Alert archive / Wyoming / High Wind Warnings in 2012

High Wind Warning 45, NWS Cheyenne, WY

December 16, 20125 counties in Wyoming

NWS Cheyenne, WY issued this high wind warning at Dec 16, 2012, 5:15 AM MST for 5 counties in Wyoming. It took effect at Dec 16, 2012, 9:00 AM MST. It was in force for 32 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 16, 2012, 5:15 AM MST (12:15 UTC)
In effect from
Dec 16, 2012, 9:00 AM MST
Expired
Dec 17, 2012, 5:00 PM MST
In force
32 hr
Issued by
NWS Cheyenne, WY

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

The radar

The Cheyenne radar (KCYS), 109 km from the middle of the area, began a volume at 12:19 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 16, 9:30 AM MSTNON-TSTM WND GST 555 Nw Arlington, WYREPORTED AT WYDOT STATION WY21
Dec 16, 9:40 AM MSTNON-TSTM WND GST 563 Nw Arlington, WYREPORTED AT WYDOT STATION WY22
Dec 16, 9:45 AM MSTNON-TSTM WND GST 581 Nnw Arlington, WYREPORTED AT WYDOT STATION KARL
Dec 16, 9:45 AM MSTNON-TSTM WND GST 58Arlington, WYSUSTAINED WIND 44 MPH.
Dec 16, 9:55 AM MSTNON-TSTM WND GST 582 E Arlington, WYREPORTED AT WYDOT STATION WY23
Dec 16, 11:00 AM MSTNON-TSTM WND GST 563 Nw Arlington, WYREPORTED AT WYDOT STATION WY22
Dec 16, 11:10 AM MSTNON-TSTM WND GST 581 Nnw Arlington, WYREPORTED AT WYDOT STATION KARL
Dec 16, 1:25 PM MSTNON-TSTM WND GST 551 Nnw Arlington, WYREPORTED AT WYDOT STATION KARL
Dec 16, 1:30 PM MSTNON-TSTM WND GST 522 E Arlington, WYREPORTED AT WYDOT STATION WY23
Dec 16, 1:30 PM MSTNON-TSTM WND GST 59Rock River, WYREPORTED AT MESOWEST STATION UR345
Dec 16, 1:45 PM MSTNON-TSTM WND GST 5114 Wsw Cheyenne, WYSUSTAINED AT 36 MPH.
Dec 16, 1:45 PM MSTNON-TSTM WND GST 52Arlington, WY40G53 AT 1341L. 42G53 AT 1336L. 36G50 AT 1331L. 41G55 AT 1326L. 43G51 AT 1321L.
Dec 16, 1:55 PM MSTNON-TSTM WND GST 52Rock River, WY32 MPH SUSTAINED.
Dec 16, 2:27 PM MSTNON-TSTM WND GST 50Vedauwoo, WYREPORTED AT WYDOT STATION KVDW
Dec 16, 2:30 PM MSTNON-TSTM WND GST 5110 Wsw Warren Af Base, WYREPORTED AT MESOWEST STATION UP226
Dec 16, 2:30 PM MSTNON-TSTM WND GST 55Rock River, WYREPORTED AT MESOWEST STATION UR345
Dec 16, 2:40 PM MSTNON-TSTM WND GST 525 Nw Arlington, WYREPORTED AT WYDOT STATION WY21
Dec 16, 2:41 PM MSTNON-TSTM WND GST 571 Nnw Arlington, WYREPORTED AT WYDOT STATION KARL
Dec 16, 2:45 PM MSTNON-TSTM WND GST 507 Nw Elk Mountain, WYREPORTED AT WYDOT STATION WY18
Dec 16, 2:45 PM MSTNON-TSTM WND GST 522 E Arlington, WYREPORTED AT WYDOT STATION WY23
Dec 16, 2:55 PM MSTNON-TSTM WND GST 50Arlington, WYSUSTAINED AT 35 MPH.
Dec 16, 2:55 PM MSTNON-TSTM WND GST 56Arlington, WYSUSTAINED AT 36 MPH.
Dec 16, 3:10 PM MSTNON-TSTM WND GST 522 E Arlington, WYREPORTED AT WYDOT STATION WY23
Dec 16, 3:25 PM MSTNON-TSTM WND GST 511 Nnw Arlington, WYREPORTED AT WYDOT STATION KARL
Dec 16, 3:27 PM MSTNON-TSTM WND GST 54Vedauwoo, WYREPORTED AT WYDOT STATION KVDW
Dec 16, 3:40 PM MSTNON-TSTM WND GST 504 Nnw Vedauwoo, WYREPORTED AT WYDOT STATION WY28
Dec 16, 6:45 PM MSTNON-TSTM WND GST 521 Nnw Arlington, WYREPORTED AT WYDOT STATION KARL
Dec 17, 5:30 AM MSTNON-TSTM WND GST 6010 Wsw Warren Af Base, WY
Dec 17, 7:10 AM MSTNON-TSTM WND GST 627 Ese Arlington, WYCOOPER COVE WYDOT SITE. SUSTAINED AT 45 MPH.
Dec 17, 7:35 AM MSTNON-TSTM WND GST 62Arlington, WYARLINGTON WYDOT SITE. SUSTAINED AT 40 MPH.
Dec 17, 7:41 AM MSTNON-TSTM WND GST 6015 Nne Centennial, WYSTROUSS HILL WYDOT SITE. SUSTAINED AT 40 MPH.
Dec 17, 8:34 AM MSTNON-TSTM WND GST 58Cheyenne, WYSUSTAINED AT 41 MPH.
Dec 17, 8:45 AM MSTNON-TSTM WND GST 58Rock River, WY
Dec 17, 8:51 AM MSTNON-TSTM WND GST 59Cheyenne, WYSUSTAINED AT 47 MPH.
Dec 17, 9:05 AM MSTNON-TSTM WND GST 649 S Wheatland, WYBORDEAUX WYDOT SITE. SUSTAINED AT 43 MPH.
Dec 17, 9:26 AM MSTHIGH SUST WINDS 49Cheyenne, WY
Dec 17, 9:30 AM MSTNON-TSTM WND GST 5716 E Horse Creek, WYWHITAKER WYDOT SITE.
Dec 17, 9:45 AM MSTNON-TSTM WND GST 6410 Wsw Warren Af Base, WY
Dec 17, 9:45 AM MSTNON-TSTM WND GST 6414 Wsw Cheyenne, WYEMKAY UPR SITE. THIS MAY BE ENHANCED BY LOCAL TERRAIN AND NOT REPRESENTATIVE OF THE ENTIRE AREA.
Dec 17, 10:06 AM MSTNON-TSTM WND GST 58Laramie, WYSUSTAINED AT 47 MPH.
Dec 17, 10:25 AM MSTNON-TSTM WND GST 6010 Sw Cheyenne, WYWYO HILL WYDOT SITE. SUSTAINED AT 42 MPH.
Dec 17, 10:36 AM MSTNON-TSTM WND GST 59Laramie, WY
Dec 17, 10:56 AM MSTNON-TSTM WND GST 6513 S Glendo, WYCOLEMAN WYDOT SITE. SUSTAINED AT 45 MPH.
Dec 17, 11:00 AM MSTNON-TSTM WND GST 6116 E Horse Creek, WYWHITAKER WYDOT SITE. SUSTAINED AT 45 MPH.
Dec 17, 11:15 AM MSTNON-TSTM WND GST 7214 Wsw Cheyenne, WYEMKAY UPR SITE. MAY BE INFLUENCED BY LOCAL TERRAIN AND NOT REPRESENTATIVE OF SURROUNDING AREAS.
Dec 17, 11:17 AM MSTNON-TSTM WND GST 60Cheyenne, WYSUSTAINED AT 46 MPH.
Dec 17, 11:31 AM MSTNON-TSTM WND GST 6316 E Horse Creek, WYWHITAKER WYDOT SITE.
Dec 17, 11:45 AM MSTNON-TSTM WND DMG8 Sw Cheyenne, WYSEMI OVERTURNED NEAR MILEPOST 4 ALONG INTERSTATE 25.
Dec 17, 12:00 PM MSTNON-TSTM WND GST 6610 Sw Cheyenne, WYWYO HILL WYDOT SITE. SUSTAINED AT 50 MPH.
Dec 17, 12:00 PM MSTSNOW 112 Sw Esterbrook, WYWINDY PEAK SNOTEL IN THE LARAMIE RANGE. ELEVATION 7900 FEET. SNOW WATER EQUIVALENT IS 0.1 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 10 TO 1. ACCUMULATION WAS OVER PAST 24 HOURS.
Dec 17, 12:00 PM MSTSNOW 1.514 E Dixon, WYBATTLE MOUNTAIN SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 7440 FEET. SNOW WATER EQUIVALENT IS 0.1 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST 24 HOURS.
Dec 17, 12:00 PM MSTSNOW 1.517 Ene Riverside, WYSOUTH BRUSH CREEK SNOTEL IN THE SNOWY RANGE. ELEVATION 8440 FEET. SNOW WATER EQUIVALENT IS 0.1 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST 24 HOURS.
Dec 17, 12:00 PM MSTSNOW 1.517 Sw Encampment, WYSANDSTONE RANGER STATION SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 8150 FEET. SNOW WATER EQUIVALENT IS 0.1 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST 24 HOURS.
Dec 17, 12:00 PM MSTSNOW 1.519 Wsw Encampment, WYDIVIDE PEAK SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 8880 FEET. SNOW WATER EQUIVALENT IS 0.1 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST 24 HOURS.
Dec 17, 12:00 PM MSTSNOW 1.535 S Rawlins, WYSAGE CREEK BASIN SNOTEL IN THE SIERRA MADRE RANGE. ELEVATION 7850 FEET. SNOW WATER EQUIVALENT IS 0.1 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST 24 HOURS.
Dec 17, 12:00 PM MSTSNOW 1.538 Sw Douglas, WYLA PRELE CREEK SNOTEL IN THE LARAMIE RANGE. ELEVATION 8375 FEET. SNOW WATER EQUIVALENT IS 0.1 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 15 TO 1. ACCUMULATION WAS OVER PAST 24 HOURS.
Dec 17, 12:00 PM MSTSNOW 212 Wnw Centennial, WYNORTH FRENCH CREEK SNOTEL IN THE SNOWY RANGE. ELEVATION 10130 FEET. SNOW WATER EQUIVALENT IS 0.1 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER PAST 24 HOURS.
Dec 17, 12:00 PM MSTSNOW 66 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 20 TO 1. ACCUMULATION WAS OVER PAST 24 HOURS.
Dec 17, 12:00 PM MSTSNOW 830 Wnw Laramie, WYSAND LAKE SNOTEL IN THE SNOWY RANGE. ELEVATION 10050 FEET. SNOW WATER EQUIVALENT IS 0.4 INCHES AND THE SNOW TO LIQUID RATIO USED WAS 20 TO 1. ACCUMULATION WAS OVER PAST 24 HOURS.
Dec 17, 12:00 PM MSTSNOW 107 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 20 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 12:00Z, 0.3 hours before the alert went out and 264 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 12:00Z on 2012-12-16Temperature 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 12:00Z on 2012-12-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 67 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
1680 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
67 m²/s²
0-3 km storm-relative helicity
81 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.

294 
WWUS75 KCYS 161215
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
515 AM MST SUN DEC 16 2012

...STRONG WINDS TO AFFECT PORTIONS OF SOUTHEAST WYOMING TODAY AND 
MONDAY...

.A SERIES OF UPPER LEVEL DISTURBANCES WILL BRING STRONG WINDS TO
PORTIONS OF SOUTHEAST WYOMING TODAY AND MONDAY. THE FIRST UPPER
LEVEL WAVE WILL PRODUCE A SURFACE LOW PRESSURE CENTER ACROSS THE
PLAINS TODAY...WITH WEST WINDS AT THE SURFACE BECOMING STRONG IN
THE WIND CORRIDOR ALONG AND WEST OF THE LARAMIE RANGE IN RESPONSE.
THESE WINDS WILL DIMINISH THROUGH THE EVENING AND EARLY OVERNIGHT
PERIOD. A SECOND BUT STRONGER PACIFIC LOW PRESSURE SYSTEM IS
FORECAST TO TRACK INTO IDAHO THIS AFTERNOON AND EVENTUALLY INTO
WESTERN WYOMING MONDAY MORNING. AHEAD OF THIS STORM
SYSTEM...STRONG WEST WINDS WILL REDEVELOP IN THE WIND CORRIDOR
LATE SUNDAY NIGHT...AND THEN BECOME MORE WIDESPREAD ACROSS
SOUTHEAST WYOMING ON MONDAY. RECENT SNOWFALL COMBINED WITH THESE
STRONG WINDS MAY PRODUCE NEAR BLIZZARD CONDITIONS AT TIMES.

WYZ106-110-116-170000-
/O.UPG.KCYS.HW.A.0034.121217T0300Z-121218T0000Z/
/O.NEW.KCYS.HW.W.0045.121216T1600Z-121218T0000Z/
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
NORTH SNOWY RANGE FOOTHILLS-SOUTH LARAMIE RANGE-
INCLUDING THE CITIES OF...BORDEAUX...ARLINGTON...ELK MOUNTAIN...
VEDAUWOO...BUFORD...PUMPKIN VINE
515 AM MST SUN DEC 16 2012

...HIGH WIND WARNING IN EFFECT FROM 9 AM THIS MORNING TO 5 PM MST
MONDAY...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM 9 AM THIS MORNING TO 5 PM MST
MONDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. 

* TIMING...WINDS WILL INCREASE THIS MORNING AND WILL REMAIN STRONG
  AND GUSTY THROUGH THE AFTERNOON. WINDS WILL DIMINISH AFTER
  SUNSET...BUT WILL INCREASE ONCE AGAIN AFTER MIDNIGHT. STRONG AND
  GUSTY WINDS WILL THEN PERSIST THROUGH 5 PM MONDAY AFTERNOON.

* WINDS...WEST 40 TO 45 MPH WITH GUSTS TO 60 MPH ARE POSSIBLE
  TODAY...WITH WEST TO SOUTHWEST 40 TO 50 MPH GUSTING TO 70 MPH ON
  MONDAY.

* IMPACTS...SUDDEN STRONG GUSTY WINDS WILL MAKE TRAVEL
  HAZARDOUS...ESPECIALLY FOR HIGH PROFILE OR LIGHTWEIGHT VEHICLES.
  RECENT SNOWFALL COMBINED WITH THESE STRONG WINDS WILL PRODUCE
  NEAR BLIZZARD CONDITIONS AT TIMES...WITH SIGNIFICANTLY REDUCED
  VISIBILITIES AND SNOW COVERED ROADS EXPECTED. MOTORISTS ARE
  URGED TO USE EXTREME CAUTION TODAY THROUGH MONDAY AFTERNOON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. FOR DETAILED ROAD
AND TRAVEL CONDITIONS IN WYOMING AND NEBRASKA...DIAL 5 1 1.

&&

$$

WYZ117-170000-
/O.EXT.KCYS.HW.A.0034.121217T0900Z-121218T0000Z/
SOUTH LARAMIE RANGE FOOTHILLS-
INCLUDING THE CITIES OF...HORSE CREEK...HARRIMAN...WHITAKER
515 AM MST SUN DEC 16 2012

...HIGH WIND WATCH NOW IN EFFECT FROM LATE TONIGHT THROUGH MONDAY
AFTERNOON...

THE HIGH WIND WATCH IS NOW IN EFFECT FROM LATE TONIGHT THROUGH
MONDAY AFTERNOON. 

* TIMING...2 AM MONDAY MORNING THROUGH 5 PM MONDAY EVENING.

* WINDS...WEST 40 TO 45 MPH WITH GUSTS TO 65 MPH ARE POSSIBLE.

* IMPACTS...SUDDEN STRONG GUSTY WINDS MAY MAKE TRAVEL
  HAZARDOUS...ESPECIALLY FOR HIGH PROFILE OR LIGHTWEIGHT VEHICLES.
  MOTORISTS ARE URGED TO USE CAUTION LATE TONIGHT THROUGH MONDAY
  AFTERNOON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS
HIGH WIND EVENT. SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF
58 MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST
FORECASTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS
HIGH WIND EVENT. SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF
58 MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST
FORECASTS.

&&

$$

WYZ101-104-105-107-109-115-118-170000-
/O.CON.KCYS.HW.A.0034.121217T0900Z-121218T0000Z/
CONVERSE COUNTY LOWER ELEVATIONS-FERRIS/SEMINOE/SHIRLEY MOUNTAINS-
SHIRLEY BASIN-EAST PLATTE COUNTY-CENTRAL CARBON COUNTY-
LARAMIE VALLEY-CENTRAL LARAMIE COUNTY-
INCLUDING THE CITIES OF...DOUGLAS...GLENROCK...MUDDY GAP...
MEDICINE BOW...GLENDO...WHEATLAND...CHUGWATER...GUERNSEY...
RAWLINS...SINCLAIR...HANNA...LARAMIE...CHEYENNE
515 AM MST SUN DEC 16 2012

...HIGH WIND WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
MONDAY AFTERNOON...

A HIGH WIND WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
MONDAY AFTERNOON. 

* TIMING...2 AM MONDAY MORNING THROUGH 5 PM MONDAY AFTERNOON

* WINDS...WEST TO SOUTHWEST 40 TO 45 MPH WITH GUSTS TO 65 MPH ARE
  POSSIBLE.

* IMPACTS...SUDDEN STRONG GUSTY WINDS MAY MAKE TRAVEL
  HAZARDOUS...ESPECIALLY FOR HIGH PROFILE OR LIGHTWEIGHT VEHICLES.
  AREAS THAT RECEIVED ACCUMULATING SNOW RECENTLY COULD SEE NEAR
  BLIZZARD CONDITIONS AT TIMES WITH THE STRONG WINDS. EXPECT
  SIGNIFICANTLY REDUCED VISIBILITIES AND SNOW COVERED ROADS IN
  THESE AREAS. MOTORISTS ARE URGED TO USE EXTREME CAUTION LATE
  TONIGHT THROUGH MONDAY AFTERNOON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS
HIGH WIND EVENT. SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF
58 MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST
FORECASTS.

&&

$$
5 follow-up statements
075 
WWUS75 KCYS 161958
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
1258 PM MST SUN DEC 16 2012

...STRONG WINDS TO AFFECT PORTIONS OF SOUTHEAST WYOMING TODAY AND
MONDAY...

.A SERIES OF UPPER LEVEL DISTURBANCES WILL BRING STRONG WINDS TO
PORTIONS OF SOUTHEAST WYOMING TODAY AND MONDAY. THE FIRST UPPER
LEVEL WAVE WILL PRODUCE A SURFACE LOW PRESSURE CENTER ACROSS THE
PLAINS TODAY...WITH WEST WINDS AT THE SURFACE BECOMING STRONG IN
THE WIND CORRIDOR ALONG AND WEST OF THE LARAMIE RANGE IN
RESPONSE. THESE WINDS WILL DIMINISH THROUGH THE EVENING AND EARLY
OVERNIGHT PERIOD. A SECOND BUT STRONGER PACIFIC LOW PRESSURE
SYSTEM IS FORECAST TO TRACK INTO IDAHO THIS AFTERNOON AND
EVENTUALLY INTO WESTERN WYOMING MONDAY MORNING. AHEAD OF THIS
STORM SYSTEM...STRONG WEST WINDS WILL REDEVELOP IN THE WIND
CORRIDOR LATE TONIGHT...AND THEN BECOME MORE WIDESPREAD ACROSS
SOUTHEAST WYOMING ON MONDAY. RECENT SNOWFALL COMBINED WITH THESE
STRONG WINDS MAY PRODUCE NEAR BLIZZARD CONDITIONS AT TIMES.

WYZ101-104-105-107-109-115-117-118-171200-
/O.UPG.KCYS.HW.A.0034.121217T0900Z-121218T0000Z/
/O.EXB.KCYS.HW.W.0045.121217T0900Z-121218T0000Z/
CONVERSE COUNTY LOWER ELEVATIONS-FERRIS/SEMINOE/SHIRLEY MOUNTAINS-
SHIRLEY BASIN-EAST PLATTE COUNTY-CENTRAL CARBON COUNTY-
LARAMIE VALLEY-SOUTH LARAMIE RANGE FOOTHILLS-
CENTRAL LARAMIE COUNTY-
INCLUDING THE CITIES OF...DOUGLAS...GLENROCK...MUDDY GAP...
MEDICINE BOW...GLENDO...WHEATLAND...CHUGWATER...GUERNSEY...
RAWLINS...SINCLAIR...HANNA...LARAMIE...HORSE CREEK...HARRIMAN...
WHITAKER...CHEYENNE
1258 PM MST SUN DEC 16 2012

...HIGH WIND WARNING IN EFFECT FROM 2 AM TO 5 PM MST MONDAY...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM 2 AM TO 5 PM MST MONDAY. THE
HIGH WIND WATCH IS NO LONGER IN EFFECT. 

* TIMING...2 AM MONDAY MORNING THROUGH 5 PM MONDAY AFTERNOON

* WINDS...WEST TO SOUTHWEST 40 TO 45 MPH WITH GUSTS TO 65 MPH 
  ARE POSSIBLE. 

* IMPACTS...SUDDEN STRONG GUSTY WINDS MAY MAKE TRAVEL 
  HAZARDOUS...ESPECIALLY FOR HIGH PROFILE OR LIGHTWEIGHT 
  VEHICLES. AREAS THAT RECEIVED ACCUMULATING SNOW RECENTLY COULD 
  SEE NEAR BLIZZARD CONDITIONS AT TIMES WITH THE STRONG WINDS. 
  EXPECT SIGNIFICANTLY REDUCED VISIBILITIES AND SNOW COVERED 
  ROADS IN THESE AREAS. MOTORISTS ARE URGED TO USE EXTREME 
  CAUTION LATE TONIGHT THROUGH MONDAY AFTERNOON. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. FOR DETAILED ROAD
AND TRAVEL CONDITIONS IN WYOMING AND NEBRASKA...DIAL 5 1 1.

&&

$$

WYZ106-110-116-171200-
/O.CON.KCYS.HW.W.0045.000000T0000Z-121218T0000Z/
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
NORTH SNOWY RANGE FOOTHILLS-SOUTH LARAMIE RANGE-
INCLUDING THE CITIES OF...BORDEAUX...ARLINGTON...ELK MOUNTAIN...
VEDAUWOO...BUFORD...PUMPKIN VINE
1258 PM MST SUN DEC 16 2012

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST MONDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST MONDAY. 

* TIMING...WINDS WILL REMAIN STRONG AND GUSTY THROUGH THE
  AFTERNOON. WINDS WILL DIMINISH AFTER SUNSET...BUT WILL INCREASE
  ONCE AGAIN AFTER MIDNIGHT. STRONG AND GUSTY WINDS WILL THEN
  PERSIST THROUGH 5 PM MONDAY AFTERNOON.

* WINDS...WEST 40 TO 45 MPH WITH GUSTS TO 60 MPH ARE POSSIBLE 
  TODAY...WITH WEST TO SOUTHWEST 40 TO 50 MPH GUSTING TO 70 MPH 
  ON MONDAY. 

* IMPACTS...SUDDEN STRONG GUSTY WINDS WILL MAKE TRAVEL 
  HAZARDOUS...ESPECIALLY FOR HIGH PROFILE OR LIGHTWEIGHT 
  VEHICLES. RECENT SNOWFALL COMBINED WITH THESE STRONG WINDS 
  WILL PRODUCE NEAR BLIZZARD CONDITIONS AT TIMES...WITH 
  SIGNIFICANTLY REDUCED VISIBILITIES AND SNOW COVERED ROADS 
  EXPECTED. MOTORISTS ARE URGED TO USE EXTREME CAUTION TODAY 
  THROUGH MONDAY AFTERNOON. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. FOR DETAILED ROAD
AND TRAVEL CONDITIONS IN WYOMING AND NEBRASKA...DIAL 5 1 1.

&&

$$
520 
WWUS75 KCYS 170429
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
929 PM MST SUN DEC 16 2012

...STRONG WINDS ACROSS MUCH OF SOUTHEAST WYOMING THROUGH MONDAY...

.A SERIES OF UPPER LEVEL DISTURBANCES WILL TIGHTEN THE SURFACE
PRESSURE GRADIENT PRODUCING A PERIOD OF STRONG WINDS THROUGH
MONDAY. ALTHOUGH WINDS HAVE WEAKENED SOME THIS EVENING...THEY WILL
INCREASE ONCE AGAIN LATE TONIGHT. ADDITIONALLY...RECENT SNOWFALL
ALONG WITH ANY ADDITIONAL SNOWFALL WILL SIGNIFICANTLY REDUCE
VISIBILITIES...MAINLY OVER CARBON COUNTY AND THE SOUTHERN LARAMIE
RANGE.

WYZ106-110-116-171300-
/O.CON.KCYS.HW.W.0045.000000T0000Z-121218T0000Z/
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
NORTH SNOWY RANGE FOOTHILLS-SOUTH LARAMIE RANGE-
INCLUDING THE CITIES OF...BORDEAUX...ARLINGTON...ELK MOUNTAIN...
VEDAUWOO...BUFORD...PUMPKIN VINE
929 PM MST SUN DEC 16 2012

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST MONDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST MONDAY. 

* TIMING...WINDS WILL INCREASE ONCE AGAIN AFTER MIDNIGHT. STRONG
  AND GUSTY WINDS WILL THEN PERSIST THROUGH 5 PM MONDAY AFTERNOON.

* WINDS...WEST TO SOUTHWEST 40 TO 50 MPH GUSTING TO 70 MPH ON
  MONDAY.

* IMPACTS...SUDDEN STRONG GUSTY WINDS WILL MAKE TRAVEL
  HAZARDOUS...ESPECIALLY FOR HIGH PROFILE OR LIGHTWEIGHT VEHICLES.
  AREAS THAT RECEIVED ACCUMULATING SNOW RECENTLY WILL SEE
  VISIBILITIES SHARPLY REDUCED IN BLOWING SNOW AND SNOW COVERED
  ROADS. MOTORISTS ARE URGED TO USE EXTREME CAUTION IF TRAVELLING
  THROUGH MONDAY AFTERNOON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. FOR DETAILED ROAD
AND TRAVEL CONDITIONS IN WYOMING AND NEBRASKA...DIAL 5 1 1.

&&

$$

WYZ101-104-105-107-109-115-117-118-171300-
/O.CON.KCYS.HW.W.0045.121217T0900Z-121218T0000Z/
CONVERSE COUNTY LOWER ELEVATIONS-FERRIS/SEMINOE/SHIRLEY MOUNTAINS-
SHIRLEY BASIN-EAST PLATTE COUNTY-CENTRAL CARBON COUNTY-
LARAMIE VALLEY-SOUTH LARAMIE RANGE FOOTHILLS-
CENTRAL LARAMIE COUNTY-
INCLUDING THE CITIES OF...DOUGLAS...GLENROCK...MUDDY GAP...
MEDICINE BOW...GLENDO...WHEATLAND...CHUGWATER...GUERNSEY...
RAWLINS...SINCLAIR...HANNA...LARAMIE...HORSE CREEK...HARRIMAN...
WHITAKER...CHEYENNE
929 PM MST SUN DEC 16 2012

...HIGH WIND WARNING REMAINS IN EFFECT FROM 2 AM TO 5 PM MST
MONDAY...

A HIGH WIND WARNING REMAINS IN EFFECT FROM 2 AM TO 5 PM MST
MONDAY. 

* TIMING...2 AM MONDAY MORNING THROUGH 5 PM MONDAY AFTERNOON

* WINDS...WEST TO SOUTHWEST 40 TO 45 MPH WITH GUSTS TO 65 MPH.

* IMPACTS...SUDDEN STRONG GUSTY WINDS MAY MAKE TRAVEL
  HAZARDOUS...ESPECIALLY FOR HIGH PROFILE OR LIGHTWEIGHT VEHICLES.
  AREAS THAT RECEIVED ACCUMULATING SNOW RECENTLY WILL SEE
  VISIBILITIES SHARPLY REDUCED IN BLOWING SNOW AND SNOW COVERED
  ROADS. MOTORISTS ARE URGED TO USE EXTREME CAUTION LATE TONIGHT
  THROUGH MONDAY AFTERNOON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. FOR DETAILED ROAD
AND TRAVEL CONDITIONS IN WYOMING AND NEBRASKA...DIAL 5 1 1.

&&

$$

TCYS
262 
WWUS75 KCYS 171126
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
426 AM MST MON DEC 17 2012

...STRONG WINDS ACROSS MUCH OF SOUTHEAST WYOMING THROUGH THIS 
AFTERNOON...

.STRONG GUSTY WINDS WILL OCCUR ACROSS MUCH OF SOUTHEAST WYOMING
THROUGH THIS AFTERNOON. FREQUENT WIND GUSTS OF 50 TO 60 MPH WILL
BE FOUND FROM NEAR INTERSTATE 25 WESTWARD OVER SOUTHEAST WYOMING.
WIND GUSTS TO AROUND 70 MPH WILL OCCUR IN FAVORED WINDY LOCATIONS
SUCH AS ARLINGTON ALONG INTERSTATE 80. ADDITIONALLY...SNOW AND
BLOWING SNOW CAN BE EXPECTED MAINLY WEST OF THE LARAMIE RANGE 
TODAY. THIS INCLUDES ALONG INTERSTATE 80 BETWEEN LARAMIE AND
RAWLINS...WHERE VISIBILITIES MAY BE SIGNIFICANTLY REDUCED TODAY.

WYZ101-104>107-109-110-115>118-180000-
/O.CON.KCYS.HW.W.0045.000000T0000Z-121218T0000Z/
CONVERSE COUNTY LOWER ELEVATIONS-FERRIS/SEMINOE/SHIRLEY MOUNTAINS-
SHIRLEY BASIN-CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
EAST PLATTE COUNTY-CENTRAL CARBON COUNTY-
NORTH SNOWY RANGE FOOTHILLS-LARAMIE VALLEY-SOUTH LARAMIE RANGE-
SOUTH LARAMIE RANGE FOOTHILLS-CENTRAL LARAMIE COUNTY-
INCLUDING THE CITIES OF...DOUGLAS...GLENROCK...MUDDY GAP...
MEDICINE BOW...BORDEAUX...GLENDO...WHEATLAND...CHUGWATER...
GUERNSEY...RAWLINS...SINCLAIR...HANNA...ARLINGTON...
ELK MOUNTAIN...LARAMIE...VEDAUWOO...BUFORD...PUMPKIN VINE...
HORSE CREEK...HARRIMAN...WHITAKER...CHEYENNE
426 AM MST MON DEC 17 2012

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON. 

* TIMING...UNTIL 5 PM THIS AFTERNOON. 

* WINDS...WEST TO SOUTHWEST 35 TO 45 MPH WITH GUSTS TO 60 MPH.
  WIND GUSTS TO 70 MPH LIKELY IN HIGH WIND CORRIDORS SUCH AS
  BORDEAUX AND THE ARLINGTON AREA.

* IMPACTS...SUDDEN STRONG GUSTY WINDS MAY MAKE TRAVEL
  HAZARDOUS...ESPECIALLY FOR HIGH PROFILE OR LIGHTWEIGHT VEHICLES.
  IN ADDITION...SNOW AND BLOWING TO MAY SIGNIFICANTLY REDUCED
  VISIBILITIES FOR AREAS WEST OF THE LARAMIE RANGE. MOTORISTS ARE
  URGED TO USE EXTREME CAUTION TODAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. FOR DETAILED ROAD
AND TRAVEL CONDITIONS IN WYOMING AND NEBRASKA...DIAL 5 1 1.

&&

$$

LIEBL
976 
WWUS75 KCYS 172037
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
137 PM MST MON DEC 17 2012

WYZ101-104>107-109-110-115>118-180000-
/O.CON.KCYS.HW.W.0045.000000T0000Z-121218T0000Z/
CONVERSE COUNTY LOWER ELEVATIONS-FERRIS/SEMINOE/SHIRLEY MOUNTAINS-
SHIRLEY BASIN-CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
EAST PLATTE COUNTY-CENTRAL CARBON COUNTY-
NORTH SNOWY RANGE FOOTHILLS-LARAMIE VALLEY-SOUTH LARAMIE RANGE-
SOUTH LARAMIE RANGE FOOTHILLS-CENTRAL LARAMIE COUNTY-
INCLUDING THE CITIES OF...DOUGLAS...GLENROCK...MUDDY GAP...
MEDICINE BOW...BORDEAUX...GLENDO...WHEATLAND...CHUGWATER...
GUERNSEY...RAWLINS...SINCLAIR...HANNA...ARLINGTON...
ELK MOUNTAIN...LARAMIE...VEDAUWOO...BUFORD...PUMPKIN VINE...
HORSE CREEK...HARRIMAN...WHITAKER...CHEYENNE
137 PM MST MON DEC 17 2012

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS
AFTERNOON. 

* TIMING...UNTIL 5 PM THIS AFTERNOON.

* WINDS...WEST TO SOUTHWEST 35 TO 45 MPH WITH GUSTS AROUND 65 MPH.
  WIND GUSTS TO 75 MPH LIKELY IN HIGH WIND CORRIDORS SUCH AS
  BORDEAUX AND THE ARLINGTON AREA.

* IMPACTS...SUDDEN STRONG GUSTY WINDS MAY MAKE TRAVEL 
  HAZARDOUS...ESPECIALLY FOR HIGH PROFILE OR LIGHTWEIGHT 
  VEHICLES. IN ADDITION...SNOW AND BLOWING TO MAY SIGNIFICANTLY 
  REDUCED VISIBILITIES FOR AREAS WEST OF THE LARAMIE RANGE. 
  MOTORISTS ARE URGED TO USE EXTREME CAUTION TODAY. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. FOR DETAILED ROAD
AND TRAVEL CONDITIONS IN WYOMING AND NEBRASKA...DIAL 5 1 1.

&&

$$

TT
812 
WWUS75 KCYS 172349
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
449 PM MST MON DEC 17 2012

WYZ101-104>107-109-110-115>118-180100-
/O.EXP.KCYS.HW.W.0045.000000T0000Z-121218T0000Z/
CONVERSE COUNTY LOWER ELEVATIONS-FERRIS/SEMINOE/SHIRLEY MOUNTAINS-
SHIRLEY BASIN-CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
EAST PLATTE COUNTY-CENTRAL CARBON COUNTY-
NORTH SNOWY RANGE FOOTHILLS-LARAMIE VALLEY-SOUTH LARAMIE RANGE-
SOUTH LARAMIE RANGE FOOTHILLS-CENTRAL LARAMIE COUNTY-
INCLUDING THE CITIES OF...DOUGLAS...GLENROCK...MUDDY GAP...
MEDICINE BOW...BORDEAUX...GLENDO...WHEATLAND...CHUGWATER...
GUERNSEY...RAWLINS...SINCLAIR...HANNA...ARLINGTON...
ELK MOUNTAIN...LARAMIE...VEDAUWOO...BUFORD...PUMPKIN VINE...
HORSE CREEK...HARRIMAN...WHITAKER...CHEYENNE
449 PM MST MON DEC 17 2012

...HIGH WIND WARNING WILL EXPIRE AT 5 PM MST THIS AFTERNOON...

THE HIGH WIND WARNING WILL EXPIRE AT 5 PM MST THIS AFTERNOON. 

ALTHOUGH SOUTHWEST WIND GUSTS OF UP TO 50 MPH WILL STILL BE
POSSIBLE THROUGH EARLY THIS EVENING...THE MOST HAZARDOUS HIGH
WINDS HAVE ENDED. THEREFORE...THE HIGH WIND WARNING WILL BE
ALLOWED TO EXPIRE AT 5 PM.

$$

HAHN

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 15, 9:07 PM MSTWinter Storm WatchCYSAlbany, Carbon8 hr
Dec 16, 5:25 AM MSTWinter Storm WarningCYSAlbany, Carbon, Laramie3 days
Dec 16, 12:55 PM MSTWinter Weather AdvisoryCYSAlbany, Converse, Platte16 hr

Nearby

High Wind Warnings in Wyoming, 2012Every high wind warning in 2012

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.