Alert archive / Wisconsin / Wind Chill Advisories in 2021

Wind Chill Advisory 5, NWS Green Bay, WI

February 10, 202115 counties in Wisconsin

NWS Green Bay, WI issued this wind chill advisory at Feb 10, 2021, 2:19 PM CST for 15 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, 2:19 PM CST (20:19 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 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 20:16 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, 8.3 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 2021-02-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 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 2021-02-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -31 square meters per square second.1939587897117Sfc1 km3 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
1196 m above ground
0-6 km bulk shear
99 kt
0-1 km storm-relative helicity
-31 m²/s²
0-3 km storm-relative helicity
-7 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

285 
WWUS43 KGRB 102019
WSWGRB

URGENT - WINTER WEATHER MESSAGE
National Weather Service Green Bay WI
219 PM CST Wed Feb 10 2021

...BITTERLY COLD CONDITIONS EXPECTED TONIGHT INTO THURSDAY MORNING...

.An arctic air mass will remain over the region through early next 
week, resulting in a prolonged period of bitterly cold weather. The 
combination of cold temperatures and wind will result in dangerous 
conditions at times.

WIZ005-010>013-018>021-030-031-035>037-045-110430-
/O.NEW.KGRB.WC.Y.0005.210211T0300Z-210211T1600Z/
Vilas-Oneida-Forest-Florence-Northern Marinette County-Lincoln-
Langlade-Menominee-Northern Oconto County-Marathon-Shawano-Wood-
Portage-Waupaca-Waushara-
Including the cities of Spread Eagle, New London, Keshena,
Mountain, Antigo, Neopit, Eagle River, Clintonville, Townsend,
Waupaca, Marshfield, Lakewood, Wausau, Lac Du Flambeau, Aurora,
Rhinelander, Tomahawk, Crandon, Plover, Redgranite, Commonwealth,
Merrill, Wisconsin Rapids, Stevens Point, Shawano, Niagara,
Wautoma, and Wausaukee
219 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 expected. Wind chills of 20 to 30 
  below zero.

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

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

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

Kurimski
3 follow-up statements
820 
WWUS43 KGRB 110325
WSWGRB

URGENT - WINTER WEATHER MESSAGE
National Weather Service Green Bay WI
925 PM CST Wed Feb 10 2021

...BITTERLY COLD CONDITIONS EXPECTED TONIGHT INTO THURSDAY MORNING...

.An arctic air mass will remain over the region through early next 
week, resulting in a prolonged period of bitterly cold weather. The 
combination of cold temperatures and wind will result in dangerous 
conditions at times.

WIZ005-010>013-018>021-030-031-035>037-045-111100-
/O.CON.KGRB.WC.Y.0005.000000T0000Z-210211T1600Z/
Vilas-Oneida-Forest-Florence-Northern Marinette County-Lincoln-
Langlade-Menominee-Northern Oconto County-Marathon-Shawano-Wood-
Portage-Waupaca-Waushara-
Including the cities of Spread Eagle, New London, Keshena,
Mountain, Antigo, Neopit, Eagle River, Clintonville, Townsend,
Waupaca, Marshfield, Lakewood, Wausau, Lac Du Flambeau, Aurora,
Rhinelander, Tomahawk, Crandon, Plover, Redgranite, Commonwealth,
Merrill, Wisconsin Rapids, Stevens Point, Shawano, Niagara,
Wautoma, and Wausaukee
925 PM CST Wed Feb 10 2021

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

* WHAT...Very cold. Wind chills as low as 30 below zero.

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

* WHEN...Until 10 AM CST Thursday.

* IMPACTS...The combination of wind and cold will result in a 
  situation where exposed skin could suffer frostbite in little as 
  15 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

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

JS
501 
WWUS43 KGRB 110922
WSWGRB

URGENT - WINTER WEATHER MESSAGE
National Weather Service Green Bay WI
322 AM CST Thu Feb 11 2021

WIZ005-010>013-018>021-030-031-035>037-045-111600-
/O.CON.KGRB.WC.Y.0005.000000T0000Z-210211T1600Z/
Vilas-Oneida-Forest-Florence-Northern Marinette County-Lincoln-
Langlade-Menominee-Northern Oconto County-Marathon-Shawano-Wood-
Portage-Waupaca-Waushara-
Including the cities of Spread Eagle, New London, Keshena,
Mountain, Antigo, Neopit, Eagle River, Clintonville, Townsend,
Waupaca, Marshfield, Lakewood, Wausau, Lac Du Flambeau, Aurora,
Rhinelander, Tomahawk, Crandon, Plover, Redgranite, Commonwealth,
Merrill, Wisconsin Rapids, Stevens Point, Shawano, Niagara,
Wautoma, and Wausaukee
322 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 35 below zero.

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

* WHEN...Until 10 AM CST this 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, visit us at http://www.weather.gov/GreenBay

RDM
325 
WWUS43 KGRB 111545
WSWGRB

URGENT - WINTER WEATHER MESSAGE
National Weather Service Green Bay WI
945 AM CST Thu Feb 11 2021

WIZ005-010>013-018>021-030-031-035>037-045-111645-
/O.EXP.KGRB.WC.Y.0005.000000T0000Z-210211T1600Z/
Vilas-Oneida-Forest-Florence-Northern Marinette County-Lincoln-
Langlade-Menominee-Northern Oconto County-Marathon-Shawano-Wood-
Portage-Waupaca-Waushara-
Including the cities of Spread Eagle, New London, Keshena,
Mountain, Antigo, Neopit, Eagle River, Clintonville, Townsend,
Waupaca, Marshfield, Lakewood, Wausau, Lac Du Flambeau, Aurora,
Rhinelander, Tomahawk, Crandon, Plover, Redgranite, Commonwealth,
Merrill, Wisconsin Rapids, Stevens Point, Shawano, Niagara,
Wautoma, and Wausaukee
945 AM CST Thu Feb 11 2021

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

Wind chill readings will continue to improve into the teens below 
zero late this morning. Another wind chill advisory may be needed 
late tonight into Friday morning across portions of central and 
north-central Wisconsin.

$$

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.