Alert archive / Wisconsin / Wind Chill Advisories in 2021

Wind Chill Advisory 1, NWS Green Bay, WI

February 5, 20219 counties in Wisconsin

NWS Green Bay, WI issued this wind chill advisory at Feb 5, 2021, 2:27 PM CST for 9 counties in Wisconsin. It took effect at Feb 6, 2021, 12:00 AM CST. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Feb 5, 2021, 2:27 PM CST (20:27 UTC)
In effect from
Feb 6, 2021, 12:00 AM CST
Expired
Feb 6, 2021, 12:00 PM CST
In force
12 hr
Issued by
NWS Green Bay, WI

Counties Florence County, WI, Forest County, WI, Langlade County, WI, Lincoln County, WI, Marathon County, WI, Oneida County, WI, Portage County, WI, Vilas County, WI, Wood County, WI

The radar

The Green Bay radar (KGRB), 133 km from the middle of the area, began a volume at 20:33 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, 8.5 hours before the alert went out and 135 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 2021-02-05Temperature 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 2021-02-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 52 square meters per square second.19395878Sfc1 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
848 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
52 m²/s²
0-3 km storm-relative helicity
49 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

765 
WWUS43 KGRB 052027
WSWGRB

URGENT - WINTER WEATHER MESSAGE
National Weather Service Green Bay WI
227 PM CST Fri Feb 5 2021

...BITTERLY COLD WIND CHILLS BEGINS TONIGHT...

.An arctic air mass will bring cold temperatures to the region 
tonight through next week. The combination of cold temperatures and 
wind will cause bitter cold wind chills beginning tonight through 
Saturday morning for portions of central and north-central 
Wisconsin. The very cold wind chills are expected to continue 
through next week across the entire area.

WIZ005-010>012-018-019-030-035-036-060900-
/O.NEW.KGRB.WC.Y.0001.210206T0600Z-210206T1800Z/
Vilas-Oneida-Forest-Florence-Lincoln-Langlade-Marathon-Wood-
Portage-
Including the cities of Commonwealth, Spread Eagle, Merrill,
Marshfield, Plover, Wausau, Rhinelander, Aurora, Antigo,
Wisconsin Rapids, Stevens Point, Crandon, Lac Du Flambeau, Eagle
River, and Tomahawk
227 PM CST Fri Feb 5 2021

...WIND CHILL ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO NOON CST 
SATURDAY...

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

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

* WHEN...From Midnight tonight 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.

&&

$$

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

Hykin
2 follow-up statements
801 
WWUS43 KGRB 060259
WSWGRB

URGENT - WINTER WEATHER MESSAGE
National Weather Service Green Bay WI
859 PM CST Fri Feb 5 2021

...BITTERLY COLD CONDITIONS BEGIN TONIGHT...

.An arctic air mass will bring cold temperatures to the region
tonight through next week. The combination of cold temperatures
and wind will result in hazardous conditions for anyone outdoors
without adequate winter clothing. Dangerously cold conditions are
expected to continue at times throughout the upcoming week.

WIZ005-010>012-018-019-030-035-036-061100-
/O.CON.KGRB.WC.Y.0001.210206T0600Z-210206T1800Z/
Vilas-Oneida-Forest-Florence-Lincoln-Langlade-Marathon-Wood-
Portage-
Including the cities of Eagle River, Lac Du Flambeau, 
Rhinelander, Crandon, Aurora, Commonwealth, Spread Eagle, 
Merrill, Tomahawk, Antigo, Wausau, Marshfield, Wisconsin Rapids, 
Stevens Point, and Plover
859 PM CST Fri Feb 5 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
NOON CST SATURDAY...

* WHAT...Wind chills of 20 below to 30 below zero.

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

* WHEN...From Midnight to Noon CST Saturday.

* IMPACTS...The combination of wind and cold could lead to 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.

&&

$$
905 
WWUS43 KGRB 060928
WSWGRB

URGENT - WINTER WEATHER MESSAGE
National Weather Service Green Bay WI
328 AM CST Sat Feb 6 2021

...BITTERLY COLD CONDITIONS BEGIN THIS MORNING...

.An arctic air mass will bring cold temperatures to the region
through next week. The combination of cold temperatures and wind 
will result in hazardous conditions for anyone outdoors without 
adequate winter clothing. Dangerously cold conditions are expected
to continue at times throughout the upcoming week.

WIZ005-010>012-018-019-030-035-036-061800-
/O.CON.KGRB.WC.Y.0001.000000T0000Z-210206T1800Z/
Vilas-Oneida-Forest-Florence-Lincoln-Langlade-Marathon-Wood-
Portage-
Including the cities of Eagle River, Lac Du Flambeau, 
Rhinelander, Crandon, Aurora, Commonwealth, Spread Eagle, 
Merrill, Tomahawk, Antigo, Wausau, Marshfield, Wisconsin Rapids, 
Stevens Point, and Plover
328 AM CST Sat Feb 6 2021

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

* WHAT...Wind chills of 20 below to 30 below zero.

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

* WHEN...Until noon CST today.

* IMPACTS...The combination of wind and cold could lead to 
  frostbite on exposed skin in as little as 30 minutes.

* ADDITIONAL DETAILS...Even colder conditions are anticipated
  tonight into Sunday morning, with wind chills reaching 25 to 30
  below zero in northeast and east central Wisconsin, and 30 to 
  40 below zero in north central and central Wisconsin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution while traveling outside. Wear appropriate clothing, a
hat, and gloves. Cover all exposed skin to prevent frostbite.

&&

$$
Kieckbusch

The office that day

Everything else NWS Green Bay, WI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 5, 2:17 AM CSTWinter Weather AdvisoryGRBBrown, Calumet, Door, Florence, Forest, Kewaunee and 16 more10 hr

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.