Alert archive / Wyoming / High Wind Warnings in 2018

High Wind Warning 50, NWS Cheyenne, WY

December 20, 20184 counties in Wyoming

NWS Cheyenne, WY issued this high wind warning at Dec 20, 2018, 12:01 PM MST for 4 counties in Wyoming. It took effect at Dec 21, 2018, 12:00 AM MST. It was in force for 18 hr. 49 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 20, 2018, 12:01 PM MST (19:01 UTC)
In effect from
Dec 21, 2018, 12:00 AM MST
Expired
Dec 21, 2018, 6:00 PM MST
In force
18 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 19:04 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
Dec 21, 8:30 AM MSTNON-TSTM WND GST 622 Wsw Buford, WYUP203 ALONG INTERSTATE 80 MEASURED A WIND GUST OF 62 MPH
Dec 21, 9:15 AM MSTNON-TSTM WND GST 582 W Buford, WYWY36 ALONG INTERSTATE 80 MEASURED A WIND GUST OF 58 MPH.
Dec 21, 9:25 AM MSTNON-TSTM WND GST 662 Wsw Buford, WYUP203 MEASURED A WIND GUST OF 66 MPH
Dec 21, 10:00 AM MSTNON-TSTM WND GST 607 Ese Arlington, WYWY24 COOPER COVER
Dec 21, 10:00 AM MSTNON-TSTM WND GST 676 W Bordeaux, WYKBRX MEASURED A WIND GUST OF 67 MPH
Dec 21, 10:05 AM MSTNON-TSTM WND GST 816 W Bordeaux, WYKBRX MEASURED A WIND GUST OF 81 MPH. SUSTAINED WINDS FROM 50 TO 60 MPH.
Dec 21, 10:15 AM MSTNON-TSTM WND GST 716 W Bordeaux, WY
Dec 21, 10:20 AM MSTNON-TSTM WND GST 702 Ene Granite Springs R, WYWY48 WILDCAT TRAIL
Dec 21, 11:25 AM MSTNON-TSTM WND GST 668 Ese Crystal Lake Camp, WYWY38 ON INTERSTATE 80 MEASURED A WIND GUST OF 66 MPH
Dec 21, 11:45 AM MSTNON-TSTM WND GST 8510 Ese Crystal Lake Cam, WYUP226 EMKAYW
Dec 21, 12:45 PM MSTNON-TSTM WND GST 858 S Chugwater, WYTHIS IS WYDOT SITE BEAR CREEK. SUSTAINED WIND 68 MPH.
Dec 21, 12:50 PM MSTNON-TSTM WND GST 6916 E Horse Creek, WYTHIS IS WYDOT SITE WHITAKER. SUSTAINED WIND 59 MPH.
Dec 21, 1:20 PM MSTNON-TSTM WND GST 6315 E Sinclair, WYTHIS IS WYDOT SITE WALCOTT JUNCTION. SUSTAINED WIND 53 MPH.
Dec 21, 1:20 PM MSTNON-TSTM WND GST 75S Chugwater, WYTHIS IS WYDOT SITE BEAR CREEK. SUSTAINED 62 MPH.
Dec 21, 1:30 PM MSTNON-TSTM WND GST 6516 E Horse Creek, WYTHIS IS WYDOT SITE WHITAKER. SUSTAINED WIND 51 MPH.
Dec 21, 1:30 PM MSTNON-TSTM WND GST 808 S Chugwater, WYTHIS IS WYDOT SITE BEAR CREEK. SUSTAINED WIND 63 MPH.
Dec 21, 1:45 PM MSTNON-TSTM WND GST 637 Ese Arlington, WYTHIS ID WYDOT SITE COOPER COVE. SUSTAINED WIND 42 MPG.
Dec 21, 1:50 PM MSTNON-TSTM WND GST 6115 Nne Centennial, WYTHIS IS WYDOT SITE STROUSS HILL. SUSTAINED WIND 41 MPH.
Dec 21, 1:55 PM MSTNON-TSTM WND GST 6215 Nne Centennial, WYTHIS IS WYDOT SITE STROUSS HILL. SUSTAINED WIND 44 MPH.
Dec 21, 1:57 PM MSTNON-TSTM WND GST 60Cheyenne, WY
Dec 21, 1:57 PM MSTNON-TSTM WND GST 60Warren Af Base, WY52-KT GUST.
Dec 21, 1:58 PM MSTHIGH SUST WINDS 43Warren Af Base, WY
Dec 21, 2:10 PM MSTNON-TSTM WND GST 7214 Ne Centennial, WYTHIS IS WYDOT SITE QUEALY DOME. SUSTAINED WIND 57 MPH.
Dec 21, 2:25 PM MSTNON-TSTM WND GST 657 Ese Arlington, WYTHIS IS WYDOT SITE COOPER COVE. SUSTAINED WIND 40 MPH.
Dec 21, 2:40 PM MSTNON-TSTM WND GST 6715 Nne Centennial, WYTHIS IS WYDOT SITE STROUSS HILL. SUSTAINED WIND 43 MPH.
Dec 21, 2:50 PM MSTTSTM WND GST 58Arlington, WYSUSTAINED WIND 47 MPH.
Dec 21, 2:50 PM MSTNON-TSTM WND GST 618 S Chugwater, WYTHIS IS WYDOT SITE BEAR CREEK. SUSTAINED WIND 47 MPH.
Dec 21, 2:55 PM MSTNON-TSTM WND GST 5810 Wsw Cheyenne, WYTHIS IS WYDOT SITE OTTO ROAD. SUSTAINED WIND 44 MPH.
Dec 21, 2:55 PM MSTNON-TSTM WND GST 58Cheyenne, WY
Dec 21, 2:55 PM MSTNON-TSTM WND GST 774 Wsw Cheyenne, WY
Dec 21, 3:05 PM MSTNON-TSTM WND GST 6216 E Horse Creek, WYTHIS IS WYDOT SITE WHITAKER. SUSTAINED WIND 48 MPH.
Dec 21, 3:05 PM MSTNON-TSTM WND GST 6514 Ne Centennial, WYTHIS IS WYDOT SITE QUEALY DOME. SUSTAINED WIND 49 MH.
Dec 21, 3:27 PM MSTNON-TSTM WND GST 63Cheyenne, WY
Dec 21, 3:30 PM MSTNON-TSTM WND GST 5810 Sw Cheyenne, WYTHIS IS WYDOT SITE WYO SILLL SOUTH.SUSTAINED WIND 45 MPH.
Dec 21, 3:30 PM MSTNON-TSTM WND DMGCheyenne, WYROOF DAMAGE TO A WAREHOUSE ON WEST 27TH ST IN CHEYENNE. PEAK WIND GUST AT CHEYENNE AIRPORT WAS 63 MPH AT 327 PM.
Dec 21, 3:35 PM MSTTSTM WND GST 6116 E Horse Creek, WYTHIS IS WYDOT SITE WHITAKER. SUSTAINED WIND 40 MPH.
Dec 21, 3:40 PM MSTNON-TSTM WND GST 6210 Wsw Cheyenne, WYTHIS IS WYDOT SITE MPH 353.0. SUSTAINED WIND 45 MPH.
Dec 21, 3:50 PM MSTNON-TSTM WND GST 628 S Chugwater, WYTHIS IS WYDOT SITE BEAR CREEK. SUSTAINED WIND 47 MPH.
Dec 21, 4:00 PM MSTNON-TSTM WND GST 611 S Rock River, WYTHIS IS UPR345. RKRIVR. SUSTAINED WIND 42 MPH.
Dec 21, 4:05 PM MSTNON-TSTM WND GST 6310 Sw Cheyenne, WYTHIS IS WYDOT SITE WYO HILL. SUSTAINED WIND 45 MPH.
Dec 21, 4:25 PM MSTNON-TSTM WND GST 588 S Chugwater, WYTHIS IS WYDOT SITE BEAR CREEK. SUSTAINED WIND 46 MPH.
Dec 21, 4:25 PM MSTNON-TSTM WND GST 589 S Wheatland, WYTHIS IS WYDOT SITE BORDEAUX. SUSTAINED WIND 42 MPH.
Dec 21, 4:35 PM MSTNON-TSTM WND GST 6116 Wsw Cheyenne, WYTHIS IS WYDOT SITE OTTO ROAD. SUSTAINED WIND 46 MPH.
Dec 21, 4:50 PM MSTNON-TSTM WND GST 679 S Wheatland, WYTHIS IS WYDOT SITE BOREAUX. SUSTAINED WIND 49 MPH
Dec 21, 4:50 PM MSTNON-TSTM WND GST 67Arlington, WYTHIS IS WYDOT SITE COOPER COVE.SUSTAINED WIND 40 MPH.
Dec 21, 5:00 PM MSTNON-TSTM WND GST 709 S Wheatland, WYTHIS IS WYDOT SITE BORDEAUX. SUSTAINED WIND 53 MPH.
Dec 21, 5:15 PM MSTNON-TSTM WND GST 667 Ese Arlington, WYTHIS IS WYDOT SITE COOPER COVE. SUSTAINED WIND 44 MPH.
Dec 21, 5:35 PM MSTNON-TSTM WND GST 659 S Wheatland, WYTHIS IS WYDOT SITE BORDEAUX. SUTAINED WIND 45 MPH.
Dec 21, 5:50 PM MSTNON-TSTM WND GST 659 S Wheatland, WYTHIS IS WYDOT SITE BORDEAUX. SUSTAINED WIND 51 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, 7.0 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 2018-12-20Temperature 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 2018-12-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 150 square meters per square second.1939587897117136Sfc1 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
1892 m above ground
0-6 km bulk shear
68 kt
0-1 km storm-relative helicity
150 m²/s²
0-3 km storm-relative helicity
218 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

719 
WWUS75 KCYS 201901
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
1201 PM MST Thu Dec 20 2018

...Strong Winds Returning to Wind Prone Areas Tonight and 
Friday...

WYZ106-110-116-117-211200-
/O.UPG.KCYS.HW.A.0041.181221T0600Z-181222T0000Z/
/O.NEW.KCYS.HW.W.0050.181221T0700Z-181222T0100Z/
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, 
Buford, Pumpkin Vine, Vedauwoo, Whitaker, Federal, 
and Horse Creek
1201 PM MST Thu Dec 20 2018

...HIGH WIND WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM MST
FRIDAY...

The National Weather Service in Cheyenne has issued a High Wind
Warning, which is in effect from midnight tonight to 6 PM MST
Friday. The High Wind Watch is no longer in effect. 

* TIMING...Midnight tonight until 6 pm Friday.

* WINDS...West 30 to 40 mph with gusts to 65 mph. 

* IMPACTS...Mainly to transportation. Strong cross winds will
  create a risk for blow overs of lightweight and high profile
  vehicles, including camping and travel trailers. This includes
  Arlington and Elk Mountain along Interstate 80 between Laramie
  and Rawlins, as well as the Interstate 80 Summit between Laramie
  and Cheyenne. Interstate 25 near Bordeaux will be impacted by 
  these strong winds as well. 

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.

&&

$$

Rubin
4 follow-up statements
419 
WWUS75 KCYS 211012
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
312 AM MST Fri Dec 21 2018

...Strong Winds in the Wind Prone Areas Today...

WYZ106-110-116-117-220100-
/O.CON.KCYS.HW.W.0050.000000T0000Z-181222T0100Z/
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, 
Buford, Pumpkin Vine, Vedauwoo, Whitaker, Federal, 
and Horse Creek
312 AM MST Fri Dec 21 2018

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM MST THIS
EVENING...

* TIMING...Until 6 pm this evening.

* WINDS...West 30 to 40 mph with gusts over 60 mph, especially
  this afternoon.

* IMPACTS...Mainly to transportation. Strong cross winds will 
  create a risk for blow overs of lightweight and high profile 
  vehicles, including camping and travel trailers. This includes 
  Arlington and Elk Mountain along Interstate 80 between Laramie 
  and Rawlins, as well as the Interstate 80 Summit between 
  Laramie and Cheyenne. Interstate 25 near Bordeaux will be 
  impacted by these strong winds as well. 

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.

&&

$$
238 
WWUS75 KCYS 212005
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
105 PM MST Fri Dec 21 2018

...Strong Winds in the Wind Prone Areas Today...

WYZ118-220100-
/O.EXA.KCYS.HW.W.0050.000000T0000Z-181222T0100Z/
Central Laramie County-
Including the city of Cheyenne
105 PM MST Fri Dec 21 2018

...HIGH WIND WARNING IN EFFECT UNTIL 6 PM MST THIS EVENING...

The National Weather Service in Cheyenne has issued a High Wind
Warning, which is in effect until 6 PM MST this evening. 

* TIMING...Until 6 pm this evening.

* WINDS...West 30 to 40 mph with gusts to 70 mph, especially this
  afternoon. 

* IMPACTS...Mainly to transportation. Strong cross winds will
  create a risk for blow overs of lightweight and high profile
  vehicles, including camping and travel trailers.  

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.

&&

$$

WYZ106-110-116-117-220100-
/O.CON.KCYS.HW.W.0050.000000T0000Z-181222T0100Z/
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, 
Buford, Pumpkin Vine, Vedauwoo, Whitaker, Federal, 
and Horse Creek
105 PM MST Fri Dec 21 2018

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM MST THIS
EVENING...

* TIMING...Until 6 pm this evening.

* WINDS...West 30 to 40 mph with gusts to 80 mph. 

* IMPACTS...Mainly to transportation. Strong cross winds will 
  create a risk for blow overs of lightweight and high profile 
  vehicles, including camping and travel trailers. This includes 
  Arlington and Elk Mountain along Interstate 80 between Laramie 
  and Rawlins, as well as the Interstate 80 Summit between 
  Laramie and Cheyenne. Interstate 25 near Bordeaux will be 
  impacted by these strong winds as well. 

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.

&&

$$

Rubin
175 
WWUS75 KCYS 212010
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
110 PM MST Fri Dec 21 2018

...Strong Winds in the Wind Prone Areas Today...

WYZ107-220100-
/O.EXA.KCYS.HW.W.0050.000000T0000Z-181222T0100Z/
East Platte County-
Including the cities of Wheatland and Guernsey
110 PM MST Fri Dec 21 2018

...HIGH WIND WARNING IN EFFECT UNTIL 6 PM MST THIS EVENING...

The National Weather Service in Cheyenne has issued a High Wind
Warning, which is in effect until 6 PM MST this evening. 

* TIMING...Until 6 pm this evening.

* WINDS...West 30 to 40 mph with gusts to 70 mph, especially 
  this afternoon. 

* IMPACTS...Mainly to transportation. Strong cross winds will 
  create a risk for blow overs of lightweight and high profile 
  vehicles, including camping and travel trailers. 

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.

&&

$$

WYZ106-110-116>118-220100-
/O.CON.KCYS.HW.W.0050.000000T0000Z-181222T0100Z/
Central Laramie Range and Southwest Platte County-
North Snowy Range Foothills-South Laramie Range-
South Laramie Range Foothills-Central Laramie County-
Including the cities of Bordeaux, Arlington, Elk Mountain, 
Buford, Pumpkin Vine, Vedauwoo, Whitaker, Federal, Horse Creek, 
and Cheyenne
110 PM MST Fri Dec 21 2018

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM MST THIS
EVENING...

* TIMING...Until 6 pm this evening.

* WINDS...West 30 to 40 mph with gusts of 70 to 80 mph.

* IMPACTS...Mainly to transportation. Strong cross winds will 
  create a risk for blow overs of lightweight and high profile 
  vehicles, including camping and travel trailers. This includes 
  Arlington and Elk Mountain along Interstate 80 between Laramie 
  and Rawlins, as well as the Interstate 80 Summit between 
  Laramie and Cheyenne. Interstate 25 near Bordeaux will be 
  impacted by these strong winds as well. 

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.

&&

$$

Rubin
443 
WWUS75 KCYS 220103
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
603 PM MST Fri Dec 21 2018

...HIGH WIND WARNING HAS EXPIRED...

WYZ106-107-110-116>118-220215-
/O.EXP.KCYS.HW.W.0050.000000T0000Z-181222T0100Z/
Central Laramie Range and Southwest Platte County-
East Platte County-North Snowy Range Foothills-
South Laramie Range-South Laramie Range Foothills-
Central Laramie County-
Including the cities of Bordeaux, Wheatland, Guernsey, Arlington,
Elk Mountain, Buford, Pumpkin Vine, Vedauwoo, Whitaker, Federal, 
Horse Creek, and Cheyenne
603 PM MST Fri Dec 21 2018

...HIGH WIND WARNING HAS EXPIRED...

Westerly winds will slowly diminish this evening. There will still
be occasional gusts of 40 to 50 mph along Interstate 80 between 
Cheyenne and Laramie for the next few hours.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 20, 12:30 AM MSTHigh Wind WatchCYSAlbany, Carbon, Laramie, Platte12 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.