Alert archive / Minnesota / Wind Chill Warnings in 2021

Wind Chill Warning 5, NWS Duluth, MN

February 13, 202110 counties in Minnesota; 8 counties in Wisconsin

NWS Duluth, MN issued this wind chill warning at Feb 13, 2021, 3:06 PM CST for 10 counties in Minnesota; 8 counties in Wisconsin. It took effect at Feb 13, 2021, 6:00 PM CST. It was in force for 18 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 13, 2021, 3:06 PM CST (21:06 UTC)
In effect from
Feb 13, 2021, 6:00 PM CST
Expired
Feb 14, 2021, 12:00 PM CST
In force
18 hr
Issued by
NWS Duluth, MN

Counties Aitkin County, MN, Carlton County, MN, Cass County, MN, Cook County, MN, Crow Wing County, MN, Itasca County, MN, Koochiching County, MN, Lake County, MN, Pine County, MN, Saint Louis County, MN, Ashland County, WI, Bayfield County, WI, Burnett County, WI, Douglas County, WI, Iron County, WI, Price County, WI, Sawyer County, WI, Washburn County, WI

The radar

The Duluth radar (KDLH), 15 km from the middle of the area, began a volume at 21:02 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 12:00Z, 9.1 hours before the alert went out and 224 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 12:00Z on 2021-02-13Temperature 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 12:00Z on 2021-02-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -13 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
668 m above ground
0-6 km bulk shear
72 kt
0-1 km storm-relative helicity
-13 m²/s²
0-3 km storm-relative helicity
60 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

743 
WWUS43 KDLH 132106
WSWDLH

URGENT - WINTER WEATHER MESSAGE
National Weather Service Duluth MN
306 PM CST Sat Feb 13 2021

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

MNZ010>012-018>021-025-026-035-037-140915-
/O.NEW.KDLH.WC.W.0005.210214T0000Z-210214T1800Z/
/O.NEW.KDLH.WC.Y.0011.210214T1800Z-210215T1800Z/
/O.EXT.KDLH.WC.Y.0010.000000T0000Z-210214T0000Z/
Koochiching-North St. Louis-Northern Cook and Lake-North Itasca-
Central St. Louis-Southern Lake-Southern Cook-North Cass-
South Itasca-Northern Aitkin-Carlton and South St. Louis-
Including the cities of International Falls, Ely, Isabella, 
Bigfork, Hibbing, Two Harbors, Silver Bay, Grand Marais, Walker, 
Grand Rapids, Hill City, and Duluth
306 PM CST Sat Feb 13 2021

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL 6 PM CST THIS
EVENING...
...WIND CHILL WARNING IN EFFECT FROM 6 PM THIS EVENING TO NOON
CST SUNDAY...
...WIND CHILL ADVISORY IN EFFECT FROM NOON SUNDAY TO NOON CST
MONDAY...

* WHAT...For the Wind Chill Warning, dangerously cold wind chills
  expected. Wind chills as low as 60 below zero. For the Wind
  Chill Advisory, very cold wind chills expected. Wind chills as
  low as 35 below zero.

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

* WHEN...For the Wind Chill Warning, from 6 PM this evening to
  noon CST Sunday. For the Wind Chill Advisory, from noon Sunday 
  to noon CST Monday. 

* IMPACTS...The dangerously cold wind chills could cause 
  frostbite on exposed skin in as little as 5 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. 

&&

$$

MNZ038-WIZ001-140915-
/O.NEW.KDLH.WC.W.0005.210214T0000Z-210214T1800Z/
/O.NEW.KDLH.WC.Y.0011.210214T1800Z-210215T1800Z/
/O.EXT.KDLH.WC.Y.0007.000000T0000Z-210214T0000Z/
Pine-Douglas-
Including the cities of Pine City, Hinckley, and Superior
306 PM CST Sat Feb 13 2021

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL 6 PM CST THIS
EVENING...
...WIND CHILL WARNING IN EFFECT FROM 6 PM THIS EVENING TO NOON
CST SUNDAY...
...WIND CHILL ADVISORY IN EFFECT FROM NOON SUNDAY TO NOON CST
MONDAY...

* WHAT...For the Wind Chill Warning, dangerously cold wind chills
  expected. Wind chills as low as 50 below zero. For the Wind
  Chill Advisory, very cold wind chills. Wind chills as low as 35 
  below zero.

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

* WHEN...For the Wind Chill Warning, from 6 PM this evening to
  noon CST Sunday. For the Wind Chill Advisory, from noon Sunday
  to noon CST Monday. 

* IMPACTS...The dangerously cold wind chills could cause 
  frostbite on exposed skin in as little as 5 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. 

&&

$$

MNZ033-034-036-140915-
/O.NEW.KDLH.WC.W.0005.210214T0000Z-210214T1800Z/
/O.NEW.KDLH.WC.Y.0011.210214T1800Z-210215T1800Z/
/O.EXT.KDLH.WC.Y.0006.000000T0000Z-210214T0000Z/
South Cass-Crow Wing-South Aitkin-
Including the cities of Pine River, Brainerd, and Aitkin
306 PM CST Sat Feb 13 2021

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL 6 PM CST THIS
EVENING...
...WIND CHILL WARNING IN EFFECT FROM 6 PM THIS EVENING TO NOON
CST SUNDAY...
...WIND CHILL ADVISORY IN EFFECT FROM NOON SUNDAY TO NOON CST
MONDAY...

* WHAT...For the Wind Chill Warning, dangerously cold wind chills
  expected. Wind chills as low as 50 below zero. For the Wind
  Chill Advisory, 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...For the Wind Chill Warning, from 6 PM this evening to
  noon CST Sunday. For the Wind Chill Advisory, from noon Sunday 
  to noon CST Monday. 

* IMPACTS...The dangerously cold wind chills could cause 
  frostbite on exposed skin in as little as 5 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>009-140915-
/O.NEW.KDLH.WC.W.0005.210214T0000Z-210214T1800Z/
/O.NEW.KDLH.WC.Y.0011.210214T1800Z-210215T1800Z/
/O.EXT.KDLH.WC.Y.0009.000000T0000Z-210214T0000Z/
Bayfield-Ashland-Iron-Burnett-Washburn-Sawyer-Price-
Including the cities of Washburn, Bayfield, Ashland, Hurley, 
Grantsburg, Spooner, Hayward, and Phillips
306 PM CST Sat Feb 13 2021

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL 6 PM CST THIS
EVENING...
...WIND CHILL WARNING IN EFFECT FROM 6 PM THIS EVENING TO NOON
CST SUNDAY...
...WIND CHILL ADVISORY IN EFFECT FROM NOON SUNDAY TO NOON CST
MONDAY...

* WHAT...For the Wind Chill Warning, dangerously cold wind chills
  expected. Wind chills as low as 50 below zero. For the Wind
  Chill Advisory, very cold wind chills. Wind chills as low as 35
  below zero.

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

* WHEN...For the Wind Chill Warning, from 6 PM this evening to
  noon CST Sunday. For the Wind Chill Advisory, from noon Sunday 
  to noon CST Monday. 

* 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. 

&&

$$

BJH

For more information from the National Weather Service visit
http://weather.gov/Duluth
3 follow-up statements
974 
WWUS43 KDLH 140220
WSWDLH

URGENT - WINTER WEATHER MESSAGE
National Weather Service Duluth MN
820 PM CST Sat Feb 13 2021

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

MNZ010>012-018>021-025-026-033>038-WIZ001>004-006>009-141430-
/O.CON.KDLH.WC.W.0005.000000T0000Z-210214T1800Z/
/O.CON.KDLH.WC.Y.0011.210214T1800Z-210215T1800Z/
Koochiching-North St. Louis-Northern Cook and Lake-North Itasca-
Central St. Louis-Southern Lake-Southern Cook-North Cass-
South Itasca-South Cass-Crow Wing-Northern Aitkin-South Aitkin-
Carlton and South St. Louis-Pine-Douglas-Bayfield-Ashland-Iron-
Burnett-Washburn-Sawyer-Price-
Including the cities of International Falls, Ely, Isabella, 
Bigfork, Hibbing, Two Harbors, Silver Bay, Grand Marais, Walker, 
Grand Rapids, Pine River, Brainerd, Hill City, Aitkin, Duluth, 
Pine City, Hinckley, Superior, Washburn, Bayfield, Ashland, 
Hurley, Grantsburg, Spooner, Hayward, and Phillips
820 PM CST Sat Feb 13 2021

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON CST SUNDAY...
...WIND CHILL ADVISORY REMAINS IN EFFECT FROM NOON SUNDAY TO NOON
CST MONDAY...

* WHAT...For the Wind Chill Warning, dangerously cold wind chills.
  Wind chills as low as 55 below zero. For the Wind Chill
  Advisory, very cold wind chills expected. Wind chills as low as
  40 below zero. Wind chills may drop lower than 40 below Sunday
  night and another Wind Chill Warning may be needed. 

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

* WHEN...For the Wind Chill Warning, until noon CST Sunday. For 
  the Wind Chill Advisory, from noon Sunday to noon CST Monday.

* IMPACTS...The dangerously cold wind chills could cause 
  frostbite on exposed skin in as little as 5 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. 

&&

$$

For more information from the National Weather Service visit
http://weather.gov/Duluth
133 
WWUS43 KDLH 140932
WSWDLH

URGENT - WINTER WEATHER MESSAGE
National Weather Service Duluth MN
332 AM CST Sun Feb 14 2021

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

MNZ010>012-018>021-025-026-033>038-WIZ001>004-006>009-142145-
/O.CON.KDLH.WC.W.0005.000000T0000Z-210214T1800Z/
/O.CON.KDLH.WC.Y.0011.210214T1800Z-210215T1800Z/
Koochiching-North St. Louis-Northern Cook and Lake-North Itasca-
Central St. Louis-Southern Lake-Southern Cook-North Cass-
South Itasca-South Cass-Crow Wing-Northern Aitkin-South Aitkin-
Carlton and South St. Louis-Pine-Douglas-Bayfield-Ashland-Iron-
Burnett-Washburn-Sawyer-Price-
Including the cities of International Falls, Ely, Isabella, 
Bigfork, Hibbing, Two Harbors, Silver Bay, Grand Marais, Walker, 
Grand Rapids, Pine River, Brainerd, Hill City, Aitkin, Duluth, 
Pine City, Hinckley, Superior, Washburn, Bayfield, Ashland, 
Hurley, Grantsburg, Spooner, Hayward, and Phillips
332 AM CST Sun Feb 14 2021

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON CST TODAY...
...WIND CHILL ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO NOON
CST MONDAY...

* WHAT...For the Wind Chill Warning, dangerously cold wind 
  chills. Wind chills as low as 55 below zero. For the Wind 
  Chill Advisory, very cold wind chills expected. Wind chills as 
  low as 40 below zero.

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

* WHEN...For the Wind Chill Warning, until noon CST today. For 
  the Wind Chill Advisory, from noon today to noon CST Monday.

* IMPACTS...The dangerously cold wind chills could cause 
  frostbite on exposed skin in as little as 5 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. 

&&

$$

For more information from the National Weather Service visit
http://weather.gov/Duluth
327 
WWUS43 KDLH 141758
WSWDLH

URGENT - WINTER WEATHER MESSAGE
National Weather Service Duluth MN
1158 AM CST Sun Feb 14 2021

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

Another night of dangerously cold temperatures and wind chills are
expected tonight. An upgrade to a Wind Chill Warning may be
needed.

MNZ010>012-018>021-025-026-033>038-WIZ001>004-006>009-150600-
/O.EXP.KDLH.WC.W.0005.000000T0000Z-210214T1800Z/
/O.CON.KDLH.WC.Y.0011.210214T1800Z-210215T1800Z/
Koochiching-North St. Louis-Northern Cook and Lake-North Itasca-
Central St. Louis-Southern Lake-Southern Cook-North Cass-
South Itasca-South Cass-Crow Wing-Northern Aitkin-South Aitkin-
Carlton and South St. Louis-Pine-Douglas-Bayfield-Ashland-Iron-
Burnett-Washburn-Sawyer-Price-
Including the cities of International Falls, Ely, Isabella, 
Bigfork, Hibbing, Two Harbors, Silver Bay, Grand Marais, Walker, 
Grand Rapids, Pine River, Brainerd, Hill City, Aitkin, Duluth, 
Pine City, Hinckley, Superior, Washburn, Bayfield, Ashland, 
Hurley, Grantsburg, Spooner, Hayward, and Phillips
1158 AM CST Sun Feb 14 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST MONDAY...
...WIND CHILL WARNING WILL EXPIRE AT NOON CST TODAY...

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

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

* WHEN...Until noon CST Monday.

* 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

The office that day

Everything else NWS Duluth, MN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 13, 3:06 PM CSTWind Chill AdvisoryDLHAitkin, Carlton, Cass, Cook, Crow Wing, Itasca and 4 more27 hr

Nearby

Wind Chill Warnings in Minnesota, 2021Wind Chill Warnings in Wisconsin, 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.