Alert archive / Wyoming / High Wind Watches in 2021

High Wind Watch 14, NWS Cheyenne, WY

March 8, 2021Albany County, Carbon County, Wyoming

NWS Cheyenne, WY issued this high wind watch at Mar 8, 2021, 1:31 AM MST for Albany County, Carbon County, Wyoming. It took effect at Mar 8, 2021, 2:00 PM MST. It was in force for .

The area

The counties it named.

The facts

Issued
Mar 8, 2021, 1:31 AM MST (08:31 UTC)
In effect from
Mar 8, 2021, 2:00 PM MST
Expired
Mar 8, 2021, 12:04 PM MST
In force
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 08:30 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

Riverton, WY (KRIW), launched 00:00Z, 8.5 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 00:00Z on 2021-03-08Temperature 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 00:00Z on 2021-03-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 67 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
3465 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
67 m²/s²
0-3 km storm-relative helicity
125 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

332 
WWUS75 KCYS 080831
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
131 AM MST Mon Mar 8 2021

WYZ110-081645-
/O.NEW.KCYS.HW.A.0014.210308T2100Z-210309T1500Z/
North Snowy Range Foothills-
Including the cities of Arlington and Elk Mountain
131 AM MST Mon Mar 8 2021

...HIGH WIND WATCH IN EFFECT FROM THIS AFTERNOON THROUGH TUESDAY
MORNING...

* WHAT...Southwest winds 35 to 45 mph with gusts up to 60 mph 
  possible.

* WHERE...Interstate 80 Corridor between Arlington and Elk
  Mountain.

* WHEN...2 PM MST Monday to 8 AM MST Tuesday.

* IMPACTS...Travel could be dangerous, especially for light and
  high profile vehicles, including tractors and camper trailers.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Watch means high winds are possible within the given
time period. Maintain caution when traveling, especially if
traveling with or in a light or high profile vehicle.

&&

$$

LK
1 follow-up statement
110 
WWUS75 KCYS 081904
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
1204 PM MST Mon Mar 8 2021

WYZ110-091200-
/O.UPG.KCYS.HW.A.0014.210308T2100Z-210309T1500Z/
/O.NEW.KCYS.HW.W.0021.210309T0100Z-210309T1600Z/
North Snowy Range Foothills-
Including the cities of Arlington and Elk Mountain
1204 PM MST Mon Mar 8 2021

...HIGH WIND WARNING IN EFFECT FROM 6 PM THIS EVENING TO 9 AM MST
TUESDAY...

* WHAT...Southwest winds 35 to 45 mph with gusts up to 65 mph 
  expected.

* WHERE...Interstate 80 near Arlington and Elk Mountain.

* WHEN...From 6 PM this evening to 9 AM MST Tuesday.

* IMPACTS...Travel could be difficult, especially for light and
  high profile vehicles, including tractors and camper trailers.

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.

&&

$$

MB

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 8, 3:19 AM MSTWinter Storm WatchCYSConverse, Niobrara22 hr
Mar 8, 12:04 PM MSTHigh Wind WarningCYSAlbany, Carbon23 hr

Nearby

High Wind Watches in Wyoming, 2021Every high wind watch in 2021

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.