Alert archive / Wyoming / High Wind Warnings in 2018

High Wind Warning 33, NWS Cheyenne, WY

April 17, 2018Albany County, Laramie County, Platte County, Wyoming

NWS Cheyenne, WY issued this high wind warning at Apr 17, 2018, 4:38 PM MDT for Albany County, Laramie County, Platte County, Wyoming. It was in force for 3 hr. 25 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
Apr 17, 2018, 4:38 PM MDT (22:38 UTC)
Expired
Apr 17, 2018, 7:58 PM MDT
In force
3 hr
Issued by
NWS Cheyenne, WY

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

The radar

The Cheyenne radar (KCYS), 66 km from the middle of the area, began a volume at 22:40 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
Apr 17, 4:40 PM MDTNON-TSTM WND GST 6310 Wsw Cheyenne, WYMP 353 WYDOT SITE. SUSTAINED WINDS 49 MPH.
Apr 17, 4:40 PM MDTNON-TSTM WND GST 6312 Nne Lake Hattie Rese, WYHERRICK LANE WYDOT SITE. SUSTAINED AT 47 MPH.
Apr 17, 4:40 PM MDTNON-TSTM WND GST 682 Ne Granite Springs Re, WYWILDCAT TRAIL WYDOT SITE. SUSTAINED AT 50 MPH.
Apr 17, 4:50 PM MDTNON-TSTM WND GST 611 Ene Buford, WYBUFORD EAST WYDOT SITE. SUSTAINED AT 49 MPH.
Apr 17, 4:50 PM MDTNON-TSTM WND GST 702 Ne Granite Springs Re, WYWILDCAT TRAIL WYDOT SITE. SUSTAINED WINDS 43 MPH.
Apr 17, 4:56 PM MDTNON-TSTM WND GST 5813 Wnw Laramie, WY
Apr 17, 4:56 PM MDTNON-TSTM WND GST 60Buford, WY
Apr 17, 4:56 PM MDTNON-TSTM WND GST 63Laramie, WY
Apr 17, 4:57 PM MDTNON-TSTM WND GST 58Vedauwoo, WY
Apr 17, 5:00 PM MDTNON-TSTM WND GST 642 Nnw Laramie, WYLARAMIE HADS SITE LWRW4. SUSTAINED WINDS 43 MPH.
Apr 17, 5:09 PM MDTNON-TSTM WND GST 601 Nne Laramie, WYLARAMIE CWOP SITE EW3601. SUSTAINED WINDS 34 MPH.
Apr 17, 5:15 PM MDTNON-TSTM WND GST 61Cheyenne, WYSUSTAINED AT 43 MPH.
Apr 17, 5:18 PM MDTNON-TSTM WND GST 65Warren Af Base, WY
Apr 17, 5:20 PM MDTNON-TSTM WND GST 61Vedauwoo, WYSUSTAINED AT 49 MPH.
Apr 17, 5:20 PM MDTNON-TSTM WND GST 64Warren Af Base, WYSUSTAINED AT 45 MPH.
Apr 17, 5:25 PM MDTNON-TSTM WND GST 01 Nnw Whitaker, WYWHITAKER WYDOT SITE ON I-25. SUSTAINED WINDS 47 MPH.
Apr 17, 5:25 PM MDTNON-TSTM WND GST 601 Nnw Whitaker, WYWHITAKER WYDOT SITE ON I-25. SUSTAINED WINDS 47 MPH.
Apr 17, 5:25 PM MDTNON-TSTM WND GST 603 Wsw Winchester Hills, WYWYO HILL WYDOT SITE ON I-25. SUSTAINED WINDS 44 MPH.
Apr 17, 5:25 PM MDTNON-TSTM WND GST 6713 S Glendo, WYWYDOT SENSOR AT COLEMAN ALONG INTERSTATE 25.
Apr 17, 5:30 PM MDTNON-TSTM WND GST 688 Ese Crystal Lake Camp, WYOTTO WYDOT SITE ON I-80. SUSTAINED WINDS 58 MPH.
Apr 17, 5:35 PM MDTNON-TSTM WND GST 58Pine Bluffs, WY
Apr 17, 5:44 PM MDTNON-TSTM WND GST 6411 Sse Garrett, WY
Apr 17, 6:15 PM MDTNON-TSTM WND GST 63Pine Bluffs, WYSUSTAINED AT 41 MPH.
Apr 17, 6:15 PM MDTNON-TSTM WND GST 64Pine Bluffs, WY
Apr 17, 6:20 PM MDTNON-TSTM WND GST 59Pumpkin Vine, WYSUSTAINED AT 50 MPH.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Denver, CO (KDEN), launched 12:00Z, 10.6 hours before the alert went out and 259 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, Denver, CO at 12:00Z on 2018-04-17Temperature 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, Denver, CO at 12:00Z on 2018-04-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 116 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
3239 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
116 m²/s²
0-3 km storm-relative helicity
125 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

297 
WWUS75 KCYS 172238
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
438 PM MDT Tue Apr 17 2018

...STRONG WINDS ACROSS MUCH OF SOUTHEAST WYOMING AND THE SOUTHERN
NEBRASKA PANHANDLE TODAY...

WYZ115-116-180300-
/O.NEW.KCYS.HW.W.0033.180417T2238Z-180418T0300Z/
Laramie Valley-South Laramie Range-
Including the cities of Bosler, Laramie, Buford, Pumpkin Vine, 
and Vedauwoo
438 PM MDT Tue Apr 17 2018

...HIGH WIND WARNING IN EFFECT UNTIL 9 PM MDT THIS EVENING...

The National Weather Service in Cheyenne has issued a High Wind
Warning, which is in effect until 9 PM MDT this evening. 

* TIMING...Through 9 PM this evening

* WINDS...West to southwest 35 to 45 mph sustained with gusts to 
  65 mph possible. 

* IMPACTS...Mainly to transportation. High profile and light 
  weight vehicles such as commercial trucks pulling lighter 
  trailer loads, box trucks, camper trailers, and high profile 
  recreational vehicles can expect an increased risk of blow 
  over or blow off. 

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.

&&

$$

WYZ106-117-180300-
/O.NEW.KCYS.HW.W.0033.180417T2238Z-180418T0300Z/
Central Laramie Range and Southwest Platte County-
South Laramie Range Foothills-
Including the cities of Bordeaux, Whitaker, Federal, 
and Horse Creek
438 PM MDT Tue Apr 17 2018

...HIGH WIND WARNING IN EFFECT UNTIL 9 PM MDT THIS EVENING...

The National Weather Service in Cheyenne has issued a High Wind
Warning, which is in effect until 9 PM MDT this evening. 

* TIMING...Thru 9 PM this evening.

* WINDS...West 35 to 45 mph sustained with gusts to 65 mph 
  possible. 

* IMPACTS...Mainly to transportation. High profile and light 
  weight vehicles such as commercial trucks pulling lighter 
  trailer loads, box trucks, camper trailers, and high profile 
  recreational vehicles can expect an increased risk of blow 
  over or blow off. 

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.

&&

$$

NEZ019>021-054-055-WYZ107-108-118-119-180300-
/O.CON.KCYS.HW.W.0032.000000T0000Z-180418T0300Z/
Scotts Bluff-Banner-Morrill-Kimball-Cheyenne-East Platte County-
Goshen County-Central Laramie County-East Laramie County-
Including the cities of Scottsbluff, Gering, Harrisburg, Angora, 
Bridgeport, Bayard, Redington, Kimball, Brownson, Sidney, 
Wheatland, Guernsey, Torrington, Cheyenne, and Pine Bluffs
438 PM MDT Tue Apr 17 2018

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS
EVENING...

* TIMING...Until 9 pm.

* WINDS...West 30 to 45 mph sustained with gusts to 60 mph.

* IMPACTS...Mainly to transportation. High profile and light 
  weight vehicles such as commercial trucks pulling lighter 
  trailer loads, box trucks, camper trailers, and high profile 
  recreational vehicles can expect an increased risk of blow 
  over or blow off. 

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 and travel
difficulties.

&&

$$
1 follow-up statement
275 
WWUS75 KCYS 180158
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
758 PM MDT Tue Apr 17 2018

...WINDS EASING ACROSS EXTREME SOUTHEAST WYOMING AND NEBRASKA
PANHANDLE THIS EVENING...

WYZ106-115>117-180300-
/O.CAN.KCYS.HW.W.0033.000000T0000Z-180418T0300Z/
Central Laramie Range and Southwest Platte County-Laramie Valley-
South Laramie Range-South Laramie Range Foothills-
Including the cities of Bordeaux, Bosler, Laramie, Buford, 
Pumpkin Vine, Vedauwoo, Whitaker, Federal, and Horse Creek
758 PM MDT Tue Apr 17 2018

...HIGH WIND WARNING IS CANCELLED...

The National Weather Service in Cheyenne has cancelled the High
Wind Warning. 

Winds have eased and are expected to continue to decrease. Warning
level winds are no longer expected. The High Wind Warning has been
cancelled early.


$$

WYZ107-108-118-119-180300-
/O.CAN.KCYS.HW.W.0032.000000T0000Z-180418T0300Z/
East Platte County-Goshen County-Central Laramie County-
East Laramie County-
Including the cities of Wheatland, Guernsey, Torrington, 
Cheyenne, and Pine Bluffs
758 PM MDT Tue Apr 17 2018

...HIGH WIND WARNING IS CANCELLED...

The National Weather Service in Cheyenne has cancelled the High
Wind Warning. 

Winds have eased and are expected to continue to decrease. Warning
level winds are no longer expected. The High Wind Warning has been
cancelled early.

$$

NEZ019>021-054-055-180300-
/O.CON.KCYS.HW.W.0032.000000T0000Z-180418T0300Z/
Scotts Bluff-Banner-Morrill-Kimball-Cheyenne-
Including the cities of Scottsbluff, Gering, Harrisburg, Angora, 
Bridgeport, Bayard, Redington, Kimball, Brownson, and Sidney
758 PM MDT Tue Apr 17 2018

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS
EVENING...

* TIMING...Until 9 pm.

* WINDS...West 30 to 45 mph sustained with gusts to 60 mph.

* IMPACTS...Mainly to transportation. High profile and light 
  weight vehicles such as commercial trucks pulling lighter 
  trailer loads, box trucks, camper trailers, and high profile 
  recreational vehicles can expect an increased risk of blow 
  over or blow off. 

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 and travel
difficulties.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 16, 7:01 PM MDTHigh Wind WarningCYSAlbany, Carbon, Goshen, Laramie, Platte26 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.