Alert archive / Wisconsin / Wind Chill Advisories in 2021

Wind Chill Advisory 7, NWS Green Bay, WI

February 12, 202115 counties in Wisconsin

NWS Green Bay, WI issued this wind chill advisory at Feb 12, 2021, 2:02 PM CST for 15 counties in Wisconsin. It took effect at Feb 12, 2021, 6:00 PM CST. It was in force for 18 hr.

The area

The counties it named.

The facts

Issued
Feb 12, 2021, 2:02 PM CST (20:02 UTC)
In effect from
Feb 12, 2021, 6:00 PM CST
Expired
Feb 13, 2021, 12:00 PM CST
In force
18 hr
Issued by
NWS Green Bay, WI

Counties Florence County, WI, Forest County, WI, Langlade County, WI, Lincoln County, WI, Marathon County, WI, Marinette County, WI, Menominee County, WI, Oconto County, WI, Oneida County, WI, Portage County, WI, Shawano County, WI, Vilas County, WI, Waupaca County, WI, Waushara County, WI, Wood County, WI

The radar

The Green Bay radar (KGRB), 101 km from the middle of the area, began a volume at 19:59 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

Green Bay/Straub, WI (KGRB), launched 12:00Z, 8.0 hours before the alert went out and 103 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, Green Bay/Straub, WI at 12:00Z on 2021-02-12Temperature 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, Green Bay/Straub, WI at 12:00Z on 2021-02-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 71 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
724 m above ground
0-6 km bulk shear
112 kt
0-1 km storm-relative helicity
71 m²/s²
0-3 km storm-relative helicity
273 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

724 
WWUS43 KGRB 122002
WSWGRB

URGENT - WINTER WEATHER MESSAGE
National Weather Service Green Bay WI
202 PM CST Fri Feb 12 2021

...BITTER COLD WIND CHILL READINGS EXPECTED TONIGHT INTO SATURDAY 
MORNING. ...

.The bitter cold continues tonight with wind chill readings of 20 to 
35 degrees below zero.

WIZ005-010-018-019-030-035-036-130515-
/O.NEW.KGRB.WC.Y.0007.210213T0000Z-210213T1800Z/
Vilas-Oneida-Lincoln-Langlade-Marathon-Wood-Portage-
Including the cities of Merrill, Marshfield, Wausau, Rhinelander,
Tomahawk, Antigo, Plover, Stevens Point, Lac Du Flambeau, Eagle
River, and Wisconsin Rapids
202 PM CST Fri Feb 12 2021

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

* WHAT...Bitterly cold wind chills expected with readings of 25 
  below to 35 below zero. Coldest wind chill readings are expected 
  across north-central Wisconsin.

* WHERE...Portions of central and north central Wisconsin.

* WHEN...From 6 PM this evening to Noon CST Saturday.

* IMPACTS...The dangerously 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.

&&

$$

WIZ011>013-020-021-031-037-045-130515-
/O.NEW.KGRB.WC.Y.0007.210213T0300Z-210213T1500Z/
Forest-Florence-Northern Marinette County-Menominee-Northern
Oconto County-Shawano-Waupaca-Waushara-
Including the cities of Commonwealth, Spread Eagle, New London,
Lakewood, Keshena, Mountain, Aurora, Shawano, Neopit, Niagara,
Townsend, Crandon, Wautoma, Redgranite, Clintonville, Wausaukee,
and Waupaca
202 PM CST Fri Feb 12 2021

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

* WHAT...Bitterly cold wind chills expected with readings down to 25 
  below zero.

* WHERE...Portions of central and northeast Wisconsin.

* WHEN...From 9 PM this evening to 9 AM CST Saturday.

* IMPACTS...The dangerously 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, visit us at http://www.weather.gov/GreenBay

Eckberg
4 follow-up statements
628 
WWUS43 KGRB 130337
WSWGRB

URGENT - WINTER WEATHER MESSAGE
National Weather Service Green Bay WI
937 PM CST Fri Feb 12 2021

...BITTER COLD WIND CHILL READINGS EXPECTED TONIGHT INTO SATURDAY 
MORNING. ...

.The bitter cold continues tonight with wind chill readings of 20 to 
35 degrees below zero.

WIZ005-010-018-019-030-035-036-131100-
/O.CON.KGRB.WC.Y.0007.000000T0000Z-210213T1800Z/
Vilas-Oneida-Lincoln-Langlade-Marathon-Wood-Portage-
Including the cities of Merrill, Marshfield, Wausau, Rhinelander,
Tomahawk, Antigo, Plover, Stevens Point, Lac Du Flambeau, Eagle
River, and Wisconsin Rapids
937 PM CST Fri Feb 12 2021

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

* WHAT...Bitterly cold wind chills expected with readings of 25 
  below to 35 below zero. Coldest wind chill readings are expected 
  across north-central Wisconsin.

* WHERE...Portions of central and north central Wisconsin.

* WHEN...Until Noon CST Saturday.

* IMPACTS...The dangerously 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.

&&

$$

WIZ011>013-020-021-031-037-045-131100-
/O.CON.KGRB.WC.Y.0007.000000T0000Z-210213T1500Z/
Forest-Florence-Northern Marinette County-Menominee-Northern
Oconto County-Shawano-Waupaca-Waushara-
Including the cities of Commonwealth, Spread Eagle, New London,
Lakewood, Keshena, Mountain, Aurora, Shawano, Neopit, Niagara,
Townsend, Crandon, Wautoma, Redgranite, Clintonville, Wausaukee,
and Waupaca
937 PM CST Fri Feb 12 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST SATURDAY...

* WHAT...Bitterly cold wind chills expected with readings down to 25 
  below zero.

* WHERE...Portions of central and northeast Wisconsin.

* WHEN...Until 9 AM CST Saturday.

* IMPACTS...The dangerously 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, visit us at http://www.weather.gov/GreenBay

Kallas
920 
WWUS43 KGRB 131041
WSWGRB

URGENT - WINTER WEATHER MESSAGE
National Weather Service Green Bay WI
441 AM CST Sat Feb 13 2021

WIZ005-010-018-019-030-035-036-131800-
/O.CON.KGRB.WC.Y.0007.000000T0000Z-210213T1800Z/
Vilas-Oneida-Lincoln-Langlade-Marathon-Wood-Portage-
Including the cities of Merrill, Marshfield, Wausau, Rhinelander,
Tomahawk, Antigo, Plover, Stevens Point, Lac Du Flambeau, Eagle
River, and Wisconsin Rapids
441 AM CST Sat Feb 13 2021

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

* WHAT...Very cold wind chills. Wind chills of 20 to 30 below zero.

* WHERE...Portions of central and north central Wisconsin.

* WHEN...Until Noon CST today.

* 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.

&&

$$

WIZ011>013-020-021-031-037-045-131500-
/O.CON.KGRB.WC.Y.0007.000000T0000Z-210213T1500Z/
Forest-Florence-Northern Marinette County-Menominee-Northern
Oconto County-Shawano-Waupaca-Waushara-
Including the cities of Commonwealth, Spread Eagle, New London,
Lakewood, Keshena, Mountain, Aurora, Shawano, Neopit, Niagara,
Townsend, Crandon, Wautoma, Redgranite, Clintonville, Wausaukee,
and Waupaca
441 AM CST Sat Feb 13 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST THIS 
MORNING...

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

* WHERE...Portions of central and northeast Wisconsin.

* WHEN...Until 9 AM CST this morning.

* IMPACTS...The dangerously 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, visit us at http://www.weather.gov/GreenBay

RDM
417 
WWUS43 KGRB 131441
WSWGRB

URGENT - WINTER WEATHER MESSAGE
National Weather Service Green Bay WI
841 AM CST Sat Feb 13 2021

...WIND CHILL READINGS SLOWLY IMPROVING THIS MORNING...

.Wind chill readings will continue to slowly improve into the 10 to 
20  below zero range late this morning across portions of central 
and north-central Wisconsin.

WIZ011>013-020-021-031-037-045-131545-
/O.EXP.KGRB.WC.Y.0007.000000T0000Z-210213T1500Z/
Forest-Florence-Northern Marinette County-Menominee-Northern
Oconto County-Shawano-Waupaca-Waushara-
Including the cities of Commonwealth, Spread Eagle, New London,
Lakewood, Keshena, Mountain, Aurora, Shawano, Neopit, Niagara,
Townsend, Crandon, Wautoma, Redgranite, Clintonville, Wausaukee,
and Waupaca
841 AM CST Sat Feb 13 2021

...WIND CHILL ADVISORY WILL EXPIRE AT 9 AM CST THIS MORNING...

Wind chill readings have risen to 10 to 20 below zero this morning, 
thus the wind chill advisory will be allowed to expire. It will 
remain cold, thus wear layers of clothing, a hat and glove to 
protect yourself from frostbite.

$$

WIZ005-010-018-019-030-035-036-131745-
/O.CON.KGRB.WC.Y.0007.000000T0000Z-210213T1800Z/
Vilas-Oneida-Lincoln-Langlade-Marathon-Wood-Portage-
Including the cities of Merrill, Marshfield, Wausau, Rhinelander,
Tomahawk, Antigo, Plover, Stevens Point, Lac Du Flambeau, Eagle
River, and Wisconsin Rapids
841 AM CST Sat Feb 13 2021

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

* WHAT...Very cold wind chills. Wind chills as low as around 25 
  below zero will gradually improve into the 10 to 20 below zero 
  range by noon.

* WHERE...Portions of central and north central Wisconsin.

* WHEN...Until Noon CST today.

* IMPACTS...The dangerously 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, visit us at http://www.weather.gov/GreenBay

Eckberg
615 
WWUS43 KGRB 131753
WSWGRB

URGENT - WINTER WEATHER MESSAGE
National Weather Service Green Bay WI
1153 AM CST Sat Feb 13 2021

WIZ005-010-018-019-030-035-036-131900-
/O.EXP.KGRB.WC.Y.0007.000000T0000Z-210213T1800Z/
Vilas-Oneida-Lincoln-Langlade-Marathon-Wood-Portage-
Including the cities of Merrill, Marshfield, Wausau, Rhinelander,
Tomahawk, Antigo, Plover, Stevens Point, Lac Du Flambeau, Eagle
River, and Wisconsin Rapids
1153 AM CST Sat Feb 13 2021

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

Wind chill readings will hover around 20 below zero this afternoon. 
Wear layers of clothing, gloves and a hat to protect yourself from 
frostbite. Wind chill headlines will be needed again tonight into 
Sunday.

$$

For more information, visit us at http://www.weather.gov/GreenBay

Eckberg

Nearby

Wind Chill Advisories in Wisconsin, 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.