Alert archive / Minnesota / Wind Chill Advisories in 2021

Wind Chill Advisory 1, NWS Sioux Falls, SD

February 6, 20218 counties in Minnesota; 5 counties in Iowa; 4 counties in South Dakota

NWS Sioux Falls, SD issued this wind chill advisory at Feb 6, 2021, 3:03 AM CST for 8 counties in Minnesota; 5 counties in Iowa; 4 counties in South Dakota. It took effect at Feb 6, 2021, 6:00 AM CST. It was in force for 30 hr.

The area

The counties it named.

The facts

Issued
Feb 6, 2021, 3:03 AM CST (09:03 UTC)
In effect from
Feb 6, 2021, 6:00 AM CST
Expired
Feb 7, 2021, 12:00 PM CST
In force
30 hr
Issued by
NWS Sioux Falls, SD

Counties Buena Vista County, IA, Clay County, IA, Dickinson County, IA, O'Brien County, IA, Osceola County, IA, Cottonwood County, MN, Jackson County, MN, Lincoln County, MN, Lyon County, MN, Murray County, MN, Nobles County, MN, Pipestone County, MN, Rock County, MN, Brookings County, SD, Kingsbury County, SD, Lake County, SD, Moody County, SD

The radar

The Sioux Falls radar (KFSD), 66 km from the middle of the area, began a volume at 09:06 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

Minneapolis, MN (KMPX), launched 00:00Z, 9.1 hours before the alert went out and 222 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, Minneapolis, MN at 00:00Z on 2021-02-06Temperature 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, Minneapolis, MN at 00:00Z on 2021-02-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 157 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
904 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
157 m²/s²
0-3 km storm-relative helicity
136 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

455 
WWUS43 KFSD 060903
WSWFSD

URGENT - WINTER WEATHER MESSAGE
National Weather Service Sioux Falls SD
303 AM CST Sat Feb 6 2021

MNZ071-072-080-081-062100-
/O.NEW.KFSD.WC.Y.0001.210206T1200Z-210207T1800Z/
Lincoln-Lyon-Murray-Cottonwood-
303 AM CST Sat Feb 6 2021

...WIND CHILL ADVISORY IN EFFECT UNTIL NOON CST SUNDAY...

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

* WHERE...Lincoln, Lyon, Murray and Cottonwood Counties.

* WHEN...Until noon CST Sunday.

* 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. 

&&

$$

IAZ002-003-013-014-022-MNZ089-090-097-098-SDZ040-056-062100-
/O.NEW.KFSD.WC.Y.0001.210207T0000Z-210207T1800Z/
Osceola-Dickinson-O'Brien-Clay-Buena Vista-Nobles-Jackson-
Pipestone-Rock-Brookings-Moody-
303 AM CST Sat Feb 6 2021

...WIND CHILL ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO NOON
CST SUNDAY...

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

* WHERE...Portions of east central South Dakota, northwest Iowa 
  and southwest Minnesota.

* WHEN...From 6 PM this evening to noon CST Sunday.

* 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. 

&&

$$

For more information from the National Weather Service visit
https://weather.gov/siouxfalls
5 follow-up statements
583 
WWUS43 KFSD 061952
WSWFSD

URGENT - WINTER WEATHER MESSAGE
National Weather Service Sioux Falls SD
152 PM CST Sat Feb 6 2021

SDZ039-055-070500-
/O.EXA.KFSD.WC.Y.0001.210207T0000Z-210207T1800Z/
Kingsbury-Lake-
152 PM CST Sat Feb 6 2021

...WIND CHILL ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO NOON
CST SUNDAY...

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

* WHERE...Kingsbury and Lake Counties.

* WHEN...From 6 PM this evening to noon CST Sunday.

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

* ADDITIONAL DETAILS...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

MNZ071-072-080-081-070500-
/O.CON.KFSD.WC.Y.0001.000000T0000Z-210207T1800Z/
Lincoln-Lyon-Murray-Cottonwood-
152 PM CST Sat Feb 6 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST SUNDAY...

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

* WHERE...Lincoln, Lyon, Murray and Cottonwood Counties.

* WHEN...Until noon CST Sunday.

* 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. 

&&

$$

IAZ002-003-013-014-022-MNZ089-090-097-098-SDZ040-056-070500-
/O.CON.KFSD.WC.Y.0001.210207T0000Z-210207T1800Z/
Osceola-Dickinson-O'Brien-Clay-Buena Vista-Nobles-Jackson-
Pipestone-Rock-Brookings-Moody-
152 PM CST Sat Feb 6 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO NOON CST SUNDAY...

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

* WHERE...Portions of east central South Dakota, northwest Iowa 
  and southwest Minnesota.

* WHEN...From 6 PM this evening to noon CST Sunday.

* 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. 

&&

$$

For more information from the National Weather Service visit
https://weather.gov/siouxfalls
622 
WWUS43 KFSD 070249
WSWFSD

URGENT - WINTER WEATHER MESSAGE
National Weather Service Sioux Falls SD
849 PM CST Sat Feb 6 2021

MNZ071-072-080-081-071100-
/O.CON.KFSD.WC.Y.0001.000000T0000Z-210207T1800Z/
Lincoln-Lyon-Murray-Cottonwood-
849 PM CST Sat Feb 6 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST SUNDAY...

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

* WHERE...Lincoln, Lyon, Murray and Cottonwood Counties.

* WHEN...Until noon CST Sunday.

* 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.

&&

$$

IAZ002-003-013-014-022-MNZ089-090-097-098-SDZ039-040-055-056-
071100-
/O.CON.KFSD.WC.Y.0001.000000T0000Z-210207T1800Z/
Osceola-Dickinson-O'Brien-Clay-Buena Vista-Nobles-Jackson-
Pipestone-Rock-Kingsbury-Brookings-Lake-Moody-
849 PM CST Sat Feb 6 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST SUNDAY...

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

* WHERE...Portions of east central South Dakota, northwest Iowa 
  and southwest Minnesota.

* WHEN...From 6 PM this evening to noon CST Sunday.

* 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.

&&

$$

For more information from the National Weather Service visit
https://weather.gov/siouxfalls
681 
WWUS43 KFSD 070930
WSWFSD

URGENT - WINTER WEATHER MESSAGE
National Weather Service Sioux Falls SD
330 AM CST Sun Feb 7 2021

MNZ071-072-080-081-071800-
/O.CON.KFSD.WC.Y.0001.000000T0000Z-210207T1800Z/
Lincoln-Lyon-Murray-Cottonwood-
330 AM CST Sun Feb 7 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY...

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

* WHERE...Lincoln, Cottonwood, Murray and Lyon Counties.

* WHEN...Until noon CST today.

* 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. 

&&

$$

IAZ002-003-013-014-022-MNZ089-090-097-098-SDZ039-040-055-056-
071800-
/O.CON.KFSD.WC.Y.0001.000000T0000Z-210207T1800Z/
Osceola-Dickinson-O'Brien-Clay-Buena Vista-Nobles-Jackson-
Pipestone-Rock-Kingsbury-Brookings-Lake-Moody-
330 AM CST Sun Feb 7 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY...

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

* WHERE...Portions of east central South Dakota, northwest Iowa 
  and southwest Minnesota.

* WHEN...Until noon CST today.

* 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
https://weather.gov/siouxfalls
364 
WWUS43 KFSD 071548
WSWFSD

URGENT - WINTER WEATHER MESSAGE
National Weather Service Sioux Falls SD
948 AM CST Sun Feb 7 2021

IAZ002-003-013-014-022-MNZ089-090-097-098-SDZ039-040-055-056-
071700-
/O.CAN.KFSD.WC.Y.0001.000000T0000Z-210207T1800Z/
Osceola-Dickinson-O'Brien-Clay-Buena Vista-Nobles-Jackson-
Pipestone-Rock-Kingsbury-Brookings-Lake-Moody-
948 AM CST Sun Feb 7 2021

...WIND CHILL ADVISORY IS CANCELLED...

With temperatures rising, wind chill values have moved out of 
advisory criteria...therefore the wind chill advisory has been 
cancelled prior to the expiration time.

$$

MNZ071-072-080-081-071800-
/O.CON.KFSD.WC.Y.0001.000000T0000Z-210207T1800Z/
Lincoln-Lyon-Murray-Cottonwood-
948 AM CST Sun Feb 7 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY...

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

* WHERE...Lincoln, Cottonwood, Murray and Lyon Counties.

* WHEN...Until noon CST today.

* 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
https://weather.gov/siouxfalls
991 
WWUS43 KFSD 071751
WSWFSD

URGENT - WINTER WEATHER MESSAGE
National Weather Service Sioux Falls SD
1151 AM CST Sun Feb 7 2021

MNZ071-072-080-081-071900-
/O.EXP.KFSD.WC.Y.0001.000000T0000Z-210207T1800Z/
Lincoln-Lyon-Murray-Cottonwood-
1151 AM CST Sun Feb 7 2021

...WIND CHILL ADVISORY WILL EXPIRE AT NOON CST TODAY...

With temperatures rising, wind chill values have moved out of 
advisory criteria...therefore allowing the advisory to expire.

$$

For more information from the National Weather Service visit
https://weather.gov/siouxfalls

Nearby

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