Alert archive / Illinois / Freeze Warnings in 2019

Freeze Warning 3, NWS Lincoln, IL

October 31, 20196 counties in Illinois

NWS Lincoln, IL issued this freeze warning at Oct 31, 2019, 3:35 AM CDT for 6 counties in Illinois. It took effect at Oct 31, 2019, 8:00 PM CDT. It was in force for 14 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
Oct 31, 2019, 3:35 AM CDT (08:35 UTC)
In effect from
Oct 31, 2019, 8:00 PM CDT
Expired
Nov 1, 2019, 10:00 AM CDT
In force
14 hr
Issued by
NWS Lincoln, IL

Counties Clay County, IL, Crawford County, IL, Effingham County, IL, Jasper County, IL, Lawrence County, IL, Richland County, IL

The radar

The Evansville,IN radar (KVWX), 77 km from the middle of the area, began a volume at 08:36 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 00:00Z, 8.6 hours before the alert went out and 147 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 00:00Z on 2019-10-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 00:00Z on 2019-10-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 168 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
534 m above ground
0-6 km bulk shear
77 kt
0-1 km storm-relative helicity
168 m²/s²
0-3 km storm-relative helicity
344 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this freeze warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Lincoln, IL wrote its last area forecast discussion before this freeze warning went out at Oct 30, 11:50 PM CDT, 3 hours 45 minutes earlier.

Area forecast discussion, Oct 30, 11:50 PM CDT, 3 hours 45 minutes before
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Hazardous weather outlook, Oct 30, 3:05 PM CDT, 12 hours 30 minutes before
Hazardous Weather Outlook
National Weather Service Lincoln IL
305 PM CDT Wed Oct 30 2019

ILZ027>031-036>038-040-041-311100-
Fulton-Knox-Marshall-Mason-McLean-Peoria-Schuyler-Stark-Tazewell-
Woodford-
305 PM CDT Wed Oct 30 2019

...WINTER WEATHER ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO
4 PM CDT THURSDAY...

This Hazardous Weather Outlook is for portions of central
Illinois and west central Illinois.

.DAY ONE...TONIGHT...

Scattered light rain showers and drizzle will continue until
later tonight when the rain will slowly transition back to a
wintry mix. The transition will move in from the northwest, a mix
of rain, snow, sleet, and freezing rain, reaching the Illinois
River Valley near midnight. The mix will eventually change to
mostly snow by tomorrow morning. Minor ice accumulations and up to
1 to 3 inches of snow will be possible by early tomorrow morning.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY...

Light snow, possibly mixed with freezing rain at times in the
morning, will continue into Thursday afternoon. Additional
accumulations of 1 to 3 inches are possible. Also, blustery winds
will drop the wind chill to the teens and low 20s tomorrow
evening. Just after sunset on Halloween, the wind chill
temperatures will be in the teens as the system moves out of the
region. The very cold temperatures will continue through the
night, with any remaining liquid on untreated roads freezing and
causing slippery road conditions.

Minor flooding will return to the Illinois River near Havana and
Beardstown by Thursday or Friday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated through tonight.

ILZ044>046-049>057-061>063-311100-
Champaign-Christian-Clark-Coles-Cumberland-Douglas-Edgar-Macon-
Morgan-Moultrie-Piatt-Sangamon-Scott-Shelby-Vermilion-
305 PM CDT Wed Oct 30 2019

This Hazardous Weather Outlook is for portions of central
Illinois, east central Illinois and west central Illinois.

.DAY ONE...TONIGHT...

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY...

A wintry mix of rain, snow, freezing rain and sleet will
gradually change to snow through the day Thursday. Snow
accumulations of up to 1 to 2 inches will be possible. Also,
blustery winds will drop the wind chill to the low 20s tomorrow
evening. Just after sunset on Halloween, the wind chill
temperatures will be around 20 degrees as the system moves out of
the region. The very cold temperatures will continue through the
night, with any remaining liquid on untreated roads freezing and
causing slippery road conditions.

Minor flooding will return to the Illinois River near Havana and
Beardstown by Thursday or Friday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated through tonight.

ILZ042-043-047-048-311100-
Cass-De Witt-Logan-Menard-
305 PM CDT Wed Oct 30 2019

...WINTER WEATHER ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO
4 PM CDT THURSDAY...

This Hazardous Weather Outlook is for portions of central
Illinois and west central Illinois.

.DAY ONE...TONIGHT...

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY...

A wintry mix of rain, snow, freezing rain and sleet will
gradually change to snow through the day Thursday. Snow
accumulations of up to an inch will be possible. Also, blustery
winds will drop the wind chill to the low 20s tomorrow evening.
Just after sunset on Halloween, the wind chill temperatures will
be around 20 degrees as the system moves out of the region.
The very cold temperatures will continue through the
night, with any remaining liquid on untreated roads freezing and
causing slippery road conditions.

Minor flooding will return to the Illinois River near Havana and
Beardstown by Thursday or Friday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated through tonight.

ILZ066>068-071>073-311100-
Clay-Crawford-Effingham-Jasper-Lawrence-Richland-
305 PM CDT Wed Oct 30 2019

...FREEZE WATCH IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY
MORNING...

This Hazardous Weather Outlook is for portions of southeast
Illinois.

.DAY ONE...TONIGHT...

Minor flooding will continue on the Little Wabash River near Clay
City through tonight.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY...

A Freeze Watch has been issued for early tomorrow morning as cold
air moves into the region behind the precipitation. Blustery
winds will drop the wind chill to the upper 20s tomorrow evening.
Just after sunset on Halloween, the wind chill temperatures will
be around 25 to 27 degrees as the system moves out of the region.
The very cold temperatures will continue through the night, with
any remaining liquid on untreated roads potentially freezing and
causing slippery road conditions.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated through tonight.

HJS

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 30, 9:40 PM CDTRiver Flood WarningILXPeoria, Tazewell, Woodford21 days
Oct 31, 10:16 AM CDTRiver Flood WarningILXMarshall, Putnam6 days

Nearby

Freeze Warnings in Illinois, 2019Every freeze warning in 2019

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.