Alert archive / Illinois / Freeze Warnings in 2021

Freeze Warning 8, NWS Lincoln, IL

November 2, 202114 counties in Illinois

NWS Lincoln, IL issued this freeze warning at Nov 2, 2021, 2:11 PM CDT for 14 counties in Illinois. It took effect at Nov 3, 2021, 12:00 AM CDT. 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
Nov 2, 2021, 2:11 PM CDT (19:11 UTC)
In effect from
Nov 3, 2021, 12:00 AM CDT
Expired
Nov 3, 2021, 9:00 AM CDT
In force
9 hr
Issued by
NWS Lincoln, IL

Counties Christian County, IL, Clark County, IL, Clay County, IL, Coles County, IL, Crawford County, IL, Cumberland County, IL, Douglas County, IL, Edgar County, IL, Effingham County, IL, Jasper County, IL, Lawrence County, IL, Moultrie County, IL, Richland County, IL, Shelby County, IL

The radar

The Evansville,IN radar (KVWX), 119 km from the middle of the area, began a volume at 19:12 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, 7.2 hours before the alert went out and 105 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 2021-11-02Temperature 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 2021-11-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -103 square meters per square second.1939587897117136Sfc1 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
1558 m above ground
0-6 km bulk shear
80 kt
0-1 km storm-relative helicity
-103 m²/s²
0-3 km storm-relative helicity
-72 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

282 
WWUS73 KILX 021911
NPWILX

URGENT - WEATHER MESSAGE
National Weather Service Lincoln IL
211 PM CDT Tue Nov 2 2021

ILZ052-054>057-061>063-066>068-071>073-030300-
/O.NEW.KILX.FZ.W.0008.211103T0500Z-211103T1400Z/
Christian-Moultrie-Douglas-Coles-Edgar-Shelby-Cumberland-Clark-
Effingham-Jasper-Crawford-Clay-Richland-Lawrence-
Including the cities of Taylorville, Sullivan, Tuscola, 
Charleston, Mattoon, Paris, Shelbyville, Greenup, Marshall, 
Effingham, Newton, Robinson, Flora, Olney, and Lawrenceville
211 PM CDT Tue Nov 2 2021

...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM CDT
WEDNESDAY...

* WHAT...Sub-freezing temperatures as low as 28 expected.

* WHERE...Portions of east central and southeast Illinois,
  generally from Taylorville to Paris southward past I-70.

* WHEN...From midnight tonight to 9 AM CDT Wednesday.

* IMPACTS...Frost and freeze conditions will kill sensitive 
  vegetation and possibly damage unprotected outdoor plumbing.

* ADDITIONAL DETAILS...While areas further north will see similar
  temperatures, a widespread freeze has already occurred there,
  ending the growing season.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold. To prevent
freezing and possible bursting of outdoor water pipes they should
be wrapped, drained, or allowed to drip slowly. Those that have
in-ground sprinkler systems should drain them and cover above-
ground pipes to protect them from freezing.

&&

$$

Geelhart
3 follow-up statements
082 
WWUS73 KILX 030024
NPWILX

URGENT - WEATHER MESSAGE
National Weather Service Lincoln IL
724 PM CDT Tue Nov 2 2021

ILZ052-054>057-061>063-066>068-071>073-030900-
/O.CON.KILX.FZ.W.0008.211103T0500Z-211103T1400Z/
Christian-Moultrie-Douglas-Coles-Edgar-Shelby-Cumberland-Clark-
Effingham-Jasper-Crawford-Clay-Richland-Lawrence-
Including the cities of Taylorville, Sullivan, Tuscola, 
Charleston, Mattoon, Paris, Shelbyville, Greenup, Marshall, 
Effingham, Newton, Robinson, Flora, Olney, and Lawrenceville
724 PM CDT Tue Nov 2 2021

...FREEZE WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM
CDT WEDNESDAY...

* WHAT...Sub-freezing temperatures as low as 27 expected.

* WHERE...Portions of east central and southeast Illinois, 
  generally from Taylorville to Paris southward past I-70.

* WHEN...From midnight tonight to 9 AM CDT Wednesday.

* IMPACTS...Frost and freeze conditions will kill sensitive 
  vegetation and possibly damage unprotected outdoor plumbing.

* ADDITIONAL DETAILS...While areas further north will see 
  similar temperatures, a widespread freeze has already occurred 
  there, ending the growing season.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold. To prevent
freezing and possible bursting of outdoor water pipes they should
be wrapped, drained, or allowed to drip slowly. Those that have
in-ground sprinkler systems should drain them and cover above-
ground pipes to protect them from freezing.

&&

$$
213 
WWUS73 KILX 030759
NPWILX

URGENT - WEATHER MESSAGE
National Weather Service Lincoln IL
259 AM CDT Wed Nov 3 2021

ILZ052-054>057-061>063-066>068-071>073-031400-
/O.CON.KILX.FZ.W.0008.000000T0000Z-211103T1400Z/
Christian-Moultrie-Douglas-Coles-Edgar-Shelby-Cumberland-Clark-
Effingham-Jasper-Crawford-Clay-Richland-Lawrence-
Including the cities of Taylorville, Sullivan, Tuscola, 
Charleston, Mattoon, Paris, Shelbyville, Greenup, Marshall, 
Effingham, Newton, Robinson, Flora, Olney, and Lawrenceville
259 AM CDT Wed Nov 3 2021

...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM CDT THIS MORNING...

* WHAT...Sub-freezing temperatures as low as 28.

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

* WHEN...Until 9 AM CDT this morning.

* IMPACTS...Frost and freeze conditions will kill crops, other
  sensitive vegetation and possibly damage unprotected outdoor
  plumbing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold. To prevent
freezing and possible bursting of outdoor water pipes they should
be wrapped, drained, or allowed to drip slowly. Those that have
in-ground sprinkler systems should drain them and cover above-
ground pipes to protect them from freezing.

&&

$$

NMB
957 
WWUS73 KILX 031403
NPWILX

URGENT - WEATHER MESSAGE
National Weather Service Lincoln IL
903 AM CDT Wed Nov 3 2021

ILZ052-054>057-061>063-066>068-071>073-031515-
/O.EXP.KILX.FZ.W.0008.000000T0000Z-211103T1400Z/
Christian-Moultrie-Douglas-Coles-Edgar-Shelby-Cumberland-Clark-
Effingham-Jasper-Crawford-Clay-Richland-Lawrence-
Including the cities of Taylorville, Sullivan, Tuscola, 
Charleston, Mattoon, Paris, Shelbyville, Greenup, Marshall, 
Effingham, Newton, Robinson, Flora, Olney, and Lawrenceville
903 AM CDT Wed Nov 3 2021

...FREEZE WARNING HAS EXPIRED...

Temperatures will continue to rise above freezing this morning.

With all of east central and southeast Illinois having experienced
a hard freeze this morning, no additional freeze warnings will be
issued for the remainder of this season.

$$

Geelhart

Nearby

Freeze Warnings in Illinois, 2021Every freeze 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.