Alert archive / Wyoming / High Wind Warnings in 2017

High Wind Warning 10, NWS Cheyenne, WY

February 16, 2017Albany County, Laramie County, Platte County, Wyoming

NWS Cheyenne, WY issued this high wind warning at Feb 16, 2017, 7:02 PM MST for Albany County, Laramie County, Platte County, Wyoming. It took effect at Feb 16, 2017, 8:00 PM MST. It was in force for 7 hr. 1 report 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 16, 2017, 7:02 PM MST (02:02 UTC)
In effect from
Feb 16, 2017, 8:00 PM MST
Expired
Feb 17, 2017, 3:20 AM MST
In force
7 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 02:05 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 16, 11:13 PM MSTNON-TSTM WND GST 6410 Wsw I-25 Exit 92, WYPEAK WIND GUSTS BETWEEN 59 AND 64 MPH FROM 1028 PM TO 1113 PM.

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 00:00Z, 2.0 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 2017-02-17Temperature 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 2017-02-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 59 square meters per square second.1939Sfc1 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
4608 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
59 m²/s²
0-3 km storm-relative helicity
83 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

345 
WWUS75 KCYS 170202
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
702 PM MST Thu Feb 16 2017

...High Wind Warning for the Bordeaux Area Tonight...


WYZ106-171200-
/O.NEW.KCYS.HW.W.0010.170217T0300Z-170217T1200Z/
Central Laramie Range and Southwest Platte County-
Including the city of Bordeaux
702 PM MST Thu Feb 16 2017

...HIGH WIND WARNING IN EFFECT UNTIL 5 AM MST FRIDAY...

The National Weather Service in Cheyenne has issued a High Wind
Warning, which is in effect until 5 AM MST Friday. 

* TIMING...Wind speeds will begin to increase by 9pm with strong
  winds persisting through daybreak. 


* WINDS...Sustained winds increasing to 40 to 50 mph with some 
gusts between 60 and 65 mph possible. 

* IMPACTS...Lightweight and high profile vehicles will be 
affected especially along I-25 between mile markers 55 and 75. 
Truck blow overs are very common with these high wind speeds. 

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.

&&

$$
1 follow-up statement
117 
WWUS75 KCYS 171020
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
320 AM MST Fri Feb 17 2017

WYZ106-171130-
/O.CAN.KCYS.HW.W.0010.000000T0000Z-170217T1200Z/
Central Laramie Range and Southwest Platte County-
Including the city of Bordeaux
320 AM MST Fri Feb 17 2017

...HIGH WIND WARNING IS CANCELLED...

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

West to northwest winds of 25 to 35 MPH with gusts to 40 MPH will
continue through early this morning. 

$$

HAMMER

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.