Alert archive / Indiana / Wind Chill Advisories in 2021

Wind Chill Advisory 1, NWS Northern Indiana

February 6, 202118 counties in Indiana

NWS Northern Indiana issued this wind chill advisory at Feb 6, 2021, 3:24 PM EST for 18 counties in Indiana. It took effect at Feb 7, 2021, 3:00 AM EST. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued
Feb 6, 2021, 3:24 PM EST (20:24 UTC)
In effect from
Feb 7, 2021, 3:00 AM EST
Expired
Feb 7, 2021, 1:00 PM EST
In force
10 hr
Issued by
NWS Northern Indiana

Counties Adams County, IN, Allen County, IN, Blackford County, IN, Cass County, IN, Elkhart County, IN, Fulton County, IN, Grant County, IN, Huntington County, IN, Jay County, IN, Marshall County, IN, Miami County, IN, Noble County, IN, Pulaski County, IN, Starke County, IN, Wabash County, IN, Wells County, IN, White County, IN, Whitley County, IN

The radar

The Northern Indiana radar (KIWX), 48 km from the middle of the area, began a volume at 20:22 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

Cncnati-Daytn, OH (KILN), launched 12:00Z, 8.4 hours before the alert went out and 238 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, Cncnati-Daytn, OH at 12:00Z on 2021-02-06Temperature 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, Cncnati-Daytn, OH at 12:00Z on 2021-02-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 165 square meters per square second.1939587897117136156Sfc1 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
1063 m above ground
0-6 km bulk shear
82 kt
0-1 km storm-relative helicity
165 m²/s²
0-3 km storm-relative helicity
293 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

389 
WWUS43 KIWX 062024
WSWIWX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Northern Indiana
324 PM EST Sat Feb 6 2021

INZ003-070430-
/O.NEW.KIWX.WC.Y.0001.210207T0800Z-210207T1800Z/
/O.CON.KIWX.WW.Y.0005.210207T0000Z-210207T1300Z/
La Porte-
Including the cities of Michigan City and La Porte
224 PM CST Sat Feb 6 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS
EVENING TO 7 AM CST SUNDAY...
...WIND CHILL ADVISORY IN EFFECT FROM 2 AM TO NOON CST SUNDAY...

* WHAT...For the Winter Weather Advisory, snow expected. Total
  snow accumulations of 2 to 3 inches. For the Wind Chill
  Advisory, wind chills as low as 25 below zero.

* WHERE...La Porte County.

* WHEN...For the Winter Weather Advisory, from 6 PM this evening 
  to 7 AM CST Sunday. For the Wind Chill Advisory, from 2 AM to 
  noon CST Sunday.

* IMPACTS...Plan on slippery road conditions. The cold wind chills
  could cause frostbite on exposed skin in as little as 30
  minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

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

&&

$$

INZ004-005-008-012>018-020-022>027-032>034-070430-
/O.NEW.KIWX.WC.Y.0001.210207T0800Z-210207T1800Z/
St. Joseph IN-Elkhart-Noble-Starke-Pulaski-Marshall-Fulton IN-
Kosciusko-Whitley-Allen IN-White-Cass IN-Miami-Wabash-Huntington-
Wells-Adams-Grant-Blackford-Jay-
Including the cities of South Bend, Mishawaka, New Carlisle, 
Walkerton, Elkhart, Goshen, Nappanee, Kendallville, Ligonier, 
Albion, Knox, North Judson, Bass Lake, Winamac, Francesville, 
Medaryville, Plymouth, Bremen, Culver, Rochester, Akron, Warsaw, 
Winona Lake, Syracuse, Mentone, Columbia City, Tri-Lakes, 
South Whitley, Fort Wayne, New Haven, Monticello, Monon, 
Brookston, Logansport, Royal Center, Peru, Grissom AFB, Mexico, 
Wabash, North Manchester, Huntington, Roanoke, Bluffton, Ossian, 
Decatur, Berne, Marion, Gas City, Upland, Hartford City, 
Montpelier, Portland, and Dunkirk
324 PM EST Sat Feb 6 2021 /224 PM CST Sat Feb 6 2021/

...WIND CHILL ADVISORY IN EFFECT FROM 3 AM EST /2 AM CST/ TO 1 PM
EST /NOON CST/ SUNDAY...

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

* WHERE...Portions of northern Indiana.

* WHEN...From 3 AM EST /2 AM CST/ to 1 PM EST /noon 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. 

&&

$$

MIZ077-078-070430-
/O.CON.KIWX.WW.Y.0005.210207T0000Z-210207T1300Z/
Berrien-Cass MI-
Including the cities of Niles, Benton Harbor, St. Joseph, 
Fair Plain, Benton Heights, Buchanan, Paw Paw Lake, Dowagiac, 
Cassopolis, and Marcellus
324 PM EST Sat Feb 6 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 PM THIS
EVENING TO 8 AM EST SUNDAY...

* WHAT...Snow expected. Total snow accumulations of 2 to 4 
  inches.

* WHERE...Berrien and Cass MI Counties.

* WHEN...From 7 PM this evening to 8 AM EST Sunday.

* IMPACTS...Plan on slippery road conditions.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

&&

$$
3 follow-up statements
353 
WWUS43 KIWX 070514
WSWIWX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Northern Indiana
1214 AM EST Sun Feb 7 2021

INZ003-071300-
/O.CON.KIWX.WW.Y.0005.000000T0000Z-210207T1300Z/
/O.CON.KIWX.WC.Y.0001.210207T0800Z-210207T1800Z/
La Porte-
Including the cities of Michigan City and La Porte
1114 PM CST Sat Feb 6 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM CST
SUNDAY...
...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST SUNDAY...

* WHAT...For the Winter Weather Advisory, snow expected. Total 
  snow accumulations of 2 to 3 inches. For the Wind Chill 
  Advisory, wind chills as low as 25 below zero.

* WHERE...La Porte County.

* WHEN...For the Winter Weather Advisory, from 6 PM this evening 
  to 7 AM CST Sunday. For the Wind Chill Advisory, from 2 AM to 
  noon CST Sunday.

* IMPACTS...Plan on slippery road conditions. The cold wind chills
  could cause frostbite on exposed skin in as little as 30
  minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

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

&&

$$

MIZ077-078-071300-
/O.CON.KIWX.WW.Y.0005.000000T0000Z-210207T1300Z/
Berrien-Cass MI-
Including the cities of Niles, Benton Harbor, St. Joseph, 
Fair Plain, Benton Heights, Buchanan, Paw Paw Lake, Dowagiac, 
Cassopolis, and Marcellus
1214 AM EST Sun Feb 7 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 AM EST THIS
MORNING...

* WHAT...Snow and blowing snow expected. Total snow accumulations
  of 2 to 4 inches.

* WHERE...Berrien and Cass MI Counties.

* WHEN...From 7 PM this evening to 8 AM EST Sunday.

* IMPACTS...Plan on slippery road conditions and reduced
  visibilities.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

&&

$$

INZ004-005-008-012>018-020-022>027-032>034-071300-
/O.CON.KIWX.WC.Y.0001.210207T0800Z-210207T1800Z/
St. Joseph IN-Elkhart-Noble-Starke-Pulaski-Marshall-Fulton IN-
Kosciusko-Whitley-Allen IN-White-Cass IN-Miami-Wabash-Huntington-
Wells-Adams-Grant-Blackford-Jay-
Including the cities of South Bend, Mishawaka, New Carlisle, 
Walkerton, Elkhart, Goshen, Nappanee, Kendallville, Ligonier, 
Albion, Knox, North Judson, Bass Lake, Winamac, Francesville, 
Medaryville, Plymouth, Bremen, Culver, Rochester, Akron, Warsaw, 
Winona Lake, Syracuse, Mentone, Columbia City, Tri-Lakes, 
South Whitley, Fort Wayne, New Haven, Monticello, Monon, 
Brookston, Logansport, Royal Center, Peru, Grissom AFB, Mexico, 
Wabash, North Manchester, Huntington, Roanoke, Bluffton, Ossian, 
Decatur, Berne, Marion, Gas City, Upland, Hartford City, 
Montpelier, Portland, and Dunkirk
1214 AM EST Sun Feb 7 2021 /1114 PM CST Sat Feb 6 2021/

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST /NOON
CST/ THIS AFTERNOON...

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

* WHERE...Portions of northern Indiana.

* WHEN...From 3 AM EST /2 AM CST/ to 1 PM EST /noon 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. 

&&

$$
205 
WWUS43 KIWX 070834
WSWIWX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Northern Indiana
334 AM EST Sun Feb 7 2021

INZ003-071800-
/O.CAN.KIWX.WW.Y.0005.000000T0000Z-210207T1300Z/
/O.CON.KIWX.WC.Y.0001.000000T0000Z-210207T1800Z/
La Porte-
Including the cities of Michigan City and La Porte
234 AM CST Sun Feb 7 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY...
...WINTER WEATHER ADVISORY IS CANCELLED...

* WHAT...Moderate snow is no longer expected, but a few flurries 
  may still be possible. For the Wind Chill Advisory, wind chills 
  as low as 25 below zero.

* WHERE...La Porte County.

* WHEN...Until noon CST today.

* IMPACTS...Plan on slippery road conditions. 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. 

&&

$$

MIZ077-078-070945-
/O.CAN.KIWX.WW.Y.0005.000000T0000Z-210207T1300Z/
Berrien-Cass MI-
Including the cities of Niles, Benton Harbor, St. Joseph, 
Fair Plain, Benton Heights, Buchanan, Paw Paw Lake, Dowagiac, 
Cassopolis, and Marcellus
334 AM EST Sun Feb 7 2021

...WINTER WEATHER ADVISORY IS CANCELLED...

Scattered light snow showers will remain possible, but any 
additional accumulations will be minimal.

$$

INZ004-005-008-012>018-020-022>027-032>034-071800-
/O.CON.KIWX.WC.Y.0001.000000T0000Z-210207T1800Z/
St. Joseph IN-Elkhart-Noble-Starke-Pulaski-Marshall-Fulton IN-
Kosciusko-Whitley-Allen IN-White-Cass IN-Miami-Wabash-Huntington-
Wells-Adams-Grant-Blackford-Jay-
Including the cities of South Bend, Mishawaka, New Carlisle, 
Walkerton, Elkhart, Goshen, Nappanee, Kendallville, Ligonier, 
Albion, Knox, North Judson, Bass Lake, Winamac, Francesville, 
Medaryville, Plymouth, Bremen, Culver, Rochester, Akron, Warsaw, 
Winona Lake, Syracuse, Mentone, Columbia City, Tri-Lakes, 
South Whitley, Fort Wayne, New Haven, Monticello, Monon, 
Brookston, Logansport, Royal Center, Peru, Grissom AFB, Mexico, 
Wabash, North Manchester, Huntington, Roanoke, Bluffton, Ossian, 
Decatur, Berne, Marion, Gas City, Upland, Hartford City, 
Montpelier, Portland, and Dunkirk
334 AM EST Sun Feb 7 2021 /234 AM CST Sun Feb 7 2021/

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST /NOON
CST/ THIS AFTERNOON...

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

* WHERE...Portions of northern Indiana.

* WHEN...From 3 AM EST /2 AM CST/ to 1 PM EST /noon 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. 

&&

$$
776 
WWUS43 KIWX 071748
WSWIWX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Northern Indiana
1248 PM EST Sun Feb 7 2021

INZ003>005-008-012>018-020-022>027-032>034-071900-
/O.EXP.KIWX.WC.Y.0001.000000T0000Z-210207T1800Z/
La Porte-St. Joseph IN-Elkhart-Noble-Starke-Pulaski-Marshall-
Fulton IN-Kosciusko-Whitley-Allen IN-White-Cass IN-Miami-Wabash-
Huntington-Wells-Adams-Grant-Blackford-Jay-
Including the cities of Michigan City, La Porte, South Bend, 
Mishawaka, New Carlisle, Walkerton, Elkhart, Goshen, Nappanee, 
Kendallville, Ligonier, Albion, Knox, North Judson, Bass Lake, 
Winamac, Francesville, Medaryville, Plymouth, Bremen, Culver, 
Rochester, Akron, Warsaw, Winona Lake, Syracuse, Mentone, 
Columbia City, Tri-Lakes, South Whitley, Fort Wayne, New Haven, 
Monticello, Monon, Brookston, Logansport, Royal Center, Peru, 
Grissom AFB, Mexico, Wabash, North Manchester, Huntington, 
Roanoke, Bluffton, Ossian, Decatur, Berne, Marion, Gas City, 
Upland, Hartford City, Montpelier, Portland, and Dunkirk
1248 PM EST Sun Feb 7 2021 /1148 AM CST Sun Feb 7 2021/

...WIND CHILL ADVISORY WILL EXPIRE AT 1 PM EST /NOON CST/ THIS
AFTERNOON...

Wind chill values have climbed above 15 degrees below zero.

$$

The office that day

Everything else NWS Northern Indiana issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 6, 3:53 AM ESTWinter Weather AdvisoryIWX24 hr
Feb 6, 10:40 AM ESTSmall Craft AdvisoryIWX24 hr

Nearby

Wind Chill Advisories in Indiana, 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.