Alert archive / South Dakota / Wind Chill Advisories in 2021

Wind Chill Advisory 6, NWS Sioux Falls, SD

February 13, 2021Dakota County, Dixon County, Nebraska; 7 counties in South Dakota; Plymouth County, Woodbury County, Iowa

NWS Sioux Falls, SD issued this wind chill advisory at Feb 13, 2021, 3:35 AM CST for Dakota County, Dixon County, Nebraska; 7 counties in South Dakota; Plymouth County, Woodbury County, Iowa. It took effect at Feb 13, 2021, 9:00 PM CST. It was in force for 13 hr.

The area

The counties it named.

The facts

Issued
Feb 13, 2021, 3:35 AM CST (09:35 UTC)
In effect from
Feb 13, 2021, 9:00 PM CST
Expired
Feb 14, 2021, 9:31 AM CST
In force
13 hr
Issued by
NWS Sioux Falls, SD

Counties Plymouth County, IA, Woodbury County, IA, Dakota County, NE, Dixon County, NE, Bon Homme County, SD, Brule County, SD, Charles Mix County, SD, Clay County, SD, Gregory County, SD, Union County, SD, Yankton County, SD

The radar

The Sioux Falls radar (KFSD), 94 km from the middle of the area, began a volume at 09:36 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

Omaha, NE (KOAX), launched 00:00Z, 9.6 hours before the alert went out and 195 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, Omaha, NE at 00:00Z on 2021-02-13Temperature 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, Omaha, NE at 00:00Z on 2021-02-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -67 square meters per square second.1939587897117Sfc1 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
809 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
-67 m²/s²
0-3 km storm-relative helicity
224 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

648 
WWUS43 KFSD 130935
WSWFSD

URGENT - WINTER WEATHER MESSAGE
National Weather Service Sioux Falls SD
335 AM CST Sat Feb 13 2021

IAZ001>003-012>014-021-022-032-MNZ071-072-080-081-089-090-097-098-
SDZ038>040-053>056-060>062-065>067-131800-
/O.NEW.KFSD.WC.W.0001.210214T0300Z-210214T1800Z/
/O.EXT.KFSD.WC.A.0001.210214T1800Z-210216T1800Z/
/O.CON.KFSD.WC.Y.0005.000000T0000Z-210213T1800Z/
Lyon-Osceola-Dickinson-Sioux-O'Brien-Clay-Cherokee-Buena Vista-
Ida-Lincoln-Murray-Cottonwood-Nobles-Jackson-Pipestone-Rock-
Beadle-Kingsbury-Brookings-Sanborn-Miner-Lake-Moody-Hanson-McCook-
Minnehaha-Hutchinson-Turner-
335 AM CST Sat Feb 13 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY...
...WIND CHILL WARNING IN EFFECT FROM 9 PM THIS EVENING TO NOON
CST SUNDAY...
...WIND CHILL WATCH NOW IN EFFECT FROM SUNDAY AFTERNOON THROUGH
TUESDAY MORNING...

* WHAT...For the Wind Chill Warning, dangerously cold wind chills
  expected. Wind chills as low as 45 below zero. For the Wind
  Chill Advisory, very cold wind chills. Wind chills as low as  
  25 below zero. For the Wind Chill Watch, dangerously cold wind 
  chills possible. Wind chills as low as 40 below zero.

* WHERE...Portions of east central and southeast South Dakota, 
  northwest and west central Iowa and southwest Minnesota. This 
  includes the tribal lands of the Flandreau Santee Sioux Tribal 
  Nation.

* WHEN...For the Wind Chill Warning, from 9 PM this evening to 
  noon CST Sunday. For the Wind Chill Advisory, until noon CST 
  today. For the Wind Chill Watch, from Sunday afternoon through 
  Tuesday 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. 

Monitor the latest forecasts for updates on this situation. 

&&

$$

SDZ052-058-059-064-131800-
/O.NEW.KFSD.WC.W.0001.210214T0300Z-210214T1800Z/
/O.EXB.KFSD.WC.A.0001.210214T1800Z-210216T1800Z/
/O.CON.KFSD.WC.Y.0005.000000T0000Z-210213T1800Z/
Jerauld-Aurora-Davison-Douglas-
335 AM CST Sat Feb 13 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY...
...WIND CHILL WARNING IN EFFECT FROM 9 PM THIS EVENING TO NOON
CST SUNDAY...
...WIND CHILL WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH
TUESDAY MORNING...

* WHAT...For the Wind Chill Warning, dangerously cold wind chills
  expected. Wind chills as low as 40 below zero. For the Wind
  Chill Advisory, very cold wind chills. Wind chills as low as  
  25 below zero. For the Wind Chill Watch, dangerously cold wind 
  chills possible. Wind chills as low as 40 below zero.

* WHERE...Jerauld, Aurora, Davison and Douglas Counties.

* WHEN...For the Wind Chill Warning, from 9 PM this evening to 
  noon CST Sunday. For the Wind Chill Advisory, until noon CST 
  today. For the Wind Chill Watch, from Sunday afternoon through 
  Tuesday 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. 

Monitor the latest forecasts for updates on this situation. 

&&

$$

IAZ020-031-NEZ013-014-SDZ068>071-131800-
/O.NEW.KFSD.WC.Y.0006.210214T0300Z-210214T1800Z/
/O.EXT.KFSD.WC.A.0001.210214T1800Z-210216T1800Z/
/O.CON.KFSD.WC.Y.0005.000000T0000Z-210213T1800Z/
Plymouth-Woodbury-Dixon-Dakota-Bon Homme-Yankton-Clay-Union-
335 AM CST Sat Feb 13 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY...
...WIND CHILL ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO NOON
CST SUNDAY...
...WIND CHILL WATCH NOW IN EFFECT FROM SUNDAY AFTERNOON THROUGH
TUESDAY MORNING...

* WHAT...For the first Wind Chill Advisory, very cold wind chills
  as low as 20 below zero. For the second Wind Chill Advisory,
  very cold wind chills expected as low as 35 below zero. For the
  Wind Chill Watch, dangerously cold wind chills possible. Wind 
  chills as low as 40 below zero.

* WHERE...Portions of southeast South Dakota, northeast Nebraska 
  and northwest and west central Iowa.

* WHEN...For the first Wind Chill Advisory, until noon CST 
  today. For the second Wind Chill Advisory, from 9 PM this 
  evening to noon CST Sunday. For the Wind Chill Watch, from 
  Sunday afternoon through Tuesday 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. 

Monitor the latest forecasts for updates on this situation. 

&&

$$

SDZ050-057-063-131800-
/O.NEW.KFSD.WC.Y.0006.210214T0300Z-210214T1800Z/
/O.EXB.KFSD.WC.A.0001.210214T1800Z-210216T1800Z/
/O.CON.KFSD.WC.Y.0005.000000T0000Z-210213T1800Z/
Gregory-Brule-Charles Mix-
335 AM CST Sat Feb 13 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY...
...WIND CHILL ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO NOON
CST SUNDAY...
...WIND CHILL WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH
TUESDAY MORNING...

* WHAT...For the first Wind Chill Advisory, very cold wind 
  chills. Wind chills as low as 25 below zero. For the second 
  Wind Chill Advisory, very cold wind chills expected. Wind 
  chills as low as 35 below zero. For the Wind Chill Watch, 
  dangerously cold wind chills possible. Wind chills as low as 
  40 below zero.

* WHERE...Gregory, Brule and Charles Mix Counties. This includes 
  the tribal lands of the Yankton Sioux Tribal Nation.

* WHEN...For the first Wind Chill Advisory, until noon CST 
  today. For the second Wind Chill Advisory, from 9 PM this 
  evening to noon CST Sunday. For the Wind Chill Watch, from 
  Sunday afternoon through Tuesday 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. 

Monitor the latest forecasts for updates on this situation. 

&&

$$

For more information from the National Weather Service visit
https://weather.gov/siouxfalls
6 follow-up statements
293 
WWUS43 KFSD 131749
WSWFSD

URGENT - WINTER WEATHER MESSAGE
National Weather Service Sioux Falls SD
1149 AM CST Sat Feb 13 2021

IAZ001>003-012>014-021-022-032-MNZ071-072-080-081-089-090-097-098-
SDZ038>040-052>056-058>062-064>067-140615-
/O.EXP.KFSD.WC.Y.0005.000000T0000Z-210213T1800Z/
/O.CON.KFSD.WC.W.0001.210214T0300Z-210214T1800Z/
/O.CON.KFSD.WC.A.0001.210214T1800Z-210216T1800Z/
Lyon-Osceola-Dickinson-Sioux-O'Brien-Clay-Cherokee-Buena Vista-
Ida-Lincoln-Murray-Cottonwood-Nobles-Jackson-Pipestone-Rock-
Beadle-Kingsbury-Brookings-Jerauld-Sanborn-Miner-Lake-Moody-
Aurora-Davison-Hanson-McCook-Minnehaha-Douglas-Hutchinson-Turner-
1149 AM CST Sat Feb 13 2021

...WIND CHILL WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING TO
NOON CST SUNDAY...
...WIND CHILL WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON
THROUGH TUESDAY MORNING...
...WIND CHILL ADVISORY WILL EXPIRE AT NOON CST TODAY...

* WHAT...For the Wind Chill Warning, dangerously cold wind 
  chills expected. Wind chills as low as 45 below zero. For the 
  Wind Chill Watch, dangerously cold wind chills possible. Wind 
  chills as low as 45 below zero.

* WHERE...Portions of central, east central, south central and 
  southeast South Dakota, northwest and west central Iowa and 
  southwest Minnesota. This includes the tribal lands of the 
  Flandreau Santee Sioux Tribal Nation.

* WHEN...For the Wind Chill Warning, from 9 PM this evening to 
  noon CST Sunday. For the Wind Chill Watch, from Sunday 
  afternoon through Tuesday 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. 

Monitor the latest forecasts for updates on this situation. 

&&

$$

IAZ020-031-NEZ013-014-SDZ050-057-063-068>071-140615-
/O.EXP.KFSD.WC.Y.0005.000000T0000Z-210213T1800Z/
/O.CON.KFSD.WC.Y.0006.210214T0300Z-210214T1800Z/
/O.CON.KFSD.WC.A.0001.210214T1800Z-210216T1800Z/
Plymouth-Woodbury-Dixon-Dakota-Gregory-Brule-Charles Mix-
Bon Homme-Yankton-Clay-Union-
1149 AM CST Sat Feb 13 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING
TO NOON CST SUNDAY...
...WIND CHILL WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON
THROUGH TUESDAY MORNING...
...WIND CHILL ADVISORY WILL EXPIRE AT NOON CST TODAY...

* WHAT...For the Wind Chill Advisory, very cold wind chills 
  expected. Wind chills as low as 35 below zero. For the Wind 
  Chill Watch, dangerously cold wind chills possible. Wind 
  chills as low as 40 below zero.

* WHERE...Portions of south central and southeast South Dakota, 
  northeast Nebraska and northwest and west central Iowa. This 
  includes the tribal lands of the Yankton Sioux Tribal Nation.

* WHEN...For the Wind Chill Advisory, from 9 PM this evening to 
  noon CST Sunday. For the Wind Chill Watch, from Sunday 
  afternoon through Tuesday 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. 

Monitor the latest forecasts for updates on this situation. 

&&

$$

For more information from the National Weather Service visit
https://weather.gov/siouxfalls
943 
WWUS43 KFSD 132013
WSWFSD

URGENT - WINTER WEATHER MESSAGE
National Weather Service Sioux Falls SD
213 PM CST Sat Feb 13 2021

SDZ057-141200-
/O.UPG.KFSD.WC.Y.0006.210214T0300Z-210214T1800Z/
/O.EXB.KFSD.WC.W.0001.210214T0300Z-210215T0000Z/
/O.EXT.KFSD.WC.A.0001.210215T0000Z-210216T1800Z/
Brule-
213 PM CST Sat Feb 13 2021

...WIND CHILL WARNING IN EFFECT FROM 9 PM THIS EVENING TO 6 PM
CST SUNDAY...
...WIND CHILL WATCH NOW IN EFFECT FROM SUNDAY EVENING THROUGH
TUESDAY MORNING...

* WHAT...For the Wind Chill Warning, dangerously cold wind 
  chills expected. Wind chills as low as 40 below zero. For the 
  Wind Chill Watch, dangerously cold wind chills possible. Wind 
  chills as low as 40 below zero.

* WHERE...Brule County.

* WHEN...For the Wind Chill Warning, from 9 PM this evening to 6 
  PM CST Sunday. For the Wind Chill Watch, from Sunday evening 
  through Tuesday 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. 

Monitor the latest forecasts for updates on this situation. 

&&

$$

IAZ001>003-012>014-021-022-032-MNZ071-072-080-081-089-090-097-098-
SDZ038>040-052>056-058>062-064>067-141200-
/O.EXT.KFSD.WC.W.0001.210214T0300Z-210215T0000Z/
/O.EXT.KFSD.WC.A.0001.210215T0000Z-210216T1800Z/
Lyon-Osceola-Dickinson-Sioux-O'Brien-Clay-Cherokee-Buena Vista-
Ida-Lincoln-Murray-Cottonwood-Nobles-Jackson-Pipestone-Rock-
Beadle-Kingsbury-Brookings-Jerauld-Sanborn-Miner-Lake-Moody-
Aurora-Davison-Hanson-McCook-Minnehaha-Douglas-Hutchinson-Turner-
213 PM CST Sat Feb 13 2021

...WIND CHILL WARNING NOW IN EFFECT FROM 9 PM THIS EVENING TO
6 PM CST SUNDAY...
...WIND CHILL WATCH NOW IN EFFECT FROM SUNDAY EVENING THROUGH
TUESDAY MORNING...

* WHAT...For the Wind Chill Warning, dangerously cold wind 
  chills expected. Wind chills as low as 45 below zero. For the 
  Wind Chill Watch, dangerously cold wind chills possible. Wind 
  chills as low as 45 below zero.

* WHERE...Portions of central, east central, south central and 
  southeast South Dakota, northwest and west central Iowa and 
  southwest Minnesota. This includes the tribal lands of the 
  Flandreau Santee Sioux Tribal Nation.

* WHEN...For the Wind Chill Warning, from 9 PM this evening to 6 
  PM CST Sunday. For the Wind Chill Watch, from Sunday evening 
  through Tuesday 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. 

Monitor the latest forecasts for updates on this situation. 

&&

$$

IAZ020-031-NEZ013-014-SDZ050-063-068>071-141200-
/O.EXT.KFSD.WC.Y.0006.210214T0300Z-210215T0000Z/
/O.EXT.KFSD.WC.A.0001.210215T0000Z-210216T1800Z/
Plymouth-Woodbury-Dixon-Dakota-Gregory-Charles Mix-Bon Homme-
Yankton-Clay-Union-
213 PM CST Sat Feb 13 2021

...WIND CHILL ADVISORY NOW IN EFFECT FROM 9 PM THIS EVENING TO
6 PM CST SUNDAY...
...WIND CHILL WATCH NOW IN EFFECT FROM SUNDAY EVENING THROUGH
TUESDAY MORNING...

* WHAT...For the Wind Chill Advisory, very cold wind chills 
  expected. Wind chills as low as 35 below zero. For the Wind 
  Chill Watch, dangerously cold wind chills possible. Wind 
  chills as low as 45 below zero.

* WHERE...Portions of south central and southeast South Dakota, 
  northeast Nebraska and northwest and west central Iowa. This 
  includes the tribal lands of the Yankton Sioux Tribal Nation.

* WHEN...For the Wind Chill Advisory, from 9 PM this evening to 
  6 PM CST Sunday. For the Wind Chill Watch, from Sunday evening 
  through Tuesday 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. 

Monitor the latest forecasts for updates on this situation. 

&&

$$

For more information from the National Weather Service visit
https://weather.gov/siouxfalls
463 
WWUS43 KFSD 140428
WSWFSD

URGENT - WINTER WEATHER MESSAGE
National Weather Service Sioux Falls SD
1028 PM CST Sat Feb 13 2021

IAZ001>003-012>014-021-022-032-MNZ071-072-080-081-089-090-097-098-
SDZ038>040-052>062-064>067-141300-
/O.CON.KFSD.WC.W.0001.000000T0000Z-210215T0000Z/
/O.CON.KFSD.WC.A.0001.210215T0000Z-210216T1800Z/
Lyon-Osceola-Dickinson-Sioux-O'Brien-Clay-Cherokee-Buena Vista-
Ida-Lincoln-Murray-Cottonwood-Nobles-Jackson-Pipestone-Rock-
Beadle-Kingsbury-Brookings-Jerauld-Sanborn-Miner-Lake-Moody-Brule-
Aurora-Davison-Hanson-McCook-Minnehaha-Douglas-Hutchinson-Turner-
1028 PM CST Sat Feb 13 2021

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 6 PM CST SUNDAY...
...WIND CHILL WATCH REMAINS IN EFFECT FROM SUNDAY EVENING THROUGH
TUESDAY MORNING...

* WHAT...For the Wind Chill Warning, dangerously cold wind 
  chills. Wind chills as low as 45 below zero. For the Wind 
  Chill Watch, dangerously cold wind chills possible. Wind 
  chills as low as 45 below zero.

* WHERE...Portions of central, east central, south central and 
  southeast South Dakota, northwest and west central Iowa and 
  southwest Minnesota. This includes the tribal lands of the 
  Flandreau Santee Sioux Tribal Nation.

* WHEN...For the Wind Chill Warning, until 6 PM CST Sunday. For 
  the Wind Chill Watch, from Sunday evening through Tuesday 
  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. 

&&

$$

IAZ020-031-NEZ013-014-SDZ050-063-068>071-141300-
/O.CON.KFSD.WC.Y.0006.000000T0000Z-210215T0000Z/
/O.CON.KFSD.WC.A.0001.210215T0000Z-210216T1800Z/
Plymouth-Woodbury-Dixon-Dakota-Gregory-Charles Mix-Bon Homme-
Yankton-Clay-Union-
1028 PM CST Sat Feb 13 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST SUNDAY...
...WIND CHILL WATCH REMAINS IN EFFECT FROM SUNDAY EVENING THROUGH
TUESDAY MORNING...

* WHAT...For the Wind Chill Advisory, very cold wind chills. Wind
  chills as low as 30 below zero. For the Wind Chill Watch,
  dangerously cold wind chills possible. Wind chills as low as 40 
  below zero.

* WHERE...Portions of south central and southeast South Dakota, 
  northeast Nebraska and northwest and west central Iowa. This 
  includes the tribal lands of the Yankton Sioux Tribal Nation.

* WHEN...For the Wind Chill Advisory, until 6 PM CST Sunday. For 
  the Wind Chill Watch, from Sunday evening through Tuesday 
  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. 

&&

$$

For more information from the National Weather Service visit
https://weather.gov/siouxfalls
424 
WWUS43 KFSD 140933
WSWFSD

URGENT - WINTER WEATHER MESSAGE
National Weather Service Sioux Falls SD
333 AM CST Sun Feb 14 2021

IAZ020-031-NEZ013-014-SDZ050-063-068>071-141745-
/O.EXB.KFSD.WC.W.0001.210215T0000Z-210215T1800Z/
/O.EXT.KFSD.WC.A.0001.210215T1800Z-210216T1800Z/
/O.CON.KFSD.WC.Y.0006.000000T0000Z-210215T0000Z/
Plymouth-Woodbury-Dixon-Dakota-Gregory-Charles Mix-Bon Homme-
Yankton-Clay-Union-
333 AM CST Sun Feb 14 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS
EVENING...
...WIND CHILL WARNING IN EFFECT FROM 6 PM THIS EVENING TO NOON
CST MONDAY...
...WIND CHILL WATCH NOW IN EFFECT FROM MONDAY AFTERNOON THROUGH
TUESDAY MORNING...

* WHAT...For the Wind Chill Advisory, very cold wind chills. Wind
  chills as low as 35 below zero. For the Wind Chill Warning,
  dangerously cold wind chills expected. Wind chills as low as 40
  below zero. For the Wind Chill Watch, dangerously cold wind
  chills possible. Wind chills as low as 40 below zero.

* WHERE...Portions of south central and southeast South Dakota, 
  northeast Nebraska and northwest and west central Iowa. This 
  includes the tribal lands of the Yankton Sioux Tribal Nation.

* WHEN...For the Wind Chill Advisory, until 6 PM CST this evening.
  For the Wind Chill Warning, from 6 PM this evening to noon CST
  Monday. For the Wind Chill Watch, from Monday afternoon through
  Tuesday 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. 

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

Monitor the latest forecasts for updates on this situation. 

&&

$$

IAZ001>003-012>014-021-022-032-MNZ071-072-080-081-089-090-097-098-
SDZ038>040-052>062-064>067-141745-
/O.EXT.KFSD.WC.W.0001.000000T0000Z-210215T1800Z/
/O.EXT.KFSD.WC.A.0001.210215T1800Z-210216T1800Z/
Lyon-Osceola-Dickinson-Sioux-O'Brien-Clay-Cherokee-Buena Vista-
Ida-Lincoln-Murray-Cottonwood-Nobles-Jackson-Pipestone-Rock-
Beadle-Kingsbury-Brookings-Jerauld-Sanborn-Miner-Lake-Moody-Brule-
Aurora-Davison-Hanson-McCook-Minnehaha-Douglas-Hutchinson-Turner-
333 AM CST Sun Feb 14 2021

...WIND CHILL WARNING NOW IN EFFECT UNTIL NOON CST MONDAY...
...WIND CHILL WATCH NOW IN EFFECT FROM MONDAY AFTERNOON THROUGH
TUESDAY MORNING...

* WHAT...For the Wind Chill Warning, dangerously cold wind 
  chills. Wind chills as low as 45 below zero. For the Wind 
  Chill Watch, dangerously cold wind chills possible. Wind 
  chills as low as 40 below zero.

* WHERE...Portions of central, east central, south central and 
  southeast South Dakota, northwest and west central Iowa and 
  southwest Minnesota. This includes the tribal lands of the 
  Flandreau Santee Sioux Tribal Nation.

* WHEN...For the Wind Chill Warning, until noon CST Monday. For 
  the Wind Chill Watch, from Monday afternoon through Tuesday 
  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. 

Monitor the latest forecasts for updates on this situation. 

&&

$$

For more information from the National Weather Service visit
https://weather.gov/siouxfalls
497 
WWUS43 KFSD 141241
WSWFSD

URGENT - WINTER WEATHER MESSAGE
National Weather Service Sioux Falls SD
641 AM CST Sun Feb 14 2021

IAZ020-031-NEZ014-SDZ071-142045-
/O.CAN.KFSD.WC.Y.0006.000000T0000Z-210215T0000Z/
/O.EXT.KFSD.WC.W.0001.210214T1241Z-210215T1800Z/
/O.CON.KFSD.WC.A.0001.210215T1800Z-210216T1800Z/
Plymouth-Woodbury-Dakota-Union-
641 AM CST Sun Feb 14 2021

...WIND CHILL WARNING NOW IN EFFECT UNTIL NOON CST MONDAY...
...WIND CHILL WATCH REMAINS IN EFFECT FROM MONDAY AFTERNOON
THROUGH TUESDAY MORNING...
...WIND CHILL ADVISORY IS CANCELLED...

* WHAT...For the Wind Chill Warning, dangerously cold wind chills
  expected. Wind chills as low as 40 below zero. For the Wind 
  Chill Watch, dangerously cold wind chills possible. Wind chills 
  as low as 40 below zero.

* WHERE...In South Dakota, Union County. In Nebraska, Dakota 
  County. In Iowa, Plymouth and Woodbury Counties.

* WHEN...For the Wind Chill Warning, until noon CST Monday. For 
  the Wind Chill Watch, from Monday afternoon through Tuesday 
  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. 

Monitor the latest forecasts for updates on this situation. 

&&

$$

NEZ013-SDZ050-063-068>070-142045-
/O.CON.KFSD.WC.W.0001.210215T0000Z-210215T1800Z/
/O.CON.KFSD.WC.Y.0006.000000T0000Z-210215T0000Z/
/O.CON.KFSD.WC.A.0001.210215T1800Z-210216T1800Z/
Dixon-Gregory-Charles Mix-Bon Homme-Yankton-Clay-
641 AM CST Sun Feb 14 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS
EVENING...
...WIND CHILL WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO
NOON CST MONDAY...
...WIND CHILL WATCH REMAINS IN EFFECT FROM MONDAY AFTERNOON
THROUGH TUESDAY MORNING...

* WHAT...For the Wind Chill Advisory, very cold wind chills. 
  Wind chills as low as 35 below zero. For the Wind Chill 
  Warning, dangerously cold wind chills expected. Wind chills as 
  low as 40 below zero. For the Wind Chill Watch, dangerously 
  cold wind chills possible. Wind chills as low as 40 below zero.

* WHERE...Portions of south central and southeast South Dakota, 
  northeast Nebraska and northwest and west central Iowa. This 
  includes the tribal lands of the Yankton Sioux Tribal Nation.

* WHEN...For the Wind Chill Advisory, until 6 PM CST this 
  evening. For the Wind Chill Warning, from 6 PM this evening to 
  noon CST Monday. For the Wind Chill Watch, from Monday 
  afternoon through Tuesday 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.

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

Monitor the latest forecasts for updates on this situation.

&&

$$

IAZ001>003-012>014-021-022-032-MNZ071-072-080-081-089-090-097-098-
SDZ038>040-052>062-064>067-142045-
/O.CON.KFSD.WC.W.0001.000000T0000Z-210215T1800Z/
/O.CON.KFSD.WC.A.0001.210215T1800Z-210216T1800Z/
Lyon-Osceola-Dickinson-Sioux-O'Brien-Clay-Cherokee-Buena Vista-
Ida-Lincoln-Murray-Cottonwood-Nobles-Jackson-Pipestone-Rock-
Beadle-Kingsbury-Brookings-Jerauld-Sanborn-Miner-Lake-Moody-Brule-
Aurora-Davison-Hanson-McCook-Minnehaha-Douglas-Hutchinson-Turner-
641 AM CST Sun Feb 14 2021

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON CST MONDAY...
...WIND CHILL WATCH REMAINS IN EFFECT FROM MONDAY AFTERNOON
THROUGH TUESDAY MORNING...

* WHAT...For the Wind Chill Warning, dangerously cold wind 
  chills. Wind chills as low as 45 below zero. For the Wind 
  Chill Watch, dangerously cold wind chills possible. Wind 
  chills as low as 40 below zero.

* WHERE...Portions of central, east central, south central and 
  southeast South Dakota, northwest and west central Iowa and 
  southwest Minnesota. This includes the tribal lands of the 
  Flandreau Santee Sioux Tribal Nation.

* WHEN...For the Wind Chill Warning, until noon CST Monday. For 
  the Wind Chill Watch, from Monday afternoon through Tuesday 
  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.

Monitor the latest forecasts for updates on this situation.

&&

$$

For more information from the National Weather Service visit
https://weather.gov/siouxfalls
222 
WWUS43 KFSD 141531
WSWFSD

URGENT - WINTER WEATHER MESSAGE
National Weather Service Sioux Falls SD
931 AM CST Sun Feb 14 2021

NEZ013-SDZ050-063-068>070-142345-
/O.CAN.KFSD.WC.Y.0006.000000T0000Z-210215T0000Z/
/O.EXT.KFSD.WC.W.0001.210214T1531Z-210215T1800Z/
/O.CON.KFSD.WC.A.0001.210215T1800Z-210216T1800Z/
Dixon-Gregory-Charles Mix-Bon Homme-Yankton-Clay-
931 AM CST Sun Feb 14 2021

...WIND CHILL WARNING NOW IN EFFECT UNTIL NOON CST MONDAY...
...WIND CHILL WATCH REMAINS IN EFFECT FROM MONDAY AFTERNOON
THROUGH TUESDAY MORNING...
...WIND CHILL ADVISORY IS CANCELLED...

* WHAT...For the Wind Chill Warning, dangerously cold wind 
  chills. Wind chills as low as 40 below zero. For the Wind 
  Chill Watch, dangerously cold wind chills possible. Wind 
  chills as low as 40 below zero.

* WHERE...Portions of south central and southeast South Dakota 
  and northeast Nebraska. This includes the tribal lands of the 
  Yankton Sioux Tribal Nation.

* WHEN...For the Wind Chill Warning, until noon CST Monday. For 
  the Wind Chill Watch, from Monday afternoon through Tuesday 
  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. 

Monitor the latest forecasts for updates on this situation. 

&&

$$

IAZ001>003-012>014-020>022-031-032-MNZ071-072-080-081-089-090-097-
098-NEZ014-SDZ038>040-052>062-064>067-071-142345-
/O.CON.KFSD.WC.W.0001.000000T0000Z-210215T1800Z/
/O.CON.KFSD.WC.A.0001.210215T1800Z-210216T1800Z/
Lyon-Osceola-Dickinson-Sioux-O'Brien-Clay-Plymouth-Cherokee-
Buena Vista-Woodbury-Ida-Lincoln-Murray-Cottonwood-Nobles-Jackson-
Pipestone-Rock-Dakota-Beadle-Kingsbury-Brookings-Jerauld-Sanborn-
Miner-Lake-Moody-Brule-Aurora-Davison-Hanson-McCook-Minnehaha-
Douglas-Hutchinson-Turner-Union-
931 AM CST Sun Feb 14 2021

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON CST MONDAY...
...WIND CHILL WATCH REMAINS IN EFFECT FROM MONDAY AFTERNOON
THROUGH TUESDAY MORNING...

* WHAT...For the Wind Chill Warning, dangerously cold wind 
  chills. Wind chills as low as 45 below zero. For the Wind 
  Chill Watch, dangerously cold wind chills possible. Wind 
  chills as low as 40 below zero.

* WHERE...Portions of central, east central, south central and 
  southeast South Dakota, northeast Nebraska, northwest and west 
  central Iowa and southwest Minnesota. This includes the tribal 
  lands of the Flandreau Santee Sioux Tribal Nation.

* WHEN...For the Wind Chill Warning, until noon CST Monday. For 
  the Wind Chill Watch, from Monday afternoon through Tuesday 
  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. 

Monitor the latest forecasts for updates on this situation. 

&&

$$

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

The office that day

Everything else NWS Sioux Falls, SD issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 13, 3:35 AM CSTWind Chill WarningFSDDakota, Dixon3 days

Nearby

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