Alert archive / Wyoming / High Wind Warnings in 2018

High Wind Warning 25, NWS Cheyenne, WY

April 1, 2018Albany County, Carbon County, Laramie County, Wyoming

NWS Cheyenne, WY issued this high wind warning at Apr 1, 2018, 2:38 PM MDT for Albany County, Carbon County, Laramie County, Wyoming. It took effect at Apr 2, 2018, 3:00 AM MDT. It was in force for 67 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 1, 2018, 2:38 PM MDT (20:38 UTC)
In effect from
Apr 2, 2018, 3:00 AM MDT
Expired
Apr 2, 2018, 4:07 AM MDT
In force
67 min
Issued by
NWS Cheyenne, WY

Counties Albany County, WY, Carbon County, WY, Laramie County, WY

The radar

The Cheyenne radar (KCYS), 93 km from the middle of the area, began a volume at 20:37 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.

The nearest sounding before it

Riverton, WY (KRIW), launched 12:00Z, 8.6 hours before the alert went out and 274 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 2018-04-01Temperature 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 2018-04-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 67 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
687 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
67 m²/s²
0-3 km storm-relative helicity
274 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

364 
WWUS75 KCYS 012038
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
238 PM MDT Sun Apr 1 2018

...STRONG WINDS RETURN TO SOUTHEAST WYOMING TONIGHT AND PERSIST
THROUGH TUESDAY MORNING...

WYZ110-116-021200-
/O.NEW.KCYS.HW.W.0025.180402T0900Z-180403T0600Z/
North Snowy Range Foothills-South Laramie Range-
Including the cities of Arlington, Elk Mountain, Buford, 
Pumpkin Vine, and Vedauwoo
238 PM MDT Sun Apr 1 2018

...HIGH WIND WARNING IN EFFECT FROM 3 AM MONDAY TO MIDNIGHT MDT
MONDAY NIGHT...

The National Weather Service in Cheyenne has issued a High Wind
Warning, which is in effect from 3 AM Monday to midnight MDT
Monday night. 

* TIMING...3AM Tonight through Midnight Monday Night

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

* IMPACTS...Mainly to transportation. Potentially dangerous 
  travel for light weight and high profile vehicles, including 
  light loaded semis and camping trailers. Strong cross winds 
  may result in an elevated risk for blow overs of these types 
  of vehicles. 

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.

&&

$$

WYZ104-105-109-111-115-117-021200-
/O.NEW.KCYS.HW.A.0024.180402T1500Z-180403T0600Z/
Ferris/Seminoe/Shirley Mountains-Shirley Basin-
Central Carbon County-Southwest Carbon County-Laramie Valley-
South Laramie Range Foothills-
Including the cities of Seminoe Dam, Medicine Bow, Shirley Basin,
Rawlins, Baggs, Bosler, Laramie, Whitaker, Federal, 
and Horse Creek
238 PM MDT Sun Apr 1 2018

...HIGH WIND WATCH IN EFFECT FROM MONDAY MORNING THROUGH MONDAY
EVENING...

The National Weather Service in Cheyenne has issued a High Wind
Watch, which is in effect from Monday morning through Monday
evening. 

* TIMING...9AM Monday through Midnight Monday night.

* WINDS...West to southwest winds of 45 to 45 mph sustained with
  gusts to 60 mph.

* IMPACTS...Mainly to transportation. Potentially dangerous 
  travel for light weight and high profile vehicles, including 
  light loaded semis and camping trailers. Strong cross winds 
  may result in an elevated risk for blow overs of these types 
  of vehicles. 

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.

&&

$$

WYZ106-113-021200-
/O.NEW.KCYS.HW.A.0024.180402T2100Z-180403T0600Z/
Central Laramie Range and Southwest Platte County-
Upper North Platte River Basin-
Including the cities of Bordeaux, Saratoga, and Encampment
238 PM MDT Sun Apr 1 2018

...HIGH WIND WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH MONDAY
EVENING...

The National Weather Service in Cheyenne has issued a High Wind
Watch, which is in effect from Monday afternoon through Monday
evening. 

* TIMING...3PM Monday through Midnight Monday night

* WINDS...West to southwest winds of 45 to 45 mph sustained with
  gusts to 60 mph.

* IMPACTS...Mainly to transportation. Potentially dangerous 
  travel for light weight and high profile vehicles, including 
  light loaded semis and camping trailers. Strong cross winds 
  may result in an elevated risk for blow overs of these types 
  of vehicles. 

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.

&&

$$

NEZ020-021-054-055-WYZ118-119-021200-
/O.NEW.KCYS.HW.A.0024.180403T0000Z-180403T1200Z/
Banner-Morrill-Kimball-Cheyenne-Central Laramie County-
East Laramie County-
Including the cities of Harrisburg, Angora, Bridgeport, Bayard, 
Redington, Kimball, Brownson, Sidney, Cheyenne, and Pine Bluffs
238 PM MDT Sun Apr 1 2018

...HIGH WIND WATCH IN EFFECT FROM MONDAY EVENING THROUGH LATE
MONDAY NIGHT...

The National Weather Service in Cheyenne has issued a High Wind
Watch, which is in effect from Monday evening through late Monday
night. 

* TIMING...6PM Monday through 6AM Tuesday

* WINDS...West to northwest winds of 45 to 45 mph sustained with 
  gusts to 60 mph.

* IMPACTS...Mainly to transportation. Potentially dangerous 
  travel for light weight and high profile vehicles, including 
  light loaded semis and camping trailers. Strong cross winds 
  may result in an elevated risk for blow overs of these types 
  of vehicles. 

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.

&&

$$
1 follow-up statement
109 
WWUS75 KCYS 021007
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
407 AM MDT Mon Apr 2 2018

...STRONG WINDS WILL DEVELOP OVER MUCH OF SOUTHEAST WYOMING TODAY
AND PERSIST THROUGH TUESDAY MORNING...

...STRONG WINDS WILL ALSO DEVELOP OVER THE SOUTHERN NEBRASKA
PANHANDLE TONIGHT...

WYZ110-116-022200-
/O.CAN.KCYS.HW.W.0025.000000T0000Z-180403T0600Z/
/O.NEW.KCYS.HW.W.0026.180402T1200Z-180403T0600Z/
North Snowy Range Foothills-South Laramie Range-
Including the cities of Arlington, Elk Mountain, Buford, 
Pumpkin Vine, and Vedauwoo
407 AM MDT Mon Apr 2 2018

...HIGH WIND WARNING IN EFFECT UNTIL MIDNIGHT MDT TONIGHT...

The National Weather Service in Cheyenne has issued a High Wind
Warning, which is in effect until midnight MDT tonight. 

* TIMING...Through Midnight Tonight

* WINDS...West to southwest winds of 40 to 50 mph sustained with 
  gusts to 65 mph. 

* IMPACTS...Mainly to transportation. Potentially dangerous 
  travel for light weight and high profile vehicles, including 
  light loaded semis and camping trailers. Strong cross winds 
  may result in an elevated risk for blow overs of these types 
  of vehicles. 

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.

&&

$$

WYZ111-021115-
/O.CAN.KCYS.HW.A.0024.180402T1500Z-180403T0600Z/
Southwest Carbon County-
Including the city of Baggs
407 AM MDT Mon Apr 2 2018

...HIGH WIND WATCH IS CANCELLED...

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

Gusty west winds at 30 to 40 mph with gusts to 50 mph will be
possible this afternoon and early this evening. 

$$

WYZ113-021115-
/O.CAN.KCYS.HW.A.0024.180402T2100Z-180403T0600Z/
Upper North Platte River Basin-
Including the cities of Saratoga and Encampment
407 AM MDT Mon Apr 2 2018

...HIGH WIND WATCH IS CANCELLED...

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

Gusty west winds at 30 to 40 mph with gusts to 50 mph will be
possible this afternoon and early this evening. 

$$

WYZ104-105-109-115-117-022200-
/O.UPG.KCYS.HW.A.0024.180402T1500Z-180403T0600Z/
/O.NEW.KCYS.HW.W.0026.180402T1500Z-180403T0600Z/
Ferris/Seminoe/Shirley Mountains-Shirley Basin-
Central Carbon County-Laramie Valley-
South Laramie Range Foothills-
Including the cities of Seminoe Dam, Medicine Bow, Shirley Basin,
Rawlins, Bosler, Laramie, Whitaker, Federal, and Horse Creek
407 AM MDT Mon Apr 2 2018

...HIGH WIND WARNING IN EFFECT FROM 9 AM THIS MORNING TO MIDNIGHT
MDT TONIGHT...

The National Weather Service in Cheyenne has issued a High Wind
Warning, which is in effect from 9 AM this morning to midnight
MDT tonight. The High Wind Watch is no longer in effect. 

* TIMING...9AM Today through Midnight Tonight.

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

* IMPACTS...Mainly to transportation. Potentially dangerous 
  travel for light weight and high profile vehicles, including 
  light loaded semis and camping trailers. Strong cross winds 
  may result in an elevated risk for blow overs of these types 
  of vehicles. 

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.

&&

$$

WYZ106-022200-
/O.UPG.KCYS.HW.A.0024.180402T2100Z-180403T0600Z/
/O.NEW.KCYS.HW.W.0026.180402T2100Z-180403T0300Z/
Central Laramie Range and Southwest Platte County-
Including the city of Bordeaux
407 AM MDT Mon Apr 2 2018

...HIGH WIND WARNING IN EFFECT FROM 3 PM THIS AFTERNOON TO 9 PM
MDT THIS EVENING...

The National Weather Service in Cheyenne has issued a High Wind
Warning, which is in effect from 3 PM this afternoon to 9 PM MDT
this evening. The High Wind Watch is no longer in effect. 

* TIMING...3PM Today through Midnight Tonight

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

* IMPACTS...Mainly to transportation. Potentially dangerous 
  travel for light weight and high profile vehicles, including 
  light loaded semis and camping trailers. Strong cross winds 
  may result in an elevated risk for blow overs of these types 
  of vehicles. 

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.

&&

$$

NEZ020-021-054-055-WYZ118-119-022200-
/O.UPG.KCYS.HW.A.0024.180403T0000Z-180403T1200Z/
/O.NEW.KCYS.HW.W.0026.180403T0000Z-180403T1200Z/
Banner-Morrill-Kimball-Cheyenne-Central Laramie County-
East Laramie County-
Including the cities of Harrisburg, Angora, Bridgeport, Bayard, 
Redington, Kimball, Brownson, Sidney, Cheyenne, and Pine Bluffs
407 AM MDT Mon Apr 2 2018

...HIGH WIND WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 AM MDT
TUESDAY...

The National Weather Service in Cheyenne has issued a High Wind
Warning, which is in effect from 6 PM this evening to 6 AM MDT
Tuesday. The High Wind Watch is no longer in effect. 

* TIMING...6PM Today through 6AM Tuesday

* WINDS...West to northwest winds of 35 to 45 mph sustained with 
  gusts to 60 mph. 

* IMPACTS...Mainly to transportation. Potentially dangerous 
  travel for light weight and high profile vehicles, including 
  light loaded semis and camping trailers. Strong cross winds 
  may result in an elevated risk for blow overs of these types 
  of vehicles. 

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.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 1, 2:38 PM MDTHigh Wind WatchCYSAlbany, Carbon, Laramie, Platte13 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.