Alert archive / Wyoming / High Wind Warnings in 2017

High Wind Warning 27, NWS Cheyenne, WY

October 24, 20174 counties in Wyoming

NWS Cheyenne, WY issued this high wind warning at Oct 24, 2017, 2:28 PM MDT for 4 counties in Wyoming. It took effect at Oct 25, 2017, 10:00 AM MDT. It was in force for 13 hr. 24 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
Oct 24, 2017, 2:28 PM MDT (20:28 UTC)
In effect from
Oct 25, 2017, 10:00 AM MDT
Expired
Oct 25, 2017, 11:28 PM MDT
In force
13 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 20:30 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
Oct 25, 2:30 PM MDTNON-TSTM WND GST 597 Ese Arlington, WYCOOPER COVE WYDOT SITE. SUSTAINED AT 41 MPH.
Oct 25, 2:44 PM MDTNON-TSTM WND GST 5311 Sse Garrett, WY29 MPH SUSTAINED
Oct 25, 2:55 PM MDTNON-TSTM WND GST 529 Wnw Elk Mountain, WY40 MPH SUSTAINED
Oct 25, 2:55 PM MDTNON-TSTM WND GST 52Bordeaux, WY33 MPH SUSTAINED
Oct 25, 2:55 PM MDTNON-TSTM WND GST 55Rock River, WY33 MPH SUSTAINED
Oct 25, 2:55 PM MDTNON-TSTM WND GST 567 Nw Elk Mountain, WY42 MPH SUSTAINED
Oct 25, 3:35 PM MDTNON-TSTM WND GST 52Elk Mountain, WY39 MPH SUSTAINED
Oct 25, 3:35 PM MDTNON-TSTM WND GST 597 Nw Elk Mountain, WYHALLECK RIDGE WYDOT SITE.
Oct 25, 3:43 PM MDTNON-TSTM WND GST 54Wheatland, WY27 MPH SUSTAINED
Oct 25, 3:44 PM MDTNON-TSTM WND GST 5711 Sse Garrett, WY33 MPH SUSTAINED
Oct 25, 3:50 PM MDTNON-TSTM WND GST 50Bordeaux, WY36 MPH SUSTAINED
Oct 25, 3:50 PM MDTNON-TSTM WND GST 577 Nw Elk Mountain, WY45 MPH SUSTAINED
Oct 25, 4:30 PM MDTNON-TSTM WND GST 607 Ese Arlington, WYCOOPER COVE WYDOT SITE. SUSTAINED AT 41 MPH.
Oct 25, 4:44 PM MDTNON-TSTM WND GST 567 Nne Hanna, WY29 MPH SUSTAINED
Oct 25, 5:10 PM MDTNON-TSTM WND GST 52Bordeaux, WY40 MPH SUSTAINED
Oct 25, 5:10 PM MDTNON-TSTM WND GST 537 Nw Elk Mountain, WY45 MPH SUSTAINED
Oct 25, 8:20 PM MDTNON-TSTM WND GST 60Bordeaux, WY32 MPH SUSTAINED
Oct 25, 8:21 PM MDTNON-TSTM WND GST 57Buford, WY44 MPH SUSTAINED
Oct 25, 8:41 PM MDTNON-TSTM WND GST 58Buford, WYSUSTAINED 43 MPH.
Oct 25, 8:46 PM MDTNON-TSTM WND GST 582 W Buford, WY
Oct 25, 8:50 PM MDTNON-TSTM WND GST 612 Ne Granite Springs Re, WYWILDCAT TRAIL WYDOT SITE. SUSTAINED AT 40 MPH.
Oct 25, 8:56 PM MDTNON-TSTM WND GST 581 Ese Buford, WYSUSTAINED 44 MPH.
Oct 25, 9:01 PM MDTNON-TSTM WND GST 5123 W Cheyenne, WY43 MPH SUSTAINED
Oct 25, 9:01 PM MDTNON-TSTM WND GST 58Buford, WY42 MPH SUSTAINED

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, 8.5 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 2017-10-24Temperature 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 2017-10-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 363 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
1996 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
363 m²/s²
0-3 km storm-relative helicity
306 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

985 
WWUS75 KCYS 242028
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
228 PM MDT Tue Oct 24 2017

...High Wind Warning and High Wind Watches are in effect for the 
Wind Prone Areas of Southeast Wyoming on Wednesday...

WYZ106-110-250430-
/O.UPG.KCYS.HW.A.0021.171025T1600Z-171026T0300Z/
/O.NEW.KCYS.HW.W.0027.171025T1600Z-171026T0600Z/
Central Laramie Range and Southwest Platte County-
North Snowy Range Foothills-
Including the cities of Bordeaux, Arlington, and Elk Mountain
228 PM MDT Tue Oct 24 2017

...HIGH WIND WARNING IN EFFECT FROM 10 AM WEDNESDAY TO MIDNIGHT
MDT WEDNESDAY NIGHT...

The National Weather Service in Cheyenne has issued a High Wind
Warning, which is in effect from 10 AM Wednesday to midnight MDT
Wednesday night. The High Wind Watch is no longer in effect. 

* TIMING...9AM Wednesday Through 9PM Wednesday

* WINDS...West to southwest winds increasing through the morning 
  with gusts of 60 to 65 MPH possible. 

* IMPACTS...Mainly to transportation. Risk for blow off or
  blowovers to light weight and/or high profile vehicles high
  along portions of Interstate 80 between Laramie and Rawlins and
  I-25 between Cheyenne and Wheatland.  

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.

&&

$$

WYZ116-117-250430-
/O.EXT.KCYS.HW.A.0021.171025T1600Z-171026T0600Z/
South Laramie Range-South Laramie Range Foothills-
Including the cities of Buford, Pumpkin Vine, Vedauwoo, Whitaker,
Federal, and Horse Creek
228 PM MDT Tue Oct 24 2017

...HIGH WIND WATCH NOW IN EFFECT FROM WEDNESDAY MORNING THROUGH
WEDNESDAY EVENING...

* TIMING...9AM Wednesday Through 9PM Wednesday

* WINDS...West to southwest winds increasing through the morning 
  with gusts of 60 to 65 MPH possible. 

* IMPACTS...Mainly to transportation. Risk for blow off or
  blowovers to light weight and/or high profile vehicles high
  along portions of Interstate 80 between Cheyenne and Laramie.
  

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.

&&

$$
5 follow-up statements
424 
WWUS75 KCYS 242110
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
310 PM MDT Tue Oct 24 2017

...High Wind Warning and High Wind Watches are in effect for the
Wind Prone Areas of Southeast Wyoming on Wednesday...

WYZ106-110-251100-
/O.CON.KCYS.HW.W.0027.171025T1600Z-171026T0600Z/
Central Laramie Range and Southwest Platte County-
North Snowy Range Foothills-
Including the cities of Bordeaux, Arlington, and Elk Mountain
310 PM MDT Tue Oct 24 2017

...HIGH WIND WARNING REMAINS IN EFFECT FROM 10 AM WEDNESDAY TO
MIDNIGHT MDT WEDNESDAY NIGHT...

* TIMING...10AM Wednesday Through Midnight Wednesday Night

* WINDS...West to southwest winds increasing through the morning 
  with gusts of 60 to 65 MPH possible. 

* IMPACTS...Mainly to transportation. Risk for blow off or 
  blowovers to light weight and/or high profile vehicles high 
  along portions of Interstate 80 between Laramie and Rawlins 
  and I-25 between Cheyenne and Wheatland. 

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.

&&

$$

WYZ116-117-251100-
/O.CON.KCYS.HW.A.0021.171025T1600Z-171026T0600Z/
South Laramie Range-South Laramie Range Foothills-
Including the cities of Buford, Pumpkin Vine, Vedauwoo, Whitaker,
Federal, and Horse Creek
310 PM MDT Tue Oct 24 2017

...HIGH WIND WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING
THROUGH WEDNESDAY EVENING...

* TIMING...10AM Wednesday Through Midnight Wednesday Night

* WINDS...West to southwest winds increasing through the morning 
  with gusts of 60 to 65 MPH possible. 

* IMPACTS...Mainly to transportation. Risk for blow off or 
  blowovers to light weight and/or high profile vehicles high 
  along portions of Interstate 80 between Cheyenne and Laramie. 

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.

&&

$$
191 
WWUS75 KCYS 250302
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
902 PM MDT Tue Oct 24 2017

...High Wind Warnings In Effect for the Wind Corridors of Southeast
Wyoming Wednesday...

WYZ116-117-251200-
/O.UPG.KCYS.HW.A.0021.171025T1600Z-171026T0600Z/
/O.EXB.KCYS.HW.W.0027.171025T2200Z-171026T0600Z/
South Laramie Range-South Laramie Range Foothills-
Including the cities of Buford, Pumpkin Vine, Vedauwoo, Whitaker,
Federal, and Horse Creek
902 PM MDT Tue Oct 24 2017

...HIGH WIND WARNING IN EFFECT FROM 4 PM WEDNESDAY TO MIDNIGHT
MDT WEDNESDAY NIGHT...

The National Weather Service in Cheyenne has issued a High Wind
Warning, which is in effect from 4 PM Wednesday to Midnight MDT
Wednesday night. The High Wind Watch is no longer in effect. 

* TIMING...Winds will become strong and gusty by late Wednesday
  afternoon and continue through late Wednesday evening.

* WINDS...Sustained west to southwest winds increasing to 25 to 35
  mph with gusts to 60 mph. 

* IMPACTS...Mainly to transportation. Risk for blowovers to light
  weight and high profile vehicles will be high along Interstate 
  80 between Cheyenne 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.

&&

$$

WYZ106-110-251200-
/O.CON.KCYS.HW.W.0027.171025T1600Z-171026T0600Z/
Central Laramie Range and Southwest Platte County-
North Snowy Range Foothills-
Including the cities of Bordeaux, Arlington, and Elk Mountain
902 PM MDT Tue Oct 24 2017

...HIGH WIND WARNING REMAINS IN EFFECT FROM 10 AM WEDNESDAY TO
MIDNIGHT MDT WEDNESDAY NIGHT...

* TIMING...Winds will become strong and gusty late Wednesday 
  morning and continue through late Wednesday evening.

* WINDS...Sustained west to southwest winds increasing to 30 to 40
  mph with gusts to 65 mph.

* IMPACTS...Mainly to transportation. Risk for blowovers to light
  weight and high profile vehicles will be high along Interstate
  80 between Laramie and Rawlins and Interstate 25 between  
  Cheyenne and Wheatland.

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.

&&

$$
272 
WWUS75 KCYS 251207
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
607 AM MDT Wed Oct 25 2017

...High Wind Warnings In Effect for the Wind Corridors of
Southeast Wyoming Wednesday...

WYZ106-110-260000-
/O.CON.KCYS.HW.W.0027.171025T1600Z-171026T0600Z/
Central Laramie Range and Southwest Platte County-
North Snowy Range Foothills-
Including the cities of Bordeaux, Arlington, and Elk Mountain
607 AM MDT Wed Oct 25 2017

...HIGH WIND WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO
MIDNIGHT MDT TONIGHT...

* TIMING...Winds will become strong and gusty late this morning
  and continue through late this evening. 

* WINDS...Sustained west to southwest winds increasing to 30 to 
  40 mph with gusts to 65 mph. 

* IMPACTS...Mainly to transportation. Risk for blowovers to 
  light weight and high profile vehicles will be high along 
  Interstate 80 between Laramie and Rawlins and Interstate 25 
  between Cheyenne and Wheatland. 

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.

&&

$$

WYZ116-117-260000-
/O.CON.KCYS.HW.W.0027.171025T2200Z-171026T0600Z/
South Laramie Range-South Laramie Range Foothills-
Including the cities of Buford, Pumpkin Vine, Vedauwoo, Whitaker,
Federal, and Horse Creek
607 AM MDT Wed Oct 25 2017

...HIGH WIND WARNING REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON
TO MIDNIGHT MDT TONIGHT...

* TIMING...Winds will become strong and gusty by late this
  afternoon and continue through late this evening. 

* WINDS...Sustained west to southwest winds increasing to 25 to 
  35 mph with gusts to 60 mph. 

* IMPACTS...Mainly to transportation. Risk for blowovers to 
  light weight and high profile vehicles will be high along 
  Interstate 80 between Cheyenne 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.

&&

$$
378 
WWUS75 KCYS 251945
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
145 PM MDT Wed Oct 25 2017

...High Wind Warning Continues for the Wind Corridors of 
Southeast Wyoming Through Late Tonight... 

WYZ106-110-260600-
/O.CON.KCYS.HW.W.0027.000000T0000Z-171026T0600Z/
Central Laramie Range and Southwest Platte County-
North Snowy Range Foothills-
Including the cities of Bordeaux, Arlington, and Elk Mountain
145 PM MDT Wed Oct 25 2017

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

* TIMING...Periods of strong winds will continue through this
  evening. The strongest winds are expected between 6 PM and 10 PM
  MDT this evening.  

* WINDS...West to southwest 35 to 45 MPH with gusts around 60 MPH.
 
* IMPACTS...Mainly to transportation. Dangerous cross winds will
  create an enhanced risk for vehicle blow overs along sections of
  Interstates 80 and 25, including Arlington and Bordeaux. 

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.

&&

$$

WYZ116-117-260600-
/O.CON.KCYS.HW.W.0027.171025T2200Z-171026T0600Z/
South Laramie Range-South Laramie Range Foothills-
Including the cities of Buford, Pumpkin Vine, Vedauwoo, Whitaker,
Federal, and Horse Creek
145 PM MDT Wed Oct 25 2017

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

* TIMING...Periods of strong winds will continue through this
  evening. The strongest winds are expected between 6 PM and 10 PM
  MDT this evening.  

* WINDS...West to southwest 35 to 45 MPH with gusts around 60 MPH.
 
* IMPACTS...Mainly to transportation. Dangerous cross winds will
  create an enhanced risk for vehicle blow overs along Interstate
  80 between Laramie and Cheyenne. 

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.

&&

$$
297 
WWUS75 KCYS 260528
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
1128 PM MDT Wed Oct 25 2017

WYZ106-110-116-117-260630-
/O.CAN.KCYS.HW.W.0027.000000T0000Z-171026T0600Z/
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
1128 PM MDT Wed Oct 25 2017

...HIGH WIND WARNING IS CANCELLED...

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

Winds have diminished over the wind-prone areas of southeast
Wyoming late this evening and high winds are no longer expected.
Some gusts around 45 mph are still possible through midnight mainly
along Interstate 80 near the summit.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 24, 1:12 AM MDTHigh Wind WatchCYSAlbany, Carbon, Laramie, Platte20 hr
Oct 24, 1:21 AM MDTFire Weather WatchCYS24 hr
Oct 24, 2:40 PM MDTRed Flag WarningCYS28 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.