Alert archive / Illinois / Snow Advisories in 2007

Snow Advisory 3, NWS Lincoln, IL

December 6, 200729 counties in Illinois

NWS Lincoln, IL issued this snow advisory at Dec 6, 2007, 3:51 AM CST for 29 counties in Illinois. It took effect at Dec 6, 2007, 3:00 PM CST. It was in force for 11 hr.

The area

The counties it named.

The facts

Issued
Dec 6, 2007, 3:51 AM CST (09:51 UTC)
In effect from
Dec 6, 2007, 3:00 PM CST
Expired
Dec 7, 2007, 1:43 AM CST
In force
11 hr
Issued by
NWS Lincoln, IL
All 29 counties

Cass County, IL, Champaign County, IL, Christian County, IL, Clark County, IL, Coles County, IL, Cumberland County, IL, DeWitt County, IL, Douglas County, IL, Edgar County, IL, Fulton County, IL, Knox County, IL, Logan County, IL, Macon County, IL, Marshall County, IL, Mason County, IL, McLean County, IL, Menard County, IL, Morgan County, IL, Moultrie County, IL, Peoria County, IL, Piatt County, IL, Sangamon County, IL, Schuyler County, IL, Scott County, IL, Shelby County, IL, Stark County, IL, Tazewell County, IL, Vermilion County, IL, Woodford County, IL

The radar

The Lincoln radar (KILX), 15 km from the middle of the area, began a volume at 09:50 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, 9.9 hours before the alert went out and 51 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 2007-12-06Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 00:00Z on 2007-12-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 23 square meters per square second.193958Sfc1 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
772 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
23 m²/s²
0-3 km storm-relative helicity
28 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.

000 
WWUS43 KILX 060951
WSWILX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE LINCOLN IL
351 AM CST THU DEC 6 2007

...ACCUMULATING SNOW AND SLEET EXPECTED LATE THIS AFTERNOON AND
TONIGHT...

.A QUICK MOVING UPPER LEVEL SYSTEM WILL BRING ANOTHER ROUND OF
SNOW AND POSSIBLY SLEET TO THE AREA LATE THIS AFTERNOON AND TONIGHT.
MOISTURE FROM THE GULF OF MEXICO WILL INTERACT WITH THIS UPPER
LEVEL SYSTEM TO PRODUCE PERIODS OF LIGHT TO MODERATE SNOW ACROSS
THE AREA. MOST OF THE AREA WILL RECEIVE 2 TO 4 INCHES OF SNOW BY
FRIDAY MORNING. AREAS ALONG AND SOUTH OF INTERSTATE 70 WILL SEE A
MIX OF SNOW AND SLEET DUE TO SLIGHTLY WARMER TEMPERATURES IN THE
LOWER LEVELS.

ILZ027>031-036-037-040-041-047>050-061400-
/O.NEW.KILX.SN.Y.0003.071206T2100Z-071207T1200Z/
KNOX-STARK-PEORIA-MARSHALL-WOODFORD-FULTON-TAZEWELL-SCHUYLER-
MASON-CASS-MENARD-SCOTT-MORGAN-
INCLUDING THE CITIES OF...GALESBURG...PEORIA...HAVANA...
JACKSONVILLE
351 AM CST THU DEC 6 2007

...SNOW ADVISORY IN EFFECT FROM 3 PM THIS AFTERNOON TO 6 AM CST
FRIDAY...

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT FROM 3 PM THIS AFTERNOON TO 6 AM
CST FRIDAY. 

SNOW WILL BEGIN ACROSS WEST CENTRAL ILLINOIS AROUND 3 PM THIS
AFTERNOON. PERIODS OF LIGHT TO MODERATE SNOW ARE EXPECTED TO OCCUR
THROUGHOUT THE NIGHT. TOTAL ACCUMULATIONS OF 2 TO 4 INCHES ARE
EXPECTED BY THE TIME THE SNOW TAPERS OFF FRIDAY MORNING.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

ILZ038-042>046-051>057-061>063-061400-
/O.NEW.KILX.SN.Y.0003.071207T0000Z-071207T1200Z/
MCLEAN-LOGAN-DE WITT-PIATT-CHAMPAIGN-VERMILION-SANGAMON-CHRISTIAN-
MACON-MOULTRIE-DOUGLAS-COLES-EDGAR-SHELBY-CUMBERLAND-CLARK-
INCLUDING THE CITIES OF...BLOOMINGTON...NORMAL...LINCOLN...
CHAMPAIGN...URBANA...DANVILLE...SPRINGFIELD...TAYLORVILLE...
DECATUR...CHARLESTON...MATTOON...SHELBYVILLE
351 AM CST THU DEC 6 2007

...SNOW ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 6 AM CST
FRIDAY...

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 6 AM CST
FRIDAY. 

SNOW WILL BEGIN ACROSS CENTRAL AND EAST CENTRAL ILLINOIS AROUND 6
PM. PERIODS OF LIGHT TO MODERATE SNOW ARE EXPECTED TO OCCUR
THROUGHOUT THE NIGHT. TOTAL ACCUMULATIONS OF 2 TO 4 INCHES ARE
EXPECTED BY THE TIME THE SNOW TAPERS OFF FRIDAY MORNING..

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

ILZ066>068-071>073-061400-
/O.NEW.KILX.WW.Y.0005.071207T0000Z-071207T1200Z/
EFFINGHAM-JASPER-CRAWFORD-CLAY-RICHLAND-LAWRENCE-
INCLUDING THE CITIES OF...EFFINGHAM...FLORA...LAWRENCEVILLE
351 AM CST THU DEC 6 2007

...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO
6 AM CST FRIDAY...

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A WINTER
WEATHER ADVISORY...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO
6 AM CST FRIDAY. 

A MIXTURE OF SNOW AND SLEET WILL OVERSPREAD SOUTHEAST ILLINOIS
STARTING AROUND 6 PM AND CONTINUE THROUGHOUT THE NIGHT. TOTAL
SLEET ACCUMULATIONS OF LESS THAN ONE HALF INCH WILL COMBINE WITH
SNOW ACCUMULATIONS OF 1 TO 2 INCHES BEFORE THE WINTERY
PRECIPITATION ENDS FRIDAY MORNING.

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

$$

AUTEN
7 follow-up statements
000 
WWUS43 KILX 061102 CCA
WSWILX

URGENT - WINTER WEATHER MESSAGE...CORRECTED
NATIONAL WEATHER SERVICE LINCOLN IL
501 AM CST THU DEC 6 2007

...ACCUMULATING SNOW AND SLEET EXPECTED LATE THIS AFTERNOON AND
TONIGHT...

.A QUICK MOVING UPPER LEVEL SYSTEM WILL BRING ANOTHER ROUND OF
SNOW AND POSSIBLY SLEET TO THE AREA LATE THIS AFTERNOON AND TONIGHT.
MOISTURE FROM THE GULF OF MEXICO WILL INTERACT WITH THIS UPPER
LEVEL SYSTEM TO PRODUCE PERIODS OF LIGHT TO MODERATE SNOW ACROSS
THE AREA. MOST OF THE AREA WILL RECEIVE 2 TO 4 INCHES OF SNOW BY
FRIDAY MORNING. AREAS ALONG AND SOUTH OF INTERSTATE 70 WILL SEE A
MIX OF SNOW AND SLEET DUE TO SLIGHTLY WARMER TEMPERATURES IN THE
LOWER LEVELS.

ILZ027>031-036-037-040-041-047>050-061530-
/O.COR.KILX.SN.Y.0003.071206T2100Z-071207T1200Z/
KNOX-STARK-PEORIA-MARSHALL-WOODFORD-FULTON-TAZEWELL-SCHUYLER-
MASON-CASS-MENARD-SCOTT-MORGAN-
INCLUDING THE CITIES OF...GALESBURG...PEORIA...HAVANA...
JACKSONVILLE
501 AM CST THU DEC 6 2007

...SNOW ADVISORY IN EFFECT FROM 3 PM THIS AFTERNOON TO 6 AM CST
FRIDAY...

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT FROM 3 PM THIS AFTERNOON TO 6 AM
CST FRIDAY. 

SNOW WILL BEGIN ACROSS WEST CENTRAL ILLINOIS AROUND 3 PM THIS
AFTERNOON. PERIODS OF LIGHT TO MODERATE SNOW ARE EXPECTED TO OCCUR
THROUGHOUT THE NIGHT. TOTAL ACCUMULATIONS OF 3 TO 4 INCHES ARE
EXPECTED BY THE TIME THE SNOW TAPERS OFF FRIDAY MORNING.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

ILZ038-042>046-051>057-061>063-061530-
/O.NEW.KILX.SN.Y.0003.071207T0000Z-071207T1200Z/
MCLEAN-LOGAN-DE WITT-PIATT-CHAMPAIGN-VERMILION-SANGAMON-CHRISTIAN-
MACON-MOULTRIE-DOUGLAS-COLES-EDGAR-SHELBY-CUMBERLAND-CLARK-
INCLUDING THE CITIES OF...BLOOMINGTON...NORMAL...LINCOLN...
CHAMPAIGN...URBANA...DANVILLE...SPRINGFIELD...TAYLORVILLE...
DECATUR...CHARLESTON...MATTOON...SHELBYVILLE
501 AM CST THU DEC 6 2007

...SNOW ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 6 AM CST
FRIDAY...

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 6 AM CST
FRIDAY. 

SNOW WILL BEGIN ACROSS CENTRAL AND EAST CENTRAL ILLINOIS AROUND 6
PM. PERIODS OF LIGHT TO MODERATE SNOW ARE EXPECTED TO OCCUR
THROUGHOUT THE NIGHT. TOTAL ACCUMULATIONS OF 2 TO 4 INCHES ARE
EXPECTED BY THE TIME THE SNOW TAPERS OFF FRIDAY MORNING..

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

ILZ066>068-071>073-061530-
/O.NEW.KILX.WW.Y.0005.071207T0000Z-071207T1200Z/
EFFINGHAM-JASPER-CRAWFORD-CLAY-RICHLAND-LAWRENCE-
INCLUDING THE CITIES OF...EFFINGHAM...FLORA...LAWRENCEVILLE
501 AM CST THU DEC 6 2007

...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO
6 AM CST FRIDAY...

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A WINTER
WEATHER ADVISORY...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO
6 AM CST FRIDAY. 

A MIXTURE OF SNOW AND SLEET WILL OVERSPREAD SOUTHEAST ILLINOIS
STARTING AROUND 6 PM AND CONTINUE THROUGHOUT THE NIGHT. TOTAL
SLEET ACCUMULATIONS OF LESS THAN ONE HALF INCH WILL COMBINE WITH
SNOW ACCUMULATIONS OF 1 TO 2 INCHES BEFORE THE WINTERY
PRECIPITATION ENDS FRIDAY MORNING.

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

$$

AUTEN
000 
WWUS43 KILX 061352
WSWILX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE LINCOLN IL
752 AM CST THU DEC 6 2007

...ACCUMULATING SNOW AND SLEET EXPECTED LATE THIS AFTERNOON AND
TONIGHT...

.A QUICK MOVING UPPER LEVEL SYSTEM WILL BRING ANOTHER ROUND OF
SNOW AND POSSIBLY SLEET TO THE AREA LATE THIS AFTERNOON AND
TONIGHT. MOISTURE FROM THE GULF OF MEXICO WILL INTERACT WITH THIS
UPPER LEVEL SYSTEM TO PRODUCE PERIODS OF LIGHT TO MODERATE SNOW
ACROSS THE AREA. MOST OF THE AREA WILL RECEIVE 2 TO 4 INCHES OF
SNOW BY FRIDAY MORNING. AREAS ALONG AND SOUTH OF INTERSTATE
70 WILL SEE A MIX OF SNOW AND SLEET DUE TO SLIGHTLY WARMER
TEMPERATURES IN THE LOWER LEVELS.

ILZ027>031-036-037-040-041-047>050-061800-
/O.CON.KILX.SN.Y.0003.071206T2100Z-071207T1200Z/
KNOX-STARK-PEORIA-MARSHALL-WOODFORD-FULTON-TAZEWELL-SCHUYLER-
MASON-CASS-MENARD-SCOTT-MORGAN-
INCLUDING THE CITIES OF...GALESBURG...PEORIA...HAVANA...
JACKSONVILLE
752 AM CST THU DEC 6 2007

...SNOW ADVISORY REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO
6 AM CST FRIDAY...

A SNOW ADVISORY REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO
6 AM CST FRIDAY. 

SNOW WILL BEGIN ACROSS WEST CENTRAL ILLINOIS AROUND 3 PM THIS
AFTERNOON. PERIODS OF LIGHT TO MODERATE SNOW ARE EXPECTED TO
OCCUR THROUGHOUT THE NIGHT. TOTAL ACCUMULATIONS OF 3 TO 4 INCHES
ARE EXPECTED BY THE TIME THE SNOW TAPERS OFF FRIDAY MORNING.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

ILZ038-042>046-051>057-061>063-061800-
/O.CON.KILX.SN.Y.0003.071207T0000Z-071207T1200Z/
MCLEAN-LOGAN-DE WITT-PIATT-CHAMPAIGN-VERMILION-SANGAMON-CHRISTIAN-
MACON-MOULTRIE-DOUGLAS-COLES-EDGAR-SHELBY-CUMBERLAND-CLARK-
INCLUDING THE CITIES OF...BLOOMINGTON...NORMAL...LINCOLN...
CHAMPAIGN...URBANA...DANVILLE...SPRINGFIELD...TAYLORVILLE...
DECATUR...CHARLESTON...MATTOON...SHELBYVILLE
752 AM CST THU DEC 6 2007

...SNOW ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 AM
CST FRIDAY...

A SNOW ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 AM
CST FRIDAY. 

SNOW WILL BEGIN ACROSS CENTRAL AND EAST CENTRAL ILLINOIS AROUND
6 PM. PERIODS OF LIGHT TO MODERATE SNOW ARE EXPECTED TO OCCUR
THROUGHOUT THE NIGHT. TOTAL ACCUMULATIONS OF 2 TO 4 INCHES ARE
EXPECTED BY THE TIME THE SNOW TAPERS OFF FRIDAY MORNING..

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

ILZ066>068-071>073-061800-
/O.CON.KILX.WW.Y.0005.071207T0000Z-071207T1200Z/
EFFINGHAM-JASPER-CRAWFORD-CLAY-RICHLAND-LAWRENCE-
INCLUDING THE CITIES OF...EFFINGHAM...FLORA...LAWRENCEVILLE
752 AM CST THU DEC 6 2007

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS
EVENING TO 6 AM CST FRIDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS
EVENING TO 6 AM CST FRIDAY. 

A MIXTURE OF SNOW AND SLEET WILL OVERSPREAD SOUTHEAST ILLINOIS
STARTING AROUND 6 PM AND CONTINUE THROUGHOUT THE NIGHT. TOTAL
SLEET ACCUMULATIONS OF LESS THAN ONE HALF INCH WILL COMBINE WITH
SNOW ACCUMULATIONS OF 1 TO 2 INCHES BEFORE THE WINTERY
PRECIPITATION ENDS FRIDAY MORNING.

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

$$

AUTEN
000 
WWUS43 KILX 061741
WSWILX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE LINCOLN IL
1141 AM CST THU DEC 6 2007

...ACCUMULATING SNOW AND SLEET EXPECTED LATE THIS AFTERNOON AND
TONIGHT...

.A QUICK MOVING UPPER LEVEL SYSTEM WILL BRING ANOTHER ROUND OF
SNOW AND POSSIBLY SLEET TO THE AREA LATE THIS AFTERNOON AND
TONIGHT. MOISTURE FROM THE GULF OF MEXICO WILL INTERACT WITH THIS
UPPER LEVEL SYSTEM TO PRODUCE PERIODS OF LIGHT TO MODERATE SNOW
ACROSS THE AREA. MOST OF THE AREA WILL RECEIVE 2 TO 4 INCHES OF
SNOW BY FRIDAY MORNING. AREAS ALONG AND SOUTH OF INTERSTATE
70 WILL SEE A MIX OF SNOW AND SLEET DUE TO SLIGHTLY WARMER
TEMPERATURES IN THE LOWER LEVELS.

ILZ027>031-036-037-040-041-047>050-062200-
/O.CON.KILX.SN.Y.0003.071206T2100Z-071207T1200Z/
KNOX-STARK-PEORIA-MARSHALL-WOODFORD-FULTON-TAZEWELL-SCHUYLER-
MASON-CASS-MENARD-SCOTT-MORGAN-
INCLUDING THE CITIES OF...GALESBURG...PEORIA...HAVANA...
JACKSONVILLE
1141 AM CST THU DEC 6 2007

...SNOW ADVISORY REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO
6 AM CST FRIDAY...

A SNOW ADVISORY REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO
6 AM CST FRIDAY. 

SNOW WILL BEGIN ACROSS WEST CENTRAL ILLINOIS AROUND 3 PM THIS
AFTERNOON. PERIODS OF LIGHT TO MODERATE SNOW ARE EXPECTED TO
OCCUR THROUGHOUT THE NIGHT. TOTAL ACCUMULATIONS OF 3 TO 4 INCHES
ARE EXPECTED BY THE TIME THE SNOW TAPERS OFF FRIDAY MORNING.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

ILZ038-042>046-051>057-061>063-062200-
/O.CON.KILX.SN.Y.0003.071207T0000Z-071207T1200Z/
MCLEAN-LOGAN-DE WITT-PIATT-CHAMPAIGN-VERMILION-SANGAMON-CHRISTIAN-
MACON-MOULTRIE-DOUGLAS-COLES-EDGAR-SHELBY-CUMBERLAND-CLARK-
INCLUDING THE CITIES OF...BLOOMINGTON...NORMAL...LINCOLN...
CHAMPAIGN...URBANA...DANVILLE...SPRINGFIELD...TAYLORVILLE...
DECATUR...CHARLESTON...MATTOON...SHELBYVILLE
1141 AM CST THU DEC 6 2007

...SNOW ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 AM
CST FRIDAY...

A SNOW ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 6 AM
CST FRIDAY. 

SNOW WILL BEGIN ACROSS CENTRAL AND EAST CENTRAL ILLINOIS AROUND
6 PM. PERIODS OF LIGHT TO MODERATE SNOW ARE EXPECTED TO OCCUR
THROUGHOUT THE NIGHT. TOTAL ACCUMULATIONS OF 2 TO 4 INCHES ARE
EXPECTED BY THE TIME THE SNOW TAPERS OFF FRIDAY MORNING..

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

ILZ066>068-071>073-062200-
/O.CON.KILX.WW.Y.0005.071207T0000Z-071207T1200Z/
EFFINGHAM-JASPER-CRAWFORD-CLAY-RICHLAND-LAWRENCE-
INCLUDING THE CITIES OF...EFFINGHAM...FLORA...LAWRENCEVILLE
1141 AM CST THU DEC 6 2007

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS
EVENING TO 6 AM CST FRIDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS
EVENING TO 6 AM CST FRIDAY. 

A MIXTURE OF SNOW AND SLEET WILL OVERSPREAD SOUTHEAST ILLINOIS
STARTING AROUND 6 PM AND CONTINUE THROUGHOUT THE NIGHT. TOTAL
SLEET ACCUMULATIONS OF LESS THAN ONE HALF INCH WILL COMBINE WITH
SNOW ACCUMULATIONS OF 1 TO 2 INCHES BEFORE THE WINTERY
PRECIPITATION ENDS FRIDAY MORNING.

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

$$
000 
WWUS43 KILX 062109
WSWILX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE LINCOLN IL
309 PM CST THU DEC 6 2007

...ACCUMULATING SNOW AND SLEET EXPECTED LATE THIS AFTERNOON AND
TONIGHT...

.A QUICK MOVING UPPER LEVEL SYSTEM WILL BRING ANOTHER ROUND OF
SNOW AND POSSIBLY SLEET TO THE AREA LATE THIS AFTERNOON AND
TONIGHT. MOISTURE FROM THE GULF OF MEXICO WILL INTERACT WITH THIS
UPPER LEVEL SYSTEM TO PRODUCE PERIODS OF LIGHT TO MODERATE SNOW
ACROSS THE AREA. MOST OF THE AREA WILL RECEIVE 2 TO 4 INCHES OF
SNOW BY FRIDAY MORNING. AREAS ALONG AND SOUTH OF INTERSTATE
70 WILL SEE A MIX OF SNOW AND SLEET DUE TO SLIGHTLY WARMER
TEMPERATURES IN THE LOWER LEVELS.

ILZ027>031-036-037-040-041-047>050-070200-
/O.CON.KILX.SN.Y.0003.000000T0000Z-071207T1200Z/
KNOX-STARK-PEORIA-MARSHALL-WOODFORD-FULTON-TAZEWELL-SCHUYLER-
MASON-CASS-MENARD-SCOTT-MORGAN-
INCLUDING THE CITIES OF...GALESBURG...PEORIA...HAVANA...
JACKSONVILLE
309 PM CST THU DEC 6 2007

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST FRIDAY...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST FRIDAY. 

SNOW WILL BEGIN ACROSS WEST CENTRAL ILLINOIS AROUND 3 PM THIS
AFTERNOON. PERIODS OF LIGHT TO MODERATE SNOW ARE EXPECTED TO
OCCUR THROUGHOUT THE NIGHT. TOTAL ACCUMULATIONS OF 2 TO 4 INCHES
ARE EXPECTED BY THE TIME THE SNOW TAPERS OFF FRIDAY MORNING.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

ILZ038-042>046-051>057-061>063-070200-
/O.CON.KILX.SN.Y.0003.071207T0000Z-071207T1200Z/
MCLEAN-LOGAN-DE WITT-PIATT-CHAMPAIGN-VERMILION-SANGAMON-CHRISTIAN-
MACON-MOULTRIE-DOUGLAS-COLES-EDGAR-SHELBY-CUMBERLAND-CLARK-
INCLUDING THE CITIES OF...BLOOMINGTON...NORMAL...LINCOLN...
CHAMPAIGN...URBANA...DANVILLE...SPRINGFIELD...TAYLORVILLE...
DECATUR...CHARLESTON...MATTOON...SHELBYVILLE
309 PM CST THU DEC 6 2007

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST FRIDAY...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST FRIDAY. 

SNOW WILL BEGIN ACROSS CENTRAL AND EAST CENTRAL ILLINOIS AROUND
6 PM. PERIODS OF LIGHT TO MODERATE SNOW ARE EXPECTED TO OCCUR
THROUGHOUT THE NIGHT. TOTAL ACCUMULATIONS OF 2 TO 4 INCHES ARE
EXPECTED BY THE TIME THE SNOW TAPERS OFF FRIDAY MORNING..

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

ILZ066>068-071>073-070200-
/O.CON.KILX.WW.Y.0005.071207T0000Z-071207T1200Z/
EFFINGHAM-JASPER-CRAWFORD-CLAY-RICHLAND-LAWRENCE-
INCLUDING THE CITIES OF...EFFINGHAM...FLORA...LAWRENCEVILLE
309 PM CST THU DEC 6 2007

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST
FRIDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST
FRIDAY. 

A MIXTURE OF SNOW AND SLEET WILL OVERSPREAD SOUTHEAST ILLINOIS
STARTING AROUND 6 PM AND CONTINUE THROUGHOUT THE NIGHT. TOTAL
SLEET ACCUMULATIONS OF LESS THAN ONE HALF INCH WILL COMBINE WITH
SNOW ACCUMULATIONS OF 1 TO 2 INCHES BEFORE THE WINTERY
PRECIPITATION ENDS FRIDAY MORNING.

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

$$
000 
WWUS43 KILX 070151
WSWILX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE LINCOLN IL
751 PM CST THU DEC 6 2007

...ACCUMULATING SNOW AND SLEET TO CONTINUE THROUGH MOST OF THE
EVENING...

.A QUICK MOVING UPPER LEVEL SYSTEM WILL CONTINUE TO PRODUCE LIGHT
TO MODERATE SNOW ACROSS CENTRAL...EAST CENTRAL ILLINOIS. A WINTRY
MIX OF SNOW...SLEET AND FREEZING RAIN WILL OCCUR ACROSS ALONG THE
INTERSTATE 70 CORRIDOR THROUGH EARLY FRIDAY MORNING. 

ILZ027>031-036>038-040>057-061>063-070800-
/O.CON.KILX.SN.Y.0003.000000T0000Z-071207T1200Z/
KNOX-STARK-PEORIA-MARSHALL-WOODFORD-FULTON-TAZEWELL-MCLEAN-
SCHUYLER-MASON-LOGAN-DE WITT-PIATT-CHAMPAIGN-VERMILION-CASS-
MENARD-SCOTT-MORGAN-SANGAMON-CHRISTIAN-MACON-MOULTRIE-DOUGLAS-
COLES-EDGAR-SHELBY-CUMBERLAND-CLARK-
INCLUDING THE CITIES OF...GALESBURG...PEORIA...BLOOMINGTON...
NORMAL...HAVANA...LINCOLN...CHAMPAIGN...URBANA...DANVILLE...
JACKSONVILLE...SPRINGFIELD...TAYLORVILLE...DECATUR...CHARLESTON...
MATTOON...SHELBYVILLE
751 PM CST THU DEC 6 2007

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST FRIDAY...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST FRIDAY. 

SNOW WILL CONTINUE THROUGH MOST OF THE EVENING. PERIODS OF LIGHT
TO MODERATE SNOW ARE EXPECTED TO OCCUR THROUGH THE EVENING. TOTAL
ACCUMULATIONS OF 2 TO 3 INCHES CAN BE EXPECTED WITH A FEW LOCATIONS
SEEING UP TO 4 INCHES. TEMPERATURES THROUGH THE REST OF THE EVENING
WILL REMAIN BELOW FREEZING THUS ROADWAYS WILL REMAIN SNOW COVERED
AND HAZARDOUS...ESPECIALLY ON BRIDGE DECKS AND ON LESSER TRAVELED
ROADS.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

ILZ066>068-071>073-070800-
/O.CON.KILX.WW.Y.0005.000000T0000Z-071207T1200Z/
EFFINGHAM-JASPER-CRAWFORD-CLAY-RICHLAND-LAWRENCE-
INCLUDING THE CITIES OF...EFFINGHAM...FLORA...LAWRENCEVILLE
751 PM CST THU DEC 6 2007

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST
FRIDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST
FRIDAY. 

A MIXTURE OF SNOW AND SLEET...ALONG WITH SOME FREEZING RAIN CAN BE
EXPECTED THROUGH THE REST OF THE EVENING HOURS. TOTAL SLEET
ACCUMULATIONS OF LESS THAN ONE HALF INCH WILL COMBINE WITH SNOW
ACCUMULATIONS OF 1 TO 2 INCHES BEFORE THE WINTRY PRECIPITATION
ENDS FRIDAY MORNING. 

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

$$
SMITH
000 
WWUS43 KILX 070552
WSWILX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE LINCOLN IL
1152 PM CST THU DEC 6 2007

...SNOW QUICKLY COMING TO AN END ACROSS PARTS OF CENTRAL AND 
EAST CENTRAL ILLINOIS...

ILZ027>031-036>038-040>043-047>053-070700-
/O.CAN.KILX.SN.Y.0003.000000T0000Z-071207T1200Z/
KNOX-STARK-PEORIA-MARSHALL-WOODFORD-FULTON-TAZEWELL-MCLEAN-
SCHUYLER-MASON-LOGAN-DE WITT-CASS-MENARD-SCOTT-MORGAN-SANGAMON-
CHRISTIAN-MACON-
INCLUDING THE CITIES OF...GALESBURG...PEORIA...BLOOMINGTON...
NORMAL...HAVANA...LINCOLN...JACKSONVILLE...SPRINGFIELD...
TAYLORVILLE...DECATUR
1152 PM CST THU DEC 6 2007

...SNOW ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS CANCELED THE SNOW
ADVISORY. 

SNOW WILL QUICKLY MOVE OUT OF THE AREA EARLY THIS MORNING WITH
ONLY THE FAR EAST EXPERIENCING MINOR ADDITIONAL ACCUMULATIONS.
PATCHY FLURRIES OR POSSIBLY SOME FREEZING DRIZZLE WILL LINGER
THROUGH THE EARLY MORNING HOURS.

$$

ILZ044>046-054>057-061>063-070800-
/O.CON.KILX.SN.Y.0003.000000T0000Z-071207T1200Z/
PIATT-CHAMPAIGN-VERMILION-MOULTRIE-DOUGLAS-COLES-EDGAR-SHELBY-
CUMBERLAND-CLARK-
INCLUDING THE CITIES OF...CHAMPAIGN...URBANA...DANVILLE...
CHARLESTON...MATTOON...SHELBYVILLE
1152 PM CST THU DEC 6 2007

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST FRIDAY...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST FRIDAY. 

LIGHT SNOW WILL CONTINUE ACROSS EXTREME EASTERN ILLINOIS THROUGH
200 AM. TOTAL ACCUMULATIONS OF 2 TO 3 INCHES CAN BE EXPECTED.
TEMPERATURES THROUGH THE REST OF THE EVENING WILL REMAIN BELOW
FREEZING THUS ROADWAYS WILL REMAIN SNOW COVERED AND
HAZARDOUS...ESPECIALLY ON BRIDGE DECKS AND ON LESSER TRAVELED
ROADS.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

ILZ066>068-071>073-070800-
/O.CON.KILX.WW.Y.0005.000000T0000Z-071207T1200Z/
EFFINGHAM-JASPER-CRAWFORD-CLAY-RICHLAND-LAWRENCE-
INCLUDING THE CITIES OF...EFFINGHAM...FLORA...LAWRENCEVILLE
1152 PM CST THU DEC 6 2007

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST
FRIDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM CST
FRIDAY. 

A MIXTURE OF SNOW AND SLEET...ALONG WITH SOME FREEZING RAIN CAN
BE EXPECTED INTO THE EARLY MORNING HOURS. TOTAL SNOW ACCUMULATIONS 
OF 1 TO 2 INCHES WILL BE POSSIBLE. 

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

$$
SMITH
000 
WWUS43 KILX 070743
WSWILX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE LINCOLN IL
143 AM CST FRI DEC 7 2007

...SNOW HAS TAPERED TO FLURRIES OR PATCHY FREEZING DRIZZLE...

ILZ044>046-054>057-061>063-070845-
/O.CAN.KILX.SN.Y.0003.000000T0000Z-071207T1200Z/
PIATT-CHAMPAIGN-VERMILION-MOULTRIE-DOUGLAS-COLES-EDGAR-SHELBY-
CUMBERLAND-CLARK-
INCLUDING THE CITIES OF...CHAMPAIGN...URBANA...DANVILLE...
CHARLESTON...MATTOON...SHELBYVILLE
143 AM CST FRI DEC 7 2007

...SNOW ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS CANCELLED THE SNOW
ADVISORY. 

THE STEADY SNOW SHOWERS HAVE MOVED EAST OF ILLINOIS. SCATTERED
FLURRIES OR PATCHY FREEZING DRIZZLE MAY LINGER THROUGH THE EARLY
MORNING HOURS. ROADS WILL STILL REMAIN SLIPPERY THE REST OF THE
NIGHT. USE CAUTION WHEN TRAVELING EARLY THIS MORNING.

$$

ILZ066>068-071>073-070845-
/O.CAN.KILX.WW.Y.0005.000000T0000Z-071207T1200Z/
EFFINGHAM-JASPER-CRAWFORD-CLAY-RICHLAND-LAWRENCE-
INCLUDING THE CITIES OF...EFFINGHAM...FLORA...LAWRENCEVILLE
143 AM CST FRI DEC 7 2007

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS CANCELLED THE WINTER
WEATHER ADVISORY. 

THE STEADY SNOW SHOWERS HAVE MOVED EAST OF ILLINOIS. SCATTERED
FLURRIES OR PATCHY FREEZING DRIZZLE MAY LINGER THROUGH THE EARLY
MORNING HOURS. ROADS WILL STILL REMAIN SLIPPERY THE REST OF THE
NIGHT. USE CAUTION WHEN TRAVELING EARLY THIS MORNING.

$$

SHIMON

What forecasters said that day

The local office's own words before this snow advisory 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 snow advisory went out at Dec 5, 11:37 PM CST, 4 hours 14 minutes earlier.

Area forecast discussion, Dec 5, 11:37 PM CST, 4 hours 14 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LINCOLN IL
1137 PM CST WED DEC 5 2007

.DISCUSSION...
ISSUED 832 PM CST WED DEC 5 2007

TEMPS NOSE DIVING THIS EVENING...ESPECIALLY OVER THE SNOW COVERED
AREAS TO OUR NORTH WHERE LACON WAS ALREADY DOWN TO 10 DEGREES. WL
MAKE SOME CHANGES TO THE OVERNIGHT LOWS...ESPECIALLY ACRS THE NORTH
WHERE A FEW SPOTS ARE ALREADY AT THEIR EXPECTED OVERNIGHT LOWS. A
FEW OF THE MORE FAVORED COLD SPOTS MAY DIP TO AROUND 5 ABOVE ZERO
BY MRNG. STRATOCU DECK OFF OF LAKE MICHIGAN SHIFTING SOUTH AND DISSIPATING
THIS EVENING WITH BOUNDARY LAYER WINDS NOW TURNING MORE INTO A NNW
DIRECTION. CLEAR SKIES SHOULD CONTINUE ACRS MOST OF THE AREA OVERNIGHT
WITH GOOD RADIATIONAL COOLING EXPECTED AS THE CENTER OF THE COLD AIR
MASS WL BE RIGHT OVER CNTRL IL BY MRNG. WL PROBABLY START TO SEE SOME
CIRRUS MOVE IN JUST AFTR 12Z AHEAD OF OUR NEXT WX SYSTEM FOR LATE TMRW
AFTN AND EVENING.

SMITH

&&

.AVIATION...
ISSUED 1135 PM CST WED DEC 5 2007

VFR CONDITIONS TO PREVAIL THRU EARLY THU AFTN BEFORE ANOTHER FAST
MOVING WEATHER SYSTEM MOVES INTO THE REGION. LIGHT SFC WINDS TONIGHT
WL BECOME SOUTH THU MRNG AND MORE INTO A SSE DIRECTION BY AFTN AS
THE SYSTEM APPROACHES FROM THE WEST. CIGS AND VSBYS TO QUICKLY LOWER
AS THE SNOW DEVELOPS AFTR 21Z THU ACRS OUR WRN TAF (PIA, SPI) SITES
WITH THE PIA AND BMI LOCATIONS EXPERIENCING OCCASIONAL VSBYS DOWN
TO LESS THAN A MILE FROM ABT 00Z TO 04Z WHEN THE MAX LIFT IS FCST
TO MOVE THROUGH. MVFR/IFR CIGS SHOULD CONTINUE INTO THE NIGHT AS
THE SNOW TAPERS OFF AFTR 06Z WITH LIGHT SSW SFC WNDS.

SMITH
&&

.PREV DISCUSSION...
ISSUED 254 PM CST WED DEC 5 2007

LATEST SURFACE ANALYSIS HAD AN AREA OF HIGH PRESSURE...CENTERED OVER
THE UPPER MIDWEST...BUILDING INTO THE GREAT LAKES/MIDWEST FROM THE
PLAINS. THIS WILL BRING CENTRAL/SOUTHEAST ILLINOIS A BRIEF PERIOD OF
QUIET WEATHER AHEAD OF OUR NEXT WEATHER MAKER LATE THURSDAY/THURSDAY
NIGHT. THIS WEATHER SYSTEM...SEVERAL OTHERS IN ITS WAKE...AND THE
ASSOCIATED PRECIPITATION THREAT...ARE THE PRIMARY FORECAST CONCERNS
OVER THE NEXT SEVERAL DAYS.

12Z MODELS REALLY NOT IN GREAT AGREEMENT AT ALMOST ANY POINT IN
TODAY/S FORECAST PERIOD. HOWEVER...THE FLAVOR IS SIMILAR THROUGH THE
WEEKEND AND THIS SUPPORTS GOING WITH A BLEND ON THE DETAILS OVER THE
NEXT FEW DAYS. WITH THIS THINKING IN MIND...HAVE ALSO GONE WITH A
BLEND OF GUIDANCE TEMPERATURES TO SMOOTH THE SOMETIMES SIZABLE
SPREADS.

SHORT TERM...TONIGHT THROUGH SATURDAY...

TONIGHT...HIGH PRESSURE OVER THE UPPER MIDWEST RAPIDLY BUILDS FROM
NORTHWEST TO SOUTHEAST ACROSS FORECAST AREA. SOME LINGERING
CLOUDS/FLURRIES OFF LAKE MICHIGAN POSSIBLE THIS EVENING ALONG AND
EAST OF THE I-57 CORRIDOR UNTIL WINDS BACK MORE WESTERLY.
OTHERWISE...MOSTLY CLEAR AND COLD CONDITIONS ARE EXPECTED.

THURSDAY/THURSDAY NIGHT...SHORT WAVE...CURRENTLY OFF THE PACIFIC
NORTHWEST COAST...WILL RACE THROUGH THE REGION IN A QUICK ZONAL
FLOW. THIS SHORT WAVE DOES NOT LOOK LIKE MUCH IN UPPER LEVEL PROGS
AND DOES NOT PRODUCE MUCH OF A SURFACE REFLECTION ASIDE FROM A
FRONT/WIND SHIFT. HOWEVER...RELATIVELY STRONG ISENTROPIC LIFT IS
EXPECTED JUST AHEAD OF THIS WAVE. ALSO...THE NORTHERN SECTION OF THE
FORECAST AREA WILL BE UNDER THE LEFT EXIT REGION OF 120+ KT JET THAT
WILL BE DRIVING THE WAVE. SPECIFIC HUMIDITIES ON REPRESENTATIVE
ISENTROPIC CHARTS OF 2-4 G/KG AND THE RELATIVELY STRONG FORCING
WOULD SUPPORT SNOW ACCUMULATIONS APPROACHING ADVISORY LEVEL
/3 INCHES/ IN THE NORTH FROM LATE TOMORROW AFTERNOON INTO THE EARLY
OVERNIGHT HOURS. HOWEVER... THE VERY RAPID MOVEMENT OF THIS SYSTEM
AND ASSOCIATED FORCING SHOULD KEEP ACCUMULATIONS A BIT LOWER.

FRIDAY THROUGH SATURDAY...THE LOW LEVEL FRONT/BAROCLINIC ZONE BEHIND
THURSDAY/S SYSTEM DOES NOT PUSH MUCH FURTHER SOUTH THAN SOUTHERN
ILLINOIS/OHIO VALLEY. THE NAM IS ALONE IN KEEPING SOME PRECIPITATION
ACROSS THE SOUTHERN SECTIONS OF THE FORECAST AREA ON FRIDAY TO THE
NORTH OF THE BOUNDARY...BUT THE AIRMASS APPEARS TOO DRY/FORCING TOO
WEAK TO GO WITH MORE THAN A SLIGHT CHANCE OF SNOW/RAIN ACROSS THE
SOUTH.

A VIGOROUS TROF WILL DIG OFF THE WEST COAST OF THE U.S. ON FRIDAY.
THIS TROFFING WILL REMAIN IN PLACE HEADING INTO THE WEEKEND. AN
INITIAL PIECE OF ENERGY WILL EJECT OUT OF THIS TROF FRIDAY NIGHT
INTO SATURDAY...POTENTIALLY ACTIVATING THE FRONT/BAROCLINIC ZONE TO
OUR SOUTH. HOWEVER...THE BEST FORCING/MOISTURE RETURN WITH THIS
FEATURE WILL LIE TO OUR WEST...SO DO NOT EXPECT SIGNIFICANT
PRECIPITATION CHANCES AT THIS TIME.

LONG TERM...SATURDAY NIGHT THROUGH WEDNESDAY...MODELS/ENSEMBLES
CONTINUE TO STRUGGLE ON AGREEMENT WITH THE UNSETTLED AND POTENTIALLY
MESSY WEATHER EXPECTED IN THE EXTENDED RANGE OF THE FORECAST.
AGREEMENT IS REASONABLE INTO EARLY MONDAY WITH THE TROF WEST/RIDGE
EAST PATTERN ACROSS THE LOWER 48 AND A TIGHT BAROCLINIC ZONE IN THE
VICINITY OF ILLINOIS. PERIODIC DISTURBANCES EJECT OUT OF THE WESTERN
TROF AND BRING A RISK OF PRECIPITATION TO THE FORECAST AREA...
ESPECIALLY SATURDAY NIGHT/SUNDAY. UNFORTUNATELY...THE MODEL TREND IS
TOWARD A COOLER SOLUTION...WHICH WOULD INTRODUCE CONSIDERABLE
PRECIPITATION TYPE PROBLEMS ACROSS CENTRAL AND SOUTHEAST ILLINOIS.
FOR NOW...HAVE ADDED MENTION OF FREEZING RAIN IN THE NORTHWEST
SATURDAY NIGHT...AND ADDED MENTION OF RAIN OR SNOW IN SOME LATER
PERIODS. CONFIDENCE IN THE DETAILS BEYOND SUNDAY IS LOW...AS THE
MODELS VARY CONSIDERABLY IN HOW MUCH ENERGY TO EJECT OUT OF THE
SOUTHWEST TROF...WITH ANOTHER PATTERN SHIFT POSSIBLE BY THE MIDDLE
OF THE WEEK.

BAK

&&

.ILX WATCHES/WARNINGS/ADVISORIES...
NONE.
&&
Hazardous weather outlook, Dec 5, 4:02 PM CST, 11 hours 49 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LINCOLN IL
402 PM CST WED DEC 5 2007

ILZ027>031-036>038-040>057-061>063-066>068-071>073-061200-
CASS-CHAMPAIGN-CHRISTIAN-CLARK-CLAY-COLES-CRAWFORD-CUMBERLAND-
DE WITT-DOUGLAS-EDGAR-EFFINGHAM-FULTON-JASPER-KNOX-LAWRENCE-LOGAN-
MACON-MARSHALL-MASON-MCLEAN-MENARD-MORGAN-MOULTRIE-PEORIA-PIATT-
RICHLAND-SANGAMON-SCHUYLER-SCOTT-SHELBY-STARK-TAZEWELL-VERMILION-
WOODFORD-
402 PM CST WED DEC 5 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL
ILLINOIS...EAST CENTRAL ILLINOIS AND SOUTHEAST ILLINOIS.

.DAY ONE...TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

ANOTHER WINTER WEATHER SYSTEM WILL MOVE THROUGH THE AREA THURSDAY
AFTERNOON AND THURSDAY NIGHT...BRINGING ANOTHER CHANCE OF
ACCUMULATING SNOWS TO CENTRAL AND EASTERN ILLINOIS. MINOR SNOWFALL
TOTALS ARE EXPECTED ALONG AND NORTH OF INTERSTATE 72 THROUGH THE
PERIOD.

THEN A SERIES OF WEATHER SYSTEMS WILL MOVE ACROSS THE AREA
SATURDAY NIGHT THROUGH MONDAY...FROM THE SOUTHWEST. THESE SYSTEMS
WILL BRING A CHANCE OF RAIN AND SNOW TO THE AREA THROUGH THE
PERIOD.

.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
Dec 6, 3:51 AM CSTWinter Weather AdvisoryILXClay, Crawford, Effingham, Jasper, Lawrence, Richland22 hr

Nearby

Snow Advisories in Illinois, 2007Every snow advisory in 2007

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.