Alert archive / Wisconsin / Wind Chill Advisories in 2021

Wind Chill Advisory 4, NWS Green Bay, WI

February 9, 202122 counties in Wisconsin

NWS Green Bay, WI issued this wind chill advisory at Feb 9, 2021, 2:40 PM CST for 22 counties in Wisconsin. It took effect at Feb 9, 2021, 9:00 PM CST. It was in force for 14 hr.

The area

The counties it named.

The facts

Issued
Feb 9, 2021, 2:40 PM CST (20:40 UTC)
In effect from
Feb 9, 2021, 9:00 PM CST
Expired
Feb 10, 2021, 11:00 AM CST
In force
14 hr
Issued by
NWS Green Bay, WI
All 22 counties

Brown County, WI, Calumet County, WI, Door County, WI, Florence County, WI, Forest County, WI, Kewaunee County, WI, Langlade County, WI, Lincoln County, WI, Manitowoc County, WI, Marathon County, WI, Marinette County, WI, Menominee County, WI, Oconto County, WI, Oneida County, WI, Outagamie County, WI, Portage County, WI, Shawano County, WI, Vilas County, WI, Waupaca County, WI, Waushara County, WI, Winnebago County, WI, Wood County, WI

The radar

The Green Bay radar (KGRB), 63 km from the middle of the area, began a volume at 20:39 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, 8.7 hours before the alert went out and 65 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 2021-02-09Temperature 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 2021-02-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -9 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
1415 m above ground
0-6 km bulk shear
88 kt
0-1 km storm-relative helicity
-9 m²/s²
0-3 km storm-relative helicity
119 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

681 
WWUS43 KGRB 092040
WSWGRB

URGENT - WINTER WEATHER MESSAGE
National Weather Service Green Bay WI
240 PM CST Tue Feb 9 2021

...BITTERLY COLD CONDITIONS TONIGHT INTO WEDNESDAY MORNING...

.Arctic air will remain over the region throughout the work 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>013-018-019-030-035-036-100400-
/O.NEW.KGRB.WC.Y.0004.210210T0300Z-210210T1700Z/
Vilas-Oneida-Forest-Florence-Northern Marinette County-Lincoln-
Langlade-Marathon-Wood-Portage-
Including the cities of Commonwealth, Spread Eagle, Merrill,
Marshfield, Plover, Wausau, Rhinelander, Aurora, Antigo,
Wisconsin Rapids, Stevens Point, Niagara, Crandon, Lac Du
Flambeau, Eagle River, Tomahawk, and Wausaukee
240 PM CST Tue Feb 9 2021

...WIND CHILL ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 11 AM CST 
WEDNESDAY...

* WHAT...Very cold wind chills expected. Wind chills of 20 to 35 
  below zero.

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

* WHEN...From 9 PM this evening to 11 AM CST Wednesday.

* IMPACTS...The dangerously cold wind chills could cause frostbite 
  on exposed skin in as little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

WIZ020>022-031-037>040-045-048>050-073-074-100400-
/O.NEW.KGRB.WC.Y.0004.210210T0600Z-210210T1700Z/
Menominee-Northern Oconto County-Door-Shawano-Waupaca-Outagamie-
Brown-Kewaunee-Waushara-Winnebago-Calumet-Manitowoc-Southern
Marinette County-Southern Oconto County-
Including the cities of Mountain, New London, Keshena, Brillion,
Townsend, Neopit, Harmony, Crivitz, Clintonville, Oshkosh,
Appleton, Lakewood, Neenah, Manitowoc, Oconto, Little Suamico,
Fish Creek, Chilton, Luxemburg, Porterfield, Waupaca, Middle
Inlet, Green Bay, Loomis, Pensaukee, Brookside, Sturgeon Bay,
High Falls Reservoir, Redgranite, Peshtigo, Menasha, Two Rivers,
Sister Bay, Shawano, Sobieski, New Holstein, Wautoma, and
Kewaunee
240 PM CST Tue Feb 9 2021

...WIND CHILL ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 11 AM CST 
WEDNESDAY...

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

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

* WHEN...From Midnight tonight to 11 AM CST Wednesday.

* IMPACTS...The dangerously cold wind chills could cause frostbite 
  on exposed skin in as little as 30 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

Hykin
3 follow-up statements
985 
WWUS43 KGRB 100300
WSWGRB

URGENT - WINTER WEATHER MESSAGE
National Weather Service Green Bay WI
900 PM CST Tue Feb 9 2021

...BITTERLY COLD CONDITIONS TONIGHT INTO WEDNESDAY MORNING...

.Arctic air will remain entrenched over the region throughout the 
week, resulting in a continuation of the bitterly cold weather. The 
combination of cold temperatures and wind will result in dangerous 
conditions at times.

WIZ005-010>013-018-019-030-035-036-101100-
/O.CON.KGRB.WC.Y.0004.000000T0000Z-210210T1700Z/
Vilas-Oneida-Forest-Florence-Northern Marinette County-Lincoln-
Langlade-Marathon-Wood-Portage-
Including the cities of Commonwealth, Spread Eagle, Merrill,
Marshfield, Plover, Wausau, Rhinelander, Aurora, Antigo,
Wisconsin Rapids, Stevens Point, Niagara, Crandon, Lac Du
Flambeau, Eagle River, Tomahawk, and Wausaukee
900 PM CST Tue Feb 9 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 11 AM CST WEDNESDAY...

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

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

* WHEN...Until 11 AM CST Wednesday.

* 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.

&&

$$

WIZ020>022-031-037>040-045-048>050-073-074-101100-
/O.CON.KGRB.WC.Y.0004.210210T0600Z-210210T1700Z/
Menominee-Northern Oconto County-Door-Shawano-Waupaca-Outagamie-
Brown-Kewaunee-Waushara-Winnebago-Calumet-Manitowoc-Southern
Marinette County-Southern Oconto County-
Including the cities of Mountain, New London, Keshena, Brillion,
Townsend, Neopit, Harmony, Crivitz, Clintonville, Oshkosh,
Appleton, Lakewood, Neenah, Manitowoc, Oconto, Little Suamico,
Fish Creek, Chilton, Luxemburg, Porterfield, Waupaca, Middle
Inlet, Green Bay, Loomis, Pensaukee, Brookside, Sturgeon Bay,
High Falls Reservoir, Redgranite, Peshtigo, Menasha, Two Rivers,
Sister Bay, Shawano, Sobieski, New Holstein, Wautoma, and
Kewaunee
900 PM CST Tue Feb 9 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 11 
AM CST WEDNESDAY...

* WHAT...Very cold. Wind chills as low as 25 below zero.

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

* WHEN...From Midnight tonight to 11 AM CST Wednesday.

* IMPACTS...The combination of wind and cold will result in a 
  situation where exposed skin could suffer frostbite in little as 
  20 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
835 
WWUS43 KGRB 101036
WSWGRB

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

WIZ005-010>013-018-019-030-035-036-101700-
/O.CON.KGRB.WC.Y.0004.000000T0000Z-210210T1700Z/
Vilas-Oneida-Forest-Florence-Northern Marinette County-Lincoln-
Langlade-Marathon-Wood-Portage-
Including the cities of Commonwealth, Spread Eagle, Merrill,
Marshfield, Plover, Wausau, Rhinelander, Aurora, Antigo,
Wisconsin Rapids, Stevens Point, Niagara, Crandon, Lac Du
Flambeau, Eagle River, Tomahawk, and Wausaukee
436 AM CST Wed Feb 10 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 11 AM CST THIS 
MORNING...

* WHAT...Very cold wind chills. Wind chills 25 to 35 below zero.

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

* WHEN...Until 11 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.

&&

$$

WIZ020>022-031-037>040-045-048>050-073-074-101700-
/O.CON.KGRB.WC.Y.0004.000000T0000Z-210210T1700Z/
Menominee-Northern Oconto County-Door-Shawano-Waupaca-Outagamie-
Brown-Kewaunee-Waushara-Winnebago-Calumet-Manitowoc-Southern
Marinette County-Southern Oconto County-
Including the cities of Mountain, New London, Keshena, Brillion,
Townsend, Neopit, Harmony, Crivitz, Clintonville, Oshkosh,
Appleton, Lakewood, Neenah, Manitowoc, Oconto, Little Suamico,
Fish Creek, Chilton, Luxemburg, Porterfield, Waupaca, Middle
Inlet, Green Bay, Loomis, Pensaukee, Brookside, Sturgeon Bay,
High Falls Reservoir, Redgranite, Peshtigo, Menasha, Two Rivers,
Sister Bay, Shawano, Sobieski, New Holstein, Wautoma, and
Kewaunee
436 AM CST Wed Feb 10 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 11 AM CST THIS 
MORNING...

* WHAT...Very cold wind chills. Wind chills as low as 20 below zero.

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

* WHEN...Until 11 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
503 
WWUS43 KGRB 101655
WSWGRB

URGENT - WINTER WEATHER MESSAGE
National Weather Service Green Bay WI
1055 AM CST Wed Feb 10 2021

WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-101800-
/O.EXP.KGRB.WC.Y.0004.000000T0000Z-210210T1700Z/
Vilas-Oneida-Forest-Florence-Northern Marinette County-Lincoln-
Langlade-Menominee-Northern Oconto County-Door-Marathon-Shawano-
Wood-Portage-Waupaca-Outagamie-Brown-Kewaunee-Waushara-Winnebago-
Calumet-Manitowoc-Southern Marinette County-Southern Oconto
County-
Including the cities of Spread Eagle, New London, Brillion,
Keshena, Mountain, Antigo, Neopit, Harmony, High Falls Reservoir,
Eagle River, Crivitz, Clintonville, Townsend, Waupaca,
Marshfield, Lakewood, Neenah, Wausau, Lac Du Flambeau, Aurora,
Oconto, Little Suamico, Fish Creek, Chilton, Luxemburg,
Porterfield, Appleton, Middle Inlet, Green Bay, Manitowoc,
Loomis, Pensaukee, Oshkosh, Rhinelander, Tomahawk, Wautoma,
Crandon, Plover, Brookside, Redgranite, Commonwealth, Peshtigo,
Merrill, Menasha, Two Rivers, Sister Bay, Stevens Point, Shawano,
Sobieski, Niagara, New Holstein, Sturgeon Bay, Wisconsin Rapids,
Wausaukee, and Kewaunee
1055 AM CST Wed Feb 10 2021

...WIND CHILL ADVISORY WILL EXPIRE AT 11 AM CST THIS MORNING...

Although cold temperatures will continue this afternoon, wind chills 
have risen above Wind Chill Advisory criteria.  Therefore, the Wind 
Chill Advisory will be allowed to expire. Bitter cold wind chills 
are expected again tonight and additional headlines are possible.

$$

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

Kurimski

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.