Alert archive / Wyoming / High Wind Warnings in 2017

High Wind Warning 9, NWS Cheyenne, WY

February 15, 2017Albany County, Laramie County, Platte County, Wyoming

NWS Cheyenne, WY issued this high wind warning at Feb 15, 2017, 9:37 AM MST for Albany County, Laramie County, Platte County, Wyoming. It was in force for 8 hr. 8 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
Feb 15, 2017, 9:37 AM MST (16:37 UTC)
Expired
Feb 15, 2017, 6:00 PM MST
In force
8 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 16:40 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
Feb 15, 10:05 AM MSTHIGH SUST WINDS 51Bordeaux, WY42 MPH SUSTAINED
Feb 15, 10:05 AM MSTSLEET 51Bordeaux, WY42 MPH SUSTAINED
Feb 15, 11:05 AM MSTHIGH SUST WINDS 41Bordeaux, WYBORDEAUX WYDOT SITE. AVERAGE SUSTAINED WIND FOR PAST HOUR ENDING AT 1105 AM MST. PEAK SUSTAINED WIND 44 MPH AND PEAK GUST 55 MPH.
Feb 15, 11:35 AM MSTNON-TSTM WND GST 51Bordeaux, WY43 MPH SUSTAINED
Feb 15, 12:05 PM MSTNON-TSTM WND GST 54Bordeaux, WY41 MPH SUSTAINED
Feb 15, 12:10 PM MSTHIGH SUST WINDS 44Bordeaux, WYBORDEAUX WYDOT SITE. AVERAGE SUSTAINED WIND FOR PAST HOUR ENDING AT 1210 PM MST. PEAK SUSTAINED WIND 47 MPH AND PEAK GUST 57 MPH.
Feb 15, 1:35 PM MSTHIGH SUST WINDS 41Bordeaux, WYBORDEAUX WYDOT SITE. AVERAGE SUSTAINED WINDS FOR PAST HOUR ENDING AT 135 PM MST. PEAK SUSTAINED WIND DURING THIS TIME WAS 45 MPH AND THE PEAK GUST WAS 57 MPH.
Feb 15, 3:20 PM MSTHIGH SUST WINDS 40Bordeaux, WYBORDEAUX WYDOT SITE. AVERAGE SUSTAINED WIND FOR PAST HOUR ENDING AT 320 PM MST. PEAK SUSTAINED WIND DURING THIS TIME WAS 43 MPH AND THE PEAK GUST WAS 53 MPH.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Denver, CO (KDEN), launched 12:00Z, 4.6 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 12:00Z on 2017-02-15Temperature 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 12:00Z on 2017-02-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 128 square meters per square second.193958Sfc1 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
2070 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
128 m²/s²
0-3 km storm-relative helicity
126 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

344 
WWUS75 KCYS 151637
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
937 AM MST Wed Feb 15 2017

...Strong Winds Along Interstate 25 Between Chugwater and
Wheatland Today...

WYZ106-160100-
/O.NEW.KCYS.HW.W.0009.170215T1637Z-170216T0100Z/
Central Laramie Range and Southwest Platte County-
Including the city of Bordeaux
937 AM MST Wed Feb 15 2017

...HIGH WIND WARNING IN EFFECT UNTIL 6 PM MST THIS EVENING...

The National Weather Service in Cheyenne has issued a High Wind
Warning, which is in effect until 6 PM MST this evening. 

* TIMING...Winds will remain strong through early this evening. 

* WINDS...West 40 to 50 MPH with occasional gusts up to 60 MPH. 

* IMPACTS...Mainly to transportation. Travel will be hazardous for
  light weight and high profile vehicles, especially on north to
  south oriented roads. Strong cross winds will pose a threat for
  vehicle blow overs, mainly near Bordeaux along Interstate 25
  between Chugwater 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.

&&

$$

HAMMER
1 follow-up statement
982 
WWUS75 KCYS 160037
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
537 PM MST Wed Feb 15 2017


WYZ106-160145-
/O.EXP.KCYS.HW.W.0009.000000T0000Z-170216T0100Z/
Central Laramie Range and Southwest Platte County-
Including the city of Bordeaux
537 PM MST Wed Feb 15 2017

...HIGH WIND WARNING WILL EXPIRE AT 6 PM MST THIS EVENING...

Although it will remain windy along Interstate 25 between
Wheatland and Chugwater...wind gusts around 60 MPH are
no longer expected. Sustained winds between 30 to 40 mph with
occasional gusts to 50 MPH are possible. After a brief lull late 
tonight...winds may increase once again early Thursday morning. 

$$

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.