Alert archive / Nebraska / High Wind Watches in 2021

High Wind Watch 30, NWS Cheyenne, WY

November 10, 2021Box Butte County, Dawes County, Sioux County, Nebraska

NWS Cheyenne, WY issued this high wind watch at Nov 10, 2021, 12:58 PM MST for Box Butte County, Dawes County, Sioux County, Nebraska. It took effect at Nov 11, 2021, 11:00 AM MST. It was in force for .

The area

The counties it named.

The facts

Issued
Nov 10, 2021, 12:58 PM MST (19:58 UTC)
In effect from
Nov 11, 2021, 11:00 AM MST
Expired
Nov 11, 2021, 2:53 AM MST
In force
Issued by
NWS Cheyenne, WY

Counties Box Butte County, NE, Dawes County, NE, Sioux County, NE

The radar

The Rapid City radar (KUDX), 188 km from the middle of the area, began a volume at 19:58 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

Rapid City, SD (KUNR), launched 12:00Z, 8.0 hours before the alert went out and 181 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, Rapid City, SD at 12:00Z on 2021-11-10Temperature 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 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Rapid City, SD at 12:00Z on 2021-11-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -86 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
1067 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
-86 m²/s²
0-3 km storm-relative helicity
24 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

008 
WWUS75 KCYS 101958
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
1258 PM MST Wed Nov 10 2021

WYZ110-110400-
/O.EXT.KCYS.HW.W.0041.000000T0000Z-211112T0600Z/
North Snowy Range Foothills-
Including the cities of Arlington and Elk Mountain
1258 PM MST Wed Nov 10 2021

...HIGH WIND WARNING NOW IN EFFECT UNTIL 11 PM MST THURSDAY...

* WHAT...West winds 30 to 40 mph with gusts up to 65 mph 
  expected.

* WHERE...North Snowy Range Foothills including Interstate 80 
  near Arlington.

* WHEN...Until 11 PM MST Thursday.

* IMPACTS...Mainly to transportation. Strong head winds and 
  cross winds will be hazardous to light weight and high profile 
  vehicles, including campers and tractor trailers. There will 
  be a high risk for vehicle blow overs, particularly along 
  Interstate 80 near Arlington and Elk Mountain.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Fasten loose objects or shelter objects in a safe
location prior to the onset of winds.

&&

$$

WYZ116-102200-
/O.CON.KCYS.HW.W.0041.000000T0000Z-211110T2200Z/
South Laramie Range-
Including the cities of Buford, Pumpkin Vine, and Vedauwoo
1258 PM MST Wed Nov 10 2021

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

* WHAT...West winds 30 to 40 mph with gusts up to 65 mph 
  expected.

* WHERE...South Laramie Range including Interstate 80 near 
  Vedauwoo and the Summit.

* WHEN...From 11 PM this evening to 3 PM MST Wednesday.

* IMPACTS...Mainly to transportation. Strong head winds and 
  cross winds will be hazardous to light weight and high profile 
  vehicles, including campers and tractor trailers. There will 
  be a high risk for vehicle blow overs, particularly between 
  mile markers 320 and 345 on Interstate 80.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Fasten loose objects or shelter objects in a safe
location prior to the onset of winds.

&&

$$

NEZ002-003-095-110400-
/O.NEW.KCYS.HW.A.0030.211111T1800Z-211112T0600Z/
Dawes County-Box Butte County-Northern Sioux County-
Including the cities of Chadron, Chadron St Park, Alliance, 
Hemingford, and Harrison
1258 PM MST Wed Nov 10 2021

...HIGH WIND WATCH IN EFFECT FROM THURSDAY MORNING THROUGH
THURSDAY EVENING...

* WHAT...Northwest winds 25 to 35 mph with gusts up to 60 mph 
  possible.

* WHERE...Dawes County, Box Butte County and Northern Sioux 
  County.

* WHEN...From Thursday morning through Thursday evening.

* IMPACTS...Damaging winds could blow down trees and power lines.  
  Travel could be difficult, especially for high profile vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Fasten loose objects or shelter objects in a safe
location prior to the onset of winds.

&&

$$

Kubelka
2 follow-up statements
547 
WWUS75 KCYS 102159
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
259 PM MST Wed Nov 10 2021

WYZ116-102300-
/O.EXP.KCYS.HW.W.0041.000000T0000Z-211110T2200Z/
South Laramie Range-
Including the cities of Buford, Pumpkin Vine, and Vedauwoo
259 PM MST Wed Nov 10 2021

...HIGH WIND WARNING WILL EXPIRE AT 3 PM MST THIS AFTERNOON...

Winds have remained gusty 40 to 45 MPH, but below criteria, and 
are expected to remain below criteria, so the high wind warning 
has been allowed to expire.

$$

WYZ110-111800-
/O.CON.KCYS.HW.W.0041.000000T0000Z-211112T0600Z/
North Snowy Range Foothills-
Including the cities of Arlington and Elk Mountain
259 PM MST Wed Nov 10 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 PM MST THURSDAY...

* WHAT...West winds 30 to 40 mph with gusts up to 65 mph 
  expected.

* WHERE...North Snowy Range Foothills including Interstate 80 
  near Arlington.

* WHEN...Until 11 PM MST Thursday.

* IMPACTS...Mainly to transportation. Strong head winds and 
  cross winds will be hazardous to light weight and high profile 
  vehicles, including campers and tractor trailers. There will 
  be a high risk for vehicle blow overs, particularly along 
  Interstate 80 near Arlington and Elk Mountain.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. If possible, remain in the lower levels of
your home during the windstorm, and avoid windows. Use caution if
you must drive.

&&

$$

NEZ002-003-095-111800-
/O.CON.KCYS.HW.A.0030.211111T1800Z-211112T0600Z/
Dawes County-Box Butte County-Northern Sioux County-
Including the cities of Chadron, Chadron St Park, Alliance, 
Hemingford, and Harrison
259 PM MST Wed Nov 10 2021

...HIGH WIND WATCH REMAINS IN EFFECT FROM THURSDAY MORNING
THROUGH THURSDAY EVENING...

* WHAT...Northwest winds 25 to 35 mph with gusts up to 60 mph 
  possible.

* WHERE...Dawes County, Box Butte County and Northern Sioux 
  County.

* WHEN...From Thursday morning through Thursday evening.

* IMPACTS...Damaging winds could blow down trees and power 
  lines. Travel could be difficult, especially for high profile 
  vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Fasten loose objects or shelter objects in a safe
location prior to the onset of winds.

&&

$$
298 
WWUS75 KCYS 110953
NPWCYS

URGENT - WEATHER MESSAGE
National Weather Service Cheyenne WY
253 AM MST Thu Nov 11 2021

NEZ003-111100-
/O.CAN.KCYS.HW.A.0030.211111T1800Z-211112T0600Z/
Box Butte County-
Including the cities of Alliance and Hemingford
253 AM MST Thu Nov 11 2021

...HIGH WIND WATCH IS CANCELLED...

Northwest winds with gusts to 50 MPH will be possible Thursday
afternoon, however are not expected to reach high wind criteria.
Therefore, the High Wind Watch was cancelled.

$$

NEZ002-095-120000-
/O.UPG.KCYS.HW.A.0030.211111T1800Z-211112T0600Z/
/O.EXB.KCYS.HW.W.0041.211111T1800Z-211112T0600Z/
Dawes County-Northern Sioux County-
Including the cities of Chadron, Chadron St Park, and Harrison
253 AM MST Thu Nov 11 2021

...HIGH WIND WARNING IN EFFECT FROM 11 AM THIS MORNING TO 11 PM
MST THIS EVENING...

* WHAT...Northwest winds 25 to 35 mph with gusts up to 60 mph 
  expected.

* WHERE...Dawes County and Northern Sioux County, especially for
  higher elevation areas along the Pine Ridge.

* WHEN...From 11 AM this morning to 11 PM MST this evening.

* IMPACTS...Travel could be difficult, especially for high profile
  vehicles along east-west oriented roads.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this
situation. Fasten loose objects or shelter objects in a safe
location prior to the onset of winds. People should avoid being 
outside in forested areas and around trees and branches.

&&

$$

WYZ110-120000-
/O.CON.KCYS.HW.W.0041.000000T0000Z-211112T0600Z/
North Snowy Range Foothills-
Including the cities of Arlington and Elk Mountain
253 AM MST Thu Nov 11 2021

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 PM MST THIS
EVENING...

* WHAT...West winds 30 to 40 mph with gusts up to 65 mph 
  expected.

* WHERE...North Snowy Range Foothills including Interstate 80 
  near Arlington.

* WHEN...Until 11 PM MST Thursday.

* IMPACTS...Mainly to transportation. Strong head winds and cross
  winds will be hazardous to light weight and high profile
  vehicles, including campers and tractor trailers. There will be
  a high risk for vehicle blow overs, particularly along
  Interstate 80 near Arlington and Elk Mountain.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this 
situation. Fasten loose objects or shelter objects in a safe 
location prior to the onset of winds.

&&

$$

Brothers

Nearby

High Wind Watches in Nebraska, 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.