Alert archive / Minnesota / Wind Chill Warnings in 2021

Wind Chill Warning 2, NWS Duluth, MN

February 10, 20216 counties in Minnesota

NWS Duluth, MN issued this wind chill warning at Feb 10, 2021, 12:52 AM CST for 6 counties in Minnesota. It was in force for 9 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Feb 10, 2021, 12:52 AM CST (06:52 UTC)
Expired
Feb 10, 2021, 9:55 AM CST
In force
9 hr
Issued by
NWS Duluth, MN

Counties Cass County, MN, Cook County, MN, Itasca County, MN, Koochiching County, MN, Lake County, MN, Saint Louis County, MN

The radar

The Duluth radar (KDLH), 93 km from the middle of the area, began a volume at 06:55 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

International Fa, MN (KINL), launched 00:00Z, 6.9 hours before the alert went out and 116 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, International Fa, MN at 00:00Z 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 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, International Fa, MN at 00:00Z on 2021-02-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 42 square meters per square second.1939587897Sfc1 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
1085 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
42 m²/s²
0-3 km storm-relative helicity
74 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

088 
WWUS43 KDLH 100652
WSWDLH

URGENT - WINTER WEATHER MESSAGE
National Weather Service Duluth MN
1252 AM CST Wed Feb 10 2021

...PROLONGED PERIOD OF BITTERLY COLD TEMPERATURES AND WIND
CHILLS...

MNZ010>012-018-019-026-101900-
/O.UPG.KDLH.WC.Y.0007.000000T0000Z-210214T1800Z/
/O.NEW.KDLH.WC.W.0002.210210T0652Z-210210T1600Z/
/O.EXB.KDLH.WC.Y.0009.210210T1600Z-210214T1800Z/
Koochiching-North St. Louis-Northern Cook and Lake-North Itasca-
Central St. Louis-South Itasca-
Including the cities of International Falls, Ely, Isabella, 
Bigfork, Hibbing, and Grand Rapids
1252 AM CST Wed Feb 10 2021

...WIND CHILL WARNING IN EFFECT UNTIL 10 AM CST THIS MORNING...
...WIND CHILL ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO NOON
CST SUNDAY...

* WHAT...For the Wind Chill Warning, dangerously cold wind 
  chills. Wind chills as low as 40 below zero. For the Wind 
  Chill Advisory, very cold wind chills expected. Wind chills as 
  low as 40 below zero.

* WHERE...Koochiching, North St. Louis, Northern Cook and Lake, 
  North Itasca, Central St. Louis and South Itasca Counties. 
  This includes the Tribal Lands of the Bois Forte Band, Deer 
  Creek, Nett Lake and, Lake Vermillion areas.

* WHEN...For the Wind Chill Warning, until 10 AM CST this 
  morning. For the Wind Chill Advisory, from 10 AM this morning 
  to noon CST Sunday.

* IMPACTS...The dangerously cold wind chills could cause 
  frostbite on exposed skin in as little as 10 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid outside activities if possible. When outside, make sure you
wear appropriate clothing, a hat, and gloves. 

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

&&

$$

MNZ025-101900-
/O.UPG.KDLH.WC.Y.0008.000000T0000Z-210214T1800Z/
/O.NEW.KDLH.WC.W.0002.210210T0652Z-210210T1600Z/
/O.EXB.KDLH.WC.Y.0009.210210T1600Z-210214T1800Z/
North Cass-
Including the city of Walker
1252 AM CST Wed Feb 10 2021

...WIND CHILL WARNING IN EFFECT UNTIL 10 AM CST THIS MORNING...
...WIND CHILL ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO NOON
CST SUNDAY...

* WHAT...For the Wind Chill Warning, dangerously cold wind 
  chills. Wind chills as low as 35 below zero. For the Wind 
  Chill Advisory, very cold wind chills expected. Wind chills as 
  low as 40 below zero.

* WHERE...North Cass County.

* WHEN...For the Wind Chill Warning, until 10 AM CST this 
  morning. For the Wind Chill Advisory, from 10 AM this morning 
  to noon CST Sunday.

* IMPACTS...The dangerously cold wind chills could cause 
  frostbite on exposed skin in as little as 10 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid outside activities if possible. When outside, make sure you
wear appropriate clothing, a hat, and gloves. 

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

&&

$$

WIZ002>004-006>009-101900-
/O.EXT.KDLH.WC.Y.0009.000000T0000Z-210214T0700Z/
Bayfield-Ashland-Iron-Burnett-Washburn-Sawyer-Price-
Including the cities of Washburn, Bayfield, Ashland, Hurley, 
Grantsburg, Spooner, Hayward, and Phillips
1252 AM CST Wed Feb 10 2021

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL 1 AM CST SUNDAY...

* WHAT...Very cold wind chills. Wind chills as low as 35 below 
  zero.

* WHERE...Sawyer, Price, Iron, Burnett, Washburn, Bayfield and 
  Ashland Counties. This includes the Tribal Lands of the Red 
  Cliff Band, the Lac Courte Oreilles Reservation and the Bad 
  River Reservation.

* WHEN...Until 1 AM CST Sunday.

* 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. 

&&

$$

MNZ020-021-038-WIZ001-101900-
/O.CON.KDLH.WC.Y.0007.000000T0000Z-210214T1800Z/
Southern Lake-Southern Cook-Pine-Douglas-
Including the cities of Two Harbors, Silver Bay, Grand Marais, 
Pine City, Hinckley, and Superior
1252 AM CST Wed Feb 10 2021

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

* WHAT...Very cold wind chills. Wind chills as low as 40 below 
  zero.

* WHERE...Portions of northwest Wisconsin and east central, 
  north central and northeast Minnesota.

* WHEN...Until noon CST Sunday.

* 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. 

&&

$$

MNZ033-034-036-101900-
/O.CON.KDLH.WC.Y.0006.000000T0000Z-210214T1800Z/
South Cass-Crow Wing-South Aitkin-
Including the cities of Pine River, Brainerd, and Aitkin
1252 AM CST Wed Feb 10 2021

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

* WHAT...Very cold wind chills. Wind chills as low as 40 below 
  zero.

* WHERE...South Cass, Crow Wing and South Aitkin Counties. This 
  includes the Tribal Lands of the Mille Lacs Band, East Lake 
  area.

* WHEN...Until noon CST Sunday.

* 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. 

&&

$$

MNZ035-037-101900-
/O.CON.KDLH.WC.Y.0008.000000T0000Z-210214T1800Z/
Northern Aitkin-Carlton and South St. Louis-
Including the cities of Hill City and Duluth
1252 AM CST Wed Feb 10 2021

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

* WHAT...Very cold wind chills. Wind chills as low as 40 below 
  zero.

* WHERE...North Cass, Northern Aitkin and Carlton and South St. 
  Louis Counties. This includes the Tribal Lands of the Fond du 
  Lac Band and the Mille Lacs Band, Big Sandy Lake area.

* WHEN...Until noon CST Sunday.

* 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 from the National Weather Service visit
http://weather.gov/Duluth
1 follow-up statement
178 
WWUS43 KDLH 101555
WSWDLH

URGENT - WINTER WEATHER MESSAGE
National Weather Service Duluth MN
955 AM CST Wed Feb 10 2021

...PROLONGED PERIOD OF BITTERLY COLD TEMPERATURES AND WIND
CHILLS...

MNZ010>012-018-019-025-026-110400-
/O.CAN.KDLH.WC.W.0002.000000T0000Z-210210T1600Z/
/O.EXT.KDLH.WC.Y.0009.210210T1600Z-210214T0700Z/
Koochiching-North St. Louis-Northern Cook and Lake-North Itasca-
Central St. Louis-North Cass-South Itasca-
Including the cities of International Falls, Ely, Isabella, 
Bigfork, Hibbing, Walker, and Grand Rapids
955 AM CST Wed Feb 10 2021

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL 1 AM CST SUNDAY...
...WIND CHILL WARNING IS CANCELLED...

* WHAT...Very cold wind chills expected. Wind chills as low as 35  
  below zero.

* WHERE...Northern Cook and Lake, South Itasca, North Cass, 
  Koochiching, North St. Louis, North Itasca and Central St. 
  Louis Counties. This includes the Tribal Lands of the Bois 
  Forte Band, Deer Creek, Nett Lake and, Lake Vermillion areas.

* WHEN...Until 1 AM CST Sunday.

* 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. 

&&

$$

MNZ020-021-038-WIZ001-110400-
/O.EXT.KDLH.WC.Y.0007.000000T0000Z-210214T0700Z/
Southern Lake-Southern Cook-Pine-Douglas-
Including the cities of Two Harbors, Silver Bay, Grand Marais, 
Pine City, Hinckley, and Superior
955 AM CST Wed Feb 10 2021

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL 1 AM CST SUNDAY...

* WHAT...Very cold wind chills. Wind chills as low as 35 below 
  zero.

* WHERE...In Wisconsin, Douglas County. In Minnesota, Southern 
  Cook, Southern Lake and Pine Counties. This includes the 
  Tribal Lands of the Grand Portage Reservation and the Mille 
  Lacs Band, Lena Lake and, Hinckley areas.

* WHEN...Until 1 AM CST Sunday.

* 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. 

&&

$$

MNZ033-034-036-110400-
/O.EXT.KDLH.WC.Y.0006.000000T0000Z-210214T0700Z/
South Cass-Crow Wing-South Aitkin-
Including the cities of Pine River, Brainerd, and Aitkin
955 AM CST Wed Feb 10 2021

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL 1 AM CST SUNDAY...

* WHAT...Very cold wind chills. Wind chills as low as 35 below 
  zero.

* WHERE...South Cass, Crow Wing and South Aitkin Counties. This 
  includes the Tribal Lands of the Mille Lacs Band, East Lake 
  area.

* WHEN...Until 1 AM CST Sunday.

* 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. 

&&

$$

MNZ035-037-110400-
/O.EXT.KDLH.WC.Y.0008.000000T0000Z-210214T0700Z/
Northern Aitkin-Carlton and South St. Louis-
Including the cities of Hill City and Duluth
955 AM CST Wed Feb 10 2021

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL 1 AM CST SUNDAY...

* WHAT...Very cold wind chills. Wind chills as low as 35 below 
  zero.

* WHERE...Northern Aitkin and Carlton and South St. Louis 
  Counties. This includes the Tribal Lands of the Fond du Lac 
  Band and the Mille Lacs Band, Big Sandy Lake area.

* WHEN...Until 1 AM CST Sunday.

* 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. 

&&

$$

WIZ002>004-006>009-110400-
/O.CON.KDLH.WC.Y.0009.000000T0000Z-210214T0700Z/
Bayfield-Ashland-Iron-Burnett-Washburn-Sawyer-Price-
Including the cities of Washburn, Bayfield, Ashland, Hurley, 
Grantsburg, Spooner, Hayward, and Phillips
955 AM CST Wed Feb 10 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 1 AM CST SUNDAY...

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

* WHERE...Sawyer, Price, Iron, Burnett, Washburn, Bayfield and 
  Ashland Counties. This includes the Tribal Lands of the Red 
  Cliff Band, the Lac Courte Oreilles Reservation and the Bad 
  River Reservation.

* WHEN...Until 1 AM CST Sunday.

* 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. 

&&

$$

For more information from the National Weather Service visit
http://weather.gov/Duluth

Nearby

Wind Chill Warnings in Minnesota, 2021Every wind chill warning 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.