Alert archive / Wyoming / Blizzard Warnings in 2016

Blizzard Warning 1, NWS Cheyenne, WY

February 3, 20164 counties in Wyoming

NWS Cheyenne, WY issued this blizzard warning at Feb 3, 2016, 1:35 AM MST for 4 counties in Wyoming. It took effect at Feb 3, 2016, 7:00 PM MST. It was in force for 16 hr. 11 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
Feb 3, 2016, 1:35 AM MST (08:35 UTC)
In effect from
Feb 3, 2016, 7:00 PM MST
Expired
Feb 4, 2016, 10:52 AM MST
In force
16 hr
Issued by
NWS Cheyenne, WY

Counties Albany County, WY, Carbon County, WY, Laramie County, WY, Platte County, WY

The radar

The Cheyenne radar (KCYS), 88 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
Feb 3, 7:00 PM MSTSNOW 01 Ene Buford, WYBUFORD EAST WYDOT SITE. WINDS 37 MPH SUSTAINED GUSTING TO 50 MPH. VISIBILITY SENSOR REPORTING VISIBILITY UNDER A HALF MILE FOR THE PAST HOUR. LOWEST VISIBILITY REPORTED WAS .37 MILES.
Feb 3, 7:15 PM MSTSNOW 07 Ese Arlington, WYCOOPER COVE WYDOT SITE. WINDS 37 MPH SUSTAINED GUSTS TO 51 MPH FOR PAST HOUR. VISIBILITY SENSOR UNDER A HALF MILE FOR PAST HOUR. LOWEST VISIBILITY .38 MILES.
Feb 3, 8:00 PM MSTSNOW 02 E Arlington, WYARLINGTON EAST WYDOT SITE. WINDS 35 MPH SUSTAINED WITH GUSTS TO 49 MPH. VISIBILITY SENSOR REPORTING VISIBILTY UNDER A HALF MILE FOR PAST HOUR. LOWEST VISIBILITY .39 MILES.
Feb 3, 8:41 PM MSTBLIZZARD11 Se Arlington, WYSTROUSS HILL WYDOT SITE. SUSTAINED WINDS 35 MPH WITH GUSTS TO 50 MPH. VISIBILITY SENSOR UNDER A QUARTER MILE FOR PAST HOUR. LOWEST VISIBILITY .13 MILES.
Feb 3, 9:05 PM MSTSNOW 0Buford, WYINTERSTATE 80 CLOSED BETWEEN CHEYENNE AND LARAMIE DUE TO STRONG WINDS AND BLOWING SNOW. ESTIMATED CLOSURE TIME 8 HOURS.
Feb 3, 9:25 PM MSTSNOW 0Bordeaux, WYINTERSTATE 25 CLOSED BETWEEN CHEYENNE AND WHEATLAND DUE TO STRONG WINDS AND BLOWING SNOW. ESTIMATED CLOSURE TIME 8 HOURS.
Feb 3, 9:50 PM MSTBLIZZARDBordeaux, WYWYDOT SENSOR AT BORDEAUX. WINDS 42 MPH GUSTING TO 55 MPH. VISIBILITY SENSOR REPORTING VISIBILITY AT .08 MILES.
Feb 3, 10:59 PM MSTBLIZZARDBordeaux, WYSUSTAINED WINDS 35 MPH GUSTING TO 50 MPH. VISIBILITY UNDER A QUARTER MILE FOR PAST HOUR. LOWEST VISIBILITY REPORTED .13 MILES.
Feb 4, 2:56 AM MSTBLIZZARD2 E Arlington, WYARLINGTON EAST WYDOT SITE. WINDS 39 MPH SUSTAINED WITH GUSTS TO 55 MPH. GROUND BLIZZARD CONDITIONS WITH VISIBILITIES UNDER A QUARTER MILE.
Feb 4, 4:10 AM MSTBLIZZARD10 W Cheyenne, WYCOUNTY OFFICIALS REPORT STRONG WINDS AND WHITEOUT CONDITIONS JUST WEST OF CHEYENNE. HAPPY JACK ROAD AND OTHER ROADS WEST OF THE CITY CLOSED AND DRIFTED. RURAL SCHOOLS WEST OF TOWN CLOSED FOR TODAY.
Feb 4, 4:25 AM MSTBLIZZARD7 Ese Arlington, WYCOOPER COVE WYDOT SITE. WINDS 42 MPH SUSTAINED WITH GUSTS TO 57 MPH. VISIBILITIES REPORTED AT .25 MILES.

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, 8.6 hours before the alert went out and 278 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 2016-02-03Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Riverton, WY at 00:00Z on 2016-02-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 18 square meters per square second.1939Sfc1 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
1246 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
18 m²/s²
0-3 km storm-relative helicity
23 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

499 
WWUS45 KCYS 030835
WSWCYS

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
135 AM MST WED FEB 3 2016

...STRONG WINDS THIS EVENING EXPECTED TO PRODUCE BLOWING SNOW AND
DANGEROUS DRIVING CONDITIONS...

.WINDS ARE EXPECTED TO INCREASE OVER PARTS OF SOUTHEAST WYOMING
TODAY AND BE STRONGEST TONIGHT. WIND GUSTS IN EXCESS OF 60 MPH
ARE EXPECTED TO DEVELOP THIS EVENING AND CONTINUE THROUGH THURSDAY
MORNING IN THE WIND PRONE AREAS OF SOUTHEAST WYOMING. OUTSIDE THE
WIND PRONE AREAS...WIND GUSTS OF 40 TO 45 MPH WILL CREATE AREAS OF
BLOWING SNOW ALONG AND WEST OF THE LARAMIE RANGE.

WYZ106-110-116-117-040000-
/O.UPG.KCYS.WW.Y.0011.160204T0100Z-160204T2200Z/
/O.NEW.KCYS.BZ.W.0001.160204T0200Z-160204T1800Z/
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
NORTH SNOWY RANGE FOOTHILLS-SOUTH LARAMIE RANGE-
SOUTH LARAMIE RANGE FOOTHILLS-
INCLUDING THE CITIES OF...BORDEAUX...ARLINGTON...ELK MOUNTAIN...
VEDAUWOO...BUFORD...PUMPKIN VINE...HORSE CREEK...HARRIMAN...
WHITAKER
135 AM MST WED FEB 3 2016

...GROUND BLIZZARD WARNING IN EFFECT FROM 7 PM THIS EVENING TO 11
AM MST THURSDAY...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A GROUND BLIZZARD
WARNING...WHICH IS IN EFFECT FROM 7 PM THIS EVENING TO 11 AM MST
THURSDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT.

* TIMING...TONIGHT THROUGH EARLY THURSDAY AFTERNOON.

* WINDS/VISIBILITY...WESTERLY 35 TO 40 MPH WITH GUSTS IN EXCESS OF
  60 MPH TONIGHT INTO THURSDAY MORNING. THESE WINDS...COMBINED
  WITH RECENT FRESH SNOW WILL CREATE AREAS OF BLOWING SNOW THAT
  WILL REDUCE VISIBILITY TO NEAR ZERO AT TIMES. CONSIDERABLE
  DRIFTING SNOW IS EXPECTED CREATING SLICK ROADS AND HAZARDOUS
  DRIVING CONDITIONS.

* IMPACTS...MOSTLY TO TRAVEL ON INTERSTATE 80 NEAR ARLINGTON AND
  THE I-80 SUMMIT BETWEEN CHEYENNE AND LARAMIE. INTERSTATE 25 NEAR
  BORDEAUX WILL BE IMPACTED BY THESE STRONG WINDS AND BLOWING SNOW
  AS WELL. SIGNIFICANT BLOWING AND DRIFTING SNOW WITH ASSOCIATED
  LOW VISIBILITIES ARE EXPECTED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GROUND BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS
ARE EXPECTED OR OCCURRING. 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. 

&&

$$

WYZ101-103>105-107-109-113-115-118-040000-
/O.NEW.KCYS.WW.Y.0012.160204T0200Z-160204T1800Z/
CONVERSE COUNTY LOWER ELEVATIONS-NORTH LARAMIE RANGE-
FERRIS/SEMINOE/SHIRLEY MOUNTAINS-SHIRLEY BASIN-EAST PLATTE COUNTY-
CENTRAL CARBON COUNTY-UPPER NORTH PLATTE RIVER BASIN-
LARAMIE VALLEY-CENTRAL LARAMIE COUNTY-
INCLUDING THE CITIES OF...DOUGLAS...GLENROCK...MUDDY GAP...
MEDICINE BOW...GLENDO...WHEATLAND...CHUGWATER...GUERNSEY...
RAWLINS...SINCLAIR...HANNA...SARATOGA...ENCAMPMENT...RIVERSIDE...
LARAMIE...CHEYENNE
135 AM MST WED FEB 3 2016

...WINTER WEATHER ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO
11 AM MST THURSDAY...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WINTER
WEATHER ADVISORY FOR STRONG WINDS AND BLOWING SNOW...WHICH IS IN
EFFECT FROM 7 PM THIS EVENING TO 11 AM MST THURSDAY.

* TIMING...7 PM THIS EVENING THROUGH 11 AM THURSDAY

* WINDS/VISIBILITY...WEST WINDS OF 20 TO 25 MPH WITH GUSTS TO 40
  MPH ARE EXPECTED. THESE WINDS...WHEN COMBINED WITH RECENT FRESH
  SNOWFALL...WILL CREATE AREAS OF BLOWING SNOW REDUCING
  VISIBILITIES UNDER A HALF MILE.

* IMPACTS...MOSTLY TO TRAVEL. DRIVING CONDITIONS ARE EXPECTED TO
  DETERIORATE TONIGHT AND PERSIST INTO THURSDAY MORNING.
  CONSIDERABLE DRIFTING SNOW WILL MAKE ROADS SNOW COVERED AND
  SLICK IN AREAS. SIGNIFICANT BLOWING AND DRIFTING SNOW WITH
  ASSOCIATED LOW VISIBILITIES ARE EXPECTED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
6 follow-up statements
235 
WWUS45 KCYS 032319
WSWCYS

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
419 PM MST WED FEB 3 2016

...STRONG WINDS EXPECTED TO PRODUCE SIGNIFICANT BLOWING SNOW AND
DANGEROUS DRIVING CONDITIONS FROM LATE THIS EVENING THROUGH LATE
THURSDAY MORNING... 

WYZ106-110-116-117-041200-
/O.CON.KCYS.BZ.W.0001.160204T0200Z-160204T1800Z/
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
NORTH SNOWY RANGE FOOTHILLS-SOUTH LARAMIE RANGE-
SOUTH LARAMIE RANGE FOOTHILLS-
INCLUDING THE CITIES OF...BORDEAUX...ARLINGTON...ELK MOUNTAIN...
VEDAUWOO...BUFORD...PUMPKIN VINE...HORSE CREEK...HARRIMAN...
WHITAKER
419 PM MST WED FEB 3 2016

...GROUND BLIZZARD WARNING REMAINS IN EFFECT UNTIL 11 AM MST
THURSDAY...

* TIMING...THIS EVENING THROUGH LATE THURSDAY MORNING. THE WORST
  CONDITIONS ARE EXPECTED AROUND SUNRISE THURSDAY.

* WINDS/VISIBILITY...WEST WINDS 35 TO 45 MPH WITH GUSTS IN EXCESS
  OF 60 MPH. THIS COMBINED WITH FRESH SNOWPACK WILL LIKELY CREATE
  WIDESPREAD BLOWING SNOW WITH NEAR WHITEOUT CONDITIONS POSSIBLE
  AT TIMES. 

* IMPACTS...MAINLY TO TRAVEL. GROUND BLIZZARD CONDITIONS ARE MOST
  LIKELY TO OCCUR ALONG INTERSTATE 80 NEAR ARLINGTON...OVER THE
  THE INTERSTATE 80 SUMMIT BETWEEN CHEYENNE AND LARAMIE...AND ON
  INTERSTATE 25 BETWEEN CHUGWATER AND WHEATLAND. THE COMBINATION
  OF VERY LOW VISIBILITIES AND CONSIDERABLE DRIFTING SNOW WILL
  CREATE EXTREMELY DANGEROUS OR IMPOSSIBLE TRAVEL WITH VERY ICY
  AND SNOW COVERED ROADS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GROUND BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS
ARE EXPECTED OR OCCURRING. 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.

&&

$$

WYZ101-103>105-107-109-113-115-118-041200-
/O.CON.KCYS.WW.Y.0012.160204T0200Z-160204T1800Z/
CONVERSE COUNTY LOWER ELEVATIONS-NORTH LARAMIE RANGE-
FERRIS/SEMINOE/SHIRLEY MOUNTAINS-SHIRLEY BASIN-EAST PLATTE COUNTY-
CENTRAL CARBON COUNTY-UPPER NORTH PLATTE RIVER BASIN-
LARAMIE VALLEY-CENTRAL LARAMIE COUNTY-
INCLUDING THE CITIES OF...DOUGLAS...GLENROCK...MUDDY GAP...
MEDICINE BOW...GLENDO...WHEATLAND...CHUGWATER...GUERNSEY...
RAWLINS...SINCLAIR...HANNA...SARATOGA...ENCAMPMENT...RIVERSIDE...
LARAMIE...CHEYENNE
419 PM MST WED FEB 3 2016

...WINTER WEATHER ADVISORY FOR BLOWING SNOW REMAINS IN EFFECT
UNTIL 11 AM MST THURSDAY...

* TIMING...THIS EVENING THROUGH LATE THURSDAY MORNING. THE WORST
  CONDITIONS ARE EXPECTED AROUND SUNRISE THURSDAY.

* WINDS/VISIBILITY...WEST WINDS 20 TO 30 MPH WITH GUSTS IN EXCESS
  OF 40 MPH. THIS COMBINED WITH FRESH SNOWPACK WILL LIKELY CREATE
  AREAS OF BLOWING SNOW WITH VISIBILITIES UNDER ONE HALF MILE AT
  TIMES. 

* IMPACTS...MAINLY TO TO TRAVEL. DRIVING CONDITIONS ARE EXPECTED
  TO DETERIORATE TONIGHT AND REMAIN POOR THROUGH THURSDAY MORNING.
  THE COMBINATION OF LOW VISIBILITIES AND CONSIDERABLE DRIFTING
  SNOW WILL CREATE VERY HAZARDOUS TRAVEL CONDITIONS WITH ICY AND
  SNOW COVERED ROADS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

HAMMER
694 
WWUS45 KCYS 040405
WSWCYS

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
905 PM MST WED FEB 3 2016

...STRONG WINDS EXPECTED TO PRODUCE SIGNIFICANT BLOWING AND
DRIFTING SNOW AND DANGEROUS DRIVING CONDITIONS TONIGHT THROUGH
THURSDAY MORNING...

WYZ106-110-116-117-041200-
/O.CON.KCYS.BZ.W.0001.000000T0000Z-160204T1800Z/
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
NORTH SNOWY RANGE FOOTHILLS-SOUTH LARAMIE RANGE-
SOUTH LARAMIE RANGE FOOTHILLS-
INCLUDING THE CITIES OF...BORDEAUX...ARLINGTON...ELK MOUNTAIN...
VEDAUWOO...BUFORD...PUMPKIN VINE...HORSE CREEK...HARRIMAN...
WHITAKER
905 PM MST WED FEB 3 2016

...GROUND BLIZZARD WARNING REMAINS IN EFFECT UNTIL 11 AM MST
THURSDAY...

* TIMING...TONIGHT THROUGH THURSDAY MORNING. THE WORST CONDITIONS
  ARE EXPECTED AROUND SUNRISE THURSDAY.

* WINDS/VISIBILITY...WEST WINDS 35 TO 45 MPH WITH GUSTS IN EXCESS
  OF 60 MPH. THE STRONG WINDS COMBINED WITH FRESH SNOWPACK WILL
  CREATE WIDESPREAD BLOWING AND DRIFTING SNOW WITH NEAR WHITEOUT
  CONDITIONS AT TIMES.

* IMPACTS...MAINLY TO TRAVEL. GROUND BLIZZARD CONDITIONS ARE MOST
  LIKELY TO OCCUR ALONG INTERSTATE 80 NEAR ARLINGTON...OVER THE
  THE INTERSTATE 80 SUMMIT BETWEEN CHEYENNE AND LARAMIE...AND ON
  INTERSTATE 25 BETWEEN CHUGWATER AND WHEATLAND. THE COMBINATION
  OF VERY LOW VISIBILITIES AND CONSIDERABLE DRIFTING SNOW WILL
  CREATE EXTREMELY DANGEROUS OR IMPOSSIBLE TRAVEL WITH ICY AND
  SNOW COVERED ROADS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GROUND BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS
ARE EXPECTED OR OCCURRING. 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 TRAVEL...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.

&&

$$

WYZ101-103>105-107-109-113-115-118-041200-
/O.CON.KCYS.WW.Y.0012.000000T0000Z-160204T1800Z/
CONVERSE COUNTY LOWER ELEVATIONS-NORTH LARAMIE RANGE-
FERRIS/SEMINOE/SHIRLEY MOUNTAINS-SHIRLEY BASIN-EAST PLATTE COUNTY-
CENTRAL CARBON COUNTY-UPPER NORTH PLATTE RIVER BASIN-
LARAMIE VALLEY-CENTRAL LARAMIE COUNTY-
INCLUDING THE CITIES OF...DOUGLAS...GLENROCK...MUDDY GAP...
MEDICINE BOW...GLENDO...WHEATLAND...CHUGWATER...GUERNSEY...
RAWLINS...SINCLAIR...HANNA...SARATOGA...ENCAMPMENT...RIVERSIDE...
LARAMIE...CHEYENNE
905 PM MST WED FEB 3 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST
THURSDAY...

* TIMING...TONIGHT THROUGH THURSDAY MORNING. THE WORST CONDITIONS
  ARE EXPECTED AROUND SUNRISE THURSDAY.

* WINDS/VISIBILITY...WEST WINDS 20 TO 30 MPH WITH GUSTS IN EXCESS
  OF 40 MPH. THE GUSTY WINDS COMBINED WITH FRESH SNOWPACK WILL
  CREATE AREAS OF BLOWING SNOW WITH VISIBILITIES LESS THAN ONE
  HALF MILE AT TIMES.

* IMPACTS...MAINLY TO TO TRAVEL. DRIVING CONDITIONS ARE EXPECTED
  TO DETERIORATE TONIGHT AND REMAIN POOR THROUGH THURSDAY MORNING.
  THE COMBINATION OF LOW VISIBILITIES AND CONSIDERABLE DRIFTING
  SNOW WILL CREATE VERY HAZARDOUS TRAVEL CONDITIONS WITH ICY AND
  SNOW COVERED ROADS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
282 
WWUS45 KCYS 041054
WSWCYS

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
354 AM MST THU FEB 4 2016

...STRONG WINDS EXPECTED TO PRODUCE SIGNIFICANT BLOWING AND
DRIFTING SNOW AND DANGEROUS DRIVING CONDITIONS THROUGH THIS
MORNING...

WYZ106-110-116-117-041800-
/O.CON.KCYS.BZ.W.0001.000000T0000Z-160204T1800Z/
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
NORTH SNOWY RANGE FOOTHILLS-SOUTH LARAMIE RANGE-
SOUTH LARAMIE RANGE FOOTHILLS-
INCLUDING THE CITIES OF...BORDEAUX...ARLINGTON...ELK MOUNTAIN...
VEDAUWOO...BUFORD...PUMPKIN VINE...HORSE CREEK...HARRIMAN...
WHITAKER
354 AM MST THU FEB 4 2016

...GROUND BLIZZARD WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS
MORNING...

* TIMING...THROUGH 11 AM THIS MORNING. THE WORST CONDITIONS ARE
  EXPECTED AROUND SUNRISE.

* WINDS/VISIBILITY...WEST WINDS 35 TO 45 MPH WITH GUSTS IN 
  EXCESS OF 60 MPH. THE STRONG WINDS COMBINED WITH FRESH 
  SNOWPACK WILL CREATE WIDESPREAD BLOWING AND DRIFTING SNOW WITH 
  NEAR WHITEOUT CONDITIONS AT TIMES. 

* IMPACTS...MAINLY TO TRAVEL. GROUND BLIZZARD CONDITIONS ARE 
  MOST LIKELY TO OCCUR ALONG INTERSTATE 80 NEAR ARLINGTON...OVER 
  THE THE INTERSTATE 80 SUMMIT BETWEEN CHEYENNE AND LARAMIE...
  AND ON INTERSTATE 25 BETWEEN CHUGWATER AND WHEATLAND. THE 
  COMBINATION OF VERY LOW VISIBILITIES AND CONSIDERABLE DRIFTING 
  SNOW WILL CREATE EXTREMELY DANGEROUS OR IMPOSSIBLE TRAVEL WITH 
  ICY AND SNOW COVERED ROADS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GROUND BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS
ARE EXPECTED OR OCCURRING. 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 TRAVEL...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.

&&

$$

WYZ101-103>105-107-109-113-115-118-041800-
/O.CON.KCYS.WW.Y.0012.000000T0000Z-160204T1800Z/
CONVERSE COUNTY LOWER ELEVATIONS-NORTH LARAMIE RANGE-
FERRIS/SEMINOE/SHIRLEY MOUNTAINS-SHIRLEY BASIN-EAST PLATTE COUNTY-
CENTRAL CARBON COUNTY-UPPER NORTH PLATTE RIVER BASIN-
LARAMIE VALLEY-CENTRAL LARAMIE COUNTY-
INCLUDING THE CITIES OF...DOUGLAS...GLENROCK...MUDDY GAP...
MEDICINE BOW...GLENDO...WHEATLAND...CHUGWATER...GUERNSEY...
RAWLINS...SINCLAIR...HANNA...SARATOGA...ENCAMPMENT...RIVERSIDE...
LARAMIE...CHEYENNE
354 AM MST THU FEB 4 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS
MORNING...

* TIMING...THROUGH 11 AM TODAY. THE WORST CONDITIONS ARE EXPECTED
  AROUND SUNRISE THIS MORNING.

* WINDS/VISIBILITY...WEST WINDS 20 TO 30 MPH WITH GUSTS IN 
  EXCESS OF 40 MPH. THE GUSTY WINDS COMBINED WITH FRESH SNOWPACK 
  WILL CREATE AREAS OF BLOWING SNOW WITH VISIBILITIES LESS THAN 
  ONE HALF MILE AT TIMES. 

* IMPACTS...MAINLY TO TO TRAVEL. DRIVING CONDITIONS ARE EXPECTED 
  TO DETERIORATE TONIGHT AND REMAIN POOR THROUGH THURSDAY 
  MORNING. THE COMBINATION OF LOW VISIBILITIES AND CONSIDERABLE 
  DRIFTING SNOW WILL CREATE VERY HAZARDOUS TRAVEL CONDITIONS 
  WITH ICY AND SNOW COVERED ROADS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
007 
WWUS45 KCYS 041414
WSWCYS

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
714 AM MST THU FEB 4 2016


WYZ116-117-041800-
/O.CAN.KCYS.BZ.W.0001.000000T0000Z-160204T1800Z/
/O.EXA.KCYS.WW.Y.0012.000000T0000Z-160204T1800Z/
SOUTH LARAMIE RANGE-SOUTH LARAMIE RANGE FOOTHILLS-
INCLUDING THE CITIES OF...VEDAUWOO...BUFORD...PUMPKIN VINE...
HORSE CREEK...HARRIMAN...WHITAKER
714 AM MST THU FEB 4 2016

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 11 AM MST THIS
MORNING...

...BLIZZARD WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WINTER
WEATHER ADVISORY FOR BLOWING AND DRIFTING SNOW...WHICH IS IN
EFFECT UNTIL 11 AM MST THIS MORNING. THE BLIZZARD WARNING HAS BEEN
CANCELLED.

* TIMING...THROUGH 11 AM TODAY. 

* WINDS/VISIBILITY...WEST WINDS 20 TO 30 MPH WITH GUSTS IN EXCESS
  OF 50 MPH. THE GUSTY WINDS COMBINED WITH FRESH SNOWPACK WILL
  CREATE AREAS OF BLOWING SNOW WITH VISIBILITIES LESS THAN ONE
  HALF MILE AT TIMES.

* IMPACTS...MAINLY TO TO TRAVEL. DRIVING CONDITIONS ARE EXPECTED
  TO REMAIN POOR THROUGH THIS MORNING. THE COMBINATION OF LOW
  VISIBILITIES AND CONSIDERABLE DRIFTING SNOW WILL CREATE VERY
  HAZARDOUS TRAVEL CONDITIONS WITH ICY AND SNOW COVERED ROADS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

WYZ106-041515-
/O.CAN.KCYS.BZ.W.0001.000000T0000Z-160204T1800Z/
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
INCLUDING THE CITY OF...BORDEAUX
714 AM MST THU FEB 4 2016

...BLIZZARD WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS CANCELLED THE
BLIZZARD WARNING. 

ALTHOUGH WINDS HAVE REMAINED STRONG THIS MORNING...BLIZZARD
CONDITIONS HAVE NOT BEEN OBSERVED ALONG AND NEAR INTERSTATE 25
FROM WHEATLAND TO CHUGWATER. HOWEVER...ICY ROADS WITH DRIFTING
SNOW ON AREA ROADWAYS WILL CONTINUE THROUGH THE DAY TODAY.

$$

WYZ101-103-107-118-041515-
/O.CAN.KCYS.WW.Y.0012.000000T0000Z-160204T1800Z/
CONVERSE COUNTY LOWER ELEVATIONS-NORTH LARAMIE RANGE-
EAST PLATTE COUNTY-CENTRAL LARAMIE COUNTY-
INCLUDING THE CITIES OF...DOUGLAS...GLENROCK...GLENDO...
WHEATLAND...CHUGWATER...GUERNSEY...CHEYENNE
714 AM MST THU FEB 4 2016

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS CANCELLED THE WINTER
WEATHER ADVISORY. 

STRONG WINDS LAST NIGHT HAVE DIMINISHED THIS MORNING.
HOWEVER...PERIODS OF BLOWING AND DRIFTING SNOW ARE POSSIBLE
THROUGH TODAY WHICH MAY LEAD TO ICY ROADS.

$$

WYZ110-041800-
/O.CON.KCYS.BZ.W.0001.000000T0000Z-160204T1800Z/
NORTH SNOWY RANGE FOOTHILLS-
INCLUDING THE CITIES OF...ARLINGTON...ELK MOUNTAIN
714 AM MST THU FEB 4 2016

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS
MORNING...

* TIMING...THROUGH 11 AM THIS MORNING. THE WORST CONDITIONS ARE 
  EXPECTED AROUND SUNRISE. 

* WINDS/VISIBILITY...WEST WINDS 35 TO 45 MPH WITH GUSTS IN EXCESS
  OF 65 MPH. THE STRONG WINDS COMBINED WITH FRESH SNOWPACK WILL
  CREATE WIDESPREAD BLOWING AND DRIFTING SNOW WITH NEAR WHITEOUT
  CONDITIONS AT TIMES.

* IMPACTS...MAINLY TO TRAVEL. GROUND BLIZZARD CONDITIONS ARE 
  MOST LIKELY TO OCCUR ALONG INTERSTATE 80 NEAR ARLINGTON...OVER 
  THE THE INTERSTATE 80 SUMMIT BETWEEN CHEYENNE AND LARAMIE... 
  AND ON INTERSTATE 25 BETWEEN CHUGWATER AND WHEATLAND. THE 
  COMBINATION OF VERY LOW VISIBILITIES AND CONSIDERABLE DRIFTING 
  SNOW WILL CREATE EXTREMELY DANGEROUS OR IMPOSSIBLE TRAVEL WITH 
  ICY AND SNOW COVERED ROADS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GROUND BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS
ARE EXPECTED OR OCCURRING. 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 TRAVEL...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.

&&

$$

WYZ104-105-109-113-115-041800-
/O.CON.KCYS.WW.Y.0012.000000T0000Z-160204T1800Z/
FERRIS/SEMINOE/SHIRLEY MOUNTAINS-SHIRLEY BASIN-
CENTRAL CARBON COUNTY-UPPER NORTH PLATTE RIVER BASIN-
LARAMIE VALLEY-
INCLUDING THE CITIES OF...MUDDY GAP...MEDICINE BOW...RAWLINS...
SINCLAIR...HANNA...SARATOGA...ENCAMPMENT...RIVERSIDE...LARAMIE
714 AM MST THU FEB 4 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS
MORNING...

* TIMING...THROUGH 11 AM TODAY. THE WORST CONDITIONS ARE 
  EXPECTED AROUND SUNRISE THIS MORNING. 

* WINDS/VISIBILITY...WEST WINDS 20 TO 30 MPH WITH GUSTS IN 
  EXCESS OF 40 MPH. THE GUSTY WINDS COMBINED WITH FRESH SNOWPACK 
  WILL CREATE AREAS OF BLOWING SNOW WITH VISIBILITIES LESS THAN 
  ONE HALF MILE AT TIMES. 

* IMPACTS...MAINLY TO TO TRAVEL. DRIVING CONDITIONS ARE EXPECTED 
  TO DETERIORATE TONIGHT AND REMAIN POOR THROUGH THURSDAY 
  MORNING. THE COMBINATION OF LOW VISIBILITIES AND CONSIDERABLE 
  DRIFTING SNOW WILL CREATE VERY HAZARDOUS TRAVEL CONDITIONS 
  WITH ICY AND SNOW COVERED ROADS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
275 
WWUS45 KCYS 041427
WSWCYS

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
727 AM MST THU FEB 4 2016


WYZ110-041800-
/O.CON.KCYS.BZ.W.0001.000000T0000Z-160204T1800Z/
NORTH SNOWY RANGE FOOTHILLS-
INCLUDING THE CITIES OF...ARLINGTON...ELK MOUNTAIN
727 AM MST THU FEB 4 2016

...GROUND BLIZZARD WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS
MORNING...

* TIMING...THROUGH 11 AM THIS MORNING. THE WORST CONDITIONS ARE 
  EXPECTED AROUND SUNRISE. 

* WINDS/VISIBILITY...WEST WINDS 35 TO 45 MPH WITH GUSTS IN 
  EXCESS OF 65 MPH. THE STRONG WINDS COMBINED WITH FRESH 
  SNOWPACK WILL CREATE WIDESPREAD BLOWING AND DRIFTING SNOW WITH 
  NEAR WHITEOUT CONDITIONS AT TIMES. 

* IMPACTS...MAINLY TO TRAVEL. GROUND BLIZZARD CONDITIONS ARE 
  MOST LIKELY TO OCCUR ALONG INTERSTATE 80 NEAR ARLINGTON...OVER 
  THE THE INTERSTATE 80 SUMMIT BETWEEN CHEYENNE AND LARAMIE... 
  AND ON INTERSTATE 25 BETWEEN CHUGWATER AND WHEATLAND. THE 
  COMBINATION OF VERY LOW VISIBILITIES AND CONSIDERABLE DRIFTING 
  SNOW WILL CREATE EXTREMELY DANGEROUS OR IMPOSSIBLE TRAVEL WITH 
  ICY AND SNOW COVERED ROADS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A GROUND BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS
ARE EXPECTED OR OCCURRING. 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 TRAVEL...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.

&&

$$

WYZ104-105-109-113-115>117-041800-
/O.CON.KCYS.WW.Y.0012.000000T0000Z-160204T1800Z/
FERRIS/SEMINOE/SHIRLEY MOUNTAINS-SHIRLEY BASIN-
CENTRAL CARBON COUNTY-UPPER NORTH PLATTE RIVER BASIN-
LARAMIE VALLEY-SOUTH LARAMIE RANGE-SOUTH LARAMIE RANGE FOOTHILLS-
INCLUDING THE CITIES OF...MUDDY GAP...MEDICINE BOW...RAWLINS...
SINCLAIR...HANNA...SARATOGA...ENCAMPMENT...RIVERSIDE...LARAMIE...
VEDAUWOO...BUFORD...PUMPKIN VINE...HORSE CREEK...HARRIMAN...
WHITAKER
727 AM MST THU FEB 4 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS
MORNING...

* TIMING...THROUGH 11 AM TODAY. THE WORST CONDITIONS ARE 
  EXPECTED AROUND SUNRISE THIS MORNING. 

* WINDS/VISIBILITY...WEST WINDS 20 TO 30 MPH WITH GUSTS IN 
  EXCESS OF 40 MPH. THE GUSTY WINDS COMBINED WITH FRESH SNOWPACK 
  WILL CREATE AREAS OF BLOWING SNOW WITH VISIBILITIES LESS THAN 
  ONE HALF MILE AT TIMES. 

* IMPACTS...MAINLY TO TO TRAVEL. DRIVING CONDITIONS ARE EXPECTED 
  TO DETERIORATE TONIGHT AND REMAIN POOR THROUGH THURSDAY 
  MORNING. THE COMBINATION OF LOW VISIBILITIES AND CONSIDERABLE 
  DRIFTING SNOW WILL CREATE VERY HAZARDOUS TRAVEL CONDITIONS 
  WITH ICY AND SNOW COVERED ROADS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$
684 
WWUS45 KCYS 041752
WSWCYS

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
1052 AM MST THU FEB 4 2016

WYZ110-041900-
/O.CAN.KCYS.BZ.W.0001.000000T0000Z-160204T1800Z/
NORTH SNOWY RANGE FOOTHILLS-
INCLUDING THE CITIES OF...ARLINGTON...ELK MOUNTAIN
1052 AM MST THU FEB 4 2016

...GROUND BLIZZARD WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS CANCELLED THE
GROUND BLIZZARD WARNING. 

WIND GUSTS BETWEEN 45 AND 55 MPH WILL CONTINUE THIS AFTERNOON WITH
AREAS OF BLOWING SNOW AND SLICK ROAD CONDITIONS. HOWEVER...GROUND
BLIZZARD CONDITIONS ARE NO LONGER EXPECTED. 

$$

WYZ104-105-109-113-115>117-041900-
/O.CAN.KCYS.WW.Y.0012.000000T0000Z-160204T1800Z/
FERRIS/SEMINOE/SHIRLEY MOUNTAINS-SHIRLEY BASIN-
CENTRAL CARBON COUNTY-UPPER NORTH PLATTE RIVER BASIN-
LARAMIE VALLEY-SOUTH LARAMIE RANGE-SOUTH LARAMIE RANGE FOOTHILLS-
INCLUDING THE CITIES OF...MUDDY GAP...MEDICINE BOW...RAWLINS...
SINCLAIR...HANNA...SARATOGA...ENCAMPMENT...RIVERSIDE...LARAMIE...
VEDAUWOO...BUFORD...PUMPKIN VINE...HORSE CREEK...HARRIMAN...
WHITAKER
1052 AM MST THU FEB 4 2016

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS CANCELLED THE WINTER
WEATHER ADVISORY. 

WIND GUSTS BETWEEN 35 AND 45 MPH WILL CONTINUE THIS AFTERNOON WITH
PATCHY BLOWING SNOW AND SLICK SPOTS ON AREA ROADWAYS. SIGNIFICANT
REDUCTIONS TO VISIBILITIES ARE NOT EXPECTED. 

$$

HAMMER

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 3, 1:35 AM MSTWinter Weather AdvisoryCYSAlbany, Carbon, Converse, Laramie, Platte33 hr

Nearby

Blizzard Warnings in Wyoming, 2016Every blizzard warning in 2016

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.