Alert archive / Wyoming / High Wind Warnings in 2017

High Wind Warning 34, NWS Cheyenne, WY

November 23, 20175 counties in Wyoming

NWS Cheyenne, WY issued this high wind warning at Nov 23, 2017, 2:39 AM MST for 5 counties in Wyoming. It took effect at Nov 23, 2017, 12:21 PM MST. It was in force for 23 hr. 31 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 23, 2017, 2:39 AM MST (09:39 UTC)
In effect from
Nov 23, 2017, 12:21 PM MST
Expired
Nov 24, 2017, 11:04 AM MST
In force
23 hr
Issued by
NWS Cheyenne, WY

Counties Albany County, WY, Carbon County, WY, Converse County, WY, Laramie County, WY, Platte County, WY

The radar

The Cheyenne radar (KCYS), 109 km from the middle of the area, began a volume at 09:40 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
Nov 23, 2:50 PM MSTNON-TSTM WND GST 537 Nw Elk Mountain, WYTHIS IS WYDOT SITE HALLECK RIDGE. SUSTAINED WIND 45 MPH.
Nov 23, 2:55 PM MSTNON-TSTM WND GST 566 Wnw Buford, WYTHIS IS WYDOT SITE VEDAWOO. SUSTAINED WIND 46 MPH.
Nov 23, 2:55 PM MSTNON-TSTM WND GST 605 E Tie Siding, WYTHIS IS UPR351 THE DALWS. SUSTAINED WIND 44 MPH.
Nov 23, 3:50 PM MSTNON-TSTM WND GST 538 S Chugwater, WYTHIS IS WYDOT SITE BEAR CREEK. SUSTAINED WIND 46 MPH.
Nov 23, 3:50 PM MSTNON-TSTM WND GST 562 W Buford, WYTHIS IS WYDOT SITE LONE TREE. SUSTAINED WIND 41 MPH.
Nov 23, 4:10 PM MSTNON-TSTM WND GST 549 S Wheatland, WYTHIS IS WYDOT SITE BORDEAUX. SUSTAINED WIND 44 MPH.
Nov 23, 4:15 PM MSTNON-TSTM WND GST 62S Wheatland, WYTHIS IS WYDOT SITE BORDDEAUX. SUSTAINED WIND 51 MPH.
Nov 23, 4:30 PM MSTNON-TSTM WND GST 5813 Wnw Laramie, WYTHIS IS WYDOT SITE HERICK LANE. SUSTAINED WIND 41 MPH.
Nov 23, 4:30 PM MSTNON-TSTM WND GST 629 S Wheatland, WYTHIS IS WYDOT SITE BORDEAUX. SUSTAINED WIND 43 MPH.
Nov 23, 4:30 PM MSTNON-TSTM WND GST 671 Wnw Seminoe Dam, WYTHIS IS WEATHER STATION AT SEMINOE DAM. SUSTANED WIMD 53 MPH.
Nov 23, 4:40 PM MSTNON-TSTM WND GST 577 Ese Arlington, WYTHIS IS WYDOT SITE COOPER COVE. SUSTAINED WIND 44 MPH.
Nov 23, 4:45 PM MSTNON-TSTM WND GST 6215 Nne Centennial, WYTHIS IS WYDOT SITE STROUSS HILL.
Nov 23, 4:55 PM MSTNON-TSTM WND GST 607 Ese Arlington, WYTHIS IS WYDOT SITE COOPER COVE. SUSTAINED WIND 41 MPH.
Nov 23, 4:55 PM MSTNON-TSTM WND GST 639 S Wheatland, WYTHIS IS WYDOT SITE BORDEAUX. SUSTAINED WIND 45 MPH.
Nov 23, 5:35 PM MSTNON-TSTM WND GST 6813 Nnw Laramie, WYTHIS IS WYDOT SITE HERRICK LANE.
Nov 23, 6:00 PM MSTNON-TSTM WND GST 629 S Wheatland, WYTHIS IS WYDOT SITE BORDDEAUX.
Nov 23, 6:50 PM MSTNON-TSTM WND GST 674 W Muddy Gap, WYSUSTAINED WINDS 39 MPH.
Nov 23, 7:25 PM MSTNON-TSTM WND GST 551 Ese Buford, WYTHIS IS WYDOT SITE BUFORD EAST. SUSTAINED WIND 43 MPH.
Nov 23, 7:25 PM MSTNON-TSTM WND GST 5813 Wnw Laramie, WYTHIS IS WYDOT SITE HERRICK LANE. SUSTAINED WIND 44 MPH.
Nov 23, 7:50 PM MSTNON-TSTM WND GST 654 Wsw Muddy Gap, WY
Nov 23, 8:05 PM MSTNON-TSTM WND GST 588 S Chugwater, WYTHIS IS WYDOT SITE BEAR CREEK. SUSTAINED WIND 44 MPH.
Nov 23, 8:30 PM MSTNON-TSTM WND GST 551 Ese Buford, WYTHIS IS WYDOT SITE BUFORD EAST. SUSTAINED WIND 42 MPH.
Nov 23, 8:30 PM MSTNON-TSTM WND GST 588 S Chugwater, WYTHIS IS WYDOT BEAR CREEK. SUSTAINED WIND 46 MPH.
Nov 23, 8:30 PM MSTNON-TSTM WND GST 822 W Seminoe Dam, WYTHIS IS WEATHER STATION AT SENINOE DAM.
Nov 23, 8:50 PM MSTHIGH SUST WINDS 417 Nw Elk Mountain, WYTHIS IS WYDOT SITE HALLECK RIDGE.
Nov 23, 8:50 PM MSTHIGH SUST WINDS 431 Ese Buford, WYTHIS IS WYDOT SITE BUFORD EAST.
Nov 23, 8:50 PM MSTHIGH SUST WINDS 448 S Chugwater, WYTHIS IS WYDOT SITE BEAR CREEK.
Nov 23, 8:50 PM MSTNON-TSTM WND GST 684 W Muddy Gap, WY
Nov 23, 9:20 PM MSTNON-TSTM WND GST 627 Ne Buford, WYTHIS IS WYDOT SITE WILDCAT TRAIL. SUSTAINED WIND 40 MPH.
Nov 23, 9:30 PM MSTNON-TSTM WND GST 811 Wnw Seminoe Dam, WYTHIS IS WEATHER STATION AT SEMINOE DAM
Nov 23, 9:55 PM MSTNON-TSTM WND GST 659 S Wheatland, WYTHIS IS WYDOT SITE BORDEAUX. SUSTAINED WIND 42 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, 9.7 hours before the alert went out and 264 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 2017-11-23Temperature 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 2017-11-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 164 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
2063 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
164 m²/s²
0-3 km storm-relative helicity
149 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

113 
WWUS75 KCYS 230939
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
239 AM MST Thu Nov 23 2017

...Strong Winds Likely in the Wind Prone Areas of Southeast
Wyoming Tonight Through Early Friday... 

...Potential for High Winds to Spread into the Interstate 25
Corridor Between Casper and the Colorado State Line on Friday
Morning... 

WYZ106-110-116-117-240000-
/O.UPG.KCYS.HW.A.0028.171124T0200Z-171124T1900Z/
/O.NEW.KCYS.HW.W.0034.171124T0000Z-171124T1900Z/
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
239 AM MST Thu Nov 23 2017

...HIGH WIND WARNING IN EFFECT FROM 5 PM THIS AFTERNOON TO NOON
MST FRIDAY...

The National Weather Service in Cheyenne has issued a High Wind
Warning, which is in effect from 5 PM this afternoon to noon MST
Friday. The High Wind Watch is no longer in effect. 

* TIMING...5 PM this evening through 12 PM MST Friday. 

* WINDS...West 35 to 45 MPH with gusts up to 70 MPH. 

* IMPACTS...Mainly to transportation. There will be a significant
  blow over risk to light weight and high profile vehicles,
  especially on north-to-south oriented sections of roads. The
  strongest winds are expected along Interstate 25 between
  Wheatland and the Colorado state line, along Interstate 80
  between Laramie and Cheyenne, and near Arlington along
  Interstate 80 between Rawlins and Laramie. 

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.

&&

$$

WYZ101-107-115-118-240000-
/O.NEW.KCYS.HW.A.0029.171124T0900Z-171124T1900Z/
Converse County Lower Elevations-East Platte County-
Laramie Valley-Central Laramie County-
Including the cities of Bill, Douglas, Deer Creek, Glenrock, 
Wheatland, Guernsey, Bosler, Laramie, and Cheyenne
239 AM MST Thu Nov 23 2017

...HIGH WIND WATCH IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY
MORNING...

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

* TIMING...Friday morning. 

* WINDS...West 35 to 45 MPH with gusts up to 60 MPH. 

* IMPACTS...Mainly to transportation. There will be a significant
  blow over risk for light weight and high profile vehicles along
  Interstate 25 in southeast Wyoming. 

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.

&&

$$

HAMMER
4 follow-up statements
799 
WWUS75 KCYS 231921
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
1221 PM MST Thu Nov 23 2017

...Strong Winds Likely in the Wind Prone Areas of Southeast
Wyoming Through Early Friday...

...High Winds Spreading onto the Interstate 25 Corridor Between 
Casper and the Colorado State Line early Friday Morning...

WYZ101-107-115-118-241200-
/O.UPG.KCYS.HW.A.0029.171124T0900Z-171124T1900Z/
/O.EXB.KCYS.HW.W.0034.171124T0900Z-171124T1900Z/
Converse County Lower Elevations-East Platte County-
Laramie Valley-Central Laramie County-
Including the cities of Bill, Douglas, Deer Creek, Glenrock, 
Wheatland, Guernsey, Bosler, Laramie, and Cheyenne
1221 PM MST Thu Nov 23 2017

...HIGH WIND WARNING IN EFFECT FROM 2 AM TO NOON MST FRIDAY...

The National Weather Service in Cheyenne has issued a High Wind
Warning, which is in effect from 2 AM to noon MST Friday. The
High Wind Watch is no longer in effect. 

* TIMING...2 am Friday morning until noon Friday.

* WINDS...West 35 to 45 MPH with gusts up to 60 MPH.

* IMPACTS...Mainly to transportation. There will be a 
  significant blow over risk for light weight and high profile 
  vehicles along Interstates 25 and 80 in southeast Wyoming. 

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.

&&

$$

WYZ106-110-116-117-241200-
/O.EXT.KCYS.HW.W.0034.171123T1921Z-171124T1900Z/
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
1221 PM MST Thu Nov 23 2017

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

* TIMING...Through noon MST Friday.

* WINDS...West 35 to 45 MPH with gusts up to 70 MPH.

* IMPACTS...Mainly to transportation. There will be a 
  significant blow over risk to light weight and high profile 
  vehicles, especially on north-to-south oriented sections of 
  roads. The strongest winds are expected along Interstate 25 
  between Wheatland and the Colorado state line, along 
  Interstate 80 between Laramie and Cheyenne, and near Arlington 
  along Interstate 80 between Rawlins and Laramie. 

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
510 
WWUS75 KCYS 240114
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
614 PM MST Thu Nov 23 2017

...Strong Winds Likely in the Wind Prone Areas and west of Laramie
Range of Southeast Wyoming Through Early Friday...

...High Winds Spreading onto the Interstate 25 Corridor Between
Casper and the Colorado State Line early Friday Morning...

WYZ104-105-241200-
/O.EXA.KCYS.HW.W.0034.000000T0000Z-171124T1900Z/
Ferris/Seminoe/Shirley Mountains-Shirley Basin-
Including the cities of Seminoe Dam, Medicine Bow, 
and Shirley Basin
614 PM MST Thu Nov 23 2017

...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. 

* TIMING...Through noon MST Friday.

* WINDS...West 35 to 45 MPH with gusts up to 70 MPH.

* IMPACTS...Mainly to transportation. There will be a significant
  blow over risk to light weight and high profile vehicles,
  especially on north-to-south oriented sections of roads.  

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.

&&

$$

WYZ115-241200-
/O.EXT.KCYS.HW.W.0034.171124T0114Z-171124T1900Z/
Laramie Valley-
Including the cities of Bosler and Laramie
614 PM MST Thu Nov 23 2017

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

* TIMING...Through noon Friday.

* WINDS...West 35 to 45 MPH with gusts up to 60 MPH.

* IMPACTS...Mainly to transportation. There will be a 
  significant blow over risk for light weight and high profile 
  vehicles along Interstates 25 and 80 in southeast Wyoming. 

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.

&&

$$

WYZ106-110-116-117-241200-
/O.CON.KCYS.HW.W.0034.000000T0000Z-171124T1900Z/
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
614 PM MST Thu Nov 23 2017

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

* TIMING...Through noon MST Friday.

* WINDS...West 35 to 45 MPH with gusts up to 70 MPH.

* IMPACTS...Mainly to transportation. There will be a 
  significant blow over risk to light weight and high profile 
  vehicles, especially on north-to-south oriented sections of 
  roads. The strongest winds are expected along Interstate 25 
  between Wheatland and the Colorado state line, along 
  Interstate 80 between Laramie and Cheyenne, and near Arlington 
  along Interstate 80 between Rawlins and Laramie. 

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.

&&

$$

WYZ101-107-118-241200-
/O.CON.KCYS.HW.W.0034.171124T0900Z-171124T1900Z/
Converse County Lower Elevations-East Platte County-
Central Laramie County-
Including the cities of Bill, Douglas, Deer Creek, Glenrock, 
Wheatland, Guernsey, and Cheyenne
614 PM MST Thu Nov 23 2017

...HIGH WIND WARNING REMAINS IN EFFECT FROM 2 AM TO NOON MST
FRIDAY...

* TIMING...2 am Friday morning until noon Friday.

* WINDS...West 35 to 45 MPH with gusts up to 60 MPH.

* IMPACTS...Mainly to transportation. There will be a 
  significant blow over risk for light weight and high profile 
  vehicles along Interstates 25 and 80 in southeast Wyoming. 

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.

&&

$$
649 
WWUS75 KCYS 241334
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
634 AM MST Fri Nov 24 2017

...Periods of Strong Winds Remain Possible This Morning... 

WYZ101-104>107-110-115>118-241900-
/O.CON.KCYS.HW.W.0034.000000T0000Z-171124T1900Z/
Converse County Lower Elevations-Ferris/Seminoe/Shirley Mountains-
Shirley Basin-Central Laramie Range and Southwest Platte County-
East Platte County-North Snowy Range Foothills-Laramie Valley-
South Laramie Range-South Laramie Range Foothills-
Central Laramie County-
Including the cities of Bill, Douglas, Deer Creek, Glenrock, 
Seminoe Dam, Medicine Bow, Shirley Basin, Bordeaux, Wheatland, 
Guernsey, Arlington, Elk Mountain, Bosler, Laramie, Buford, 
Pumpkin Vine, Vedauwoo, Whitaker, Federal, Horse Creek, 
and Cheyenne
634 AM MST Fri Nov 24 2017

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

* TIMING...Until Noon MST today. 

* WINDS...West 35 to 45 MPH with occasional gusts up to 60 MPH. 

* IMPACTS...Mainly to transportation. There will be a blow over 
  risk to light weight and high profile vehicles, especially on 
  north-to-south oriented sections of roads. 

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.

&&

$$

CLH
750 
WWUS75 KCYS 241804
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
1104 AM MST Fri Nov 24 2017

...High Wind Warning Cancelled...

WYZ101-104>107-110-115>118-241915-
/O.CAN.KCYS.HW.W.0034.000000T0000Z-171124T1900Z/
Converse County Lower Elevations-Ferris/Seminoe/Shirley Mountains-
Shirley Basin-Central Laramie Range and Southwest Platte County-
East Platte County-North Snowy Range Foothills-Laramie Valley-
South Laramie Range-South Laramie Range Foothills-
Central Laramie County-
Including the cities of Bill, Douglas, Deer Creek, Glenrock, 
Seminoe Dam, Medicine Bow, Shirley Basin, Bordeaux, Wheatland, 
Guernsey, Arlington, Elk Mountain, Bosler, Laramie, Buford, 
Pumpkin Vine, Vedauwoo, Whitaker, Federal, Horse Creek, 
and Cheyenne
1104 AM MST Fri Nov 24 2017

...HIGH WIND WARNING IS CANCELLED...

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

$$

Rubin

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 23, 2:39 AM MSTHigh Wind WatchCYSAlbany, Converse, Laramie, Platte10 hr

Nearby

High Wind Warnings in Wyoming, 2017Every high wind warning in 2017

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.