Alert archive / Illinois / Wind Chill Advisories in 2021

Wind Chill Advisory 3, NWS Lincoln, IL

February 12, 202112 counties in Illinois

NWS Lincoln, IL issued this wind chill advisory at Feb 12, 2021, 3:03 PM CST for 12 counties in Illinois. It took effect at Feb 13, 2021, 12:00 AM CST. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Feb 12, 2021, 3:03 PM CST (21:03 UTC)
In effect from
Feb 13, 2021, 12:00 AM CST
Expired
Feb 13, 2021, 12:00 PM CST
In force
12 hr
Issued by
NWS Lincoln, IL

Counties Cass County, IL, Fulton County, IL, Knox County, IL, Marshall County, IL, Mason County, IL, Morgan County, IL, Peoria County, IL, Schuyler County, IL, Scott County, IL, Stark County, IL, Tazewell County, IL, Woodford County, IL

The radar

The Lincoln radar (KILX), 62 km from the middle of the area, began a volume at 21:01 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, 9.1 hours before the alert went out and 120 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 2021-02-12Temperature 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 2021-02-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -5 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
740 m above ground
0-6 km bulk shear
84 kt
0-1 km storm-relative helicity
-5 m²/s²
0-3 km storm-relative helicity
252 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

702 
WWUS43 KILX 122103
WSWILX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Lincoln IL
303 PM CST Fri Feb 12 2021

ILZ027>031-036-037-040-041-047-049-050-131000-
/O.NEW.KILX.WC.Y.0003.210213T0600Z-210213T1800Z/
Knox-Stark-Peoria-Marshall-Woodford-Fulton-Tazewell-Schuyler-
Mason-Cass-Scott-Morgan-
Including the cities of Galesburg, Toulon, Peoria, Lacon, Eureka,
Canton, Pekin, Rushville, Havana, Beardstown, Winchester, 
and Jacksonville
303 PM CST Fri Feb 12 2021

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

* WHAT...Very cold wind chills expected. Wind chills reaching 15
  to 20 below zero.

* WHERE...Portions of central and west central Illinois west of
  I-55.

* WHEN...From midnight tonight to noon CST Saturday.

* IMPACTS...The cold wind chills could result in frostbite and
  hypothermia if precautions are not taken.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Chill Advisory means that very cold air and winds will 
combine to generate low wind chill values. This will result in 
frostbite and lead to hypothermia if precautions are not taken. 
If you must venture outdoors, make sure you wear a hat and gloves,
making sure all exposed skin is covered. 

&&

$$

ILZ057-063-067-068-071>073-131000-
/O.NEW.KILX.WS.A.0003.210215T0600Z-210216T1200Z/
Edgar-Clark-Jasper-Crawford-Clay-Richland-Lawrence-
Including the cities of Paris, Marshall, Newton, Robinson, Flora,
Olney, and Lawrenceville
303 PM CST Fri Feb 12 2021

...WINTER STORM WATCH IN EFFECT FROM LATE SUNDAY NIGHT THROUGH
LATE MONDAY NIGHT...

* WHAT...Heavy snow possible. Total snow accumulations of 4 to 7 
  inches possible.

* WHERE...Portions of east central and southeast Illinois.

* WHEN...From late Sunday night through late Monday night.

* IMPACTS...Plan on slippery road conditions. The hazardous
  conditions could impact the morning and evening commute.

* ADDITIONAL DETAILS...Uncertainty on the exact track of this
  storm system remains high. A change in the path of the storm
  could have large impacts on snowfall amounts. Check later 
  updates to the forecast.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts for updates on this situation. 

&&

$$
3 follow-up statements
198 
WWUS43 KILX 130915
WSWILX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Lincoln IL
315 AM CST Sat Feb 13 2021

ILZ057-131800-
/O.NEW.KILX.WC.Y.0004.210214T0000Z-210215T1800Z/
/O.CON.KILX.WS.A.0003.210215T0600Z-210216T1200Z/
Edgar-
Including the city of Paris
315 AM CST Sat Feb 13 2021

...WIND CHILL ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO NOON
CST MONDAY...
...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE SUNDAY NIGHT
THROUGH LATE MONDAY NIGHT...

* WHAT...For the Wind Chill Advisory, very cold wind chills 
  expected. Wind chills as low as 20 below zero. For the Winter 
  Storm Watch, heavy snow possible. Total snow accumulations of 
  3 to 5 inches possible.

* WHERE...Edgar County.

* WHEN...For the Wind Chill Advisory, from 6 PM this evening to 
  noon CST Monday. For the Winter Storm Watch, from late Sunday 
  night through late Monday night.

* IMPACTS...The cold wind chills could cause frostbite on exposed
  skin in as little as 30 minutes. The snow could impact the
  morning or evening commute on Monday. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution if you must spend time outside. Wear appropriate 
clothing, a hat, and gloves. 

Monitor the latest forecasts for updates on this situation. 

&&

$$

ILZ027>031-036-037-040-041-047-049-050-131800-
/O.NEW.KILX.WC.Y.0004.210214T0000Z-210215T1800Z/
/O.CON.KILX.WC.Y.0003.000000T0000Z-210213T1800Z/
Knox-Stark-Peoria-Marshall-Woodford-Fulton-Tazewell-Schuyler-
Mason-Cass-Scott-Morgan-
Including the cities of Galesburg, Toulon, Peoria, Lacon, Eureka,
Canton, Pekin, Rushville, Havana, Beardstown, Winchester, 
and Jacksonville
315 AM CST Sat Feb 13 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY...
...WIND CHILL ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO NOON
CST MONDAY...

* WHAT...Very cold wind chills. Wind chills as low as 20 below
  zero this morning, and from 15 to 30 below zero from tonight
  through Monday morning. 

* WHERE...Portions of central and west central Illinois, along and
  west of the Illinois River.

* WHEN...Much of the period through Monday morning will see wind
  chills colder than 15 below zero. The exception will be this
  afternoon, when they are close to 10 below zero. 

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use caution if you must spend time outside. Wear appropriate 
clothing, a hat, and gloves. 

&&

$$

ILZ038-042>046-048-051>056-061-131800-
/O.NEW.KILX.WC.Y.0004.210214T0000Z-210215T1800Z/
McLean-Logan-De Witt-Piatt-Champaign-Vermilion-Menard-Sangamon-
Christian-Macon-Moultrie-Douglas-Coles-Shelby-
Including the cities of Bloomington, Normal, Lincoln, Clinton, 
Monticello, Champaign, Urbana, Danville, Petersburg, Springfield,
Taylorville, Decatur, Sullivan, Tuscola, Charleston, Mattoon, 
and Shelbyville
315 AM CST Sat Feb 13 2021

...WIND CHILL ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO NOON
CST MONDAY...

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

* WHERE...Portions of central and east central Illinois.

* WHEN...From 6 PM this evening to noon CST Monday.

* 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. 

&&

$$

ILZ063-067-068-071>073-131800-
/O.CON.KILX.WS.A.0003.210215T0600Z-210216T1200Z/
Clark-Jasper-Crawford-Clay-Richland-Lawrence-
Including the cities of Marshall, Newton, Robinson, Flora, Olney,
and Lawrenceville
315 AM CST Sat Feb 13 2021

...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE SUNDAY NIGHT
THROUGH LATE MONDAY NIGHT...

* WHAT...Heavy snow possible. Total snow accumulations of 3 to 5
  inches possible, heaviest south of I-70.

* WHERE...Portions of east central and southeast Illinois.

* WHEN...From late Sunday night through late Monday night.

* IMPACTS...Plan on slippery road conditions. The hazardous
  conditions could impact the morning or evening commute on Monday.

* ADDITIONAL DETAILS...Two primary periods of snow are expected.
  The first one will be from Sunday afternoon through Monday
  morning. The second one is from Monday evening through sunrise
  Tuesday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts for updates on this situation. 

&&

$$

Geelhart
642 
WWUS43 KILX 131703
WSWILX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Lincoln IL
1103 AM CST Sat Feb 13 2021

ILZ062-066-140115-
/O.EXA.KILX.WC.Y.0004.210214T0000Z-210215T1800Z/
Cumberland-Effingham-
Including the cities of Greenup and Effingham
1103 AM CST Sat Feb 13 2021

...WIND CHILL ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO NOON
CST MONDAY...

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

* WHERE...Cumberland and Effingham Counties.

* WHEN...From 6 PM this evening to noon CST Monday.

* IMPACTS...The cold wind chills could cause frostbite on exposed
  skin in under 30 minutes.

* ADDITIONAL DETAILS...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ILZ057-140115-
/O.CON.KILX.WC.Y.0004.210214T0000Z-210215T1800Z/
/O.CON.KILX.WS.A.0003.210215T0600Z-210216T1200Z/
Edgar-
Including the city of Paris
1103 AM CST Sat Feb 13 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO NOON CST MONDAY...
...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE SUNDAY NIGHT
THROUGH LATE MONDAY NIGHT...

* WHAT...For the Wind Chill Advisory, very cold wind chills 
  expected. Wind chills as low as 20 below zero. For the Winter 
  Storm Watch, heavy snow possible. Total snow accumulations of 
  3 to 5 inches possible.

* WHERE...Edgar County.

* WHEN...For the Wind Chill Advisory, from 6 PM this evening to 
  noon CST Monday. For the Winter Storm Watch, from late Sunday 
  night through late Monday night.

* IMPACTS...The cold wind chills could cause frostbite on exposed
  skin in under 30 minutes. The snow could impact the morning or 
  evening commute on Monday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Monitor the latest forecasts for updates on this situation. 

&&

$$

ILZ027>031-036-037-040-041-047-049-050-140115-
/O.CON.KILX.WC.Y.0003.000000T0000Z-210213T1800Z/
/O.CON.KILX.WC.Y.0004.210214T0000Z-210215T1800Z/
Knox-Stark-Peoria-Marshall-Woodford-Fulton-Tazewell-Schuyler-
Mason-Cass-Scott-Morgan-
Including the cities of Galesburg, Toulon, Peoria, Lacon, Eureka,
Canton, Pekin, Rushville, Havana, Beardstown, Winchester, 
and Jacksonville
1103 AM CST Sat Feb 13 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY...
...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO NOON CST MONDAY...

* WHAT...Very cold wind chills. Wind chills as low as 20 below 
  zero this morning, and from 15 to 30 below zero from tonight 
  through Monday morning.

* WHERE...Portions of central and west central Illinois, along 
  and west of the Illinois River.

* WHEN...Much of the period through Monday morning will see wind 
  chills colder than 15 below zero. The exception will be this 
  afternoon, when they are close to 10 below zero.

* IMPACTS...The cold wind chills could cause frostbite on exposed
  skin in under 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ILZ038-042>046-048-051>056-061-140115-
/O.CON.KILX.WC.Y.0004.210214T0000Z-210215T1800Z/
McLean-Logan-De Witt-Piatt-Champaign-Vermilion-Menard-Sangamon-
Christian-Macon-Moultrie-Douglas-Coles-Shelby-
Including the cities of Bloomington, Normal, Lincoln, Clinton, 
Monticello, Champaign, Urbana, Danville, Petersburg, Springfield,
Taylorville, Decatur, Sullivan, Tuscola, Charleston, Mattoon, 
and Shelbyville
1103 AM CST Sat Feb 13 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO NOON CST MONDAY...

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

* WHERE...Portions of central and east central Illinois.

* WHEN...From 6 PM this evening to noon CST Monday.

* IMPACTS...The cold wind chills could cause frostbite on exposed
  skin in under 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ILZ063-067-068-071>073-140115-
/O.CON.KILX.WS.A.0003.210215T0600Z-210216T1200Z/
Clark-Jasper-Crawford-Clay-Richland-Lawrence-
Including the cities of Marshall, Newton, Robinson, Flora, Olney,
and Lawrenceville
1103 AM CST Sat Feb 13 2021

...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE SUNDAY NIGHT
THROUGH LATE MONDAY NIGHT...

* WHAT...Heavy snow possible. Total snow accumulations of 3 to 5 
  inches possible, heaviest south of I-70.

* WHERE...Portions of east central and southeast Illinois.

* WHEN...From late Sunday night through late Monday night.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions could impact the morning or evening commute on 
  Monday.

* ADDITIONAL DETAILS...Two primary periods of snow are expected. 
  The first one will be from Sunday afternoon through Monday 
  morning. The second one is from Monday evening through sunrise 
  Tuesday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts for updates on this situation. 

&&

$$
032 
WWUS43 KILX 131759
WSWILX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Lincoln IL
1159 AM CST Sat Feb 13 2021

ILZ027>031-036-037-040-041-047-049-050-140200-
/O.EXP.KILX.WC.Y.0003.000000T0000Z-210213T1800Z/
/O.CON.KILX.WC.Y.0004.210214T0000Z-210215T1800Z/
Knox-Stark-Peoria-Marshall-Woodford-Fulton-Tazewell-Schuyler-
Mason-Cass-Scott-Morgan-
Including the cities of Galesburg, Toulon, Peoria, Lacon, Eureka,
Canton, Pekin, Rushville, Havana, Beardstown, Winchester, 
and Jacksonville
1159 AM CST Sat Feb 13 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO NOON CST MONDAY...
...WIND CHILL ADVISORY WILL EXPIRE AT NOON CST TODAY...

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

* WHERE...Portions of central and west central Illinois, along 
  and west of the Illinois River.

* WHEN...Much of the period through Monday morning will see wind 
  chills colder than 15 below zero. The exception will be this 
  afternoon, when they are close to 10 below zero.

* IMPACTS...The cold wind chills could cause frostbite on exposed
  skin under 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ILZ057-140200-
/O.CON.KILX.WC.Y.0004.210214T0000Z-210215T1800Z/
/O.CON.KILX.WS.A.0003.210215T0600Z-210216T1200Z/
Edgar-
Including the city of Paris
1159 AM CST Sat Feb 13 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO NOON CST MONDAY...
...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE SUNDAY NIGHT
THROUGH LATE MONDAY NIGHT...

* WHAT...For the Wind Chill Advisory, very cold wind chills 
  expected. Wind chills as low as 20 below zero. For the Winter 
  Storm Watch, heavy snow possible. Total snow accumulations of 
  3 to 5 inches possible.

* WHERE...Edgar County.

* WHEN...For the Wind Chill Advisory, from 6 PM this evening to 
  noon CST Monday. For the Winter Storm Watch, from late Sunday 
  night through late Monday night.

* IMPACTS...The cold wind chills could cause frostbite on 
  exposed skin in under 30 minutes. The snow could impact the 
  morning or evening commute on Monday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Monitor the latest forecasts for updates on this situation. 

&&

$$

ILZ038-042>046-048-051>056-061-062-066-140200-
/O.CON.KILX.WC.Y.0004.210214T0000Z-210215T1800Z/
McLean-Logan-De Witt-Piatt-Champaign-Vermilion-Menard-Sangamon-
Christian-Macon-Moultrie-Douglas-Coles-Shelby-Cumberland-
Effingham-
Including the cities of Bloomington, Normal, Lincoln, Clinton, 
Monticello, Champaign, Urbana, Danville, Petersburg, Springfield,
Taylorville, Decatur, Sullivan, Tuscola, Charleston, Mattoon, 
Shelbyville, Greenup, and Effingham
1159 AM CST Sat Feb 13 2021

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO NOON CST MONDAY...

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

* WHERE...Portions of central and east central Illinois.

* WHEN...From 6 PM this evening to noon CST Monday.

* IMPACTS...The cold wind chills could cause frostbite on 
  exposed skin in under 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

ILZ063-067-068-071>073-140200-
/O.CON.KILX.WS.A.0003.210215T0600Z-210216T1200Z/
Clark-Jasper-Crawford-Clay-Richland-Lawrence-
Including the cities of Marshall, Newton, Robinson, Flora, Olney,
and Lawrenceville
1159 AM CST Sat Feb 13 2021

...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE SUNDAY NIGHT
THROUGH LATE MONDAY NIGHT...

* WHAT...Heavy snow possible. Total snow accumulations of 3 to 5 
  inches possible, heaviest south of I-70.

* WHERE...Portions of east central and southeast Illinois.

* WHEN...From late Sunday night through late Monday night.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions could impact the morning or evening commute on 
  Monday.

* ADDITIONAL DETAILS...Two primary periods of snow are expected. 
  The first one will be from Sunday afternoon through Monday 
  morning. The second one is from Monday evening through sunrise 
  Tuesday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts for updates on this situation. 

&&

$$

The office that day

Everything else NWS Lincoln, IL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 12, 3:03 PM CSTWinter Storm WatchILXClark, Clay, Crawford, Edgar, Jasper, Lawrence and 1 more36 hr

Nearby

Wind Chill Advisories in Illinois, 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.