Alert archive / Wyoming / High Wind Warnings in 2018

High Wind Warning 10, NWS Cheyenne, WY

January 27, 20184 counties in Wyoming

NWS Cheyenne, WY issued this high wind warning at Jan 27, 2018, 12:37 PM MST for 4 counties in Wyoming. It took effect at Jan 27, 2018, 8:00 PM MST. It was in force for 12 hr. 8 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 27, 2018, 12:37 PM MST (19:37 UTC)
In effect from
Jan 27, 2018, 8:00 PM MST
Expired
Jan 28, 2018, 7:47 AM MST
In force
12 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 19:36 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 27, 8:11 PM MSTNON-TSTM WND GST 5114 Ne Centennial, WY
Jan 27, 8:11 PM MSTNON-TSTM WND GST 57Arlington, WY
Jan 27, 11:30 PM MSTNON-TSTM WND GST 591 Sse Bordeaux, WYBORDEAUX WYDOT SITE. SUSTAINED WINDS 40 MPH.
Jan 28, 2:10 AM MSTNON-TSTM WND GST 562 Wnw Buford, WYLONE TREE WYDOT SITE. SUSTAINED WINDS 40 MPH SINCE 150 AM.
Jan 28, 2:30 AM MSTHIGH SUST WINDS 401 Ene Buford, WYBUFORD EAST WYDOT SITE. SUSTAINED WINDS OVER 40 MPH FOR PAST HOUR. PEAK GUST 57 MPH AT 210 AM.
Jan 28, 3:10 AM MSTHIGH SUST WINDS 457 Nw Elk Mountain, WYHALLECK RIDGE WYDOT SITE ON I-80. SUSTAINED WINDS OVER 40 MPH FOR PAST HOUR. PEAK GUST 55 MPH AT 250 AM.
Jan 28, 4:25 AM MSTHIGH SUST WINDS 447 Nw Elk Mountain, WYHALLECK RIDGE WYDOT SITE ON I-80. SUSTAINED WINDS OVER 40 MPH FOR PAST HOUR. PEAK GUST 53 MPH AT 335 AM.
Jan 28, 4:40 AM MSTNON-TSTM WND GST 581 Ene Buford, WYBUFORD EAST WYDOT SITE. SUSTAINED WINDS 45 MPH.

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, 7.6 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 12:00Z on 2018-01-27Temperature 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 2018-01-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -46 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1887 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
-46 m²/s²
0-3 km storm-relative helicity
167 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

454 
WWUS75 KCYS 271937
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
1237 PM MST Sat Jan 27 2018

...STRONG WINDS RETURN TONIGHT TO THE WIND PRONE AREAS OF
SOUTHEAST WYOMING...

WYZ110-281230-
/O.UPG.KCYS.HW.A.0009.180128T0300Z-180128T1700Z/
/O.NEW.KCYS.HW.W.0010.180128T0300Z-180128T1700Z/
North Snowy Range Foothills-
Including the cities of Arlington and Elk Mountain
1237 PM MST Sat Jan 27 2018

...HIGH WIND WARNING IN EFFECT FROM 8 PM THIS EVENING TO 10 AM
MST SUNDAY...

The National Weather Service in Cheyenne has issued a High Wind
Warning, which is in effect from 8 PM this evening to 10 AM MST
Sunday. The High Wind Watch is no longer in effect. 

* TIMING...8PM Tonight Through 10 AM Sunday. The strongest winds
  are expected to start after midnight. 

* WINDS...West to southwest winds 35 to 45 mph sustained with
  gusts to 65 mph possible along Interstate 80 between Laramie and
  Rawlins near Arlington and Elk Mountain.  

* IMPACTS...Mainly to transportation. Hazardous travel for light
  weight and high profile vehicles, especially on west to east
  oriented sections of roadway. Light load semis and those towing
  camper trailers may encounter increased blowoff or blowover
  risks on Interstate 80 near Arlington and Elk Mountain. 

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.

&&

$$

WYZ106-281230-
/O.CON.KCYS.HW.A.0009.180128T0300Z-180128T1700Z/
Central Laramie Range and Southwest Platte County-
Including the city of Bordeaux
1237 PM MST Sat Jan 27 2018

...HIGH WIND WATCH REMAINS IN EFFECT FROM 8 PM MST THIS EVENING
THROUGH SUNDAY MORNING...

* TIMING...8PM Tonight Through 10 AM Sunday.

* WINDS...West to southwest winds 35 to 45 mph sustained with
  gusts to 65 mph possible along Interstate 25 near Bordeaux 
  between Chugwater and Wheatland. 

* IMPACTS...Mainly to transportation. Hazardous travel for light
  weight and high profile vehicles, especially on west to east
  oriented sections of roadway. Light load semis and those towing
  camper trailers may encounter increased blowoff or blowover
  risks on Interstate 25 near Bordeaux. 

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.

&&

$$
3 follow-up statements
286 
WWUS75 KCYS 280344
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
844 PM MST Sat Jan 27 2018

...STRONG WINDS TONIGHT AND SUNDAY MORNING FOR THE INTERSTATE 80
WIND CORRIDOR BETWEEN LARAMIE AND RAWLINS...

WYZ106-280445-
/O.CAN.KCYS.HW.A.0009.000000T0000Z-180128T1700Z/
Central Laramie Range and Southwest Platte County-
Including the city of Bordeaux
844 PM MST Sat Jan 27 2018

...HIGH WIND WATCH IS CANCELLED...

The National Weather Service in Cheyenne has cancelled the High
Wind Watch for the Central Laramie Range and Southwest Platte 
County including Bordeaux.

Conditions are not favorable for the development of high winds. 
However, west winds may gust between 45 and 55 mph at times later
tonight and early Sunday morning.

$$

WYZ110-281700-
/O.CON.KCYS.HW.W.0010.000000T0000Z-180128T1700Z/
North Snowy Range Foothills-
Including the cities of Arlington and Elk Mountain
844 PM MST Sat Jan 27 2018

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 10 AM MST SUNDAY...

* TIMING...Late this evening through 10 AM Sunday. The strongest 
  winds are expected to develop after midnight tonight. 

* WINDS...West to southwest winds 35 to 45 mph sustained with
  gusts to 65 mph along Interstate 80 between Laramie and Rawlins
  near Arlington and Elk Mountain.

* IMPACTS...Mainly to transportation. Hazardous travel for light
  weight and high profile vehicles. Light load semis and those
  towing camper trailers may encounter increased blowoff or
  blowover risks along Interstate 80 near Arlington and Elk
  Mountain. Patchy blowing snow will create icy patches on area 
  roadways.

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.

&&

$$
119 
WWUS75 KCYS 280727
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
1227 AM MST Sun Jan 28 2018

...STRONG WINDS TONIGHT AND SUNDAY MORNING FOR INTERSTATE 25 NEAR
BORDEAUX THE INTERSTATE 80 WIND CORRIDOR OVER THE SUMMIT AND
AROUND ARLINGTON...

WYZ106-116-281700-
/O.EXA.KCYS.HW.W.0010.000000T0000Z-180128T1700Z/
Central Laramie Range and Southwest Platte County-
South Laramie Range-
Including the cities of Bordeaux, Buford, Pumpkin Vine, 
and Vedauwoo
1227 AM MST Sun Jan 28 2018

...HIGH WIND WARNING IN EFFECT UNTIL 10 AM MST THIS MORNING...

The National Weather Service in Cheyenne has issued a High Wind
Warning, which is in effect until 10 AM MST this morning. 

* TIMING...Through 10 AM this morning. The strongest winds are
  expected to develop through 5 AM this morning.
 
* WINDS...West to southwest winds 35 to 45 mph sustained with
  gusts to 65 mph.
 
* IMPACTS...Mainly to transportation. Hazardous travel for light
  weight and high profile vehicles. Light load semis and those
  towing camper trailers may encounter increased blowoff or
  blowover risks. Patchy blowing snow will create icy patches on 
  area roadways. 

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.

&&

$$

WYZ110-281700-
/O.CON.KCYS.HW.W.0010.000000T0000Z-180128T1700Z/
North Snowy Range Foothills-
Including the cities of Arlington and Elk Mountain
1227 AM MST Sun Jan 28 2018

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 10 AM MST THIS
MORNING...

* TIMING...Through 10 AM this morning. The strongest winds are
  expected through 5 AM this morning.
  

* WINDS...West to southwest winds 35 to 45 mph sustained with 
  gusts to 65 mph along Interstate 80 between Laramie and 
  Rawlins near Arlington and Elk Mountain. 

* IMPACTS...Mainly to transportation. Hazardous travel for light 
  weight and high profile vehicles. Light load semis and those 
  towing camper trailers may encounter increased blowoff or 
  blowover risks along Interstate 80 near Arlington and Elk 
  Mountain. Patchy blowing snow will create icy patches on area 
  roadways. 

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.

&&

$$
200 
WWUS75 KCYS 281447
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
747 AM MST Sun Jan 28 2018

WYZ106-110-116-281600-
/O.CAN.KCYS.HW.W.0010.000000T0000Z-180128T1700Z/
Central Laramie Range and Southwest Platte County-
North Snowy Range Foothills-South Laramie Range-
Including the cities of Bordeaux, Arlington, Elk Mountain, 
Buford, Pumpkin Vine, and Vedauwoo
747 AM MST Sun Jan 28 2018

...HIGH WIND WARNING IS CANCELLED...

The National Weather Service in Cheyenne has cancelled the High
Wind Warning. Strong gusty winds are beginning to subside this
morning. Sustained winds between 30 to 40 mph with occasional
gusts around 50 mph are expected through the afternoon, mainly
around Elk Mountain and Arlington. 


$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 27, 2:08 AM MSTHigh Wind WatchCYSAlbany, Carbon, Laramie, Platte19 hr

Nearby

High Wind Warnings in Wyoming, 2018Every high wind warning in 2018

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.