Alert archive / Wisconsin / Wind Chill Advisories in 2021

Wind Chill Advisory 5, NWS La Crosse, WI

February 10, 20218 counties in Iowa; 7 counties in Minnesota; 13 counties in Wisconsin

NWS La Crosse, WI issued this wind chill advisory at Feb 10, 2021, 2:52 PM CST for 8 counties in Iowa; 7 counties in Minnesota; 13 counties in Wisconsin. It took effect at Feb 10, 2021, 9:00 PM CST. It was in force for 13 hr.

The area

The counties it named.

The facts

Issued
Feb 10, 2021, 2:52 PM CST (20:52 UTC)
In effect from
Feb 10, 2021, 9:00 PM CST
Expired
Feb 11, 2021, 10:00 AM CST
In force
13 hr
Issued by
NWS La Crosse, WI
All 28 counties

Allamakee County, IA, Chickasaw County, IA, Clayton County, IA, Fayette County, IA, Floyd County, IA, Howard County, IA, Mitchell County, IA, Winneshiek County, IA, Dodge County, MN, Fillmore County, MN, Houston County, MN, Mower County, MN, Olmsted County, MN, Wabasha County, MN, Winona County, MN, Adams County, WI, Buffalo County, WI, Clark County, WI, Crawford County, WI, Grant County, WI, Jackson County, WI, Juneau County, WI, La Crosse County, WI, Monroe County, WI, Richland County, WI, Taylor County, WI, Trempealeau County, WI, Vernon County, WI

The radar

The La Crosse radar (KARX), 27 km from the middle of the area, began a volume at 20:49 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, 8.9 hours before the alert went out and 210 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 2021-02-10Temperature 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 2021-02-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -72 square meters per square second.1939587897117136156175Sfc1 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
1243 m above ground
0-6 km bulk shear
105 kt
0-1 km storm-relative helicity
-72 m²/s²
0-3 km storm-relative helicity
95 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

201 
WWUS43 KARX 102052
WSWARX

URGENT - WINTER WEATHER MESSAGE
National Weather Service La Crosse WI
252 PM CST Wed Feb 10 2021

...Bitterly Cold Tonight Into Thursday Morning...

.Bitterly cold wind chills will develop once again tonight across
the area, dropping to 20 to 30 below zero overnight into Thursday
morning.

IAZ008-009-018-019-MNZ079-086>088-094-095-WIZ017-029-032>034-
042>044-110700-
/O.NEW.KARX.WC.Y.0005.210211T0300Z-210211T1600Z/
Mitchell-Howard-Floyd-Chickasaw-Wabasha-Dodge-Olmsted-Winona-
Mower-Fillmore-Taylor-Clark-Buffalo-Trempealeau-Jackson-Monroe-
Juneau-Adams-
Including the cities of Osage, Cresco, Charles City, New Hampton,
Wabasha, Dodge Center, Rochester, Winona, Austin, Preston, 
Medford, Neillsville, Alma, Arcadia, Whitehall, 
Black River Falls, Sparta, Tomah, Mauston, and Friendship
252 PM CST Wed Feb 10 2021

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

* WHAT...Very cold wind chills of 25 to 30 below zero.

* WHERE...Portions of central, north central and west central 
  Wisconsin, north central and northeast Iowa and southeast 
  Minnesota.

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

* 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. 

&&

$$

IAZ010-011-029-030-MNZ096-WIZ041-053>055-061-110700-
/O.NEW.KARX.WC.Y.0005.210211T0300Z-210211T1600Z/
Winneshiek-Allamakee-Fayette-Clayton-Houston-La Crosse-Vernon-
Crawford-Richland-Grant-
Including the cities of Decorah, Waukon, Oelwein, Elkader, 
Caledonia, La Crosse, Viroqua, Prairie Du Chien, Richland Center,
and Platteville
252 PM CST Wed Feb 10 2021

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

* WHAT...Very cold wind chills of 20 to 25 below zero.

* WHERE...Portions of southwest and west central Wisconsin, 
  northeast Iowa and southeast Minnesota.

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

* 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. 

&&

$$

Kurz
3 follow-up statements
808 
WWUS43 KARX 110323
WSWARX

URGENT - WINTER WEATHER MESSAGE
National Weather Service La Crosse WI
923 PM CST Wed Feb 10 2021

...Bitterly Cold Into Thursday Morning...

.Bitterly cold wind chills will develop once again tonight across
the area, dropping to 20 to 30 below zero overnight into Thursday
morning.

IAZ008-009-018-019-MNZ079-086>088-094-095-WIZ017-029-032>034-
042>044-111230-
/O.CON.KARX.WC.Y.0005.000000T0000Z-210211T1600Z/
Mitchell-Howard-Floyd-Chickasaw-Wabasha-Dodge-Olmsted-Winona-
Mower-Fillmore-Taylor-Clark-Buffalo-Trempealeau-Jackson-Monroe-
Juneau-Adams-
Including the cities of Osage, Cresco, Charles City, New Hampton,
Wabasha, Dodge Center, Rochester, Winona, Austin, Preston, 
Medford, Neillsville, Alma, Arcadia, Whitehall, 
Black River Falls, Sparta, Tomah, Mauston, and Friendship
923 PM CST Wed Feb 10 2021

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

* WHAT...Very cold wind chills of 25 to 30 below zero.

* WHERE...Portions of central, north central and west central 
  Wisconsin, north central and northeast Iowa and southeast 
  Minnesota.

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

* 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.

&&

$$

IAZ010-011-029-030-MNZ096-WIZ041-053>055-061-111230-
/O.CON.KARX.WC.Y.0005.000000T0000Z-210211T1600Z/
Winneshiek-Allamakee-Fayette-Clayton-Houston-La Crosse-Vernon-
Crawford-Richland-Grant-
Including the cities of Decorah, Waukon, Oelwein, Elkader, 
Caledonia, La Crosse, Viroqua, Prairie Du Chien, Richland Center,
and Platteville
923 PM CST Wed Feb 10 2021

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

* WHAT...Very cold wind chills of 20 to 25 below zero.

* WHERE...Portions of southwest and west central Wisconsin, 
  northeast Iowa and southeast Minnesota.

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

* 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.

&&

$$

Peters
796 
WWUS43 KARX 110831
WSWARX

URGENT - WINTER WEATHER MESSAGE
National Weather Service La Crosse WI
231 AM CST Thu Feb 11 2021

...Bitterly Cold This Morning...

.Bitterly cold wind chills will continue this morning dropping to
20 to 30 below zero.

IAZ008-009-018-019-MNZ079-086>088-094-095-WIZ017-029-032>034-
042>044-111600-
/O.CON.KARX.WC.Y.0005.000000T0000Z-210211T1600Z/
Mitchell-Howard-Floyd-Chickasaw-Wabasha-Dodge-Olmsted-Winona-
Mower-Fillmore-Taylor-Clark-Buffalo-Trempealeau-Jackson-Monroe-
Juneau-Adams-
Including the cities of Osage, Cresco, Charles City, New Hampton,
Wabasha, Dodge Center, Rochester, Winona, Austin, Preston, 
Medford, Neillsville, Alma, Arcadia, Whitehall, 
Black River Falls, Sparta, Tomah, Mauston, and Friendship
231 AM CST Thu Feb 11 2021

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

* WHAT...Very cold wind chills of 25 to 30 below zero.

* WHERE...Portions of central, north central and west central 
  Wisconsin, north central and northeast Iowa and southeast 
  Minnesota. 

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

* 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.

&&

$$

IAZ010-011-029-030-MNZ096-WIZ041-053>055-061-111600-
/O.CON.KARX.WC.Y.0005.000000T0000Z-210211T1600Z/
Winneshiek-Allamakee-Fayette-Clayton-Houston-La Crosse-Vernon-
Crawford-Richland-Grant-
Including the cities of Decorah, Waukon, Oelwein, Elkader, 
Caledonia, La Crosse, Viroqua, Prairie Du Chien, Richland Center,
and Platteville
231 AM CST Thu Feb 11 2021

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

* WHAT...Very cold wind chills of 20 to 25 below zero.

* WHERE...Portions of southwest and west central Wisconsin, 
  northeast Iowa and southeast Minnesota. 

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

* 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.

&&

$$

Zapotocny
210 
WWUS43 KARX 111554
WSWARX

URGENT - WINTER WEATHER MESSAGE
National Weather Service La Crosse WI
954 AM CST Thu Feb 11 2021

IAZ008-009-018-019-MNZ079-086>088-094-095-WIZ017-029-032>034-
042>044-111700-
/O.EXP.KARX.WC.Y.0005.000000T0000Z-210211T1600Z/
Mitchell-Howard-Floyd-Chickasaw-Wabasha-Dodge-Olmsted-Winona-
Mower-Fillmore-Taylor-Clark-Buffalo-Trempealeau-Jackson-Monroe-
Juneau-Adams-
Including the cities of Osage, Cresco, Charles City, New Hampton,
Wabasha, Dodge Center, Rochester, Winona, Austin, Preston, 
Medford, Neillsville, Alma, Arcadia, Whitehall, 
Black River Falls, Sparta, Tomah, Mauston, and Friendship
954 AM CST Thu Feb 11 2021

...WIND CHILL ADVISORY WILL EXPIRE AT 10 AM CST THIS MORNING...

Temperatures and wind chills have moderated some this morning. 
Therefore, the wind chill advisory will be allowed to expire at 10
am this morning.

$$

IAZ010-011-029-030-MNZ096-WIZ041-053>055-061-111700-
/O.EXP.KARX.WC.Y.0005.000000T0000Z-210211T1600Z/
Winneshiek-Allamakee-Fayette-Clayton-Houston-La Crosse-Vernon-
Crawford-Richland-Grant-
Including the cities of Decorah, Waukon, Oelwein, Elkader, 
Caledonia, La Crosse, Viroqua, Prairie Du Chien, Richland Center,
and Platteville
954 AM CST Thu Feb 11 2021

...WIND CHILL ADVISORY WILL EXPIRE AT 10 AM CST THIS MORNING...

Temperatures and wind chills have moderated some this morning. 
Therefore, the wind chill advisory will be allowed to expire at 10
am this morning.

$$

DAS

Nearby

Wind Chill Advisories in Wisconsin, 2021Wind Chill Advisories in Iowa, 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.