Alert archive / Nebraska / Wind Chill Advisories in 2021

Wind Chill Advisory 4, NWS Cheyenne, WY

February 15, 20214 counties in Nebraska

NWS Cheyenne, WY issued this wind chill advisory at Feb 15, 2021, 2:20 AM MST for 4 counties in Nebraska. It took effect at Feb 15, 2021, 5:00 PM MST. It was in force for 15 hr.

The area

The counties it named.

The facts

Issued
Feb 15, 2021, 2:20 AM MST (09:20 UTC)
In effect from
Feb 15, 2021, 5:00 PM MST
Expired
Feb 16, 2021, 8:00 AM MST
In force
15 hr
Issued by
NWS Cheyenne, WY

Counties Box Butte County, NE, Cheyenne County, NE, Dawes County, NE, Morrill County, NE

The radar

The Cheyenne radar (KCYS), 172 km from the middle of the area, began a volume at 09:19 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

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 9.3 hours before the alert went out and 225 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, N. Platte/Lee Bi, NE at 00:00Z on 2021-02-15Temperature 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, N. Platte/Lee Bi, NE at 00:00Z on 2021-02-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -10 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
1174 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
-10 m²/s²
0-3 km storm-relative helicity
21 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

096 
WWUS45 KCYS 150920
WSWCYS

URGENT - WINTER WEATHER MESSAGE
National Weather Service Cheyenne WY
220 AM MST Mon Feb 15 2021

...DANGEROUSLY COLD WIND CHILLS WILL CONTINUE THROUGH THIS MORNING...

...MORE SNOW AND BLOWING SNOW FOR THE SIERRA MADRE AND SNOWY RANGES
THIS AFTERNOON THROUGH TUESDAY NIGHT...

NEZ021-055-160000-
/O.NEW.KCYS.WC.Y.0004.210216T0000Z-210216T1500Z/
/O.CON.KCYS.WC.W.0001.000000T0000Z-210215T1800Z/
Morrill-Cheyenne-
Including the cities of Angora, Bridgeport, Bayard, Redington, 
Brownson, and Sidney
220 AM MST Mon Feb 15 2021

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS
MORNING...
...WIND CHILL ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO 8 AM
MST TUESDAY...

* WHAT...For the Wind Chill Warning, dangerously cold wind chills
  as low as 45 below zero. For the Wind Chill Advisory, very cold
  wind chills as low as 25 below zero.

* WHERE...Morrill and Cheyenne Counties including Bayard, Bridgeport
  and Sidney.

* WHEN...For the Wind Chill Warning, until 11 AM MST this morning.
  For the Wind Chill Advisory, from 5 PM this afternoon to 8 AM 
  MST Tuesday.

* IMPACTS...The dangerously cold wind chills could cause frostbite
  on exposed skin in as little as 10 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid outside activities if possible. When outside, make sure you
wear appropriate clothing, a hat, and gloves. 

Use caution while traveling outside. Wear appropriate clothing, a
hat, and gloves. 

&&

$$

NEZ002-003-160000-
/O.NEW.KCYS.WC.Y.0004.210216T0000Z-210216T1500Z/
/O.CON.KCYS.WC.W.0001.000000T0000Z-210215T1800Z/
Dawes-Box Butte-
Including the cities of Chadron, Chadron St Park, and Alliance
220 AM MST Mon Feb 15 2021

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS
MORNING...
...WIND CHILL ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO 8 AM
MST TUESDAY...

* WHAT...For the Wind Chill Warning, dangerously cold wind chills
  as low as 45 below zero. For the Wind Chill Advisory, very cold
  wind chills as low as 25 below zero.

* WHERE...Box Butte and Dawes Counties including Alliance and
  Chadron.

* WHEN...For the Wind Chill Warning, until 11 AM MST this morning.
  For the Wind Chill Advisory, from 5 PM this afternoon to 8 AM 
  MST Tuesday.

* IMPACTS...The dangerously cold wind chills could cause frostbite
  on exposed skin in as little as 10 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid outside activities if possible. When outside, make sure you
wear appropriate clothing, a hat, and gloves. 

Use caution while traveling outside. Wear appropriate clothing, a
hat, and gloves. 

&&

$$

WYZ101-103-106-116-151800-
/O.CON.KCYS.WC.W.0001.000000T0000Z-210215T1800Z/
Converse County Lower Elevations-North Laramie Range-
Central Laramie Range and Southwest Platte County-
South Laramie Range-
Including the cities of Bill, Douglas, Deer Creek, Glenrock, 
Garrett, Bordeaux, Buford, Pumpkin Vine, and Vedauwoo
220 AM MST Mon Feb 15 2021

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

* WHAT...Dangerously cold wind chills as low as 45 below zero.

* WHERE...Converse County, Central Laramie Range, and Southwest 
  Platte County including Bill, Douglas, Deer Creek, Glenrock 
  and Bordeaux.

* WHEN...Until 11 AM MST this morning.

* IMPACTS...The dangerously cold wind chills could cause frostbite
  on exposed skin in as little as 10 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid outside activities if possible. When outside, make sure you
wear appropriate clothing, a hat, and gloves. 

&&

$$

NEZ095-096-WYZ102-115-117-151800-
/O.CON.KCYS.WC.W.0001.000000T0000Z-210215T1800Z/
North Sioux-South Sioux-Niobrara County-Laramie Valley-
South Laramie Range Foothills-
Including the cities of Harrison, Agate, Lusk, Redbird, Bosler, 
Laramie, Whitaker, Federal, and Horse Creek
220 AM MST Mon Feb 15 2021

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

* WHAT...Dangerously cold wind chills as low as 45 below zero.

* WHERE...Sioux and Niobrara Counties, Laramie Valley and South
  Laramie Range Foothills. This includes Harrison, Laramie, Lusk 
  and Redbird.

* WHEN...Until 11 AM MST this morning.

* IMPACTS...The dangerously cold wind chills could cause frostbite
  on exposed skin in as little as 10 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid outside activities if possible. When outside, make sure you
wear appropriate clothing, a hat, and gloves. 

&&

$$

NEZ019-020-054-WYZ107-108-118-119-151800-
/O.CON.KCYS.WC.W.0001.000000T0000Z-210215T1800Z/
Scotts Bluff County-Banner County-Kimball County-
East Platte County-Goshen County-Central Laramie County-
East Laramie County-
Including the cities of Scottsbluff, Gering, Harrisburg, Kimball,
Wheatland, Guernsey, Torrington, Cheyenne, and Pine Bluffs
220 AM MST Mon Feb 15 2021

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

* WHAT...Dangerously cold wind chills as low as 40 below zero.

* WHERE...Scotts Bluff, Banner, Kimball, East Platte, Goshen,
  Central and Eastern Laramie Counties. This includes Cheyenne,
  Guernsey, Harrisburg, Kimball, Pine Bluffs and Wheatland.

* WHEN...Until 11 AM MST this morning.

* IMPACTS...The dangerously cold wind chills could cause frostbite
  on exposed skin in as little as 10 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid outside activities if possible. When outside, make sure you
wear appropriate clothing, a hat, and gloves. 

&&

$$

WYZ112-114-160000-
/O.CON.KCYS.WC.Y.0003.000000T0000Z-210215T1800Z/
/O.CON.KCYS.WW.Y.0014.210215T1800Z-210217T1200Z/
Sierra Madre Range-Snowy Range-
Including the cities of Centennial and Albany
220 AM MST Mon Feb 15 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS
MORNING...
...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 AM THIS
MORNING TO 5 AM MST WEDNESDAY...

* WHAT...For the Winter Weather Advisory, snow and blowing snow
  expected. Total snow accumulations of 10 to 12 inches above 
  9000 feet and 6 to 10 inches below 9000 feet. Winds gusting as 
  high as 35 mph. For the Wind Chill Advisory, very cold wind 
  chills as low as 30 below zero.

* WHERE...Sierra Madre and Snowy Ranges including Centennial and 
  Albany.

* WHEN...For the Winter Weather Advisory, from 11 AM this morning 
  to 5 AM MST Wednesday. For the Wind Chill Advisory, until 11 AM 
  MST this morning.

* IMPACTS...Travel could be very difficult. Blowing snow could 
  significantly reduce visibility. The cold wind chills could 
  cause frostbite on exposed skin in as little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a
hat, and gloves. 

Slow down and use caution while traveling. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ104-105-109>111-113-151800-
/O.CON.KCYS.WC.Y.0003.000000T0000Z-210215T1800Z/
Ferris/Seminoe/Shirley Mountains-Shirley Basin-
Central Carbon County-North Snowy Range Foothills-
Southwest Carbon County-Upper North Platte River Basin-
Including the cities of Seminoe Dam, Medicine Bow, Shirley Basin,
Rawlins, Arlington, Elk Mountain, Baggs, Saratoga, and Encampment
220 AM MST Mon Feb 15 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS
MORNING...

* WHAT...Very cold wind chills as low as 35 below zero.

* WHERE...Ferris, Seminoe and Shirley Mountains, Shirley Basin,
  North Snowy Range Foothills, Central and Southwest Carbon
  County, and Upper North Platte River Basin. This include Medicine
  Bow, Shirley Basin, Rawlins, Saratoga, Arlington, Elk Mountain 
  and Baggs.

* WHEN...Until 11 AM MST this morning.

* IMPACTS...The dangerously cold wind chills could cause frostbite
  on exposed skin in as little as 10 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a
hat, and gloves. 

&&

$$
5 follow-up statements
801 
WWUS45 KCYS 151748
WSWCYS

URGENT - WINTER WEATHER MESSAGE
National Weather Service Cheyenne WY
1048 AM MST Mon Feb 15 2021

...DANGEROUSLY COLD WIND CHILLS WILL CONTINUE THROUGH THIS
MORNING...

...MORE SNOW AND BLOWING SNOW FOR THE SIERRA MADRE AND SNOWY
RANGES THIS AFTERNOON THROUGH TUESDAY NIGHT...

NEZ021-055-160200-
/O.EXP.KCYS.WC.W.0001.000000T0000Z-210215T1800Z/
/O.CON.KCYS.WC.Y.0004.210216T0000Z-210216T1500Z/
Morrill-Cheyenne-
Including the cities of Angora, Bridgeport, Bayard, Redington, 
Brownson, and Sidney
1048 AM MST Mon Feb 15 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON
TO 8 AM MST TUESDAY...
...WIND CHILL WARNING WILL EXPIRE AT 11 AM MST THIS MORNING...

* WHAT...Very cold wind chills expected. Wind chills as low as 
  25 below zero.

* WHERE...Morrill and Cheyenne Counties including Bayard, 
  Bridgeport and Sidney.

* WHEN...For the Wind Chill Warning, until 11 AM MST this 
  morning. For the Wind Chill Advisory, from 5 PM this afternoon 
  to 8 AM MST Tuesday.

* IMPACTS...The cold wind chills could cause frostbite on 
  exposed skin in as little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a
hat, and gloves. 

&&

$$

NEZ002-003-160200-
/O.EXP.KCYS.WC.W.0001.000000T0000Z-210215T1800Z/
/O.CON.KCYS.WC.Y.0004.210216T0000Z-210216T1500Z/
Dawes-Box Butte-
Including the cities of Chadron, Chadron St Park, and Alliance
1048 AM MST Mon Feb 15 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON
TO 8 AM MST TUESDAY...
...WIND CHILL WARNING WILL EXPIRE AT 11 AM MST THIS MORNING...

* WHAT...Very cold wind chills expected. Wind chills as low as 
  25 below zero.

* WHERE...Box Butte and Dawes Counties including Alliance and 
  Chadron.

* WHEN...For the Wind Chill Warning, until 11 AM MST this 
  morning. For the Wind Chill Advisory, from 5 PM this afternoon 
  to 8 AM MST Tuesday.

* IMPACTS...The cold wind chills could cause frostbite on 
  exposed skin in as little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a
hat, and gloves. 

&&

$$

WYZ101-103-106-116-151900-
/O.EXP.KCYS.WC.W.0001.000000T0000Z-210215T1800Z/
Converse County Lower Elevations-North Laramie Range-
Central Laramie Range and Southwest Platte County-
South Laramie Range-
Including the cities of Bill, Douglas, Deer Creek, Glenrock, 
Garrett, Bordeaux, Buford, Pumpkin Vine, and Vedauwoo
1048 AM MST Mon Feb 15 2021

...WIND CHILL WARNING WILL EXPIRE AT 11 AM MST THIS MORNING...

Temperatures increasing today will bring wind chills to -10 to 10
degrees above zero. Severe wind chill criteria is no longer
expected.

$$

NEZ095-096-WYZ102-115-117-151900-
/O.EXP.KCYS.WC.W.0001.000000T0000Z-210215T1800Z/
North Sioux-South Sioux-Niobrara County-Laramie Valley-
South Laramie Range Foothills-
Including the cities of Harrison, Agate, Lusk, Redbird, Bosler, 
Laramie, Whitaker, Federal, and Horse Creek
1048 AM MST Mon Feb 15 2021

...WIND CHILL WARNING WILL EXPIRE AT 11 AM MST THIS MORNING...

Temperatures increasing today will bring wind chills to -10 to 10
degrees above zero. Severe wind chill criteria is no longer
expected.

$$

NEZ019-020-054-WYZ107-108-118-119-151900-
/O.EXP.KCYS.WC.W.0001.000000T0000Z-210215T1800Z/
Scotts Bluff County-Banner County-Kimball County-
East Platte County-Goshen County-Central Laramie County-
East Laramie County-
Including the cities of Scottsbluff, Gering, Harrisburg, Kimball,
Wheatland, Guernsey, Torrington, Cheyenne, and Pine Bluffs
1048 AM MST Mon Feb 15 2021

...WIND CHILL WARNING WILL EXPIRE AT 11 AM MST THIS MORNING...

Temperatures increasing today will bring wind chills to -10 to 10
degrees above zero. Severe wind chill criteria is no longer
expected.

$$

WYZ112-114-160200-
/O.EXP.KCYS.WC.Y.0003.000000T0000Z-210215T1800Z/
/O.UPG.KCYS.WW.Y.0014.210215T1800Z-210217T1200Z/
/O.NEW.KCYS.WS.W.0006.210216T0000Z-210217T1200Z/
Sierra Madre Range-Snowy Range-
Including the cities of Centennial and Albany
1048 AM MST Mon Feb 15 2021

...WINTER STORM WARNING IN EFFECT FROM 5 PM THIS AFTERNOON TO
5 AM MST WEDNESDAY...
...WIND CHILL ADVISORY WILL EXPIRE AT 11 AM MST THIS MORNING...

* WHAT...Heavy snow expected. Total snow accumulations of 12 to 15
  inches in areas above 9000 feet and 8 to 12 inches below 9000
  feet. Winds gusting as high as 50 mph.

* WHERE...Sierra Madre and Snowy Mountain Ranges, including the
  cities of Centennial and Albany.

* WHEN...From 5 PM this afternoon to 5 AM MST Wednesday.

* IMPACTS...Hikers, snowmobilers, and outdoor recreationists will
  face an increased threat of becoming lost or disoriented. Areas
  of blowing snow could significantly reduce visibility to near
  zero at times.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ104-105-109>111-113-151900-
/O.EXP.KCYS.WC.Y.0003.000000T0000Z-210215T1800Z/
Ferris/Seminoe/Shirley Mountains-Shirley Basin-
Central Carbon County-North Snowy Range Foothills-
Southwest Carbon County-Upper North Platte River Basin-
Including the cities of Seminoe Dam, Medicine Bow, Shirley Basin,
Rawlins, Arlington, Elk Mountain, Baggs, Saratoga, and Encampment
1048 AM MST Mon Feb 15 2021

...WIND CHILL ADVISORY WILL EXPIRE AT 11 AM MST THIS MORNING...

Temperatures increasing today will bring wind chills to -10 to 10
degrees above zero. Severe wind chill criteria is no longer
expected.

$$
859 
WWUS45 KCYS 151802
WSWCYS

URGENT - WINTER WEATHER MESSAGE
National Weather Service Cheyenne WY
1102 AM MST Mon Feb 15 2021

...DANGEROUSLY COLD WIND CHILLS WILL CONTINUE THROUGH THIS
MORNING...

...MORE SNOW AND BLOWING SNOW FOR THE SIERRA MADRE AND SNOWY
RANGES THIS AFTERNOON THROUGH TUESDAY NIGHT...

WYZ112-114-160215-
/O.CON.KCYS.WS.W.0006.210216T0000Z-210217T1200Z/
Sierra Madre Range-Snowy Range-
Including the cities of Centennial and Albany
1102 AM MST Mon Feb 15 2021

...WINTER STORM WARNING REMAINS IN EFFECT FROM 5 PM THIS
AFTERNOON TO 5 AM MST WEDNESDAY...

* WHAT...Heavy snow expected. Total snow accumulations of 12 to 
  15 inches in areas above 9000 feet and 8 to 12 inches below 
  9000 feet. Winds gusting as high as 50 mph.

* WHERE...Sierra Madre and Snowy Mountain Ranges, including the 
  cities of Centennial and Albany.

* WHEN...From 5 PM this afternoon to 5 AM MST Wednesday.

* IMPACTS...Hikers, snowmobilers, and outdoor recreationists 
  will face an increased threat of becoming lost or disoriented. 
  Areas of blowing snow could significantly reduce visibility to 
  near zero at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

NEZ002-003-021-055-160215-
/O.CON.KCYS.WC.Y.0004.210216T0000Z-210216T1500Z/
Dawes-Box Butte-Morrill-Cheyenne-
Including the cities of Chadron, Chadron St Park, Alliance, 
Angora, Bridgeport, Bayard, Redington, Brownson, and Sidney
1102 AM MST Mon Feb 15 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON
TO 8 AM MST TUESDAY...

* WHAT...Very cold wind chills expected. Wind chills as low as 
  25 below zero.

* WHERE...Morrill and Cheyenne Counties including Bayard, 
  Bridgeport and Sidney.

* WHEN...5 PM this afternoon to 8 AM MST Tuesday.

* IMPACTS...The cold wind chills could cause frostbite on 
  exposed skin in as little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a
hat, and gloves. 

&&

$$
979 
WWUS45 KCYS 160449
WSWCYS

URGENT - WINTER WEATHER MESSAGE
National Weather Service Cheyenne WY
949 PM MST Mon Feb 15 2021

...MORE SNOW AND BLOWING SNOW FOR THE SIERRA MADRE RANGE...SNOWY
RANGE...AND NORTHERN SNOWY RANGE FOOTHILLS TONIGHT AND TUESDAY...

WYZ112-114-161500-
/O.CON.KCYS.WS.W.0006.000000T0000Z-210217T1200Z/
Sierra Madre Range-Snowy Range-
Including the cities of Centennial and Albany
949 PM MST Mon Feb 15 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST
WEDNESDAY...

* WHAT...Heavy snow expected. Total snow accumulations of 12 to 
  15 inches in areas above 9000 feet and 8 to 12 inches below 
  9000 feet. Winds gusting as high as 50 mph.

* WHERE...Sierra Madre and Snowy Mountain Ranges, including the 
  cities of Centennial and Albany.

* WHEN...Until 5 AM MST Wednesday.

* IMPACTS...Hikers, snowmobilers, and outdoor recreationists 
  will face an increased threat of becoming lost or disoriented. 
  Areas of blowing snow could significantly reduce visibility to 
  near zero at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ110-161500-
/O.NEW.KCYS.WW.Y.0015.210216T0449Z-210216T1600Z/
North Snowy Range Foothills-
Including the cities of Arlington and Elk Mountain
949 PM MST Mon Feb 15 2021

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 9 AM MST TUESDAY...

* WHAT...Snow and blowing snow. Additional snow accumulations of 1
  to 2 inches. Winds gusting as high as 45 mph.

* WHERE...Northern Snowy Range Foothills from Elk Mountain towards
  Arlington.

* WHEN...Until 9 AM MST Tuesday.

* IMPACTS...Plan on slippery road conditions. Patchy blowing snow
  could significantly reduce visibility below one half mile at
  times. The hazardous conditions will likely impact the morning 
  commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

NEZ002-003-021-055-161500-
/O.CON.KCYS.WC.Y.0004.000000T0000Z-210216T1500Z/
Dawes-Box Butte-Morrill-Cheyenne-
Including the cities of Chadron, Chadron St Park, Alliance, 
Angora, Bridgeport, Bayard, Redington, Brownson, and Sidney
949 PM MST Mon Feb 15 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 8 AM MST TUESDAY...

* WHAT...Very cold wind chills expected. Wind chills as low as 
  25 below zero.

* WHERE...Morrill and Cheyenne Counties including Bayard, 
  Bridgeport and Sidney.

* WHEN...5 PM this afternoon to 8 AM MST Tuesday.

* IMPACTS...The cold wind chills could cause frostbite on 
  exposed skin in as little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a
hat, and gloves. 

&&

$$
325 
WWUS45 KCYS 160958
WSWCYS

URGENT - WINTER WEATHER MESSAGE
National Weather Service Cheyenne WY
258 AM MST Tue Feb 16 2021

...MORE SNOW AND BLOWING SNOW FOR THE SIERRA MADRE RANGE...SNOWY
RANGE...AND NORTHERN SNOWY RANGE FOOTHILLS TONIGHT AND TUESDAY...

WYZ112-114-161800-
/O.CON.KCYS.WS.W.0006.000000T0000Z-210217T1200Z/
Sierra Madre Range-Snowy Range-
Including the cities of Centennial and Albany
258 AM MST Tue Feb 16 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST
WEDNESDAY...

* WHAT...Heavy snow expected. Additional snow accumulations of 4
  to 7 inches in areas above 9000 feet and 2 to 5 inches below
  9000 feet. Winds gusting as high as 40 mph.

* WHERE...Sierra Madre and Snowy Mountain Ranges, including the 
  cities of Centennial and Albany.

* WHEN...Until 5 AM MST Wednesday.

* IMPACTS...Hikers, snowmobilers, and outdoor recreationists 
  will face an increased threat of becoming lost or disoriented. 
  Areas of blowing snow could significantly reduce visibility to 
  near zero at times.

* ADDITIONAL DETAILS...Estimated snowfall amounts of 8 to 12
  inches since midday Monday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ110-161600-
/O.CON.KCYS.WW.Y.0015.000000T0000Z-210216T1600Z/
North Snowy Range Foothills-
Including the cities of Arlington and Elk Mountain
258 AM MST Tue Feb 16 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MST THIS
MORNING...

* WHAT...Snow and blowing snow. Additional snow accumulations
  around 1 inch. Winds gusting as high as 45 mph.

* WHERE...Northern Snowy Range Foothills from Elk Mountain 
  towards Arlington.

* WHEN...Until 9 AM MST Tuesday.

* IMPACTS...Plan on slippery road conditions. Patchy blowing snow
  could significantly reduce visibility below one half mile at
  times. The hazardous conditions will likely impact the morning
  commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

NEZ002-003-021-055-161500-
/O.CON.KCYS.WC.Y.0004.000000T0000Z-210216T1500Z/
Dawes County-Box Butte County-Morrill County-Cheyenne County-
Including the cities of Chadron, Chadron St Park, Alliance, 
Angora, Bridgeport, Bayard, Redington, Sidney, and Brownson
258 AM MST Tue Feb 16 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 8 AM MST THIS
MORNING...

* WHAT...Very cold wind chills expected. Wind chills as low as 
  25 below zero.

* WHERE...Dawes, Box Butte, Morrill and Cheyenne Counties
  including Chadron, Alliance, Bridgeport and Sidney.

* WHEN...Until 8 AM MST Tuesday.

* IMPACTS...The cold wind chills could cause frostbite on exposed
  skin in as little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a
hat, and gloves.

&&

$$

Brothers
833 
WWUS45 KCYS 161445
WSWCYS

URGENT - WINTER WEATHER MESSAGE
National Weather Service Cheyenne WY
745 AM MST Tue Feb 16 2021

...MORE SNOW AND BLOWING SNOW FOR THE SIERRA MADRE RANGE...SNOWY
RANGE...AND NORTHERN SNOWY RANGE FOOTHILLS TONIGHT AND TUESDAY...

NEZ002-003-021-055-161545-
/O.EXP.KCYS.WC.Y.0004.000000T0000Z-210216T1500Z/
Dawes-Box Butte-Morrill-Cheyenne-
Including the cities of Chadron, Chadron St Park, Alliance, 
Angora, Bridgeport, Bayard, Redington, Brownson, and Sidney
745 AM MST Tue Feb 16 2021

...WIND CHILL ADVISORY WILL EXPIRE AT 8 AM MST THIS MORNING...

Temperatures are warming and are expected to stay above advisory
criteria on windchills the rest of the day. Therefore...the
Windchill Advisory will be allowed to expire on time at 8 AM.

$$

WYZ112-114-162245-
/O.CON.KCYS.WS.W.0006.000000T0000Z-210217T1200Z/
Sierra Madre Range-Snowy Range-
Including the cities of Centennial and Albany
745 AM MST Tue Feb 16 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM MST
WEDNESDAY...

* WHAT...Heavy snow expected. Additional snow accumulations of 4 
  to 7 inches in areas above 9000 feet and 2 to 5 inches below 
  9000 feet. Winds gusting as high as 40 mph.

* WHERE...Sierra Madre and Snowy Mountain Ranges, including the 
  cities of Centennial and Albany.

* WHEN...Until 5 AM MST Wednesday.

* IMPACTS...Hikers, snowmobilers, and outdoor recreationists 
  will face an increased threat of becoming lost or disoriented. 
  Areas of blowing snow could significantly reduce visibility to 
  near zero at times.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

WYZ110-161600-
/O.CON.KCYS.WW.Y.0015.000000T0000Z-210216T1600Z/
North Snowy Range Foothills-
Including the cities of Arlington and Elk Mountain
745 AM MST Tue Feb 16 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM MST THIS
MORNING...

* WHAT...Snow and blowing snow. Additional snow accumulations 
  around 1 inch. Winds gusting as high as 45 mph.

* WHERE...Northern Snowy Range Foothills from Elk Mountain 
  towards Arlington.

* WHEN...Until 9 AM MST Tuesday.

* IMPACTS...Plan on slippery road conditions. Patchy blowing 
  snow could significantly reduce visibility below one half mile 
  at times. The hazardous conditions will likely impact the 
  morning commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling, especially in open areas. 

The latest road conditions for the state you are calling from can
be obtained by calling 5 1 1.

&&

$$

Nearby

Wind Chill Advisories in Nebraska, 2021Every wind chill advisory 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.