Alert archive / South Dakota / Wind Chill Warnings in 2021

Wind Chill Warning 3, NWS Aberdeen, SD

February 15, 202126 counties in South Dakota; Big Stone County, Traverse County, Minnesota

NWS Aberdeen, SD issued this wind chill warning at Feb 15, 2021, 11:30 AM CST for 26 counties in South Dakota; Big Stone County, Traverse County, Minnesota. It took effect at Feb 15, 2021, 6:00 PM CST. It was in force for 15 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
Feb 15, 2021, 11:30 AM CST (17:30 UTC)
In effect from
Feb 15, 2021, 6:00 PM CST
Expired
Feb 16, 2021, 9:00 AM CST
In force
15 hr
Issued by
NWS Aberdeen, SD
All 28 counties

Big Stone County, MN, Traverse County, MN, Brown County, SD, Buffalo County, SD, Campbell County, SD, Clark County, SD, Codington County, SD, Corson County, SD, Day County, SD, Deuel County, SD, Dewey County, SD, Edmunds County, SD, Faulk County, SD, Grant County, SD, Hamlin County, SD, Hand County, SD, Hughes County, SD, Hyde County, SD, Jones County, SD, Lyman County, SD, Marshall County, SD, McPherson County, SD, Potter County, SD, Roberts County, SD, Spink County, SD, Stanley County, SD, Sully County, SD, Walworth County, SD

The radar

The Aberdeen radar (KABR), 56 km from the middle of the area, began a volume at 17:34 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

Aberdeen, SD (KABR), launched 12:00Z, 5.5 hours before the alert went out and 34 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, Aberdeen, SD at 12:00Z 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, Aberdeen, SD at 12:00Z on 2021-02-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 18 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
1015 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
18 m²/s²
0-3 km storm-relative helicity
-8 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

467 
WWUS43 KABR 151730
WSWABR

URGENT - WINTER WEATHER MESSAGE
National Weather Service Aberdeen SD
1130 AM CST Mon Feb 15 2021

MNZ039-046-SDZ003>011-015>023-160130-
/O.CAN.KABR.WC.W.0002.000000T0000Z-210216T1500Z/
/O.NEW.KABR.WC.W.0003.210216T0000Z-210216T1800Z/
Traverse-Big Stone-Corson-Campbell-McPherson-Brown-Marshall-
Roberts-Walworth-Edmunds-Day-Dewey-Potter-Faulk-Spink-Clark-
Codington-Grant-Hamlin-Deuel-
Including the cities of Wheaton, Ortonville, McIntosh, Herreid, 
Eureka, Aberdeen, Britton, Sisseton, Mobridge, Ipswich, Webster, 
Isabel, Gettysburg, Faulkton, Redfield, Clark, Watertown, 
Milbank, Hayti, and Clear Lake
1130 AM CST Mon Feb 15 2021 /1030 AM MST Mon Feb 15 2021/

...WIND CHILL WARNING IN EFFECT FROM 6 PM CST /5 PM MST/ THIS
EVENING TO NOON CST /11 AM MST/ TUESDAY...

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

* WHERE...Portions of north central and northeast South Dakota 
  and west central Minnesota.

* WHEN...From 6 PM CST /5 PM MST/ this evening to noon CST /11 
  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. 

&&

$$

SDZ033>037-045-048-051-160130-
/O.CAN.KABR.WC.W.0002.000000T0000Z-210216T1500Z/
/O.NEW.KABR.WC.W.0003.210216T0000Z-210216T1800Z/
Stanley-Sully-Hughes-Hyde-Hand-Jones-Lyman-Buffalo-
Including the cities of Fort Pierre, Onida, Pierre, Highmore, 
Miller, Murdo, Kennebec, and Fort Thompson
1130 AM CST Mon Feb 15 2021 /1030 AM MST Mon Feb 15 2021/

...WIND CHILL WARNING IN EFFECT FROM 6 PM CST /5 PM MST/ THIS
EVENING TO NOON CST /11 AM MST/ TUESDAY...

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

* WHERE...Portions of central South Dakota.

* WHEN...From 6 PM CST /5 PM MST/ this evening to noon CST /11 
  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. 

&&

$$

Dorn
3 follow-up statements
652 
WWUS43 KABR 160032
WSWABR

URGENT - WINTER WEATHER MESSAGE
National Weather Service Aberdeen SD
632 PM CST Mon Feb 15 2021

MNZ039-046-SDZ003>011-015>023-161000-
/O.CON.KABR.WC.W.0003.000000T0000Z-210216T1800Z/
Traverse-Big Stone-Corson-Campbell-McPherson-Brown-Marshall-
Roberts-Walworth-Edmunds-Day-Dewey-Potter-Faulk-Spink-Clark-
Codington-Grant-Hamlin-Deuel-
Including the cities of Wheaton, Ortonville, McIntosh, Herreid, 
Eureka, Aberdeen, Britton, Sisseton, Mobridge, Ipswich, Webster, 
Isabel, Gettysburg, Faulkton, Redfield, Clark, Watertown, 
Milbank, Hayti, and Clear Lake
632 PM CST Mon Feb 15 2021 /532 PM MST Mon Feb 15 2021/

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON CST /11 AM
MST/ TUESDAY...

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

* WHERE...Portions of north central and northeast South Dakota 
  and west central Minnesota.

* WHEN...Until noon CST /11 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. 

&&

$$

SDZ033>037-045-048-051-161000-
/O.CON.KABR.WC.W.0003.000000T0000Z-210216T1800Z/
Stanley-Sully-Hughes-Hyde-Hand-Jones-Lyman-Buffalo-
Including the cities of Fort Pierre, Onida, Pierre, Highmore, 
Miller, Murdo, Kennebec, and Fort Thompson
632 PM CST Mon Feb 15 2021 /532 PM MST Mon Feb 15 2021/

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON CST /11 AM
MST/ TUESDAY...

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

* WHERE...Portions of central South Dakota.

* WHEN...Until noon CST /11 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. 

&&

$$
597 
WWUS43 KABR 160902
WSWABR

URGENT - WINTER WEATHER MESSAGE
National Weather Service Aberdeen SD
302 AM CST Tue Feb 16 2021

MNZ039-046-SDZ003>011-015>023-161500-
/O.EXT.KABR.WC.W.0003.000000T0000Z-210216T1500Z/
Traverse-Big Stone-Corson-Campbell-McPherson-Brown-Marshall-
Roberts-Walworth-Edmunds-Day-Dewey-Potter-Faulk-Spink-Clark-
Codington-Grant-Hamlin-Deuel-
Including the cities of Wheaton, Ortonville, McIntosh, Herreid, 
Eureka, Aberdeen, Britton, Sisseton, Mobridge, Ipswich, Webster, 
Isabel, Gettysburg, Faulkton, Redfield, Clark, Watertown, 
Milbank, Hayti, and Clear Lake
302 AM CST Tue Feb 16 2021 /202 AM MST Tue Feb 16 2021/

...WIND CHILL WARNING NOW IN EFFECT UNTIL 9 AM CST /8 AM MST/
THIS MORNING...

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

* WHERE...Portions of north central and northeast South Dakota 
  and west central Minnesota.

* WHEN...Until 9 AM CST /8 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. 

&&

$$

SDZ033>037-045-048-051-161500-
/O.EXT.KABR.WC.W.0003.000000T0000Z-210216T1500Z/
Stanley-Sully-Hughes-Hyde-Hand-Jones-Lyman-Buffalo-
Including the cities of Fort Pierre, Onida, Pierre, Highmore, 
Miller, Murdo, Kennebec, and Fort Thompson
302 AM CST Tue Feb 16 2021 /202 AM MST Tue Feb 16 2021/

...WIND CHILL WARNING NOW IN EFFECT UNTIL 9 AM CST /8 AM MST/
THIS MORNING...

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

* WHERE...Portions of central South Dakota.

* WHEN...Until 9 AM CST /8 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. 

&&

$$

Parkin
523 
WWUS43 KABR 161454
WSWABR

URGENT - WINTER WEATHER MESSAGE
National Weather Service Aberdeen SD
854 AM CST Tue Feb 16 2021

MNZ039-046-SDZ003>011-015>023-161600-
/O.EXP.KABR.WC.W.0003.000000T0000Z-210216T1500Z/
Traverse-Big Stone-Corson-Campbell-McPherson-Brown-Marshall-
Roberts-Walworth-Edmunds-Day-Dewey-Potter-Faulk-Spink-Clark-
Codington-Grant-Hamlin-Deuel-
Including the cities of Wheaton, Ortonville, McIntosh, Herreid, 
Eureka, Aberdeen, Britton, Sisseton, Mobridge, Ipswich, Webster, 
Isabel, Gettysburg, Faulkton, Redfield, Clark, Watertown, 
Milbank, Hayti, and Clear Lake
854 AM CST Tue Feb 16 2021 /754 AM MST Tue Feb 16 2021/

...WIND CHILL WARNING WILL EXPIRE AT 9 AM CST /8 AM MST/ THIS
MORNING...

Wind chills of 30 to 40 below zero may linger for another hour or
two in some areas, but conditions will quickly improve thereafter.
Therefore, the warning will be allowed to expire. 

$$

SDZ033>037-045-048-051-161600-
/O.EXP.KABR.WC.W.0003.000000T0000Z-210216T1500Z/
Stanley-Sully-Hughes-Hyde-Hand-Jones-Lyman-Buffalo-
Including the cities of Fort Pierre, Onida, Pierre, Highmore, 
Miller, Murdo, Kennebec, and Fort Thompson
854 AM CST Tue Feb 16 2021 /754 AM MST Tue Feb 16 2021/

...WIND CHILL WARNING WILL EXPIRE AT 9 AM CST /8 AM MST/ THIS
MORNING...

Wind chills of 25 to 35 below zero may linger for another hour or
two in some areas, but conditions will quickly improve 
thereafter. Therefore, the warning will be allowed to expire.

$$

Nearby

Wind Chill Warnings in South Dakota, 2021Wind Chill Warnings in Minnesota, 2021Every wind chill warning 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.