Alert archive / Wyoming / High Wind Warnings in 2018

High Wind Warning 45, NWS Cheyenne, WY

November 27, 20184 counties in Wyoming

NWS Cheyenne, WY issued this high wind warning at Nov 27, 2018, 12:05 AM MST for 4 counties in Wyoming. It took effect at Nov 27, 2018, 7:00 AM MST. It was in force for 22 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
Nov 27, 2018, 12:05 AM MST (07:05 UTC)
In effect from
Nov 27, 2018, 7:00 AM MST
Expired
Nov 28, 2018, 5:00 AM MST
In force
22 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 07:04 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
Nov 27, 7:00 AM MSTNON-TSTM WND GST 60Arlington, WYWYDOT SENSOR AT ARLINGTON. SUSTAINED WINDS OF 45 MPH.
Nov 27, 9:21 AM MSTNON-TSTM WND GST 591 Nnw Arlington, WYMESONET STATION KARL, ARLINGTON - ARL.
Nov 27, 11:15 AM MSTNON-TSTM WND GST 5811 Wsw Warren Af Base, WYMESONET STATION UP226, 14 WSW CHEYENNE - EMKAYW.
Nov 27, 11:36 AM MSTNON-TSTM WND GST 591 Nnw Arlington, WYMESONET STATION KARL, ARLINGTON - ARL.
Nov 27, 1:38 PM MSTNON-TSTM WND GST 5610 Sw Cheyenne, WYWYDOT SENSOR AT WYO HILL ALONG I-25 NEAR THE COLORADO BORDER. SUSTAINED WINDS 35-40 MPH.
Nov 27, 6:50 PM MSTHIGH SUST WINDS 427 Wnw Elk Mountain, WYWYDOT SENSOR AT HALLECK RIDGE.
Nov 27, 7:20 PM MSTNON-TSTM WND GST 605 Nw Arlington, WYWYDOT SENSOR AT WAGONHOUND. SUSTAINED 49 MPH.
Nov 27, 7:50 PM MSTHIGH SUST WINDS 467 Wnw Elk Mountain, WYHALLECK RIDGE. SUSTAINED WINDS BETWEEN 44 AND 48 MPH FOR PAST HOUR.
Nov 27, 7:55 PM MSTNON-TSTM WND GST 625 Nw Arlington, WYWAGONHOUND. SUSTAINED 52 MPH.
Nov 27, 7:55 PM MSTNON-TSTM WND GST 625 Nw Arlington, WYWAGONHOUND. SUSTAINEWD 52 MPH.
Nov 27, 8:40 PM MSTNON-TSTM WND GST 58Arlington, WYSUSTAINED 42 MPH.
Nov 27, 8:40 PM MSTNON-TSTM WND GST 637 Wnw Elk Mountain, WYHALLECK RIDGE. SUSTAINED 45 MPH.
Nov 27, 9:06 PM MSTNON-TSTM WND GST 61Arlington, WYSUSTAINED 48 MPH.
Nov 27, 9:10 PM MSTNON-TSTM WND GST 623 Nw Arlington, WYFOOTE CREEK BY ARLINGTON. SUSTAINED 52 MPH.
Nov 27, 9:15 PM MSTNON-TSTM WND GST 602 Ese Arlington, WYARLINGTON EAST. SUSTAINED 42 MPH.
Nov 27, 9:15 PM MSTNON-TSTM WND GST 627 Ese Arlington, WYCOOPER COVE BY ARLINGTON.
Nov 27, 9:15 PM MSTNON-TSTM WND GST 69Arlington, WYSUSTAINED 55 MPH.
Nov 27, 10:15 PM MSTNON-TSTM WND GST 66Arlington, WYSUSTAINED 55 MPH.
Nov 27, 10:40 PM MSTNON-TSTM WND GST 633 Nw Arlington, WYFOOTE CREEK WYDOT SITE. SUSTAINED WINDS 50 MPH.
Nov 27, 11:45 PM MSTNON-TSTM WND GST 582 Wnw Buford, WYBUFORD UPR SITE.
Nov 27, 11:50 PM MSTNON-TSTM WND GST 681 Nnw Arlington, WYARLINGTON WEST WYDOT SITE. SUSTAINED WINDS 48 MPH.
Nov 28, 12:00 AM MSTNON-TSTM WND GST 582 Wnw Buford, WYLONE TREE WYDOT SITE. SUSTAINED WINDS 40 TO 47 MPH.
Nov 28, 12:10 AM MSTNON-TSTM WND GST 583 Nw Arlington, WYFOOTE CREEK WYDOT SITE. SUSTAINED WINDS 50 MPH.
Nov 28, 12:30 AM MSTNON-TSTM WND GST 627 Ese Arlington, WYCOOPER COVE WYDOT SITE. SUSTAINED WINDS 35 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 00:00Z, 7.1 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 2018-11-27Temperature 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 00:00Z on 2018-11-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 147 square meters per square second.1939587897Sfc1 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
1898 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
147 m²/s²
0-3 km storm-relative helicity
152 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

541 
WWUS75 KCYS 270705
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
1205 AM MST Tue Nov 27 2018

...STRONG WEST WINDS FOR SOUTHEAST WYOMING WIND PRONE AREAS
THROUGH WEDNESDAY MORNING...

WYZ110-280000-
/O.NEW.KCYS.HW.W.0045.181127T1400Z-181128T1200Z/
North Snowy Range Foothills-
Including the cities of Arlington and Elk Mountain
1205 AM MST Tue Nov 27 2018

...HIGH WIND WARNING IN EFFECT FROM 7 AM THIS MORNING TO 5 AM MST
WEDNESDAY...

The National Weather Service in Cheyenne has issued a High Wind
Warning, which is in effect from 7 AM this morning to 5 AM MST
Wednesday. 

* TIMING...7 AM TUESDAY THROUGH 5AM WEDNESDAY

* WINDS...WEST TO SOUTHWEST WINDS 35 TO 45 MPH WITH GUSTS TO 65
  MPH.

* IMPACTS...Strong winds will create dangerous travel for light
  weight and high profile vehicles, including camping and travel
  trailers. In addition, blowing and drifting snow may result in  
  significantly reduced visibilities at times.

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.

&&

$$

WYZ106-116-117-280000-
/O.NEW.KCYS.HW.W.0045.181127T1700Z-181128T1200Z/
Central Laramie Range and Southwest Platte County-
South Laramie Range-South Laramie Range Foothills-
Including the cities of Bordeaux, Buford, Pumpkin Vine, Vedauwoo,
Whitaker, Federal, and Horse Creek
1205 AM MST Tue Nov 27 2018

...HIGH WIND WARNING IN EFFECT FROM 10 AM THIS MORNING TO 5 AM
MST WEDNESDAY...

The National Weather Service in Cheyenne has issued a High Wind
Warning, which is in effect from 10 AM this morning to 5 AM MST
Wednesday. 

* TIMING...10 AM TUESDAY THROUGH 5AM WEDNESDAY

* WINDS...WEST TO SOUTHWEST WINDS 35 TO 45 MPH WITH GUSTS TO 65
  MPH.

* IMPACTS...Strong winds will create dangerous travel for light
  weight and high profile vehicles, including camping and travel
  trailers. In addition, blowing and drifting snow may result in  
  significantly reduced visibilities at times.

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.

&&

$$
2 follow-up statements
861 
WWUS75 KCYS 271947
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
1247 PM MST Tue Nov 27 2018

...STRONG WEST WINDS FOR SOUTHEAST WYOMING WIND PRONE AREAS
THROUGH WEDNESDAY MORNING...

WYZ110-281200-
/O.CON.KCYS.HW.W.0045.000000T0000Z-181128T1200Z/
North Snowy Range Foothills-
Including the cities of Arlington and Elk Mountain
1247 PM MST Tue Nov 27 2018

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 AM MST WEDNESDAY...

* TIMING...7 AM TUESDAY THROUGH 5AM WEDNESDAY

* WINDS...WEST TO SOUTHWEST WINDS 35 TO 45 MPH WITH GUSTS TO 65 
  MPH. 

* IMPACTS...Strong winds will create dangerous travel for light 
  weight and high profile vehicles, including camping and travel 
  trailers. In addition, blowing and drifting snow may result in 
  significantly reduced visibilities at times. 

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.

&&

$$

WYZ106-116-117-281200-
/O.CON.KCYS.HW.W.0045.000000T0000Z-181128T1200Z/
Central Laramie Range and Southwest Platte County-
South Laramie Range-South Laramie Range Foothills-
Including the cities of Bordeaux, Buford, Pumpkin Vine, Vedauwoo,
Whitaker, Federal, and Horse Creek
1247 PM MST Tue Nov 27 2018

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 AM MST WEDNESDAY...

* TIMING...10 AM TUESDAY THROUGH 5AM WEDNESDAY

* WINDS...WEST TO SOUTHWEST WINDS 35 TO 45 MPH WITH GUSTS TO 65 
  MPH. 

* IMPACTS...Strong winds will create dangerous travel for light 
  weight and high profile vehicles, including camping and travel 
  trailers. In addition, blowing and drifting snow may result in 
  significantly reduced visibilities at times. 

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.

&&

$$

WM
895 
WWUS75 KCYS 281141
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
441 AM MST Wed Nov 28 2018

...High Wind Warning To Expire at 5 AM This Morning...

WYZ110-281245-
/O.EXP.KCYS.HW.W.0045.000000T0000Z-181128T1200Z/
North Snowy Range Foothills-
Including the cities of Arlington and Elk Mountain
441 AM MST Wed Nov 28 2018

...HIGH WIND WARNING WILL EXPIRE AT 5 AM MST EARLY THIS MORNING...

Strong winds have stayed below High Wind Warning levels for the
past several hours and are no longer expected. Therefore....the
High Wind Warning will be allowed to expire on time at 5 AM this
morning.

$$

WYZ106-116-117-281245-
/O.EXP.KCYS.HW.W.0045.000000T0000Z-181128T1200Z/
Central Laramie Range and Southwest Platte County-
South Laramie Range-South Laramie Range Foothills-
Including the cities of Bordeaux, Buford, Pumpkin Vine, Vedauwoo,
Whitaker, Federal, and Horse Creek
441 AM MST Wed Nov 28 2018

...HIGH WIND WARNING WILL EXPIRE AT 5 AM MST EARLY THIS MORNING...

Strong winds have stayed below High Wind Warning levels for the
past several hours and are no longer expected. Therefore....the
High Wind Warning will be allowed to expire on time at 5 AM this
morning.

$$

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.