Alert archive / Wyoming / High Wind Warnings in 2018

High Wind Warning 9, NWS Cheyenne, WY

January 25, 2018Albany County, Laramie County, Platte County, Wyoming

NWS Cheyenne, WY issued this high wind warning at Jan 25, 2018, 5:17 PM MST for Albany County, Laramie County, Platte County, Wyoming. It took effect at Jan 26, 2018, 12:00 AM MST. It was in force for 8 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
Jan 25, 2018, 5:17 PM MST (00:17 UTC)
In effect from
Jan 26, 2018, 12:00 AM MST
Expired
Jan 26, 2018, 7:49 AM 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 00:15 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, 0.3 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 2018-01-26Temperature 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 2018-01-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 138 square meters per square second.19395878Sfc1 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
4562 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
138 m²/s²
0-3 km storm-relative helicity
149 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

292 
WWUS75 KCYS 260017
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
517 PM MST Thu Jan 25 2018

...High winds expected on Interstate 25 near Bordeaux late 
tonight through Friday morning...

...Strong winds have diminished below dangerous levels for areas
west of Laramie this evening...


WYZ104-110-260130-
/O.CAN.KCYS.HW.W.0007.000000T0000Z-180126T0100Z/
Ferris/Seminoe/Shirley Mountains-North Snowy Range Foothills-
Including the cities of Seminoe Dam, Arlington, and Elk Mountain
517 PM MST Thu Jan 25 2018

...HIGH WIND WARNING IS CANCELLED...

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

Winds have diminished below dangerous levels, but are still
gusting up to near 40 mph at times. 

$$

WYZ106-260830-
/O.UPG.KCYS.HW.A.0007.180126T0700Z-180126T1800Z/
/O.NEW.KCYS.HW.W.0009.180126T0700Z-180126T1800Z/
Central Laramie Range and Southwest Platte County-
Including the city of Bordeaux
517 PM MST Thu Jan 25 2018

...HIGH WIND WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 11 AM MST
FRIDAY...

The National Weather Service in Cheyenne has issued a High Wind
Warning, which is in effect from midnight tonight to 11 AM MST
Friday. The High Wind Watch is no longer in effect and has been
upgraded and replaced by the High Wind Warning.


* TIMING...Midnight Tonight Through 11 AM Friday

* WINDS...West at 35 to 45 mph sustained with gusts to 60 mph
  expected. 

* IMPACTS...Mainly to transportation. Hazardous travel for light 
  weight and high profile vehicles, especially on west to east 
  oriented sections of roadway. Light load semis and those 
  towing camper trailers may encounter increased blowoff or 
  blowover risks on Interstate 25 near 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.

&&

$$
2 follow-up statements
660 
WWUS75 KCYS 260821
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
121 AM MST Fri Jan 26 2018

...High winds expected on Interstate 25 near Bordeaux through 
late morning today...

...Strong winds expected to return to the Arlington area tonight
into Saturday morning...

WYZ106-261800-
/O.CON.KCYS.HW.W.0009.000000T0000Z-180126T1800Z/
Central Laramie Range and Southwest Platte County-
Including the city of Bordeaux
121 AM MST Fri Jan 26 2018

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS
MORNING...

* TIMING...Through 11 AM Friday

* WINDS...West at 35 to 45 mph sustained with gusts to 60 mph 
  expected. 

* IMPACTS...Mainly to transportation. Hazardous travel for light 
  weight and high profile vehicles, especially on west to east 
  oriented sections of roadway. Light load semis and those 
  towing camper trailers may encounter increased blowoff or 
  blowover risks on Interstate 25 near 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.

&&

$$

WYZ110-270000-
/O.NEW.KCYS.HW.A.0008.180127T0300Z-180127T1800Z/
North Snowy Range Foothills-
Including the cities of Arlington and Elk Mountain
121 AM MST Fri Jan 26 2018

...HIGH WIND WATCH IN EFFECT FROM THIS EVENING THROUGH SATURDAY
MORNING...

The National Weather Service in Cheyenne has issued a High Wind
Watch, which is in effect from this evening through Saturday
morning. 

* TIMING...8PM this evening through 11AM Saturday

* WINDS...West to southwest at 35 to 40 mph sustained with gusts
  to 60 mph possible

* IMPACTS...Mainly to transportation. Hazardous travel for light
  weight and high profile vehicles, especially on west to east
  oriented sections of roadway. Light load semis and those towing
  camper trailers may encounter increased blowoff or blowover
  risks on Interstate 80 near Arlington. 

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.

&&

$$
886 
WWUS75 KCYS 261449
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
749 AM MST Fri Jan 26 2018

...Strong winds expected to return to the Arlington area tonight
into Saturday morning...

WYZ106-261600-
/O.CAN.KCYS.HW.W.0009.000000T0000Z-180126T1800Z/
Central Laramie Range and Southwest Platte County-
Including the city of Bordeaux
749 AM MST Fri Jan 26 2018

...HIGH WIND WARNING IS CANCELLED...

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

Winds have diminished over the area this morning and high winds
are no longer expected.

$$

WYZ110-262300-
/O.CON.KCYS.HW.A.0008.180127T0300Z-180127T1800Z/
North Snowy Range Foothills-
Including the cities of Arlington and Elk Mountain
749 AM MST Fri Jan 26 2018

...HIGH WIND WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH
SATURDAY MORNING...

* TIMING...8PM this evening through 11AM Saturday

* WINDS...West to southwest at 35 to 40 mph sustained with gusts 
  to 60 mph possible 

* IMPACTS...Mainly to transportation. Hazardous travel for light 
  weight and high profile vehicles, especially on west to east 
  oriented sections of roadway. Light load semis and those 
  towing camper trailers may encounter increased blowoff or 
  blowover risks on Interstate 80 near Arlington. 

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.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 26, 1:21 AM MSTHigh Wind WatchCYSAlbany, Carbon19 hr

Nearby

High Wind Warnings in Wyoming, 2018Every high wind warning in 2018

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.