Alert archive / Wisconsin / Wind Chill Advisories in 2018

Wind Chill Advisory 3, NWS Twin Cities, MN

January 3, 20188 counties in Minnesota; 9 counties in Wisconsin

NWS Twin Cities, MN issued this wind chill advisory at Jan 3, 2018, 2:19 PM CST for 8 counties in Minnesota; 9 counties in Wisconsin. It took effect at Jan 3, 2018, 9:00 PM CST. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Jan 3, 2018, 2:19 PM CST (20:19 UTC)
In effect from
Jan 3, 2018, 9:00 PM CST
Expired
Jan 4, 2018, 2:37 AM CST
In force
6 hr
Issued by
NWS Twin Cities, MN

Counties Blue Earth County, MN, Faribault County, MN, Freeborn County, MN, Goodhue County, MN, Martin County, MN, Steele County, MN, Waseca County, MN, Watonwan County, MN, Barron County, WI, Chippewa County, WI, Dunn County, WI, Eau Claire County, WI, Pepin County, WI, Pierce County, WI, Polk County, WI, Rusk County, WI, Saint Croix County, WI

The radar

The Minneapolis radar (KMPX), 73 km from the middle of the area, began a volume at 20:18 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 12:00Z, 8.3 hours before the alert went out and 76 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 12:00Z on 2018-01-03Temperature 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 12:00Z on 2018-01-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 37 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
781 m above ground
0-6 km bulk shear
81 kt
0-1 km storm-relative helicity
37 m²/s²
0-3 km storm-relative helicity
125 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

172 
WWUS43 KMPX 032019
WSWMPX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Twin Cities/Chanhassen MN
219 PM CST Wed Jan 3 2018

...Bitterly cold again overnight...

.Bitter cold air will move into the region tonight, with
temperatures generally in the 10 below to 15 below zero range. 
Winds will make it feel even colder, with wind chill readings 
ranging from 25 below to 30 below zero later tonight into Thursday
morning. 

Limit or avoid outdoor exposure, but if you must go out, dress in
layers and keep exposed skin to a minimum. 

MNZ078-082>085-091>093-WIZ014>016-023>028-040430-
/O.NEW.KMPX.WC.Y.0003.180104T0300Z-180104T1600Z/
Goodhue-Watonwan-Blue Earth-Waseca-Steele-Martin-Faribault-
Freeborn-Polk-Barron-Rusk-St. Croix-Pierce-Dunn-Pepin-Chippewa-
Eau Claire-
Including the cities of Red Wing, St James, Mankato, Waseca, 
Owatonna, Fairmont, Blue Earth, Albert Lea, Osceola, Rice Lake, 
Ladysmith, Hudson, River Falls, Prescott, Menomonie, Durand, 
Chippewa Falls, and Eau Claire
219 PM CST Wed Jan 3 2018

...WIND CHILL ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 10 AM
CST THURSDAY...

* 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 25 below zero to 30 below 
  zero.

* WHERE...Portions of northwest and west central Wisconsin and 
  south central and southeast Minnesota.

* WHEN...From 9 PM this evening to 10 AM CST Thursday.

* ADDITIONAL DETAILS...The coldest wind chills should occur from 
  3 AM until 9 AM Thursday morning. 

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.

$$
2 follow-up statements
909 
WWUS43 KMPX 040353
WSWMPX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Twin Cities/Chanhassen MN
953 PM CST Wed Jan 3 2018


MNZ078-082>085-091>093-WIZ014>016-023>028-041200-
/O.CON.KMPX.WC.Y.0003.000000T0000Z-180104T1600Z/
Goodhue-Watonwan-Blue Earth-Waseca-Steele-Martin-Faribault-
Freeborn-Polk-Barron-Rusk-St. Croix-Pierce-Dunn-Pepin-Chippewa-
Eau Claire-
Including the cities of Red Wing, St James, Mankato, Waseca, 
Owatonna, Fairmont, Blue Earth, Albert Lea, Osceola, Rice Lake, 
Ladysmith, Hudson, River Falls, Prescott, Menomonie, Durand, 
Chippewa Falls, and Eau Claire
953 PM CST Wed Jan 3 2018

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 10 AM CST
THURSDAY...

* 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 near 25 below zero.

* WHERE...Portions of northwest and west central Wisconsin and 
  south central and southeast Minnesota.

* WHEN...Until 10 AM CST Thursday.

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.

$$
228 
WWUS43 KMPX 040837
WSWMPX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Twin Cities/Chanhassen MN
237 AM CST Thu Jan 4 2018

...Little Wind and Higher Temperatures...

.The wind chill advisory which was in effect through this morning
will be cancelled early as wind speeds remained light and 
temperatures have average slightly higher than expected. However,
wind chill values will still hold between 10 to 20 degrees below
zero through the morning. 

MNZ078-082>085-091>093-WIZ014>016-023>028-040945-
/O.CAN.KMPX.WC.Y.0003.000000T0000Z-180104T1600Z/
Goodhue-Watonwan-Blue Earth-Waseca-Steele-Martin-Faribault-
Freeborn-Polk-Barron-Rusk-St. Croix-Pierce-Dunn-Pepin-Chippewa-
Eau Claire-
Including the cities of Red Wing, St James, Mankato, Waseca, 
Owatonna, Fairmont, Blue Earth, Albert Lea, Osceola, Rice Lake, 
Ladysmith, Hudson, River Falls, Prescott, Menomonie, Durand, 
Chippewa Falls, and Eau Claire
237 AM CST Thu Jan 4 2018

...WIND CHILL ADVISORY IS CANCELLED...

$$

The office that day

Everything else NWS Twin Cities, MN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 2, 7:55 PM CSTWind Chill AdvisoryMPXBenton, Chippewa, Douglas, Kandiyohi, Mille Lacs, Morrison and 5 more15 hr

Nearby

Wind Chill Advisories in Wisconsin, 2018Wind Chill Advisories in Minnesota, 2018Every wind chill advisory in 2018

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.