Alert archive / Illinois / Freeze Warnings in 2011

Freeze Warning 2, NWS Lincoln, IL

October 28, 201110 counties in Illinois

NWS Lincoln, IL issued this freeze warning at Oct 28, 2011, 2:50 PM CDT for 10 counties in Illinois. It took effect at Oct 29, 2011, 4:00 AM CDT. It was in force for 5 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 28, 2011, 2:50 PM CDT (19:50 UTC)
In effect from
Oct 29, 2011, 4:00 AM CDT
Expired
Oct 29, 2011, 9:00 AM CDT
In force
5 hr
Issued by
NWS Lincoln, IL

Counties Fulton County, IL, Knox County, IL, Marshall County, IL, Mason County, IL, McLean County, IL, Peoria County, IL, Schuyler County, IL, Stark County, IL, Tazewell County, IL, Woodford County, IL

The radar

The Lincoln radar (KILX), 65 km from the middle of the area, began a volume at 19:55 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, 7.8 hours before the alert went out and 112 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 2011-10-28Temperature 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 2011-10-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 36 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
0 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
36 m²/s²
0-3 km storm-relative helicity
3 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

164 
WWUS73 KILX 281950
NPWILX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LINCOLN IL
250 PM CDT FRI OCT 28 2011

...FREEZING TEMPERATURES EXPECTED OVERNIGHT ACROSS PARTS
OF CENTRAL ILLINOIS...

.CLEARING SKIES AND LIGHT WINDS OVERNIGHT WILL SET THE STAGE FOR 
AREAS OF FROST AGAIN ACROSS CENTRAL AND SOUTHEAST ILLINOIS AS
TEMPERATURES SETTLE INTO THE LOWER TO MIDDLE 30S BY DAWN SATURDAY.
A WIDESPREAD FREEZE IS EXPECTED NORTH OF LINCOLN. 

ILZ027>031-036>038-040-041-290400-
/O.NEW.KILX.FZ.W.0002.111029T0900Z-111029T1400Z/
KNOX-STARK-PEORIA-MARSHALL-WOODFORD-FULTON-TAZEWELL-MCLEAN-
SCHUYLER-MASON-
INCLUDING THE CITIES OF...GALESBURG...PEORIA...BLOOMINGTON...
NORMAL...HAVANA
250 PM CDT FRI OCT 28 2011

...FREEZE WARNING IN EFFECT FROM 4 AM TO 9 AM CDT SATURDAY...

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A FREEZE
WARNING...WHICH IS IN EFFECT FROM 4 AM TO 9 AM CDT SATURDAY. 

* TEMPERATURE...EXPECT LOWS IN THE LOWER 30S BY DAWN SATURDAY...
  WITH SOME SPOTS IN LOW LYING RURAL AREAS DIPPING INTO THE UPPER
  20S.

* IMPACTS...FREEZING TEMPERATURES LATE TONIGHT AND EARLY SATURDAY
  MORNING COULD KILL PLANTS LEFT OUTSIDE OR NOT COVERED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER
SENSITIVE VEGETATION.

&&

$$

ILZ042>057-061>063-066>068-071>073-290400-
/O.NEW.KILX.FR.Y.0006.111029T0900Z-111029T1400Z/
LOGAN-DE WITT-PIATT-CHAMPAIGN-VERMILION-CASS-MENARD-SCOTT-MORGAN-
SANGAMON-CHRISTIAN-MACON-MOULTRIE-DOUGLAS-COLES-EDGAR-SHELBY-
CUMBERLAND-CLARK-EFFINGHAM-JASPER-CRAWFORD-CLAY-RICHLAND-LAWRENCE-
INCLUDING THE CITIES OF...LINCOLN...CHAMPAIGN...URBANA...
DANVILLE...JACKSONVILLE...SPRINGFIELD...TAYLORVILLE...DECATUR...
CHARLESTON...MATTOON...SHELBYVILLE...EFFINGHAM...FLORA...
LAWRENCEVILLE
250 PM CDT FRI OCT 28 2011

...FROST ADVISORY IN EFFECT FROM 4 AM TO 9 AM CDT SATURDAY...

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A FROST
ADVISORY...WHICH IS IN EFFECT FROM 4 AM TO 9 AM CDT SATURDAY. 

* TEMPERATURE...EXPECT LOWS IN THE MIDDLE 30S BY DAWN SATURDAY...
  WITH SOME SPOTS IN LOW LYING RURAL AREAS NORTH OF I-70 DROPPING
  INTO THE LOWER 30S.

* IMPACTS...AREAS OF FROST WILL LATE TONIGHT AND EARLY SATURDAY
  MORNING...ESPECIALLY IN RURAL AND SHELTERED AREAS AS WELL AS
  VALLEYS. PLANTS...CROPS AND VEGETATION SUSCEPTIBLE TO FROST
  DAMAGE COULD SUFFER IF LEFT UNPROTECTED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR
PLANTS MAY BE KILLED IF LEFT UNCOVERED.

&&

$$

07
3 follow-up statements
332 
WWUS73 KILX 290420
NPWILX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LINCOLN IL
1120 PM CDT FRI OCT 28 2011

...FREEZING TEMPERATURES EXPECTED OVERNIGHT ACROSS PARTS OF
CENTRAL ILLINOIS...

.CLEARING SKIES AND LIGHT WINDS OVERNIGHT WILL SET THE STAGE FOR
AREAS OF FROST AGAIN ACROSS CENTRAL AND SOUTHEAST ILLINOIS AS
TEMPERATURES SETTLE INTO THE LOWER TO MIDDLE 30S BY DAWN
SATURDAY. A WIDESPREAD FREEZE IS EXPECTED NORTH OF LINCOLN.

ILZ027>031-036>038-040-041-291000-
/O.CON.KILX.FZ.W.0002.111029T0900Z-111029T1400Z/
KNOX-STARK-PEORIA-MARSHALL-WOODFORD-FULTON-TAZEWELL-MCLEAN-
SCHUYLER-MASON-
INCLUDING THE CITIES OF...GALESBURG...PEORIA...BLOOMINGTON...
NORMAL...HAVANA
1120 PM CDT FRI OCT 28 2011

...FREEZE WARNING REMAINS IN EFFECT FROM 4 AM TO 9 AM CDT
SATURDAY...

A FREEZE WARNING REMAINS IN EFFECT FROM 4 AM TO 9 AM CDT
SATURDAY. 

* TEMPERATURE...EXPECT LOWS IN THE LOWER 30S BY DAWN SATURDAY... 
  WITH SOME SPOTS IN LOW LYING RURAL AREAS DIPPING INTO THE 
  UPPER 20S. 

* IMPACTS...FREEZING TEMPERATURES LATE TONIGHT AND EARLY 
  SATURDAY MORNING COULD KILL PLANTS LEFT OUTSIDE OR NOT 
  COVERED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER
SENSITIVE VEGETATION.

&&

$$

ILZ042>057-061>063-066>068-071>073-291000-
/O.CON.KILX.FR.Y.0006.111029T0900Z-111029T1400Z/
LOGAN-DE WITT-PIATT-CHAMPAIGN-VERMILION-CASS-MENARD-SCOTT-MORGAN-
SANGAMON-CHRISTIAN-MACON-MOULTRIE-DOUGLAS-COLES-EDGAR-SHELBY-
CUMBERLAND-CLARK-EFFINGHAM-JASPER-CRAWFORD-CLAY-RICHLAND-LAWRENCE-
INCLUDING THE CITIES OF...LINCOLN...CHAMPAIGN...URBANA...
DANVILLE...JACKSONVILLE...SPRINGFIELD...TAYLORVILLE...DECATUR...
CHARLESTON...MATTOON...SHELBYVILLE...EFFINGHAM...FLORA...
LAWRENCEVILLE
1120 PM CDT FRI OCT 28 2011

...FROST ADVISORY REMAINS IN EFFECT FROM 4 AM TO 9 AM CDT
SATURDAY...

A FROST ADVISORY REMAINS IN EFFECT FROM 4 AM TO 9 AM CDT
SATURDAY. 

* TEMPERATURE...EXPECT LOWS IN THE MIDDLE 30S BY DAWN SATURDAY...
   WITH SOME SPOTS IN LOW LYING RURAL AREAS NORTH OF I-70 
  DROPPING INTO THE LOWER 30S. 

* IMPACTS...AREAS OF FROST WILL LATE TONIGHT AND EARLY SATURDAY 
  MORNING...ESPECIALLY IN RURAL AND SHELTERED AREAS AS WELL AS 
  VALLEYS. PLANTS...CROPS AND VEGETATION SUSCEPTIBLE TO FROST 
  DAMAGE COULD SUFFER IF LEFT UNPROTECTED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR
PLANTS MAY BE KILLED IF LEFT UNCOVERED.

&&

$$


SHIMON
650 
WWUS73 KILX 290752
NPWILX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LINCOLN IL
252 AM CDT SAT OCT 29 2011

...FREEZING TEMPERATURES EXPECTED ACROSS PARTS OF CENTRAL
ILLINOIS EARLY THIS MORNING...

.CLEAR SKIES AND LIGHT WINDS WILL SET THE STAGE FOR AREAS OF
FROST ACROSS CENTRAL AND SOUTHEAST ILLINOIS EARLY THIS MORNING AS
TEMPERATURES SETTLE INTO THE LOWER TO MIDDLE 30S. A WIDESPREAD
FREEZE IS EXPECTED NORTH OF LINCOLN.

ILZ027>031-036>038-040-041-291400-
/O.CON.KILX.FZ.W.0002.111029T0900Z-111029T1400Z/
KNOX-STARK-PEORIA-MARSHALL-WOODFORD-FULTON-TAZEWELL-MCLEAN-
SCHUYLER-MASON-
INCLUDING THE CITIES OF...GALESBURG...PEORIA...BLOOMINGTON...
NORMAL...HAVANA
252 AM CDT SAT OCT 29 2011

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

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

* TEMPERATURE...EXPECT LOW TEMPERATURES IN THE LOWER 30S BY
  DAWN...WITH SOME SPOTS IN LOW LYING RURAL AREAS DIPPING INTO
  THE UPPER 20S.

* IMPACTS...FREEZING TEMPERATURES EARLY THIS MORNING COULD
  KILL PLANTS LEFT OUTSIDE OR NOT COVERED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER
SENSITIVE VEGETATION.

&&

$$

ILZ042>057-061>063-066>068-071>073-291400-
/O.CON.KILX.FR.Y.0006.111029T0900Z-111029T1400Z/
LOGAN-DE WITT-PIATT-CHAMPAIGN-VERMILION-CASS-MENARD-SCOTT-MORGAN-
SANGAMON-CHRISTIAN-MACON-MOULTRIE-DOUGLAS-COLES-EDGAR-SHELBY-
CUMBERLAND-CLARK-EFFINGHAM-JASPER-CRAWFORD-CLAY-RICHLAND-LAWRENCE-
INCLUDING THE CITIES OF...LINCOLN...CHAMPAIGN...URBANA...
DANVILLE...JACKSONVILLE...SPRINGFIELD...TAYLORVILLE...DECATUR...
CHARLESTON...MATTOON...SHELBYVILLE...EFFINGHAM...FLORA...
LAWRENCEVILLE
252 AM CDT SAT OCT 29 2011

...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM CDT THIS MORNING...

A FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM CDT THIS MORNING. 

* TEMPERATURE...EXPECT LOW TEMPERATURES IN THE MIDDLE 30S BY DAWN.

* IMPACTS...AREAS OF FROST WILL DEVELOP EARLY THIS MORNING.
  PLANTS...CROPS...AND VEGETATION SUSCEPTIBLE TO FROST DAMAGE COULD
  SUFFER IF LEFT UNPROTECTED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR
PLANTS MAY BE KILLED IF LEFT UNCOVERED.

&&

$$


BARNES
296 
WWUS73 KILX 291405
NPWILX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LINCOLN IL
905 AM CDT SAT OCT 29 2011

ILZ027>031-036>038-040-041-291515-
/O.EXP.KILX.FZ.W.0002.000000T0000Z-111029T1400Z/
KNOX-STARK-PEORIA-MARSHALL-WOODFORD-FULTON-TAZEWELL-MCLEAN-
SCHUYLER-MASON-
INCLUDING THE CITIES OF...GALESBURG...PEORIA...BLOOMINGTON...
NORMAL...HAVANA
905 AM CDT SAT OCT 29 2011

...FREEZE WARNING HAS EXPIRED...

THE FREEZE WARNING IS NO LONGER IN EFFECT WITH TEMPERATURES
RISING ABOVE FREEZING INTO THE UPPER 30S AND LOWER 40S BY 9 AM.

$$

ILZ042>057-061>063-066>068-071>073-291515-
/O.EXP.KILX.FR.Y.0006.000000T0000Z-111029T1400Z/
LOGAN-DE WITT-PIATT-CHAMPAIGN-VERMILION-CASS-MENARD-SCOTT-MORGAN-
SANGAMON-CHRISTIAN-MACON-MOULTRIE-DOUGLAS-COLES-EDGAR-SHELBY-
CUMBERLAND-CLARK-EFFINGHAM-JASPER-CRAWFORD-CLAY-RICHLAND-LAWRENCE-
INCLUDING THE CITIES OF...LINCOLN...CHAMPAIGN...URBANA...
DANVILLE...JACKSONVILLE...SPRINGFIELD...TAYLORVILLE...DECATUR...
CHARLESTON...MATTOON...SHELBYVILLE...EFFINGHAM...FLORA...
LAWRENCEVILLE
905 AM CDT SAT OCT 29 2011

...FROST ADVISORY HAS EXPIRED...

THE FROST ADVISORY IS NO LONGER IN EFFECT WITH TEMPERATURES
RISING INTO THE UPPER 30S AND LOWER 40S BY 9 AM.

$$

07

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 28, 2:50 PM CDTFrost AdvisoryILXCass, Champaign, Christian, Clark, Clay, Coles and 19 more18 hr

Nearby

Freeze Warnings in Illinois, 2011Every freeze warning in 2011

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.