGES. ONE TO THREE INCHES OF SNOW IS 
  EXPECTED ALONG INTERSTATE 80 NEAR ARLINGTON. 

* WINDS/VISIBILITY...WEST WINDS OF 35 TO 45 MPH WITH GUSTS TO 60
  MPH WILL CONTINUE THROUGH TONIGHT. WINDS MAY GUST IN EXCESS OF
  75 MPH AT TIMES THIS MORNING AND AFTERNOON. THESE STRONG WINDS
  WILL LEAD TO WIDESPREAD BLOWING SNOW CREATING NEAR BLIZZARD
  CONDITIONS.

* IMPACTS...TRAVEL ALONG INTERSTATE 80 AND STATE ROADS INTO THE 
  SNOWY AND SIERRA MADRE RANGES BETWEEN LARAMIE AND RAWLINS WILL 
  BE SEVERELY IMPACTED. NEAR BLIZZARD CONDITIONS...SUBSTANTIAL 
  BLOWING AND DRIFTING SNOW COULD LEAD TO ROAD CLOSURES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AVOID TRAVEL IN THE WARNING AREA. IF YOU ARE PLANNING TO TRAVEL
IN THE WARNING AREA...LISTEN TO THE LATEST WEATHER FORECAST AND
CONSIDER TRAVELING AT ANOTHER TIME OR BY ANOTHER ROUTE. IF YOU
MUST TRAVEL IN THE WARNING AREA...USE EXTREME CAUTION WHEN
APPROACHING AND DRIVING OVER RAILROAD CROSSINGS...TAKE ALONG A
WINTER SURVIVAL KIT. 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.

&&

$$

RUBIN
741 
WWUS45 KCYS 051742
WSWCYS

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
1042 AM MST MON JAN 5 2015

...SNOW AND STRONG WINDS TO CONTINUE FOR THE SNOWY AND SIERRA
MADRE MOUNTAIN RANGES THROUGH MONDAY NIGHT...

.MODERATE TO HEAVY MOUNTAIN SNOWS WILL PERSIST OVER THE SNOWY AND
SIERRA MADRE MOUNTAIN RANGES THROUGH TONIGHT. THIS COMBINED WITH
STRONG WESTERLY WINDS WILL CREATE SIGNIFICANT BLOWING AND DRIFTING
SNOW IN THE MOUNTAINS...AS WELL AS ALONG INTERSTATE 80 NEAR
ARLINGTON. TRAVEL WILL BECOME EXTREMELY DIFFICULT OR EVEN
IMPOSSIBLE TODAY WITH LOCAL WHITEOUT CONDITIONS LIKELY. INTERSTATE
80 HAS BEEN CLOSED DUE TO WINTER CONDITIONS BETWEEN LARAMIE AND
RAWLINS. 

WYZ110-112-114-061200-
/O.CON.KCYS.WS.W.0001.000000T0000Z-150106T1200Z/
NORTH SNOWY RANGE FOOTHILLS-SIERRA MADRE RANGE-SNOWY RANGE-
INCLUDING THE CITIES OF...ARLINGTON...ELK MOUNTAIN...CENTENNIAL...
ALBANY...WOODS LANDING
1042 AM MST MON JAN 5 2015

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST
TUESDAY...

* TIMING...AREAS OF SNOW WILL CONTINUE OVER THE MOUNTAINS AND 
  ADJACENT NORTH SNOWY RANGE FOOTHILLS THROUGH EARLY TUESDAY 
  MORNING. 

* TOTAL SNOW ACCUMULATIONS...10 TO 15 INCHES IN THE SNOWY AND
  SIERRA MADRE MOUNTAIN RANGES. ONE TO THREE INCHES OF SNOW IS
  EXPECTED ALONG INTERSTATE 80 NEAR ARLINGTON.

* WINDS/VISIBILITY...WEST WINDS OF 40 TO 50 MPH WITH GUSTS TO 75
  MPH WILL CONTINUE THROUGH TONIGHT. WINDS MAY GUST IN EXCESS OF
  85 MPH AT TIMES TODAY. NEAR BLIZZARD CONDITIONS ARE OCCURRING
  WITH SIGNIFICANT BLOWING SNOW AND WILL CONTINUE THROUGH TONIGHT. 

* IMPACTS...TRAVEL ALONG INTERSTATE 80 AND STATE ROADS INTO THE
  SNOWY AND SIERRA MADRE RANGES BETWEEN LARAMIE AND RAWLINS WILL
  BE SEVERELY IMPACTED. INTERSTATE 80 HAS BEEN CLOSED DUE TO
  WINTER CONDITIONS IN THE ARLINGTON AREA BETWEEN LARAMIE AND
  RAWLINS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AVOID TRAVEL IN THE WARNING AREA. IF YOU ARE PLANNING TO TRAVEL
IN THE WARNING AREA...LISTEN TO THE LATEST WEATHER FORECAST AND
CONSIDER TRAVELING AT ANOTHER TIME OR BY ANOTHER ROUTE. IF YOU
MUST TRAVEL IN THE WARNING AREA...USE EXTREME CAUTION WHEN
APPROACHING AND DRIVING OVER RAILROAD CROSSINGS...TAKE ALONG A
WINTER SURVIVAL KIT. 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.

&&

$$

HAMMER
928 
WWUS45 KCYS 060844
WSWCYS

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
144 AM MST TUE JAN 6 2015

WYZ110-112-114-060945-
/O.CAN.KCYS.WS.W.0001.000000T0000Z-150106T1200Z/
NORTH SNOWY RANGE FOOTHILLS-SIERRA MADRE RANGE-SNOWY RANGE-
INCLUDING THE CITIES OF...ARLINGTON...ELK MOUNTAIN...CENTENNIAL...
ALBANY...WOODS LANDING
144 AM MST TUE JAN 6 2015

...WINTER STORM WARNING IS CANCELLED...

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

WINDS AND SNOW HAVE DECREASED IN INTENSITY TONIGHT WITH OBSERVATIONS
ACROSS THE AREA SHOWING MINIMAL BLOWING SNOW. WEST TO SOUTHWEST
WINDS WILL REMAIN GUSTING 40 TO 50 MPH OVERNIGHT WHICH MAY PRODUCE
PATCHY AREAS OF BLOWING SNOW...HOWEVER WHITEOUT CONDITIONS ARE NOT
ANTICIPATED. CONTINUE TO USE CAUTION IF TRAVELING THROUGH THE
AREA.

$$

What forecasters said that day

The local office's own words before this winter storm 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 winter storm warning went out at Jan 2, 9:30 PM MST, 3 hours 59 minutes earlier.

Area forecast discussion, Jan 2, 9:30 PM MST, 3 hours 59 minutes before
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE CHEYENNE WY
930 PM MST FRI JAN 2 2015

.UPDATE...
ISSUED AT 930 PM MST FRI JAN 2 2015

WE HAD SOME AREAS OF DENSE FOG FORM UP IN THE NORTH PLATTE RIVER
VALLEY EARLIER THIS EVENING AND ISSUES A DENSE FOG ADVISORY
ROUGHLY FROM THE TORRINGTON AREA SOUTHEAST THROUGH THE
GERING...SCOTTSBLUFF...AND BRIDGEPORT AREAS. THICKEST FOG IS
LIKELY NEAR THE RIVER...BUT THE FOG MAY BECOME A LITTLE MORE
WIDESPREAD GIVEN LIGHT WINDS AND GROUND MOISTURE. WE EXPECT THE
FOG TO START TO LIFT TOWARDS 4 AM WHEN WESTERLY WINDS PICK UP
AHEAD OF THE COLD FRONT. OTHERWISE...MADE A FEW TEMPERATURE
ADJUSTMENTS. CHEYENNE'S TEMPERATURE HAS HELD NEARLY STEADY AND
GIVEN WEST DOWNSLOPING WINDS 10 TO 20 MPH IT MAY NOT GET DOWN INTO
THE TEENS AS THE FRONT IS JUST NOW MAKING ITS WAY INTO SOUTHERN
MONTANA...SO SOME FURTHER ADJUSTMENTS TO TEMPERATURES WILL BE MADE
BEFORE 10 PM.

THE FRONT SHOULD MOVE THROUGH SOUTHEAST WYOMING BETWEEN DAYBREAK
AND 10 AM...WITH LIGHT TO MODERATE SNOW BECOMING MORE WIDESPREAD
THROUGH THE MORNING INTO THE AFTERNOON HOURS. EVEN THOUGH THIS
IS NOT A MAJOR WINTER STORM SYSTEM...GIVEN INCREASED TRAVEL
THROUGH THE REGION OF PEOPLE RETURNING FROM THE HOLIDAYS...WE
ISSUED A SPECIAL WEATHER STATEMENT TO RAISE AWARENESS OF POTENTIAL
IMPACTS TO TRAVELLERS TOMORROW.

&&

.SHORT TERM...(THIS EVENING THROUGH SUNDAY)
ISSUED AT 259 PM MST FRI JAN 2 2015

THE LLVL GRADIENT HAS INCREASED TO AROUND 40-45 METERS THIS AFTN
ACROSS SOUTHEAST WY.  GETTING A FEW GUSTS TO 35-40 MPH IN THE
ARLINGTON AND BORDEAUX AREAS.  NOT EXPECTING THE WINDS TO INCREASE
MUCH THROUGH THE REMAINDER OF THE NIGHT AS THE GRADIENT WILL STAY
RATHER CONSTANT.  FOCUS FOR SATURDAY SHIFTS TO THE SNOWFALL EVENT
THAT WILL IMPACT THE AREA DURING THE MORNING THROUGH THE EARLY
EVENING.  THE MODELS HAVE REMAINED REALLY CONSISTENT OVER THE PAST
FEW DAYS AT SHOWING A VERY PROGRESSIVE SHORTWAVE DIVING
SOUTHEASTWARD OVER CENTRAL WY ON SATURDAY.  LARGE SCALE QG ASCENT
INCREASES ACROSS THE CWA BY MID-MORNING BEHIND THE FROPA.  THERE IS
A 6-9 HR WINDOW WHERE UPWARD MOTION IS DECENT IN THE DENDRITE GROWTH
ZONE.  THE PROGRESSIVE NATURE OF THIS SYSTEM WILL LIKELY KEEP
SNOWFALL AMOUNTS BELOW 3 INCHES ACROSS MOST LOWER ELEVATION
LOCATIONS.  THE SIERRA MADRE AND SNOWY RANGES WILL SEE 4-6 INCHES.

NORTHERLY WINDS WILL BE GUSTY THROUGH THE AFTN BEHIND THE FROPA.  A
LOOK AT SOUNDINGS ACROSS THE PLAINS SHOWS THE POTENTIAL FOR GUSTS TO
30-35 MPH OVER AREAS TO THE EAST OF THE LARAMIE RANGE.  THE SOUTHERN
PANHANDLE MAY EXPERIENCE GUSTS TO 40 MPH.  CONTEMPLATED ISSUING A
WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW FOR THE SOUTHERN
PANHANDLE (WHERE WINDS ARE HIGHEST) HOWEVER FEEL THAT SNOWFALL
AMOUNTS AND DURATION ARE TOO MARGINAL.  WILL CARRY AREAS OF BLOWING
SNOW IN THE GRIDS AND MENTION IN THE HWO.  SNOW COMES TO AN END
SHORTLY AFTER 00Z SUN AND WINDS DECREASE.  LOWS WILL BE QUITE COLD
ON SAT NIGHT WITH THE COLDEST READINGS OVER THE PANHANDLE.  WIND
CHILL VALUES APPROACH -20F OUT THERE SO MAY NEED AN ADVISORY LATER.

STRONG NORTHWESTERLY FLOW ALOFT IS IN PLACE FOR SUNDAY.  SFC TROUGH
SETS UP DURING THE DAY ALONG INTERSTATE 80 FROM LARAMIE TO RAWLINS
WITH HIGHER PRESSURES ALONG AND EAST OF THE LARAMIE RANGE.  DID
DECREASE WINDSPEEDS ALONG THE SOUTHERN LARAMIE RANGE AND NEAR
BORDEAUX AS THE PRESSURE PATTERN DOES NOT LOOK AS CONDUCIVE FOR HIGH
WINDS TO THE EAST OF ALBANY COUNTY.  ARLINGTON ON THE OTHER HAND MAY
SEE GUSTS TO 50-55 MPH AS THE CAG-CPR GRADIENT RISES TO 55 METERS.
WILL HAVE TO WATCH FOR AREAS OF BLOWING SNOW ALONG INTERSTATE 80 IN
ARLINGTON.  SHORTWAVE MOVING OVER THE DAKOTAS DURING THE EVENING
WILL CAUSE ANOTHER FRONT TO BACK INTO THE PANHANDLE.

.LONG TERM...(SUNDAY NIGHT THROUGH FRIDAY)
ISSUED AT 259 PM MST FRI JAN 2 2015

STRONG WINDS LOOK LIKELY ESPECIALLY IN THE WIND FAVORED AREAS
LATER SUNDAY NIGHT INTO MONDAY WITH LATEST NAM PROGGING 70KTS
SPEEDS AT 700MB OVER THE SRN LARAMIE RANGE. FAVORABLE DOWNWARD
MOTION LOOKS TO BE IN THIS AREA AS WELL...POSSIBLY SPREADING INTO
THE ADJACENT HIGH PLAINS FOR A SHORT TIME MONDAY MORNING. WINDS
WILL EASE SLOWLY DURING THE DAY MONDAY INTO MONDAY NIGHT. AFTER
THAT THE UPPER PATTERN WILL BE ESTABLISHED WITH A GENERALLY WNW
FLOW ALOFT OVER THE AREA. THERE WILL BE A COUPLE OF SURGES OF
COLDER AIR DROP OUT OF CANADA DOWN THE PLAINS...LIKELY DELIVERING
BRIEF SHOTS OF COLDER AIR TO THE PLAINS BEFORE RETREATING...SO
TEMPS WILL BE RATHER UP AND DOWN NEXT WEEK. NO SIGNIFICANT PCPN
WITH PERIODS OF SNOW SHOWERS MAINLY AFFECTING THE MTNS EARLY IN
THE WEEK.

&&

.AVIATION...(FOR THE 06Z TAFS THROUGH 06Z SUNDAY MORNING)
ISSUED 930 PM MST FRI JAN 2 2015

WITH THE EXCEPTION OF SCOTTSBLUFF WHERE PERIODS OF LIFR IN FOG
WILL BE SEEN THROUGH 09Z...VFR EXPECTED UNTIL CONDITIONS START
DETERIORATING 12-18Z FROM NW TO SE ONCE A COLD FRONT PASSES
ACROSS WITH CIGS LOWERING AND LIGHT SNOW DEVELOPING. GENERALLY
EXPECT LIFR AT ALL AIRPORTS BY 18Z IN SNOW AND BLOWING SNOW.
VISIBILITIES AND CEILINGS WILL START TO LIFT 00-03Z ON SUNDAY.

&&

.FIRE WEATHER...
ISSUED AT 259 PM MST FRI JAN 2 2015

NO FIRE WEATHER CONCERNS THROUGH EARLY NEXT WEEK.  WIDESPREAD
SNOWFALL ACCUMULATIONS OF 2-3 INCHES ARE EXPECTED FROM SATURDAY
MORNING THROUGH THE EARLY EVENING.  WITH THE COOL TEMPERATURES
CONTINUING...SNOW COVER WILL REMAIN ACROSS LOWER ELEVATIONS THROUGH
AT LEAST THE MIDDLE OF NEXT WEEK.

&&

.CYS WATCHES/WARNINGS/ADVISORIES...
WY...DENSE FOG ADVISORY UNTIL 4 AM MST SATURDAY FOR WYZ108.

NE...DENSE FOG ADVISORY UNTIL 4 AM MST SATURDAY FOR NEZ019>021-096.

&&

UPDATE...JG
SHORT TERM...ZF
LONG TERM...RE
AVIATION...RE
FIRE WEATHER...ZF
Hazardous weather outlook, Jan 2, 1:17 PM MST, 12 hours 12 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHEYENNE WY
117 PM MST FRI JAN 2 2015

WYZ101>119-032030-
CONVERSE COUNTY LOWER ELEVATIONS-NIOBRARA COUNTY-
NORTH LARAMIE RANGE-FERRIS/SEMINOE/SHIRLEY MOUNTAINS-
SHIRLEY BASIN-CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
EAST PLATTE COUNTY-GOSHEN COUNTY-CENTRAL CARBON COUNTY-
NORTH SNOWY RANGE FOOTHILLS-SOUTHWEST CARBON COUNTY-
SIERRA MADRE RANGE-UPPER NORTH PLATTE RIVER BASIN-SNOWY RANGE-
LARAMIE VALLEY-SOUTH LARAMIE RANGE-SOUTH LARAMIE RANGE FOOTHILLS-
CENTRAL LARAMIE COUNTY-EAST LARAMIE COUNTY-
117 PM MST FRI JAN 2 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EAST CENTRAL
WYOMING...SOUTH CENTRAL WYOMING AND SOUTHEAST WYOMING.

.DAY ONE...THIS AFTERNOON AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

WIDESPREAD SNOW WILL DEVELOP ON SATURDAY MORNING BEHIND A COLD
FRONT AND WILL PERSIST THROUGH EARLY EVENING. SNOWFALL
ACCUMULATIONS OF 2-3 INCHES ACROSS THE LOWER ELEVATIONS AND 4-6
INCHES IN THE MOUNTAINS ARE EXPECTED. NORTHERLY WINDS WILL GUST TO
30-35 MPH ACROSS THE PLAINS CREATING AREAS OF BLOWING SNOW.

STRONG WEST TO SOUTHWEST WINDS WILL DEVELOP ON SUNDAY FROM LARAMIE
TO RAWLINS. GUSTS TO 50 MPH WILL BE POSSIBLE IN THE ARLINGTON
AREA. THE STRONG WINDS WILL THEN SPREAD TO THE REST OF SOUTHEAST
WYOMING ON MONDAY WITH GUSTS TO 60 MPH POSSIBLE MAINLY IN THE WIND
PRONE AREAS. WIDESPREAD STRONG WINDS AND BLOWING SNOW COULD
IMPACT TRAVEL.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE REQUIRED.

NEZ002-003-019>021-054-055-095-096-032030-
DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE-
NORTH SIOUX-SOUTH SIOUX-
117 PM MST FRI JAN 2 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WESTERN
NEBRASKA.

.DAY ONE...THIS AFTERNOON AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

WIDESPREAD SNOW WILL DEVELOP ON SATURDAY MORNING BEHIND A COLD
FRONT AND WILL PERSIST THROUGH EARLY EVENING. SNOWFALL
ACCUMULATIONS OF 2-3 INCHES ARE EXPECTED. NORTHERLY WINDS WILL
GUST TO 30-35 MPH CREATING AREAS OF BLOWING SNOW.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE REQUIRED.

In the hours before

Special weather statement, Jan 2, 8:36 PM MST, 4 hours 53 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
836 PM MST FRI JAN 2 2015

NEZ002-003-019>021-054-055-095-096-WYZ101>119-031200-
DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE-
NORTH SIOUX-SOUTH SIOUX-CONVERSE COUNTY LOWER ELEVATIONS-
NIOBRARA COUNTY-NORTH LARAMIE RANGE-
FERRIS/SEMINOE/SHIRLEY MOUNTAINS-SHIRLEY BASIN-
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
EAST PLATTE COUNTY-GOSHEN COUNTY-CENTRAL CARBON COUNTY-
NORTH SNOWY RANGE FOOTHILLS-SOUTHWEST CARBON COUNTY-
SIERRA MADRE RANGE-UPPER NORTH PLATTE RIVER BASIN-SNOWY RANGE-
LARAMIE VALLEY-SOUTH LARAMIE RANGE-SOUTH LARAMIE RANGE FOOTHILLS-
CENTRAL LARAMIE COUNTY-EAST LARAMIE COUNTY-
INCLUDING THE CITIES OF...CHADRON...ALLIANCE...SCOTTSBLUFF...
GERING...HARRISBURG...BRIDGEPORT...BAYARD...KIMBALL...SIDNEY...
HARRISON...AGATE...DOUGLAS...GLENROCK...LUSK...MUDDY GAP...
MEDICINE BOW...BORDEAUX...GLENDO...WHEATLAND...CHUGWATER...
GUERNSEY...TORRINGTON...RAWLINS...SINCLAIR...HANNA...ARLINGTON...
ELK MOUNTAIN...BAGGS...DIXON...SARATOGA...ENCAMPMENT...
RIVERSIDE...CENTENNIAL...ALBANY...WOODS LANDING...LARAMIE...
VEDAUWOO...BUFORD...PUMPKIN VINE...HORSE CREEK...HARRIMAN...
WHITAKER...CHEYENNE...BURNS...CARPENTER...ALBIN...PINE BLUFFS
836 PM MST FRI JAN 2 2015

...MORE SNOW...BLOWING SNOW AND BLUSTERY WEATHER EXPECTED ON SATURDAY
FOR SOUTHEAST WYOMING AND THE WESTERN NEBRASKA PANHANDLE...

A FAST MOVING UPPER LEVEL DISTURBANCE WILL MOVE ACROSS WYOMING AND
WESTERN NEBRASKA ON SATURDAY BRINGING PERIODS OF SNOW TO THE REGION.
THE SNOW WILL SPREAD SOUTHWARD INTO SOUTHEAST WYOMING AND WESTERN
NEBRASKA SATURDAY MORNING AND WILL BE MOST WIDESPREAD THROUGH THE
AFTERNOON BEFORE DIMINISHING SATURDAY EVENING.

AT THIS TIME...FORECASTERS ARE EXPECTING MOST LOCATIONS WILL SEE
LIGHT SNOW ACCUMULATIONS. AN ADDITIONAL 1 TO 3 INCHES OF SNOW IS
EXPECTED FOR LOWER ELEVATIONS WITH 4 TO 6 INCHES OF NEW SNOW IN
THE MOUNTAINS BY SATURDAY NIGHT. WHILE THIS IS NOT EXPECTED TO
BE A MAJOR WINTER STORM SYSTEM...TRAVELLERS ACROSS THE REGION
COULD STILL SEE IMPACTS IN THE FORM OF SLICK ROADWAYS AND PERIODS
OF REDUCED VISIBILITY IN SNOW OR BLOWING SNOW ON SATURDAY.

IF TRAVELING BY VEHICLE...BE SURE TO HAVE A WINTER WEATHER
SURVIVAL KIT...AND IF YOU BECOME STRANDED...STAY WITH YOUR VEHICLE
UNTIL HELP ARRIVES.

PERSONS PLANNING TRAVEL ACROSS SOUTHEAST WYOMING AND THE WESTERN
NEBRASKA PANHANDLE ON SATURDAY SHOULD CHECK ROAD CONDITIONS AND
THE LATEST WEATHER FORECAST BEFORE DEPARTURE. MONITOR NEWS MEDIA
BROADCASTS AND CHECK YOUR NOAA ALL HAZARDS WEATHER RADIO FOR THE
LATEST FORECAST INFORMATION REGARDING SATURDAY'S WINTER WEATHER.

ON THE INTERNET...FOR ROAD CONDITIONS IN WYOMING GO TO WWW.WYOROAD.INFO

FOR ROAD CONDITIONS IN NEBRASKA GO TO WWW.TRANSPORTATION.NEBRASKA.GOV

FOR DETAILED ROAD AND TRAVEL CONDITIONS IN WYOMING AND NEBRASKA
BY PHONE...DIAL 5 1 1.

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 2, 7:20 PM MSTDense Fog AdvisoryCYSGoshen6 hr
Jan 3, 1:29 AM MSTWinter Weather AdvisoryCYSAlbany, Converse, Goshen, Laramie, Niobrara, Platte17 hr
Jan 3, 1:43 AM MSTHigh Wind WatchCYSAlbany, Laramie, Platte14 hr
Jan 3, 3:13 PM MSTHigh Wind WarningCYSAlbany, Carbon, Converse, Goshen, Laramie, Niobrara and 1 more58 hr

Nearby

Winter Storm Warnings in Wyoming, 2015Every winter storm warning in 2015

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.