Alert archive / Nebraska / Wind Chill Advisories in 2021

Wind Chill Advisory 2, NWS North Platte, NE

February 8, 202121 counties in Nebraska

NWS North Platte, NE issued this wind chill advisory at Feb 8, 2021, 2:06 PM MST for 21 counties in Nebraska. It took effect at Feb 8, 2021, 7:41 PM MST. It was in force for 13 hr.

The area

The counties it named.

The facts

Issued
Feb 8, 2021, 2:06 PM MST (21:06 UTC)
In effect from
Feb 8, 2021, 7:41 PM MST
Expired
Feb 9, 2021, 9:00 AM MST
In force
13 hr
Issued by
NWS North Platte, NE
All 21 counties

Arthur County, NE, Blaine County, NE, Chase County, NE, Cherry County, NE, Custer County, NE, Deuel County, NE, Frontier County, NE, Garden County, NE, Garfield County, NE, Grant County, NE, Hayes County, NE, Hooker County, NE, Keith County, NE, Lincoln County, NE, Logan County, NE, Loup County, NE, McPherson County, NE, Perkins County, NE, Sheridan County, NE, Thomas County, NE, Wheeler County, NE

The radar

The North Platte radar (KLNX), 55 km from the middle of the area, began a volume at 21:06 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 12:00Z, 9.1 hours before the alert went out and 50 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 12:00Z on 2021-02-08Temperature 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 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 12:00Z on 2021-02-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -23 square meters per square second.1939587897117136Sfc1 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
806 m above ground
0-6 km bulk shear
96 kt
0-1 km storm-relative helicity
-23 m²/s²
0-3 km storm-relative helicity
344 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

021 
WWUS43 KLBF 082106
WSWLBF

URGENT - WINTER WEATHER MESSAGE
National Weather Service North Platte NE
306 PM CST Mon Feb 8 2021


NEZ004-022>029-035>038-056>059-069>071-094-091200-
/O.NEW.KLBF.WC.Y.0002.210209T0600Z-210209T1600Z/
Sheridan-Garden-Grant-Hooker-Thomas-Blaine-Loup-Garfield-Wheeler-
Arthur-McPherson-Logan-Custer-Deuel-Keith-Perkins-Lincoln-Chase-
Hayes-Frontier-Western Cherry-
Including the cities of Gordon, Rushville, Oshkosh, Lewellen, 
Hyannis, Mullen, Thedford, Halsey, Dunning, Purdum, Brewster, 
Taylor, Burwell, Bartlett, Ericson, Arthur, Tryon, Ringgold, 
Stapleton, Broken Bow, Chappell, Big Springs, Ogallala, Paxton, 
Grant, North Platte, Champion, Enders, Imperial, Wauneta, 
Hayes Center, Curtis, Eustis, Maywood, Cody, Eli, Merriman, 
and Kilgore
306 PM CST Mon Feb 8 2021 /206 PM MST Mon Feb 8 2021/

...WIND CHILL ADVISORY IN EFFECT FROM MIDNIGHT CST /11 PM MST/
TONIGHT TO 10 AM CST /9 AM MST/ TUESDAY...

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

* WHERE...Portions of the panhandle, southwest and west central 
  Nebraska.

* WHEN...From midnight CST /11 PM MST/ tonight to 10 AM CST /9 
  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. 

&&

$$

For more information from the National Weather Service visit
http://weather.gov/lbf
3 follow-up statements
914 
WWUS43 KLBF 090241
WSWLBF

URGENT - WINTER WEATHER MESSAGE
National Weather Service North Platte NE
841 PM CST Mon Feb 8 2021


NEZ004-022>029-035>038-056>059-069>071-094-091045-
/O.EXT.KLBF.WC.Y.0002.210209T0241Z-210209T1600Z/
Sheridan-Garden-Grant-Hooker-Thomas-Blaine-Loup-Garfield-Wheeler-
Arthur-McPherson-Logan-Custer-Deuel-Keith-Perkins-Lincoln-Chase-
Hayes-Frontier-Western Cherry-
Including the cities of Gordon, Rushville, Oshkosh, Lewellen, 
Hyannis, Mullen, Thedford, Halsey, Dunning, Purdum, Brewster, 
Taylor, Burwell, Bartlett, Ericson, Arthur, Tryon, Ringgold, 
Stapleton, Broken Bow, Chappell, Big Springs, Ogallala, Paxton, 
Grant, North Platte, Champion, Enders, Imperial, Wauneta, 
Hayes Center, Curtis, Eustis, Maywood, Cody, Eli, Merriman, 
and Kilgore
841 PM CST Mon Feb 8 2021 /741 PM MST Mon Feb 8 2021/

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL 10 AM CST /9 AM MST/
TUESDAY...

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

* WHERE...Portions of the panhandle, southwest and west central 
  Nebraska.

* WHEN...Until 10 AM CST /9 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. 

&&

$$

For more information from the National Weather Service visit
http://weather.gov/lbf
666 
WWUS43 KLBF 090941 AAA
WSWLBF

URGENT - WINTER WEATHER MESSAGE...UPDATED
National Weather Service North Platte NE
341 AM CST Tue Feb 9 2021

...HAZARDOUS WIND CHILL VALUES THIS MORNING...

.Subzero temperatures and light winds will combine to produce wind
chill readings around 20 below zero across parts of western and 
north central Nebraska this morning.

NEZ022>024-035-036-056>059-069>071-091045-
/O.CAN.KLBF.WC.Y.0002.000000T0000Z-210209T1600Z/
Garden-Grant-Hooker-Arthur-McPherson-Deuel-Keith-Perkins-Lincoln-
Chase-Hayes-Frontier-
Including the cities of Oshkosh, Lewellen, Hyannis, Mullen, 
Arthur, Tryon, Ringgold, Chappell, Big Springs, Ogallala, Paxton,
Grant, North Platte, Champion, Enders, Imperial, Wauneta, 
Hayes Center, Curtis, Eustis, and Maywood
341 AM CST Tue Feb 9 2021 /241 AM MST Tue Feb 9 2021/

...WIND CHILL ADVISORY IS CANCELLED...

Temperatures have risen to around zero and wind speeds have
decreased. The threat of hazardous wind chill values has ended in
this area.

$$

NEZ004-025>029-037-038-094-091600-
/O.CON.KLBF.WC.Y.0002.000000T0000Z-210209T1600Z/
Sheridan-Thomas-Blaine-Loup-Garfield-Wheeler-Logan-Custer-
Western Cherry-
Including the cities of Gordon, Rushville, Thedford, Halsey, 
Dunning, Purdum, Brewster, Taylor, Burwell, Bartlett, Ericson, 
Stapleton, Broken Bow, Cody, Eli, Merriman, and Kilgore
341 AM CST Tue Feb 9 2021 /241 AM MST Tue Feb 9 2021/

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM CST /9 AM
MST/ THIS MORNING...

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

* WHERE...Portions of central, north central, panhandle and west 
  central Nebraska.

* WHEN...Until 10 AM CST /9 AM MST/ this morning.

* 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. 

&&

$$

For more information from the National Weather Service visit
http://weather.gov/lbf
100 
WWUS43 KLBF 091602
WSWLBF

URGENT - WINTER WEATHER MESSAGE
National Weather Service North Platte NE
1002 AM CST Tue Feb 9 2021


NEZ004-025>029-037-038-094-091715-
/O.EXP.KLBF.WC.Y.0002.000000T0000Z-210209T1600Z/
Sheridan-Thomas-Blaine-Loup-Garfield-Wheeler-Logan-Custer-
Western Cherry-
Including the cities of Gordon, Rushville, Thedford, Halsey, 
Dunning, Purdum, Brewster, Taylor, Burwell, Bartlett, Ericson, 
Stapleton, Broken Bow, Cody, Eli, Merriman, and Kilgore
1002 AM CST Tue Feb 9 2021 /902 AM MST Tue Feb 9 2021/

...WIND CHILL ADVISORY HAS EXPIRED...

Temperatures have risen significantly over the past couple hours and
wind chills are now above advisory criteria. While temperatures 
and wind chills are no longer reaching advisory levels and
temperatures will continue to rise throughout the day, 
temperatures will still remain quite cold. Surface temperatures 
will only rise into the single digits this afternoon with wind 
chills remaining in the negative single digits for most locations.

$$

For more information from the National Weather Service visit
http://weather.gov/lbf

The office that day

Everything else NWS North Platte, NE issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 8, 2:20 AM MSTWind Chill AdvisoryLBFArthur, Blaine, Boyd, Brown, Chase, Cherry and 20 more7 hr
Feb 8, 4:51 AM MSTAreal Flood AdvisoryLBFLoup39 hr

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.