Alert archive / Wyoming / High Wind Warnings in 2018

High Wind Warning 4, NWS Cheyenne, WY

January 18, 20184 counties in Wyoming

NWS Cheyenne, WY issued this high wind warning at Jan 18, 2018, 1:46 AM MST for 4 counties in Wyoming. It took effect at Jan 18, 2018, 1:24 PM MST. It was in force for 18 hr. 1 report 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 18, 2018, 1:46 AM MST (08:46 UTC)
In effect from
Jan 18, 2018, 1:24 PM MST
Expired
Jan 19, 2018, 7:43 AM 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 08:52 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 18, 1:45 PM MSTNON-TSTM WND GST 619 S Wheatland, WY

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, 8.8 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 2018-01-18Temperature 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 2018-01-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 32 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
1921 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
32 m²/s²
0-3 km storm-relative helicity
107 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

644 
WWUS75 KCYS 180846
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
146 AM MST Thu Jan 18 2018

...Strong Winds Expected Late Tonight and Friday Morning for the 
Southeast Wyoming Wind Prone Areas...

.Strengthening surface and low level pressure gradients will cause
winds to become strong late tonight and Friday morning.

WYZ110-182300-
/O.UPG.KCYS.HW.A.0004.180119T0700Z-180119T1900Z/
/O.NEW.KCYS.HW.W.0004.180119T0700Z-180119T1900Z/
North Snowy Range Foothills-
Including the cities of Arlington and Elk Mountain
146 AM MST Thu Jan 18 2018

...HIGH WIND WARNING IN EFFECT FROM MIDNIGHT TONIGHT THROUGH FRIDAY
MORNING...

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 The High Wind Watch is no longer in effect. 

* TIMING...Midnight Tonight through noon Friday.

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

* IMPACTS...Mainly to transportation. Dangerous travel conditions
  for light weight and high profile vehicles, including potential
  for blow overs. Persons pulling travel trailers should check the
  latest highway advisories and potential closures from the
  Wyoming Department of Transportation.

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.

&&

$$

WYZ106-116-117-182300-
/O.CON.KCYS.HW.A.0004.180119T0700Z-180119T1900Z/
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
146 AM MST Thu Jan 18 2018

...HIGH WIND WATCH REMAINS IN EFFECT FROM MIDNIGHT TONIGHT THROUGH
FRIDAY MORNING...

* TIMING...Midnight Tonight through noon Friday.

* WINDS...West 35 to 45 mph sustained with gusts to 60 mph  
  possible.

* IMPACTS...Mainly to transportation. Potential dangerous travel
  conditions for light weight and high profile vehicles, including
  potential for blow overs. Persons pulling travel trailers should
  check the latest highway advisories and potential closures from
  the Wyoming Department of Transportation.

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.

&&

$$
4 follow-up statements
677 
WWUS75 KCYS 182024
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
124 PM MST Thu Jan 18 2018

...Strong Winds Expected Through Friday Morning for the Southeast
Wyoming Wind Prone Areas...

WYZ106-191030-
/O.UPG.KCYS.HW.A.0004.180119T0700Z-180119T1900Z/
/O.EXB.KCYS.HW.W.0004.180118T2024Z-180119T1900Z/
Central Laramie Range and Southwest Platte County-
Including the city of Bordeaux
124 PM MST Thu Jan 18 2018

...HIGH WIND WARNING IN EFFECT UNTIL NOON MST FRIDAY...

The National Weather Service in Cheyenne has issued a High Wind
Warning, which is in effect until noon MST Friday. The High Wind
Watch is no longer in effect. 

* TIMING...Through noon Friday.

* WINDS...West 35 to 45 mph sustained with gusts over 60 mph at
  times. 

* IMPACTS...Mainly to transportation. Potential dangerous travel 
  conditions for light weight and high profile vehicles, 
  including potential for blow overs. Persons pulling travel 
  trailers should check the latest highway advisories and 
  potential closures from the Wyoming Department of 
  Transportation. 

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.

&&

$$

WYZ110-191030-
/O.CON.KCYS.HW.W.0004.180119T0700Z-180119T1900Z/
North Snowy Range Foothills-
Including the cities of Arlington and Elk Mountain
124 PM MST Thu Jan 18 2018

...HIGH WIND WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
NOON MST FRIDAY...

* TIMING...Midnight Tonight through noon Friday.

* WINDS...West to southwest 35 to 45 mph sustained with gusts over
  60 mph. 

* IMPACTS...Mainly to transportation. Dangerous travel 
  conditions for light weight and high profile vehicles, 
  including potential for blow overs. Persons pulling travel 
  trailers should check the latest highway advisories and 
  potential closures from the Wyoming Department of 
  Transportation. 

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.

&&

$$

WYZ116-117-191030-
/O.CON.KCYS.HW.A.0004.180119T0700Z-180119T1900Z/
South Laramie Range-South Laramie Range Foothills-
Including the cities of Buford, Pumpkin Vine, Vedauwoo, Whitaker,
Federal, and Horse Creek
124 PM MST Thu Jan 18 2018

...HIGH WIND WATCH REMAINS IN EFFECT FROM MIDNIGHT MST TONIGHT
THROUGH FRIDAY MORNING...

* TIMING...Midnight Tonight through noon Friday.

* WINDS...West 35 to 45 mph sustained with gusts to 60 mph 
  possible. 

* IMPACTS...Mainly to transportation. Potential dangerous travel 
  conditions for light weight and high profile vehicles, 
  including potential for blow overs. Persons pulling travel 
  trailers should check the latest highway advisories and 
  potential closures from the Wyoming Department of 
  Transportation. 

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.

&&

$$
508 
WWUS75 KCYS 190432
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
932 PM MST Thu Jan 18 2018

...Strong Winds Expected Through Friday Morning for the Southeast
Wyoming Wind Prone Areas...

WYZ116-117-190545-
/O.CAN.KCYS.HW.A.0004.180119T0700Z-180119T1900Z/
South Laramie Range-South Laramie Range Foothills-
Including the cities of Buford, Pumpkin Vine, Vedauwoo, Whitaker,
Federal, and Horse Creek
932 PM MST Thu Jan 18 2018

...HIGH WIND WATCH IS CANCELLED...

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

Wind speeds along Interstate 80 between Cheyenne and Laramie are
expected to remain below Warning criteria. However, west winds of
30 to 40 MPH with gusts around 55 MPH are still possible from late
tonight through Friday morning.

$$

WYZ106-191300-
/O.CON.KCYS.HW.W.0004.000000T0000Z-180119T1900Z/
Central Laramie Range and Southwest Platte County-
Including the city of Bordeaux
932 PM MST Thu Jan 18 2018

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON MST FRIDAY...

* TIMING...Through noon Friday.

* WINDS...West 35 to 45 mph sustained with gusts up to 60 MPH at
  times.

* IMPACTS...Mainly to transportation. Potentially dangerous 
  travel conditions for light weight and high profile vehicles, 
  including potential for blow overs. Persons pulling travel 
  trailers should check the latest highway advisories and 
  potential closures from the Wyoming Department of 
  Transportation. 

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.

&&

$$

WYZ110-191300-
/O.CON.KCYS.HW.W.0004.180119T0700Z-180119T1900Z/
North Snowy Range Foothills-
Including the cities of Arlington and Elk Mountain
932 PM MST Thu Jan 18 2018

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON MST FRIDAY...

* TIMING...Midnight Tonight through noon Friday.

* WINDS...West to southwest 35 to 45 mph sustained with gusts up
  to 60 MPH at times. 

* IMPACTS...Mainly to transportation. Potentially dangerous 
  travel conditions for light weight and high profile vehicles, 
  including potential for blow overs. Persons pulling travel 
  trailers should check the latest highway advisories and 
  potential closures from the Wyoming Department of 
  Transportation. 

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.

&&

$$
493 
WWUS75 KCYS 190930
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
230 AM MST Fri Jan 19 2018

...Strong Winds This Morning for the Southeast Wyoming Wind Prone
Areas...

WYZ106-110-191900-
/O.CON.KCYS.HW.W.0004.000000T0000Z-180119T1900Z/
Central Laramie Range and Southwest Platte County-
North Snowy Range Foothills-
Including the cities of Bordeaux, Arlington, and Elk Mountain
230 AM MST Fri Jan 19 2018

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON MST TODAY...

* TIMING...Through Noon Today.

* WINDS...West 35 to 45 mph sustained with gusts up to 60 mph. 

* IMPACTS...Mainly to transportation. Potentially dangerous travel
  conditions for light weight and high profile vehicles, including
  potential for blow overs. Persons pulling travel trailers should
  check the latest highway advisories and potential closures from
  the Wyoming Department of Transportation. 

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.

&&

$$
079 
WWUS75 KCYS 191443
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
743 AM MST Fri Jan 19 2018

WYZ106-110-191545-
/O.CAN.KCYS.HW.W.0004.000000T0000Z-180119T1900Z/
Central Laramie Range and Southwest Platte County-
North Snowy Range Foothills-
Including the cities of Bordeaux, Arlington, and Elk Mountain
743 AM MST Fri Jan 19 2018

...HIGH WIND WARNING IS CANCELLED...

The National Weather Service in Cheyenne has cancelled the High
Wind Warning. Winds have been weaker than expected this morning.
Although a few gusts around 50 MPH are possible through noon,
widespread gusts around 60 MPH are not expected at this time. 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 18, 2:40 PM MSTWinter Storm WatchCYSAlbany, Carbon, Converse, Goshen, Laramie, Niobrara and 1 more36 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.