Alert archive / South Dakota / Wind Chill Advisories in 2021

Wind Chill Advisory 2, NWS Aberdeen, SD

February 8, 202118 counties in South Dakota; Big Stone County, Traverse County, Minnesota

NWS Aberdeen, SD issued this wind chill advisory at Feb 8, 2021, 2:40 AM CST for 18 counties in South Dakota; Big Stone County, Traverse County, Minnesota. It took effect at Feb 9, 2021, 12:00 AM CST. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued
Feb 8, 2021, 2:40 AM CST (08:40 UTC)
In effect from
Feb 9, 2021, 12:00 AM CST
Expired
Feb 9, 2021, 10:16 AM CST
In force
10 hr
Issued by
NWS Aberdeen, SD

Counties Big Stone County, MN, Traverse County, MN, Brown 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, Marshall County, SD, McPherson County, SD, Potter County, SD, Roberts County, SD, Spink County, SD, Walworth County, SD

The radar

The Aberdeen radar (KABR), 16 km from the middle of the area, began a volume at 08:45 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 00:00Z, 8.7 hours before the alert went out and 46 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 00:00Z 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, Aberdeen, SD at 00:00Z on 2021-02-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -6 square meters per square second.19395878Sfc1 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
824 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
-6 m²/s²
0-3 km storm-relative helicity
171 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

065 
WWUS43 KABR 080840
WSWABR

URGENT - WINTER WEATHER MESSAGE
National Weather Service Aberdeen SD
240 AM CST Mon Feb 8 2021

MNZ039-046-SDZ003>008-010-011-081645-
/O.NEW.KABR.WC.Y.0002.210209T0600Z-210209T1700Z/
Traverse-Big Stone-Corson-Campbell-McPherson-Brown-Marshall-
Roberts-Edmunds-Day-
Including the cities of Wheaton, Ortonville, McIntosh, Herreid, 
Eureka, Aberdeen, Britton, Sisseton, Ipswich, and Webster
240 AM CST Mon Feb 8 2021 /140 AM MST Mon Feb 8 2021/

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

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

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

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

* 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. 

&&

$$

KF
5 follow-up statements
522 
WWUS43 KABR 081659
WSWABR

URGENT - WINTER WEATHER MESSAGE
National Weather Service Aberdeen SD
1059 AM CST Mon Feb 8 2021

MNZ039-046-SDZ003>008-010-011-090100-
/O.CON.KABR.WC.Y.0002.210209T0600Z-210209T1700Z/
Traverse-Big Stone-Corson-Campbell-McPherson-Brown-Marshall-
Roberts-Edmunds-Day-
Including the cities of Wheaton, Ortonville, McIntosh, Herreid, 
Eureka, Aberdeen, Britton, Sisseton, Ipswich, and Webster
1059 AM CST Mon Feb 8 2021 /959 AM MST Mon Feb 8 2021/

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

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

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

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

* 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. 

&&

$$
872 
WWUS43 KABR 081908
WSWABR

URGENT - WINTER WEATHER MESSAGE
National Weather Service Aberdeen SD
108 PM CST Mon Feb 8 2021

SDZ009-015>023-090315-
/O.EXA.KABR.WC.Y.0002.210209T0600Z-210209T1700Z/
Walworth-Dewey-Potter-Faulk-Spink-Clark-Codington-Grant-Hamlin-
Deuel-
Including the cities of Mobridge, Isabel, Gettysburg, Faulkton, 
Redfield, Clark, Watertown, Milbank, Hayti, and Clear Lake
108 PM CST Mon Feb 8 2021 /1208 PM MST Mon Feb 8 2021/

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

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

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

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

* 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. 

&&

$$

MNZ039-046-SDZ003>008-010-011-090315-
/O.CON.KABR.WC.Y.0002.210209T0600Z-210209T1700Z/
Traverse-Big Stone-Corson-Campbell-McPherson-Brown-Marshall-
Roberts-Edmunds-Day-
Including the cities of Wheaton, Ortonville, McIntosh, Herreid, 
Eureka, Aberdeen, Britton, Sisseton, Ipswich, and Webster
108 PM CST Mon Feb 8 2021 /1208 PM MST Mon Feb 8 2021/

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

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

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

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

* 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. 

&&

$$

Parkin
403 
WWUS43 KABR 090238 AAA
WSWABR

URGENT - WINTER WEATHER MESSAGE...UPDATED
National Weather Service Aberdeen SD
838 PM CST Mon Feb 8 2021

MNZ039-046-SDZ003>011-015>023-091045-
/O.CON.KABR.WC.Y.0002.210209T0600Z-210209T1700Z/
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
838 PM CST Mon Feb 8 2021 /738 PM MST Mon Feb 8 2021/

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

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

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

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

* 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.

&&

$$

Mohr
163 
WWUS43 KABR 091020 AAB
WSWABR

URGENT - WINTER WEATHER MESSAGE...UPDATED
National Weather Service Aberdeen SD
420 AM CST Tue Feb 9 2021

MNZ039-046-SDZ003>011-015>023-091700-
/O.CON.KABR.WC.Y.0002.000000T0000Z-210209T1700Z/
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
420 AM CST Tue Feb 9 2021 /320 AM MST Tue Feb 9 2021/

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 11 AM CST /10 AM
MST/ THIS MORNING...

* WHAT...Very cold wind chills. Wind chills as low as 30 below 
  zero.

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

* WHEN...Until 11 AM CST /10 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. 

&&

$$

SD
785 
WWUS43 KABR 091616
WSWABR

URGENT - WINTER WEATHER MESSAGE
National Weather Service Aberdeen SD
1016 AM CST Tue Feb 9 2021

MNZ039-046-SDZ003>011-015>023-091730-
/O.CAN.KABR.WC.Y.0002.000000T0000Z-210209T1700Z/
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
1016 AM CST Tue Feb 9 2021 /916 AM MST Tue Feb 9 2021/

...WIND CHILL ADVISORY IS CANCELLED...

Conditions have improved across the area as temperatures continue
to rise, therefore the Wind Chill Advisory has been cancelled.

$$

Parkin

Nearby

Wind Chill Advisories in South Dakota, 2021Wind Chill Advisories in Minnesota, 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.