Alert archive / Minnesota / Wind Chill Warnings in 2017

Wind Chill Warning 1, NWS Sioux Falls, SD

December 29, 20178 counties in Minnesota; 4 counties in Iowa; 6 counties in South Dakota

NWS Sioux Falls, SD issued this wind chill warning at Dec 29, 2017, 3:50 PM CST for 8 counties in Minnesota; 4 counties in Iowa; 6 counties in South Dakota. It took effect at Dec 30, 2017, 12:00 AM CST. It was in force for 12 hr. 18 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Dec 29, 2017, 3:50 PM CST (21:50 UTC)
In effect from
Dec 30, 2017, 12:00 AM CST
Expired
Dec 30, 2017, 12:00 PM CST
In force
12 hr
Issued by
NWS Sioux Falls, SD

Counties Buena Vista County, IA, Clay County, IA, Dickinson 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, Beadle County, SD, Brookings County, SD, Kingsbury County, SD, Lake County, SD, Miner County, SD, Moody County, SD

The radar

The Sioux Falls radar (KFSD), 53 km from the middle of the area, began a volume at 21:51 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.

What was reported inside it

TimeReportWhereRemark
Dec 30, 5:55 AM CSTSNOW 3.72 Nnw Huron, SDASOS STATION HON, HURON REGIONAL AIRPORT.
Dec 30, 6:30 AM CSTSNOW 4Howard, SDCO-OP OBSERVER STATION HOWS2, HOWARD.
Dec 30, 7:00 AM CSTSNOW 1.8Brookings, SDCOCORAHS STATION SD-BK-7, BROOKINGS.
Dec 30, 7:00 AM CSTSNOW 2.11 S Brookings, SDCOCORAHS STATION SD-BK-43, 1 S BROOKINGS.
Dec 30, 7:00 AM CSTSNOW 2.3De Smet, SDCOCORAHS STATION SD-KY-5, DE SMET.
Dec 30, 7:00 AM CSTSNOW 3.32 N Chester, SDCO-OP OBSERVER STATION CHES2, CHESTER 2N.
Dec 30, 7:00 AM CSTSNOW 3.53 Nw Everly, IACO-OP OBSERVER STATION EVYI4, 3 WNW EVERLY.
Dec 30, 7:00 AM CSTSNOW 4.31 E Spirit Lake, IACO-OP OBSERVER STATION SPRI4, SPIRIT LAKE.
Dec 30, 7:00 AM CSTSNOW 4.52 Nne Worthington, MNCO-OP OBSERVER STATION WRNM5, WORTHINGTON.
Dec 30, 7:00 AM CSTSNOW 4.61 Wnw Lakefield, MNCO-OP OBSERVER STATION LKFM5, LAKEFIELD.
Dec 30, 7:00 AM CSTSNOW 51 Wnw Edgerton, MNCOCORAHS STATION MN-PS-1, EDGERTON.
Dec 30, 7:00 AM CSTSNOW 54 Nne Sibley, IACO-OP OBSERVER STATION SIBI4, SIBLEY.
Dec 30, 8:00 AM CSTSNOW 1Lake Wilson, MNCO-OP OBSERVER STATION LKWM5, LAKE WILSON.
Dec 30, 8:00 AM CSTSNOW 21 Nnw Marshall, MNCO-OP OBSERVER STATION MMLM5, MARSHALL.
Dec 30, 8:00 AM CSTSNOW 2.21 Ne Brookings, SDCO-OP OBSERVER STATION BROS2, 2 NE BROOKINGS.
Dec 30, 8:00 AM CSTSNOW 2.51 Sw Brookings, SDCOCORAHS STATION SD-BK-3, 1 SW BROOKINGS.
Dec 30, 8:00 AM CSTSNOW 2.55 W Bruce, SDCOCORAHS STATION SD-BK-45, 5 W BRUCE.
Dec 30, 9:00 AM CSTSNOW 3.41 S Huron, SDCOCORAHS STATION SD-BD-20, 1 S HURON.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Aberdeen, SD (KABR), launched 12:00Z, 9.8 hours before the alert went out and 209 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 2017-12-29Temperature 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 2017-12-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -24 square meters per square second.1939587897117136156Sfc1 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
1024 m above ground
0-6 km bulk shear
82 kt
0-1 km storm-relative helicity
-24 m²/s²
0-3 km storm-relative helicity
349 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

196 
WWUS43 KFSD 292150
WSWFSD

URGENT - WINTER WEATHER MESSAGE
National Weather Service Sioux Falls SD
350 PM CST Fri Dec 29 2017


IAZ002-003-014-022-MNZ089-097-098-SDZ054>056-300600-
/O.EXP.KFSD.WW.Y.0013.000000T0000Z-171229T2200Z/
/O.NEW.KFSD.WC.W.0001.171230T0600Z-171230T1800Z/
Osceola-Dickinson-Clay IA-Buena Vista-Nobles-Pipestone-Rock-Miner-
Lake-Moody-
350 PM CST Fri Dec 29 2017

...WIND CHILL WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO NOON CST
SATURDAY...
...WINTER WEATHER ADVISORY WILL EXPIRE AT 4 PM CST THIS
AFTERNOON...

* WHAT...Dangerously cold wind chills expected. The dangerously 
  cold wind chills will cause frostbite in as little as 10 
  minutes to exposed skin. Expect wind chills to range from 20 
  below zero to 35 below zero.

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

* WHEN...For the Wind Chill Warning, from midnight tonight to 
  noon CST Saturday. For the Winter Weather Advisory, at 4 PM 
  CST this afternoon.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Chill Warning means the combination of very cold air and
the wind will create dangerously low wind chill values. Frost
bite can occur quickly and even hypothermia or death if
precautions are not taken.

$$

IAZ001-012-013-021-SDZ061-062-067-300600-
/O.EXP.KFSD.WW.Y.0013.000000T0000Z-171229T2200Z/
/O.NEW.KFSD.WC.Y.0006.171230T0600Z-171230T1800Z/
Lyon IA-Sioux-O'Brien-Cherokee-McCook-Minnehaha-Lincoln SD-
350 PM CST Fri Dec 29 2017

...WIND CHILL ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO NOON
CST SATURDAY...
...WINTER WEATHER ADVISORY WILL EXPIRE AT 4 PM CST THIS
AFTERNOON...

* WHAT...Very cold wind chills expected. The cold wind chills 
  will cause frostbite in as little as 30 minutes to exposed 
  skin. Expect wind chills to range from 20 below zero to 35 
  below zero.

* WHERE...Portions of southeast South Dakota and northwest Iowa.

* WHEN...For the Winter Weather Advisory, at 4 PM CST this 
  afternoon. For the Wind Chill Advisory, from midnight tonight 
  to noon CST Saturday.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Chill Advisory means that cold air and the wind will
combine to create low wind chills. Frost bite and hypothermia can
occur if precautions are not taken. Make sure you wear a hat and
gloves.

$$

MNZ071-072-080-081-090-SDZ038>040-300600-
/O.NEW.KFSD.WC.W.0001.171230T0600Z-171230T1800Z/
Lincoln MN-Lyon MN-Murray-Cottonwood-Jackson-Beadle-Kingsbury-
Brookings-
350 PM CST Fri Dec 29 2017

...WIND CHILL WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO NOON CST
SATURDAY...

* WHAT...Dangerously cold wind chills expected. The dangerously 
  cold wind chills will cause frostbite in as little as 10 
  minutes to exposed skin. Expect wind chills to range from 25 
  below zero to 40 below zero.

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

* WHEN...From midnight tonight to noon CST Saturday.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Chill Warning means the combination of very cold air and
the wind will create dangerously low wind chill values. Frost
bite can occur quickly and even hypothermia or death if
precautions are not taken.

$$

IAZ020-031-032-NEZ013-014-SDZ050-052-053-057>060-063>066-068>071-
300600-
/O.NEW.KFSD.WC.Y.0006.171230T0600Z-171230T1800Z/
Plymouth-Woodbury-Ida-Dixon-Dakota-Gregory-Jerauld-Sanborn-Brule-
Aurora-Davison-Hanson-Charles Mix-Douglas-Hutchinson-Turner-
Bon Homme-Yankton-Clay SD-Union-
350 PM CST Fri Dec 29 2017

...WIND CHILL ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO NOON
CST SATURDAY...

* WHAT...Very cold wind chills expected. The cold wind chills 
  will cause frostbite in as little as 30 minutes to exposed 
  skin. Expect wind chills to range from 15 below zero to 30 
  below zero.

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

* WHEN...From midnight tonight to noon CST Saturday.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Chill Advisory means that cold air and the wind will
combine to create low wind chills. Frost bite and hypothermia can
occur if precautions are not taken. Make sure you wear a hat and
gloves.

$$
3 follow-up statements
674 
WWUS43 KFSD 300223
WSWFSD

URGENT - WINTER WEATHER MESSAGE
National Weather Service Sioux Falls SD
823 PM CST Fri Dec 29 2017

IAZ002-003-014-022-MNZ071-072-080-081-089-090-097-098-SDZ038>040-
054>056-301130-
/O.CON.KFSD.WC.W.0001.171230T0600Z-171230T1800Z/
Osceola-Dickinson-Clay IA-Buena Vista-Lincoln MN-Lyon MN-Murray-
Cottonwood-Nobles-Jackson-Pipestone-Rock-Beadle-Kingsbury-
Brookings-Miner-Lake-Moody-
823 PM CST Fri Dec 29 2017

...WIND CHILL WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
NOON CST SATURDAY...

* WHAT...Dangerously cold wind chills expected. The dangerously 
  cold wind chills will cause frostbite in as little as 10 
  minutes to exposed skin. Expect wind chills to range from 25 
  below zero to 40 below zero.

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

* WHEN...From midnight tonight to noon CST Saturday.

* ADDITIONAL DETAILS...Tonight is the start of a prolonged period
  of very cold temperatures and dangerously cold wind chills. 
  Additional advisories or warnings are likely to be issued later 
  this weekend.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Chill Warning means the combination of very cold air and
the wind will create dangerously low wind chill values. Frost
bite can occur quickly and even hypothermia or death if
precautions are not taken.

$$

IAZ001-012-013-020-021-031-032-NEZ013-014-SDZ050-052-053-057>071-
301130-
/O.CON.KFSD.WC.Y.0006.171230T0600Z-171230T1800Z/
Lyon IA-Sioux-O'Brien-Plymouth-Cherokee-Woodbury-Ida-Dixon-Dakota-
Gregory-Jerauld-Sanborn-Brule-Aurora-Davison-Hanson-McCook-
Minnehaha-Charles Mix-Douglas-Hutchinson-Turner-Lincoln SD-
Bon Homme-Yankton-Clay SD-Union-
823 PM CST Fri Dec 29 2017

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
NOON CST SATURDAY...

* WHAT...Very cold wind chills expected. The cold wind chills will
  cause frostbite in as little as 30 minutes to exposed skin.
  Expect wind chills to range from 20 below zero to 35 below 
  zero.

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

* WHEN...From midnight tonight to noon CST Saturday.

* ADDITIONAL DETAILS...Tonight is the start of a prolonged period
  of very cold temperatures and dangerously cold wind chills. 
  Additional advisories or warnings are likely to be issued later 
  this weekend.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Chill Advisory means that cold air and the wind will
combine to create low wind chills. Frost bite and hypothermia can
occur if precautions are not taken. Make sure you wear a hat and
gloves.

$$
842 
WWUS43 KFSD 300859
WSWFSD

URGENT - WINTER WEATHER MESSAGE
National Weather Service Sioux Falls SD
259 AM CST Sat Dec 30 2017

IAZ002-003-014-022-MNZ071-072-080-081-089-090-097-098-SDZ038>040-
054>056-301815-
/O.NEW.KFSD.WC.W.0002.171231T0600Z-180101T1800Z/
/O.EXB.KFSD.WC.Y.0006.171230T1800Z-171231T0600Z/
/O.CON.KFSD.WC.W.0001.000000T0000Z-171230T1800Z/
Osceola-Dickinson-Clay IA-Buena Vista-Lincoln MN-Lyon MN-Murray-
Cottonwood-Nobles-Jackson-Pipestone-Rock-Beadle-Kingsbury-
Brookings-Miner-Lake-Moody-
259 AM CST Sat Dec 30 2017

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON CST TODAY...
...WIND CHILL ADVISORY IN EFFECT FROM NOON TODAY TO MIDNIGHT CST
TONIGHT...
...WIND CHILL WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO NOON CST
MONDAY...

* WHAT...Dangerously cold wind chills expected. The dangerously
  cold wind chills will cause frostbite in as little as 10 minutes
  to exposed skin. Expect wind chills to range from 25 below zero
  to 45 below zero, with the coldest wind chills expected this
  morning and New Year's Eve through New Year's Day.

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

* WHEN...An extended period of dangerously cold wind chills are
  expected through Monday, with the most dangerous conditions
  expected New Year's Eve through New Year's Day.

* ADDITIONAL DETAILS...Dangerously cold wind chills may return
  again Monday night.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Chill Warning means the combination of very cold air and
the wind will create dangerously low wind chill values. Frost
bite can occur quickly and even hypothermia or death if
precautions are not taken.

A Wind Chill Advisory means that cold air and the wind will
combine to create low wind chills. Frost bite and hypothermia can
occur if precautions are not taken. Make sure you wear a hat and
gloves.

$$

IAZ001-012-013-020-021-031-032-NEZ013-014-SDZ050-052-053-057>071-
301815-
/O.NEW.KFSD.WC.W.0002.171231T0600Z-180101T1800Z/
/O.EXT.KFSD.WC.Y.0006.000000T0000Z-171231T0600Z/
Lyon IA-Sioux-O'Brien-Plymouth-Cherokee-Woodbury-Ida-Dixon-Dakota-
Gregory-Jerauld-Sanborn-Brule-Aurora-Davison-Hanson-McCook-
Minnehaha-Charles Mix-Douglas-Hutchinson-Turner-Lincoln SD-
Bon Homme-Yankton-Clay SD-Union-
259 AM CST Sat Dec 30 2017

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL MIDNIGHT CST TONIGHT...
...WIND CHILL WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO NOON CST
MONDAY...

* WHAT...Dangerously cold wind chills expected. The dangerously
  cold wind chills will cause frostbite in as little as 10 minutes
  to exposed skin. Expect wind chills to range from 20 below zero
  to 45 below zero, with the coldest wind chills expected New
  Year's Eve through New Year's Day.

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

* WHEN...An extended period of dangerously cold wind chills are
  expected through Monday, with the most dangerous conditions
  expected New Year's Eve through New Year's Day.

* ADDITIONAL DETAILS....Dangerously cold wind chills may return
  again Monday night.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Chill Warning means the combination of very cold air and
the wind will create dangerously low wind chill values. Frost
bite can occur quickly and even hypothermia or death if
precautions are not taken.

A Wind Chill Advisory means that cold air and the wind will
combine to create low wind chills. Frost bite and hypothermia can
occur if precautions are not taken. Make sure you wear a hat and
gloves.

$$
424 
WWUS43 KFSD 301746
WSWFSD

URGENT - WINTER WEATHER MESSAGE
National Weather Service Sioux Falls SD
1146 AM CST Sat Dec 30 2017

IAZ002-003-014-022-MNZ071-072-080-081-089-090-097-098-SDZ038>040-
054>056-310400-
/O.EXP.KFSD.WC.W.0001.000000T0000Z-171230T1800Z/
/O.CON.KFSD.WC.W.0002.171231T0600Z-180101T1800Z/
/O.CON.KFSD.WC.Y.0006.171230T1800Z-171231T0600Z/
Osceola-Dickinson-Clay IA-Buena Vista-Lincoln MN-Lyon MN-Murray-
Cottonwood-Nobles-Jackson-Pipestone-Rock-Beadle-Kingsbury-
Brookings-Miner-Lake-Moody-
1146 AM CST Sat Dec 30 2017

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...
...WIND CHILL WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
NOON CST MONDAY...

* WHAT...Dangerously cold wind chills expected. The dangerously
  cold wind chills will cause frostbite in as little as 10 minutes
  to exposed skin. Expect wind chills to range from 25 below zero
  to 45 below zero.

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

* WHEN...An extended period of dangerously cold wind chills are 
  expected through Monday, with the most dangerous conditions 
  expected New Year's Eve through New Year's Day.

* ADDITIONAL DETAILS...Dangerously cold wind chills may return 
  again Monday night.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Chill Warning means the combination of very cold air and
the wind will create dangerously low wind chill values. Frost
bite can occur quickly and even hypothermia or death if
precautions are not taken.

A Wind Chill Advisory means that cold air and the wind will
combine to create low wind chills. Frost bite and hypothermia can
occur if precautions are not taken. Make sure you wear a hat and
gloves.

$$

IAZ001-012-013-020-021-031-032-NEZ013-014-SDZ050-052-053-057>071-
310400-
/O.CON.KFSD.WC.W.0002.171231T0600Z-180101T1800Z/
/O.CON.KFSD.WC.Y.0006.000000T0000Z-171231T0600Z/
Lyon IA-Sioux-O'Brien-Plymouth-Cherokee-Woodbury-Ida-Dixon-Dakota-
Gregory-Jerauld-Sanborn-Brule-Aurora-Davison-Hanson-McCook-
Minnehaha-Charles Mix-Douglas-Hutchinson-Turner-Lincoln SD-
Bon Homme-Yankton-Clay SD-Union-
1146 AM CST Sat Dec 30 2017

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...
...WIND CHILL WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
NOON CST MONDAY...

* WHAT...Dangerously cold wind chills expected. The dangerously
  cold wind chills will cause frostbite in as little as 10 minutes
  to exposed skin. Expect wind chills to range from 20 below zero
  to 45 below zero.

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

* WHEN...An extended period of dangerously cold wind chills are 
  expected through Monday, with the most dangerous conditions 
  expected New Year's Eve through New Year's Day.

* ADDITIONAL DETAILS....Dangerously cold wind chills may return 
  again Monday night.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Chill Warning means the combination of very cold air and
the wind will create dangerously low wind chill values. Frost
bite can occur quickly and even hypothermia or death if
precautions are not taken.

A Wind Chill Advisory means that cold air and the wind will
combine to create low wind chills. Frost bite and hypothermia can
occur if precautions are not taken. Make sure you wear a hat and
gloves.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 29, 2:18 AM CSTWinter Weather AdvisoryFSDNobles, Pipestone, Rock14 hr
Dec 29, 3:50 PM CSTWind Chill AdvisoryFSDCottonwood, Jackson, Lincoln, Lyon, Murray, Nobles and 2 more32 hr

Nearby

Wind Chill Warnings in Minnesota, 2017Wind Chill Warnings in South Dakota, 2017Wind Chill Warnings in Iowa, 2017Every wind chill warning in 2017

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.