Alert archive / Indiana / Wind Chill Advisories in 2021

Wind Chill Advisory 1, NWS Indianapolis, IN

February 6, 202117 counties in Indiana

NWS Indianapolis, IN issued this wind chill advisory at Feb 6, 2021, 3:25 PM EST for 17 counties in Indiana. It took effect at Feb 7, 2021, 3:00 AM EST. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Feb 6, 2021, 3:25 PM EST (20:25 UTC)
In effect from
Feb 7, 2021, 3:00 AM EST
Expired
Feb 7, 2021, 12:00 PM EST
In force
9 hr
Issued by
NWS Indianapolis, IN

Counties Boone County, IN, Carroll County, IN, Clinton County, IN, Delaware County, IN, Fountain County, IN, Hamilton County, IN, Hendricks County, IN, Howard County, IN, Madison County, IN, Marion County, IN, Montgomery County, IN, Parke County, IN, Putnam County, IN, Tippecanoe County, IN, Tipton County, IN, Vermillion County, IN, Warren County, IN

The radar

The Indianapolis radar (KIND), 51 km from the middle of the area, began a volume at 20:26 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

Lincoln, IL (KILX), launched 12:00Z, 8.4 hours before the alert went out and 174 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, Lincoln, IL 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, Lincoln, IL at 12:00Z on 2021-02-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 8 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
1228 m above ground
0-6 km bulk shear
66 kt
0-1 km storm-relative helicity
8 m²/s²
0-3 km storm-relative helicity
35 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

624 
WWUS43 KIND 062025
WSWIND

URGENT - WINTER WEATHER MESSAGE
National Weather Service Indianapolis IN
325 PM EST Sat Feb 6 2021

INZ021-028>031-035>041-043>047-070430-
/O.NEW.KIND.WC.Y.0001.210207T0800Z-210207T1700Z/
Carroll-Warren-Tippecanoe-Clinton-Howard-Fountain-Montgomery-
Boone-Tipton-Hamilton-Madison-Delaware-Vermillion-Parke-Putnam-
Hendricks-Marion-
Including the cities of Delphi, Flora, Williamsport, 
West Lebanon, Lafayette, West Lafayette, Frankfort, Kokomo, 
Attica, Covington, Veedersburg, Crawfordsville, Lebanon, 
Zionsville, Tipton, Fishers, Carmel, Noblesville, Anderson, 
Muncie, Clinton, Newport, Rockville, Greencastle, Plainfield, 
Brownsburg, Danville, and Indianapolis
325 PM EST Sat Feb 6 2021

...WIND CHILL ADVISORY IN EFFECT FROM 3 AM TO NOON EST SUNDAY...

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

* WHERE...Portions of central, north central, and west central 
  Indiana.

* WHEN...From 3 AM to noon EST 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/ind
4 follow-up statements
186 
WWUS43 KIND 070301
WSWIND

URGENT - WINTER WEATHER MESSAGE
National Weather Service Indianapolis IN
1001 PM EST Sat Feb 6 2021

INZ021-028>031-035>041-043>047-071115-
/O.CON.KIND.WC.Y.0001.210207T0800Z-210207T1700Z/
Carroll-Warren-Tippecanoe-Clinton-Howard-Fountain-Montgomery-
Boone-Tipton-Hamilton-Madison-Delaware-Vermillion-Parke-Putnam-
Hendricks-Marion-
Including the cities of Delphi, Flora, Williamsport, 
West Lebanon, Lafayette, West Lafayette, Frankfort, Kokomo, 
Attica, Covington, Veedersburg, Crawfordsville, Lebanon, 
Zionsville, Tipton, Fishers, Carmel, Noblesville, Anderson, 
Muncie, Clinton, Newport, Rockville, Greencastle, Plainfield, 
Brownsburg, Danville, and Indianapolis
1001 PM EST Sat Feb 6 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 3 AM TO NOON EST
SUNDAY...

* WHAT...Very cold wind chills expected. Wind chills as low as 15
  to 25 below zero.

* WHERE...Portions of central, east central, north central and 
  west central Indiana.

* WHEN...From 3 AM to noon EST 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/ind
100 
WWUS43 KIND 070834
WSWIND

URGENT - WINTER WEATHER MESSAGE
National Weather Service Indianapolis IN
334 AM EST Sun Feb 7 2021

INZ021-028>031-035>041-043>047-071645-
/O.CON.KIND.WC.Y.0001.000000T0000Z-210207T1700Z/
Carroll-Warren-Tippecanoe-Clinton-Howard-Fountain-Montgomery-
Boone-Tipton-Hamilton-Madison-Delaware-Vermillion-Parke-Putnam-
Hendricks-Marion-
Including the cities of Delphi, Flora, Williamsport, 
West Lebanon, Lafayette, West Lafayette, Frankfort, Kokomo, 
Attica, Covington, Veedersburg, Crawfordsville, Lebanon, 
Zionsville, Tipton, Fishers, Carmel, Noblesville, Anderson, 
Muncie, Clinton, Newport, Rockville, Greencastle, Plainfield, 
Brownsburg, Danville, and Indianapolis
334 AM EST Sun Feb 7 2021

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

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

* WHERE...Portions of central, east central, north central and 
  west central Indiana.

* WHEN...Until noon EST today.

* 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/ind
486 
WWUS43 KIND 071549
WSWIND

URGENT - WINTER WEATHER MESSAGE
National Weather Service Indianapolis IN
1049 AM EST Sun Feb 7 2021

INZ021-028>031-035>041-043>047-071700-
/O.CON.KIND.WC.Y.0001.000000T0000Z-210207T1700Z/
Carroll-Warren-Tippecanoe-Clinton-Howard-Fountain-Montgomery-
Boone-Tipton-Hamilton-Madison-Delaware-Vermillion-Parke-Putnam-
Hendricks-Marion-
Including the cities of Delphi, Flora, Williamsport, 
West Lebanon, Lafayette, West Lafayette, Frankfort, Kokomo, 
Attica, Covington, Veedersburg, Crawfordsville, Lebanon, 
Zionsville, Tipton, Fishers, Carmel, Noblesville, Anderson, 
Muncie, Clinton, Newport, Rockville, Greencastle, Plainfield, 
Brownsburg, Danville, and Indianapolis
1049 AM EST Sun Feb 7 2021

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

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

* WHERE...Portions of central, east central, north central and 
  west central Indiana.

* WHEN...Until noon EST today.

* 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/ind
025 
WWUS43 KIND 071716
WSWIND

URGENT - WINTER WEATHER MESSAGE
National Weather Service Indianapolis IN
1216 PM EST Sun Feb 7 2021

INZ021-028>031-035>041-043>047-071830-
/O.EXP.KIND.WC.Y.0001.000000T0000Z-210207T1700Z/
Carroll-Warren-Tippecanoe-Clinton-Howard-Fountain-Montgomery-
Boone-Tipton-Hamilton-Madison-Delaware-Vermillion-Parke-Putnam-
Hendricks-Marion-
Including the cities of Delphi, Flora, Williamsport, 
West Lebanon, Lafayette, West Lafayette, Frankfort, Kokomo, 
Attica, Covington, Veedersburg, Crawfordsville, Lebanon, 
Zionsville, Tipton, Fishers, Carmel, Noblesville, Anderson, 
Muncie, Clinton, Newport, Rockville, Greencastle, Plainfield, 
Brownsburg, Danville, and Indianapolis
1216 PM EST Sun Feb 7 2021

...WIND CHILL ADVISORY HAS EXPIRED...

Temperatures will continue to slowly warm this afternoon. High
temperatures are expected to be between 7 and 12 degrees, pushing
wind chill values above 0.


$$

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

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.