Alert archive / Nebraska / Wind Chill Warnings in 2011

Wind Chill Warning 4, NWS Cheyenne, WY

December 31, 20104 counties in Wyoming; 8 counties in Nebraska

NWS Cheyenne, WY issued this wind chill warning at Dec 31, 2010, 8:57 PM MST for 4 counties in Wyoming; 8 counties in Nebraska. It was in force for 13 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
Dec 31, 2010, 8:57 PM MST (03:57 UTC)
Expired
Jan 1, 2011, 10:23 AM MST
In force
13 hr
Issued by
NWS Cheyenne, WY

Counties Banner County, NE, Box Butte County, NE, Cheyenne County, NE, Dawes County, NE, Kimball County, NE, Morrill County, NE, Scotts Bluff County, NE, Sioux County, NE, Albany County, WY, Goshen County, WY, Laramie County, WY, Niobrara County, WY

The radar

The Cheyenne radar (KCYS), 116 km from the middle of the area, began a volume at 03:57 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 (KDNR), launched 00:00Z, 4.0 hours before the alert went out and 234 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 2011-01-01Temperature 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 2011-01-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 113 square meters per square second.1939Sfc1 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
1232 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
113 m²/s²
0-3 km storm-relative helicity
172 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

070 
WWUS45 KCYS 010357
WSWCYS

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
857 PM MST FRI DEC 31 2010

...STRONG WINTER STORM MOVES OUT OF THE AREA LEAVING BEHIND
DANGEROUS WIND CHILLS...

.A WINTER STORM SYSTEM WILL CONTINUE TO MOVE FROM CENTRAL NEBRASKA
INTO THE GREAT LAKES REGION OVERNIGHT. THE NORTHERN NEBRASKA
PANHANDLE WILL REMAIN IN THE WRAP AROUND MOISTURE TO THE WEST OF
THIS STORM OVERNIGHT. ALTHOUGH THE SNOW WILL DISSIPATE...GUSTY
WINDS AND VERY COLD TEMPERATURES WILL RESULT IN BITTER COLD WIND
CHILLS INTO SATURDAY MORNING.

NEZ002-003-019>021-054-055-095-096-WYZ102-108-116-119-011200-
/O.CAN.KCYS.BZ.W.0001.000000T0000Z-110101T0700Z/
/O.EXA.KCYS.WC.W.0004.000000T0000Z-110101T1900Z/
DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE-
NORTH SIOUX-SOUTH SIOUX-NIOBRARA COUNTY-GOSHEN COUNTY-
SOUTH LARAMIE RANGE-EAST LARAMIE COUNTY-
INCLUDING THE CITIES OF...CHADRON...ALLIANCE...SCOTTSBLUFF...
GERING...HARRISBURG...BRIDGEPORT...BAYARD...KIMBALL...SIDNEY...
HARRISON...AGATE...LUSK...TORRINGTON...VEDAUWOO...BUFORD...
PUMPKIN VINE...BURNS...CARPENTER...ALBIN...PINE BLUFFS
857 PM MST FRI DEC 31 2010

...WIND CHILL WARNING IN EFFECT UNTIL NOON MST SATURDAY...
...BLIZZARD WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WIND CHILL
WARNING...WHICH IS IN EFFECT UNTIL NOON MST SATURDAY. THE
BLIZZARD WARNING HAS BEEN CANCELLED.

* TIMING...THROUGH NOON SATURDAY.

* WIND CHILL VALUES...25 BELOW TO 35 BELOW ZERO...GRADUALLY
  IMPROVING SATURDAY MORNING.

* OTHER IMPACTS...ACCUMULATING SNOWFALL WILL CONTINUE TO DIMINISH
  ACROSS THE NEBRASKA PANHANDLE OVERNIGHT...BUT BLOWING SNOW WILL
  CONTINUE TO CREATE LOCALLY HAZARDOUS DRIVING CONDITIONS DUE TO
  RESTRICTED VISIBILITIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE WIND CHILL IS THE TEMPERATURE YOUR BODY FEELS WHEN THE AIR
TEMPERATURE IS COMBINED WITH THE WIND SPEED. WITH WIND CHILLS
BELOW MINUS 30 DEGREES...FROSTBITE CAN OCCUR IN AS LITTLE AS 5 TO
10 MINUTES. THE MOST SUSCEPTIBLE PARTS OF THE BODY ARE THE
EXTREMETIES SUCH AS FINGERS...TOES...EAR LOBES...OR THE TIP OF
THE NOSE. ANY OUTDOOR EXCURSIONS CAN BE DANGEROUS WITHOUT PROPER
ATTIRE.

&&

$$

WYZ101-103>107-109>115-117-118-011200-
/O.CON.KCYS.WC.W.0004.000000T0000Z-110101T1900Z/
CONVERSE COUNTY LOWER ELEVATIONS-NORTH LARAMIE RANGE-
FERRIS/SEMINOE/SHIRLEY MOUNTAINS-SHIRLEY BASIN-
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
EAST PLATTE COUNTY-CENTRAL CARBON COUNTY-
NORTH SNOWY RANGE FOOTHILLS-SOUTHWEST CARBON COUNTY-
SIERRA MADRE RANGE-UPPER NORTH PLATTE RIVER BASIN-SNOWY RANGE-
LARAMIE VALLEY-SOUTH LARAMIE RANGE FOOTHILLS-
CENTRAL LARAMIE COUNTY-
INCLUDING THE CITIES OF...DOUGLAS...GLENROCK...MUDDY GAP...
MEDICINE BOW...BORDEAUX...GLENDO...WHEATLAND...CHUGWATER...
GUERNSEY...RAWLINS...SINCLAIR...HANNA...ARLINGTON...
ELK MOUNTAIN...BAGGS...DIXON...SARATOGA...ENCAMPMENT...
RIVERSIDE...CENTENNIAL...ALBANY...WOODS LANDING...LARAMIE...
HORSE CREEK...HARRIMAN...WHITAKER...CHEYENNE
857 PM MST FRI DEC 31 2010

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON MST SATURDAY...

A WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON MST SATURDAY.

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WIND CHILL
WARNING...WHICH IS IN EFFECT UNTIL NOON MST SATURDAY. THE WINTER
STORM WARNING HAS BEEN CANCELLED.

* TIMING...THROUGH NOON SATURDAY.

* WIND CHILL VALUES...25 BELOW TO 35 BELOW ZERO...GRADUALLY
  IMPROVING SATURDAY MORNING.

* OTHER IMPACTS...BLOWING SNOW WILL CONTINUE TO CREATE LOCALLY
  HAZARDOUS DRIVING CONDITIONS DUE TO RESTRICTED VISIBILITIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE WIND CHILL IS THE TEMPERATURE YOUR BODY FEELS WHEN THE AIR
TEMPERATURE IS COMBINED WITH THE WIND SPEED. WITH WIND CHILLS
BELOW MINUS 30 DEGREES...FROSTBITE CAN OCCUR IN AS LITTLE AS 5 TO
10 MINUTES. THE MOST SUSCEPTIBLE PARTS OF THE BODY ARE THE
EXTREMETIES SUCH AS FINGERS...TOES...EAR LOBES...OR THE TIP OF
THE NOSE.  ANY OUTDOOR EXCURSIONS CAN BE DANGEROUS WITHOUT PROPER
ATTIRE.

&&

$$


LUNDQUIST/CARPENTER
2 follow-up statements
599 
WWUS45 KCYS 011050
WSWCYS

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
350 AM MST SAT JAN 1 2011

...DANGEROUS WIND CHILLS WILL CONTINUE OVER THE REGION THROUGH
NOON...

.A WINTER STORM SYSTEM OVER MINNESOTA EARLY THIS MORNING WILL
CONTINUE TO MOVE TO THE NORTHEAST TODAY. THE CIRCULATION AROUND
THE STORM WILL CONTINUE TO PRODUCE STRONG WINDS AND VERY COLD WIND
CHILL VALUES OVER SOUTHEAST WYOMING AND THE WESTERN NEBRASKA
PANHANDLE THROUGH NOON.  

NEZ002-003-019>021-054-055-095-096-WYZ101-102-107-108-118-119-
011900-
/O.CAN.KCYS.WC.W.0004.000000T0000Z-110101T1900Z/
/O.NEW.KCYS.WC.Y.0001.110101T1050Z-110101T1900Z/
DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE-
NORTH SIOUX-SOUTH SIOUX-CONVERSE COUNTY LOWER ELEVATIONS-
NIOBRARA COUNTY-EAST PLATTE COUNTY-GOSHEN COUNTY-
CENTRAL LARAMIE COUNTY-EAST LARAMIE COUNTY-
INCLUDING THE CITIES OF...CHADRON...ALLIANCE...SCOTTSBLUFF...
GERING...HARRISBURG...BRIDGEPORT...BAYARD...KIMBALL...SIDNEY...
HARRISON...AGATE...DOUGLAS...GLENROCK...LUSK...GLENDO...
WHEATLAND...CHUGWATER...GUERNSEY...TORRINGTON...CHEYENNE...
BURNS...CARPENTER...ALBIN...PINE BLUFFS
350 AM MST SAT JAN 1 2011

...WIND CHILL ADVISORY IN EFFECT UNTIL NOON MST TODAY...
...WIND CHILL WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WIND CHILL
ADVISORY...WHICH IS IN EFFECT UNTIL NOON MST TODAY. THE WIND
CHILL WARNING HAS BEEN CANCELLED. 

* TIMING...THROUGH NOON TODAY. 

* WIND CHILL VALUES...15 BELOW TO 25 BELOW ZERO...GRADUALLY
  WARMING SATURDAY MORNING.

* OTHER IMPACTS...THE STRONG WINDS WILL ALSO PRODUCE AREAS OF
  BLOWING AND DRIFTING SNOW OVER THE AREA THIS MORNING. THE
  WINDS...BLOWING SNOW AND VERY COLD WIND CHILL VALUES WILL MAKE
  TRAVEL DIFFICULT IN PLACES AND OUTDOOR ACTIVITIES DANGEROUS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE WIND CHILL IS THE TEMPERATURE YOUR BODY FEELS WHEN THE AIR
TEMPERATURE IS COMBINED WITH THE WIND SPEED. WITH WIND CHILLS
BELOW MINUS 30 DEGREES...FROSTBITE CAN OCCUR IN AS LITTLE AS 5 TO
10 MINUTES. THE MOST SUSCEPTIBLE PARTS OF THE BODY ARE THE
EXTREME TIES SUCH AS FINGERS...TOES...EAR LOBES...OR THE TIP OF
THE NOSE. ANY OUTDOOR EXCURSIONS CAN BE DANGEROUS WITHOUT PROPER
ATTIRE.

&&

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE WIND CHILL IS THE TEMPERATURE YOUR BODY FEELS WHEN THE AIR
TEMPERATURE IS COMBINED WITH THE WIND SPEED. WITH WIND CHILLS IN
THE MINUS 20 TO 29 DEGREE RANGE FROSTBITE CAN OCCUR IN AS LITTLE
AS 30 MINUTES. THE MOST SUSCEPTIBLE PARTS OF THE BODY ARE THE
EXTREMITIES SUCH AS FINGERS...TOES...EAR LOBES...OR THE TIP OF
THE NOSE.

&&

$$

WYZ103-106-117-011900-
/O.NEW.KCYS.WC.Y.0001.110101T1050Z-110101T1900Z/
/O.CON.KCYS.WC.W.0004.000000T0000Z-110101T1900Z/
NORTH LARAMIE RANGE-
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
SOUTH LARAMIE RANGE FOOTHILLS-
INCLUDING THE CITIES OF...BORDEAUX...HORSE CREEK...HARRIMAN...
WHITAKER
350 AM MST SAT JAN 1 2011

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON MST TODAY...

THE WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON MST TODAY.

* TIMING...THROUGH NOON TODAY.

* WIND CHILL VALUES...25 BELOW TO 35 BELOW ZERO...GRADUALLY
  WARMING THIS MORNING.

* OTHER IMPACTS...THE STRONG WINDS WILL ALSO PRODUCE BLOWING AND
  DRIFTING SNOW OVER THE AREA THIS MORNING. THE WINDS...BLOWING
  SNOW AND VERY COLD WIND CHILL VALUES WILL MAKE TRAVEL DIFFICULT
  IN PLACES AND OUTDOOR ACTIVITIES DANGEROUS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE WIND CHILL IS THE TEMPERATURE YOUR BODY FEELS WHEN THE AIR
TEMPERATURE IS COMBINED WITH THE WIND SPEED. WITH WIND CHILLS
BELOW MINUS 30 DEGREES...FROSTBITE CAN OCCUR IN AS LITTLE AS 5 TO
10 MINUTES. THE MOST SUSCEPTIBLE PARTS OF THE BODY ARE THE
EXTREME TIES SUCH AS FINGERS...TOES...EAR LOBES...OR THE TIP OF
THE NOSE.  ANY OUTDOOR EXCURSIONS CAN BE DANGEROUS WITHOUT PROPER
ATTIRE.

&&

$$

WYZ104-105-109>116-011900-
/O.CON.KCYS.WC.W.0004.000000T0000Z-110101T1900Z/
FERRIS/SEMINOE/SHIRLEY MOUNTAINS-SHIRLEY BASIN-
CENTRAL CARBON COUNTY-NORTH SNOWY RANGE FOOTHILLS-
SOUTHWEST CARBON COUNTY-SIERRA MADRE RANGE-
UPPER NORTH PLATTE RIVER BASIN-SNOWY RANGE-LARAMIE VALLEY-
SOUTH LARAMIE RANGE-
INCLUDING THE CITIES OF...MUDDY GAP...MEDICINE BOW...RAWLINS...
SINCLAIR...HANNA...ARLINGTON...ELK MOUNTAIN...BAGGS...DIXON...
SARATOGA...ENCAMPMENT...RIVERSIDE...CENTENNIAL...ALBANY...
WOODS LANDING...LARAMIE...VEDAUWOO...BUFORD...PUMPKIN VINE
350 AM MST SAT JAN 1 2011

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON MST TODAY...

A WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON MST TODAY. 

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WIND CHILL
WARNING...WHICH IS IN EFFECT UNTIL NOON MST TODAY. 

* TIMING...THROUGH NOON TODAY.

* WIND CHILL VALUES...25 BELOW TO 35 BELOW ZERO...GRADUALLY
  WARMING THIS MORNING.

* OTHER IMPACTS...THE STRONG WINDS WILL ALSO PRODUCE BLOWING AND
  DRIFTING SNOW OVER THE AREA THIS MORNING. THE WINDS...BLOWING
  SNOW AND VERY COLD WIND CHILL VALUES WILL MAKE TRAVEL DIFFICULT
  IN PLACES AND OUTDOOR ACTIVITIES DANGEROUS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE WIND CHILL IS THE TEMPERATURE YOUR BODY FEELS WHEN THE AIR
TEMPERATURE IS COMBINED WITH THE WIND SPEED. WITH WIND CHILLS
BELOW MINUS 30 DEGREES...FROSTBITE CAN OCCUR IN AS LITTLE AS 5 TO
10 MINUTES. THE MOST SUSCEPTIBLE PARTS OF THE BODY ARE THE
EXTREME TIES SUCH AS FINGERS...TOES...EAR LOBES...OR THE TIP OF
THE NOSE.  ANY OUTDOOR EXCURSIONS CAN BE DANGEROUS WITHOUT PROPER
ATTIRE.

&&

$$

WEILAND
188 
WWUS45 KCYS 011723
WSWCYS

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
1023 AM MST SAT JAN 1 2011

WYZ103-106-117-011830-
/O.CAN.KCYS.WC.W.0004.000000T0000Z-110101T1900Z/
/O.CAN.KCYS.WC.Y.0001.000000T0000Z-110101T1900Z/
NORTH LARAMIE RANGE-
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
SOUTH LARAMIE RANGE FOOTHILLS-
INCLUDING THE CITIES OF...BORDEAUX...HORSE CREEK...HARRIMAN...
WHITAKER
1023 AM MST SAT JAN 1 2011

...WIND CHILL WARNING IS CANCELLED...
...WIND CHILL ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS CANCELLED THE WIND
CHILL WARNING. THE WIND CHILL ADVISORY HAS BEEN CANCELLED. 

THE WIND CHILL WARNINGS AND ADVISORIES HAVE BEEN CANCELLED. WITH
BREEZY CONDITIONS AND COLD TEMPERATURES GRADUALLY EASING ACROSS
THE AREA...WIND CHILLS CAN STILL BE EXPECTED TO BE ZERO TO 10
BELOW ZERO EAST OF THE LARAMIE RANGE TODAY. NEAR BORDEAUX ALONG
INTERSTATE 25...WINDS WILL BE STRONGER AND WIND CHILL VALUES WILL
STILL BE 10 BELOW TO 20 BELOW ZERO TODAY.

$$

WYZ104-105-109>116-011830-
/O.CAN.KCYS.WC.W.0004.000000T0000Z-110101T1900Z/
FERRIS/SEMINOE/SHIRLEY MOUNTAINS-SHIRLEY BASIN-
CENTRAL CARBON COUNTY-NORTH SNOWY RANGE FOOTHILLS-
SOUTHWEST CARBON COUNTY-SIERRA MADRE RANGE-
UPPER NORTH PLATTE RIVER BASIN-SNOWY RANGE-LARAMIE VALLEY-
SOUTH LARAMIE RANGE-
INCLUDING THE CITIES OF...MUDDY GAP...MEDICINE BOW...RAWLINS...
SINCLAIR...HANNA...ARLINGTON...ELK MOUNTAIN...BAGGS...DIXON...
SARATOGA...ENCAMPMENT...RIVERSIDE...CENTENNIAL...ALBANY...
WOODS LANDING...LARAMIE...VEDAUWOO...BUFORD...PUMPKIN VINE
1023 AM MST SAT JAN 1 2011

...WIND CHILL WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS CANCELLED THE WIND
CHILL WARNING. 

THE WIND CHILL WARNINGS HAVE BEEN CANCELLED. WITH BREEZY
CONDITIONS AND COLD TEMPERATURES GRADUALLY EASING ACROSS THE
AREA...WIND CHILLS CAN STILL BE EXPECTED TO BE 10 BELOW TO 20
BELOW ZERO TODAY...WITH SLIGHTLY LOWER VALUES EXPECTED ON EXPOSED
AREAS OF THE HIGHEST TERRAIN.

$$

NEZ002-003-019>021-054-055-095-096-WYZ101-102-107-108-118-119-
011830-
/O.CAN.KCYS.WC.Y.0001.000000T0000Z-110101T1900Z/
DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE-
NORTH SIOUX-SOUTH SIOUX-CONVERSE COUNTY LOWER ELEVATIONS-
NIOBRARA COUNTY-EAST PLATTE COUNTY-GOSHEN COUNTY-
CENTRAL LARAMIE COUNTY-EAST LARAMIE COUNTY-
INCLUDING THE CITIES OF...CHADRON...ALLIANCE...SCOTTSBLUFF...
GERING...HARRISBURG...BRIDGEPORT...BAYARD...KIMBALL...SIDNEY...
HARRISON...AGATE...DOUGLAS...GLENROCK...LUSK...GLENDO...
WHEATLAND...CHUGWATER...GUERNSEY...TORRINGTON...CHEYENNE...
BURNS...CARPENTER...ALBIN...PINE BLUFFS
1023 AM MST SAT JAN 1 2011

...WIND CHILL ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS CANCELLED THE WIND
CHILL ADVISORY. 

THE WIND CHILL ADVISORIES HAVE BEEN CANCELLED. WITH BREEZY
CONDITIONS AND COLD TEMPERATURES GRADUALLY EASING ACROSS THE
AREA...WIND CHILLS CAN STILL BE EXPECTED TO BE ZERO TO 10 BELOW
ZERO EAST OF THE LARAMIE RANGE TODAY.

$$

CARPENTER

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 1, 3:50 AM MSTWind Chill AdvisoryCYSAlbany, Converse, Goshen, Laramie, Niobrara, Platte7 hr
Jan 1, 3:59 AM MSTHigh Wind WatchCYSAlbany, Carbon, Laramie, Platte6 hr
Jan 1, 10:27 AM MSTHigh Wind WarningCYSAlbany, Carbon, Laramie, Platte26 hr

Nearby

Wind Chill Warnings in Nebraska, 2011Wind Chill Warnings in Wyoming, 2011Every wind chill warning in 2011

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.