Alert archive / Wyoming / High Wind Warnings in 2017

High Wind Warning 31, NWS Cheyenne, WY

November 17, 2017Albany County, Laramie County, Platte County, Wyoming

NWS Cheyenne, WY issued this high wind warning at Nov 17, 2017, 12:15 AM MST for Albany County, Laramie County, Platte County, Wyoming. It took effect at Nov 17, 2017, 5:00 AM MST. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Nov 17, 2017, 12:15 AM MST (07:15 UTC)
In effect from
Nov 17, 2017, 5:00 AM MST
Expired
Nov 17, 2017, 9:20 AM MST
In force
4 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 07:21 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

Denver, CO (KDEN), launched 00:00Z, 7.3 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 00:00Z on 2017-11-17Temperature 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 00:00Z on 2017-11-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 74 square meters per square second.1939587897117136Sfc1 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
3795 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
74 m²/s²
0-3 km storm-relative helicity
204 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

175 
WWUS75 KCYS 170715
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
1215 AM MST Fri Nov 17 2017

...HIGH WIND WARNING FOR SOUTH LARAMIE RANGE AND INTERSTATE 25
CORRIDOR FROM CHEYENNE TO WHEATLAND THROUGH 2 PM THIS 
AFTERNOON...

WYZ116>118-171515-
/O.CAN.KCYS.HW.A.0024.171117T2100Z-171118T0600Z/
/O.NEW.KCYS.HW.W.0031.171117T1200Z-171117T2100Z/
South Laramie Range-South Laramie Range Foothills-
Central Laramie County-
Including the cities of Buford, Pumpkin Vine, Vedauwoo, Whitaker,
Federal, Horse Creek, and Cheyenne
1215 AM MST Fri Nov 17 2017

...HIGH WIND WARNING IN EFFECT FROM 5 AM EARLY THIS MORNING TO
2 PM MST THIS AFTERNOON...
...HIGH WIND WATCH IS CANCELLED...

The National Weather Service in Cheyenne has issued a High Wind
Warning, which is in effect from 5 AM early this morning to 2 PM
MST this afternoon. The High Wind Watch has been cancelled. 

* TIMING...Winds will increase rapidly behind a cold front this 
  morning. Winds are forecast to peak late this morning before 
  diminishing late in the afternoon.

* WINDS...Northwest winds of 25 to 40 mph with gusts to 60 mph
  likely. 

* IMPACTS...Mainly to transportation. Blowover risk for high 
  profile and light weight 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.

&&

$$

WYZ119-170815-
/O.CAN.KCYS.HW.A.0024.171117T2100Z-171118T0600Z/
East Laramie County-
Including the city of Pine Bluffs
1215 AM MST Fri Nov 17 2017

...HIGH WIND WATCH IS CANCELLED...

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

Winds are not expected to reach the Pine Bluffs area today.
Therefore...the High WInd Watch has been cancelled.

$$

WYZ106-171515-
/O.NEW.KCYS.HW.W.0031.171117T1200Z-171117T2100Z/
Central Laramie Range and Southwest Platte County-
Including the city of Bordeaux
1215 AM MST Fri Nov 17 2017

...HIGH WIND WARNING IN EFFECT FROM 5 AM EARLY THIS MORNING TO
2 PM MST THIS AFTERNOON...

The National Weather Service in Cheyenne has issued a High Wind
Warning, which is in effect from 5 AM early this morning to 2 PM
MST this afternoon. 

* TIMING...Winds will increase rapidly ahead of a cold front at
  Bordeaux this morning. Winds are forecast to peak late this 
  morning before diminishing late in the afternoon.

* WINDS...West winds of 25 to 40 mph with gusts to 60 mph likely.
  

* IMPACTS...Mainly to transportation. Blowover risk for high 
  profile and light weight 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.

&&

$$
2 follow-up statements
457 
WWUS75 KCYS 171421
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
721 AM MST Fri Nov 17 2017

...HIGH WIND WARNING FOR SOUTH LARAMIE RANGE AND INTERSTATE
25 CORRIDOR FROM CHEYENNE TO WHEATLAND THROUGH 2 PM THIS
AFTERNOON...

WYZ106-116>118-172100-
/O.CON.KCYS.HW.W.0031.000000T0000Z-171117T2100Z/
Central Laramie Range and Southwest Platte County-
South Laramie Range-South Laramie Range Foothills-
Central Laramie County-
Including the cities of Bordeaux, Buford, Pumpkin Vine, Vedauwoo,
Whitaker, Federal, Horse Creek, and Cheyenne
721 AM MST Fri Nov 17 2017

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 2 PM MST THIS
AFTERNOON...

* TIMING...Winds will increase rapidly behind a cold front this 
  morning. Winds are forecast to peak late this morning before 
  diminishing late in the afternoon. 

* WINDS...Northwest winds of 25 to 40 mph with gusts to 60 mph 
  likely. 

* IMPACTS...Mainly to transportation. Blowover risk for high 
  profile and light weight 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.

&&

$$
806 
WWUS75 KCYS 171620
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
920 AM MST Fri Nov 17 2017


WYZ106-116>118-171730-
/O.CAN.KCYS.HW.W.0031.000000T0000Z-171117T2100Z/
Central Laramie Range and Southwest Platte County-
South Laramie Range-South Laramie Range Foothills-
Central Laramie County-
Including the cities of Bordeaux, Buford, Pumpkin Vine, Vedauwoo,
Whitaker, Federal, Horse Creek, and Cheyenne
920 AM MST Fri Nov 17 2017

...HIGH WIND WARNING IS CANCELLED...

The National Weather Service in Cheyenne has cancelled the High
Wind Warning. Winds have become light and variable this morning as
a frontal boundary has stalled across southeast Wyoming. Although
winds will increase again this afternoon as the front eventually 
moves southeast, wind gusts are expected to remain below 55 mph 
through this evening. 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 17, 3:00 AM MSTWinter Weather AdvisoryCYSAlbany, Carbon, Laramie20 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.