Alert archive / Wyoming / High Wind Warnings in 2017

High Wind Warning 29, NWS Cheyenne, WY

November 3, 2017Albany County, Carbon County, Wyoming

NWS Cheyenne, WY issued this high wind warning at Nov 3, 2017, 4:43 PM MDT for Albany County, Carbon County, Wyoming. It took effect at Nov 4, 2017, 12:00 AM MDT. It was in force for 14 hr. 4 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 3, 2017, 4:43 PM MDT (22:43 UTC)
In effect from
Nov 4, 2017, 12:00 AM MDT
Expired
Nov 4, 2017, 2:01 PM MDT
In force
14 hr
Issued by
NWS Cheyenne, WY

Counties Albany County, WY, Carbon County, WY

The radar

The Cheyenne radar (KCYS), 140 km from the middle of the area, began a volume at 22:46 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 4, 12:45 PM MDTNON-TSTM WND GST 5710 Ssw Hanna, WYDANA RIDGE WYDOT SITE ON I-80.
Nov 4, 12:55 PM MDTNON-TSTM WND GST 575 Nw Arlington, WYWAGONHOUND WYDOT SITE ON I-80. SUSTAINED NEAR 40 MPH FOR ONE HOUR.
Nov 4, 1:00 PM MDTNON-TSTM WND GST 573 Ese Elk Mountain, WYCOUNTY ROAD 402 WYDOT SITE ON I-80. SUSTAINED AT 40 MPH FOR ONE HOUR.
Nov 4, 1:05 PM MDTNON-TSTM WND GST 603 Nw I-80 Exit 255, WYHALLECK RIDGE WYDOT SITE ON I-80. SUSTAINED 41 MPH FOR OVER ONE HOUR.

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, 10.7 hours before the alert went out and 230 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 2017-11-03Temperature 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 2017-11-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 68 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
825 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
68 m²/s²
0-3 km storm-relative helicity
185 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

311 
WWUS75 KCYS 032243
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
443 PM MDT Fri Nov 3 2017

...HIGH WIND WARNING FOR THE ARLINGTON AREA ON INTERSTATE 80
THROUGH SATURDAY AFTERNOON...

WYZ110-041200-
/O.NEW.KCYS.HW.W.0029.171104T0600Z-171104T2100Z/
North Snowy Range Foothills-
Including the cities of Arlington and Elk Mountain
443 PM MDT Fri Nov 3 2017

...HIGH WIND WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 3 PM MDT
SATURDAY...

The National Weather Service in Cheyenne has issued a High Wind
Warning, which is in effect from midnight tonight to 3 PM MDT
Saturday. 

* TIMING...THROUGH 3 PM SATURDAY.

* WINDS...West at 35 to 40 mph sustained with gusts to 65 mph.

* IMPACTS...Extreme blowover risk for high profile and light
  weight vehicles. Exercise extreme caution if traveling through
  the Arlington area on Interstate 80 tonight and Saturday. 
 
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
126 
WWUS75 KCYS 040812
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
212 AM MDT Sat Nov 4 2017

...HIGH WIND WARNING FOR THE ARLINGTON AREA ON INTERSTATE
80 THROUGH SATURDAY AFTERNOON...

WYZ110-042100-
/O.CON.KCYS.HW.W.0029.000000T0000Z-171104T2100Z/
North Snowy Range Foothills-
Including the cities of Arlington and Elk Mountain
212 AM MDT Sat Nov 4 2017

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 3 PM MDT THIS
AFTERNOON...

* TIMING...THROUGH 3 PM SATURDAY.

* WINDS...West at 25 to 40 mph sustained with gusts up to 60 mph.

* IMPACTS...Blowover risk for high profile and light weight
  vehicles. Use caution if traveling through the Arlington area on
  Interstate 80 through this afternoon. 

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.

&&

$$
213 
WWUS75 KCYS 042001
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
201 PM MDT Sat Nov 4 2017

...Strong Winds Diminishing...

WYZ110-042115-
/O.CAN.KCYS.HW.W.0029.000000T0000Z-171104T2100Z/
North Snowy Range Foothills-
Including the cities of Arlington and Elk Mountain
201 PM MDT Sat Nov 4 2017

...HIGH WIND WARNING IS CANCELLED...

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

Winds will likely continue to gust to around 50 mph through mid
afternoon. Widespread wind gusts to 60 mph are no longer expected.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 2, 10:09 PM MDTDense Fog AdvisoryCYSAlbany, Laramie11 hr
Nov 3, 3:23 PM MDTWinter Storm WatchCYSAlbany, Carbon11 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.