Alert archive / Illinois / Snow Advisories in 2007

Snow Advisory 4, NWS Lincoln, IL

December 14, 200717 counties in Illinois

NWS Lincoln, IL issued this snow advisory at Dec 14, 2007, 3:25 PM CST for 17 counties in Illinois. It took effect at Dec 15, 2007, 6:00 AM CST. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued
Dec 14, 2007, 3:25 PM CST (21:25 UTC)
In effect from
Dec 15, 2007, 6:00 AM CST
Expired
Dec 15, 2007, 3:39 PM CST
In force
10 hr
Issued by
NWS Lincoln, IL

Counties Cass County, IL, DeWitt County, IL, Fulton County, IL, Knox County, IL, Logan County, IL, Marshall County, IL, Mason County, IL, McLean County, IL, Menard County, IL, Morgan County, IL, Peoria County, IL, Sangamon County, IL, Schuyler County, IL, Scott County, IL, Stark County, IL, Tazewell County, IL, Woodford County, IL

The radar

The Lincoln radar (KILX), 43 km from the middle of the area, began a volume at 21:29 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, 9.4 hours before the alert went out and 102 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 2007-12-14Temperature 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 12:00Z on 2007-12-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -71 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
978 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
-71 m²/s²
0-3 km storm-relative helicity
25 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 142125
WSWILX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE LINCOLN IL
325 PM CST FRI DEC 14 2007

...WINTER STORM THREATENS CENTRAL...EAST CENTRAL AND SOUTHEAST
ILLINOIS SATURDAY AND SATURDAY NIGHT...

.A STORM SYSTEM IS EXPECTED TO PUSH OUT OF THE SOUTHERN PLAINS AND
HEAD TO CENTRAL ILLINOIS ON SATURDAY BRINGING PERIODS OF SNOW TO
THE AREA. SOUTHEAST ILLINOIS WILL EXPERIENCE SNOW...SLEET AND
FREEZING RAIN SATURDAY BEFORE A CHANGEOVER TO SNOW SATURDAY NIGHT
WITH SIGNIFICANT ACCUMULATIONS POSSIBLE BY LATE SATURDAY NIGHT.

ILZ044>046-052>057-061>063-066>068-071>073-150300-
/O.NEW.KILX.WS.W.0002.071215T1200Z-071216T1200Z/
PIATT-CHAMPAIGN-VERMILION-CHRISTIAN-MACON-MOULTRIE-DOUGLAS-COLES-
EDGAR-SHELBY-CUMBERLAND-CLARK-EFFINGHAM-JASPER-CRAWFORD-CLAY-
RICHLAND-LAWRENCE-
INCLUDING THE CITIES OF...CHAMPAIGN...URBANA...DANVILLE...
TAYLORVILLE...DECATUR...CHARLESTON...MATTOON...SHELBYVILLE...
EFFINGHAM...FLORA...LAWRENCEVILLE
325 PM CST FRI DEC 14 2007

...WINTER STORM WARNING IN EFFECT FROM 6 AM SATURDAY TO 6 AM CST
SUNDAY...

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A WINTER STORM
WARNING...WHICH IS IN EFFECT FROM 6 AM SATURDAY TO 6 AM CST
SUNDAY. 

SNOW IS EXPECTED TO DEVELOP ACROSS PARTS OF EAST CENTRAL AND
SOUTHEAST ILLINOIS SATURDAY MORNING. THE SNOW MAY BECOME MIXED
WITH OR CHANGE TO FREEZING RAIN ALONG THE INTERSTATE 70 CORRIDOR.
THE MIXED PRECIPITATION WILL CHANGE BACK TO SNOW TOMORROW EVENING
WITH STORM TOTAL SNOWFALL IN THE 6 TO 8 INCH RANGE BY EARLY SUNDAY
MORNING. 

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE.  THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

$$

ILZ027>031-036>038-040>043-047>051-150300-
/O.NEW.KILX.SN.Y.0004.071215T1200Z-071216T1200Z/
KNOX-STARK-PEORIA-MARSHALL-WOODFORD-FULTON-TAZEWELL-MCLEAN-
SCHUYLER-MASON-LOGAN-DE WITT-CASS-MENARD-SCOTT-MORGAN-SANGAMON-
INCLUDING THE CITIES OF...GALESBURG...PEORIA...BLOOMINGTON...
NORMAL...HAVANA...LINCOLN...JACKSONVILLE...SPRINGFIELD
325 PM CST FRI DEC 14 2007

...SNOW ADVISORY IN EFFECT FROM 6 AM SATURDAY TO 6 AM CST
SUNDAY...

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT FROM 6 AM SATURDAY TO 6 AM CST
SUNDAY. 

SNOW IS EXPECTED TO DEVELOP WEST OF INTERSTATE 55 BETWEEN 200 AM
AND 600 AM SATURDAY MORNING WITH PERIODS OF SNOW EXPECTED TO
CONTINUE TO SPREAD EAST OVER THE REMAINDER OF THE AREA DURING THE
MORNING. BY THE TIME THE STORM PULLS OFF TO OUR EAST LATE SATURDAY
NIGHT...THE TOTAL SNOW ACCUMULATION WILL RANGE FROM 3 TO 5 INCHES.

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.

$$
SMITH
6 follow-up statements
000 
WWUS43 KILX 150241
WSWILX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE LINCOLN IL
841 PM CST FRI DEC 14 2007

...WINTER STORM THREATENS CENTRAL...EAST CENTRAL AND SOUTHEAST
ILLINOIS SATURDAY AND SATURDAY NIGHT...

.A STORM SYSTEM WILL PUSH OUT OF THE SOUTHERN PLAINS INTO THE OHIO
VALLEY ON SATURDAY AND BRING PERIODS OF SNOW TO CENTRAL ILLINOIS.
SOUTHEAST ILLINOIS WILL EXPERIENCE SNOW...SLEET AND FREEZING RAIN
SATURDAY BEFORE A CHANGEOVER TO SNOW SATURDAY NIGHT WITH
SIGNIFICANT ACCUMULATIONS POSSIBLE BY LATE SATURDAY NIGHT.

ILZ044>046-052>057-061>063-066>068-071>073-150700-
/O.CON.KILX.WS.W.0002.071215T1200Z-071216T1200Z/
PIATT-CHAMPAIGN-VERMILION-CHRISTIAN-MACON-MOULTRIE-DOUGLAS-COLES-
EDGAR-SHELBY-CUMBERLAND-CLARK-EFFINGHAM-JASPER-CRAWFORD-CLAY-
RICHLAND-LAWRENCE-
INCLUDING THE CITIES OF...CHAMPAIGN...URBANA...DANVILLE...
TAYLORVILLE...DECATUR...CHARLESTON...MATTOON...SHELBYVILLE...
EFFINGHAM...FLORA...LAWRENCEVILLE
841 PM CST FRI DEC 14 2007

...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 AM SATURDAY TO
6 AM CST SUNDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 6 AM SATURDAY TO
6 AM CST SUNDAY. 

SNOW IS EXPECTED TO DEVELOP ACROSS PARTS OF EAST CENTRAL AND
SOUTHEAST ILLINOIS SATURDAY MORNING. THE SNOW MAY BECOME MIXED
WITH OR CHANGE TO FREEZING RAIN ALONG THE INTERSTATE 70 CORRIDOR.
THE MIXED PRECIPITATION WILL CHANGE BACK TO SNOW TOMORROW EVENING
WITH STORM TOTAL SNOWFALL IN THE 6 TO 8 INCH RANGE BY EARLY
SUNDAY MORNING.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE.  THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

$$

ILZ027>031-036>038-040>043-047>051-150700-
/O.CON.KILX.SN.Y.0004.071215T1200Z-071216T1200Z/
KNOX-STARK-PEORIA-MARSHALL-WOODFORD-FULTON-TAZEWELL-MCLEAN-
SCHUYLER-MASON-LOGAN-DE WITT-CASS-MENARD-SCOTT-MORGAN-SANGAMON-
INCLUDING THE CITIES OF...GALESBURG...PEORIA...BLOOMINGTON...
NORMAL...HAVANA...LINCOLN...JACKSONVILLE...SPRINGFIELD
841 PM CST FRI DEC 14 2007

...SNOW ADVISORY REMAINS IN EFFECT FROM 6 AM SATURDAY TO 6 AM CST
SUNDAY...

A SNOW ADVISORY REMAINS IN EFFECT FROM 6 AM SATURDAY TO 6 AM CST
SUNDAY. 

SNOW IS EXPECTED TO DEVELOP WEST OF INTERSTATE 55 BETWEEN 200 AM
AND 600 AM SATURDAY MORNING WITH PERIODS OF SNOW EXPECTED TO
CONTINUE TO SPREAD EAST OVER THE REMAINDER OF THE AREA DURING THE
MORNING. BY THE TIME THE STORM PULLS OFF TO OUR EAST LATE
SATURDAY NIGHT...THE TOTAL SNOW ACCUMULATION WILL RANGE FROM 3 TO
5 INCHES.

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.

$$
000 
WWUS43 KILX 150542
WSWILX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE LINCOLN IL
1142 PM CST FRI DEC 14 2007

...WINTER STORM THREATENS CENTRAL...EAST CENTRAL AND SOUTHEAST
ILLINOIS SATURDAY AND SATURDAY NIGHT...

.A STORM SYSTEM WILL PUSH OUT OF THE SOUTHERN PLAINS INTO THE
OHIO VALLEY ON SATURDAY AND BRING PERIODS OF SNOW TO CENTRAL
ILLINOIS. SOUTHEAST ILLINOIS WILL EXPERIENCE SNOW...SLEET AND
FREEZING RAIN SATURDAY BEFORE A CHANGEOVER TO SNOW SATURDAY NIGHT
WITH SIGNIFICANT ACCUMULATIONS POSSIBLE BY LATE SATURDAY NIGHT.

ILZ044>046-052>057-061>063-066>068-071>073-151000-
/O.CON.KILX.WS.W.0002.071215T1200Z-071216T1200Z/
PIATT-CHAMPAIGN-VERMILION-CHRISTIAN-MACON-MOULTRIE-DOUGLAS-COLES-
EDGAR-SHELBY-CUMBERLAND-CLARK-EFFINGHAM-JASPER-CRAWFORD-CLAY-
RICHLAND-LAWRENCE-
INCLUDING THE CITIES OF...CHAMPAIGN...URBANA...DANVILLE...
TAYLORVILLE...DECATUR...CHARLESTON...MATTOON...SHELBYVILLE...
EFFINGHAM...FLORA...LAWRENCEVILLE
1142 PM CST FRI DEC 14 2007

...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 AM SATURDAY TO
6 AM CST SUNDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 6 AM SATURDAY TO
6 AM CST SUNDAY. 

SNOW IS EXPECTED TO DEVELOP ACROSS PARTS OF EAST CENTRAL AND
SOUTHEAST ILLINOIS SATURDAY MORNING. THE SNOW MAY BECOME MIXED
WITH OR CHANGE TO FREEZING RAIN ALONG THE INTERSTATE 70 CORRIDOR.
THE MIXED PRECIPITATION WILL CHANGE BACK TO SNOW TOMORROW EVENING
WITH STORM TOTAL SNOWFALL IN THE 6 TO 8 INCH RANGE BY EARLY
SUNDAY MORNING.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE.  THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

$$

ILZ027>031-036>038-040>043-047>051-151000-
/O.CON.KILX.SN.Y.0004.071215T1200Z-071216T1200Z/
KNOX-STARK-PEORIA-MARSHALL-WOODFORD-FULTON-TAZEWELL-MCLEAN-
SCHUYLER-MASON-LOGAN-DE WITT-CASS-MENARD-SCOTT-MORGAN-SANGAMON-
INCLUDING THE CITIES OF...GALESBURG...PEORIA...BLOOMINGTON...
NORMAL...HAVANA...LINCOLN...JACKSONVILLE...SPRINGFIELD
1142 PM CST FRI DEC 14 2007

...SNOW ADVISORY REMAINS IN EFFECT FROM 6 AM SATURDAY TO 6 AM CST
SUNDAY...

A SNOW ADVISORY REMAINS IN EFFECT FROM 6 AM SATURDAY TO 6 AM CST
SUNDAY. 

SNOW IS EXPECTED TO DEVELOP WEST OF INTERSTATE 55 BETWEEN 200 AM
AND 600 AM SATURDAY MORNING WITH PERIODS OF SNOW EXPECTED TO
CONTINUE TO SPREAD EAST OVER THE REMAINDER OF THE AREA DURING THE
MORNING. BY THE TIME THE STORM PULLS OFF TO OUR EAST LATE
SATURDAY NIGHT...THE TOTAL SNOW ACCUMULATION WILL RANGE FROM 3 TO
5 INCHES.

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.

$$
000 
WWUS43 KILX 151038
WSWILX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE LINCOLN IL
438 AM CST SAT DEC 15 2007

...WINTER STORM THREATENS CENTRAL...EAST CENTRAL AND SOUTHEAST
ILLINOIS IN TWO PHASES TODAY AND TONIGHT...

.A STORM SYSTEM WILL PUSH OUT OF THE SOUTHERN PLAINS INTO THE
OHIO VALLEY ON SATURDAY...BRINGING PERIODS OF SNOW TO CENTRAL
ILLINOIS. SOUTHEAST ILLINOIS WILL EXPERIENCE SNOW...SLEET AND
FREEZING RAIN SATURDAY BEFORE A CHANGEOVER TO SNOW SATURDAY NIGHT
WITH SIGNIFICANT ACCUMULATIONS POSSIBLE BY SUNDAY MORNING.

ILZ044>046-052>057-061>063-066>068-071>073-151500-
/O.CON.KILX.WS.W.0002.071215T1200Z-071216T1200Z/
PIATT-CHAMPAIGN-VERMILION-CHRISTIAN-MACON-MOULTRIE-DOUGLAS-COLES-
EDGAR-SHELBY-CUMBERLAND-CLARK-EFFINGHAM-JASPER-CRAWFORD-CLAY-
RICHLAND-LAWRENCE-
INCLUDING THE CITIES OF...CHAMPAIGN...URBANA...DANVILLE...
TAYLORVILLE...DECATUR...CHARLESTON...MATTOON...SHELBYVILLE...
EFFINGHAM...FLORA...LAWRENCEVILLE
438 AM CST SAT DEC 15 2007

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM CST SUNDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM CST SUNDAY. 

SNOW IS RAPIDLY OVERSPREADING THE AREA THIS MORNING. THE SNOW MAY
BECOME MIXED WITH OR CHANGE TO SLEET ALONG AND SOUTH OF THE I-70
CORRIDOR BY LATE MORNING.

SNOW WILL TAPER OFF TO FLURRIES AND FREEZING DRIZZLE FOR A BRIEF
PERIOD THIS AFTERNOON... BEFORE ANOTHER ROUND OF SNOW MOVES IN BY
EVENING. PERIODS OF HEAVY SNOW WILL BE POSSIBLE ACROSS PARTS OF
EAST CENTRAL ILLINOIS LATE TONIGHT... BEFORE TAPERING OFF BY
SUNDAY MORNING.  STORM TOTAL SNOWFALL WILL BE IN THE 6 TO 8 INCH
RANGE BY EARLY SUNDAY MORNING... WITH LOCALLY HIGHER AMOUNTS
POSSIBLE ALONG AND EAST OF THE I-57 CORRIDOR.

BLOWING AND DRIFTING SNOW MAY CONTINUE TO BE A PROBLEM THROUGH THE
DAY ON SUNDAY.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE.  THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

$$

ILZ027>031-036>038-040>043-047>051-151500-
/O.CON.KILX.SN.Y.0004.071215T1200Z-071216T1200Z/
KNOX-STARK-PEORIA-MARSHALL-WOODFORD-FULTON-TAZEWELL-MCLEAN-
SCHUYLER-MASON-LOGAN-DE WITT-CASS-MENARD-SCOTT-MORGAN-SANGAMON-
INCLUDING THE CITIES OF...GALESBURG...PEORIA...BLOOMINGTON...
NORMAL...HAVANA...LINCOLN...JACKSONVILLE...SPRINGFIELD
438 AM CST SAT DEC 15 2007

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

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

LIGHT TO MODERATE SNOW HAS MOVED INTO THE AREA OVERNIGHT. SNOWFALL
AMOUNTS THROUGH MIDDAY ARE EXPECTED TO RANGE FROM 1 TO 3 INCHES...
HIGHEST ALONG THE I-72 CORRIDOR.   

SNOW WILL TAPER OFF TO FLURRIES... WITH AREAS OF LIGHT FREEZING
DRIZZLE... BY THIS AFTERNOON. HOWEVER... ANOTHER ROUND OF SNOW
WILL MOVE INTO WEST CENTRAL ILLINOIS BY LATE AFTERNOON... MOVING
INTO THE I-55 CORRIDOR BY EVENING. BY THE TIME THE STORM PULLS
OFF TO THE EAST LATE SATURDAY NIGHT...THE TOTAL SNOW ACCUMULATION
WILL RANGE FROM 3 TO 6 INCHES.

SHOULD THE STORM SYSTEM TRACK A LITTLE CLOSER TO CENTRAL
ILLINOIS... LOCALLY HIGHER SNOWFALL AMOUNTS MAY OCCUR ALONG THE
I-55 CORRIDOR LATE TONIGHT. STAY TUNED FOR FURTHER UPDATES ON THE
PROGRESS OF THIS WINTER WEATHER EVENT.

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

$$

HARDIMAN
000 
WWUS43 KILX 151455
WSWILX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE LINCOLN IL
855 AM CST SAT DEC 15 2007

...WINTER STORM THREATENS CENTRAL...EAST CENTRAL AND SOUTHEAST
ILLINOIS IN TWO PHASES TODAY AND TONIGHT...

.A STORM SYSTEM WILL PUSH OUT OF THE SOUTHERN PLAINS INTO THE
OHIO VALLEY ON SATURDAY...BRINGING PERIODS OF SNOW TO CENTRAL
ILLINOIS. SOUTHEAST ILLINOIS WILL EXPERIENCE SNOW...SLEET AND
FREEZING RAIN SATURDAY BEFORE A CHANGEOVER TO SNOW SATURDAY NIGHT
WITH SIGNIFICANT ACCUMULATIONS POSSIBLE BY SUNDAY MORNING.

ILZ044>046-052>057-061>063-066>068-071>073-151900-
/O.CON.KILX.WS.W.0002.000000T0000Z-071216T1200Z/
PIATT-CHAMPAIGN-VERMILION-CHRISTIAN-MACON-MOULTRIE-DOUGLAS-COLES-
EDGAR-SHELBY-CUMBERLAND-CLARK-EFFINGHAM-JASPER-CRAWFORD-CLAY-
RICHLAND-LAWRENCE-
INCLUDING THE CITIES OF...CHAMPAIGN...URBANA...DANVILLE...
TAYLORVILLE...DECATUR...CHARLESTON...MATTOON...SHELBYVILLE...
EFFINGHAM...FLORA...LAWRENCEVILLE
855 AM CST SAT DEC 15 2007

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM CST SUNDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM CST SUNDAY. 

SNOW IS RAPIDLY OVERSPREADING THE AREA THIS MORNING. THE SNOW MAY
BECOME MIXED WITH OR CHANGE TO SLEET ALONG AND SOUTH OF THE I-
70 CORRIDOR BY LATE MORNING.

SNOW WILL TAPER OFF TO FLURRIES AND FREEZING DRIZZLE FOR A BRIEF
PERIOD THIS AFTERNOON... BEFORE ANOTHER ROUND OF SNOW MOVES IN BY
EVENING. PERIODS OF HEAVY SNOW WILL BE POSSIBLE ACROSS PARTS OF
EAST CENTRAL ILLINOIS LATE TONIGHT... BEFORE TAPERING OFF BY
SUNDAY MORNING.  STORM TOTAL SNOWFALL WILL BE IN THE 6 TO 8 INCH
RANGE BY EARLY SUNDAY MORNING... WITH LOCALLY HIGHER AMOUNTS
POSSIBLE ALONG AND EAST OF THE I-57 CORRIDOR.

BLOWING AND DRIFTING SNOW MAY CONTINUE TO BE A PROBLEM THROUGH
THE DAY ON SUNDAY.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE.  THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

$$

ILZ027>031-036>038-040>043-047>051-151900-
/O.CON.KILX.SN.Y.0004.000000T0000Z-071216T1200Z/
KNOX-STARK-PEORIA-MARSHALL-WOODFORD-FULTON-TAZEWELL-MCLEAN-
SCHUYLER-MASON-LOGAN-DE WITT-CASS-MENARD-SCOTT-MORGAN-SANGAMON-
INCLUDING THE CITIES OF...GALESBURG...PEORIA...BLOOMINGTON...
NORMAL...HAVANA...LINCOLN...JACKSONVILLE...SPRINGFIELD
855 AM CST SAT DEC 15 2007

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

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

LIGHT TO MODERATE SNOW HAS MOVED INTO THE AREA OVERNIGHT.
SNOWFALL AMOUNTS THROUGH MIDDAY ARE EXPECTED TO RANGE FROM 1 TO
3 INCHES... HIGHEST ALONG THE I-72 CORRIDOR.

SNOW WILL TAPER OFF TO FLURRIES... WITH AREAS OF LIGHT FREEZING
DRIZZLE... BY THIS AFTERNOON. HOWEVER... ANOTHER ROUND OF SNOW
WILL MOVE INTO WEST CENTRAL ILLINOIS BY LATE AFTERNOON... MOVING
INTO THE I-55 CORRIDOR BY EVENING. BY THE TIME THE STORM PULLS
OFF TO THE EAST LATE SATURDAY NIGHT...THE TOTAL SNOW ACCUMULATION
WILL RANGE FROM 3 TO 6 INCHES.

SHOULD THE STORM SYSTEM TRACK A LITTLE CLOSER TO CENTRAL
ILLINOIS... LOCALLY HIGHER SNOWFALL AMOUNTS MAY OCCUR ALONG THE I-
55 CORRIDOR LATE TONIGHT. STAY TUNED FOR FURTHER UPDATES ON THE
PROGRESS OF THIS WINTER WEATHER EVENT.

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

$$
000 
WWUS43 KILX 151848
WSWILX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE LINCOLN IL
1248 PM CST SAT DEC 15 2007

...WINTER STORM THREATENS CENTRAL...EAST CENTRAL AND SOUTHEAST
ILLINOIS IN TWO PHASES TODAY AND TONIGHT...

.A STORM SYSTEM WILL PUSH OUT OF THE SOUTHERN PLAINS INTO THE
OHIO VALLEY ON SATURDAY...BRINGING PERIODS OF SNOW TO CENTRAL
ILLINOIS. SOUTHEAST ILLINOIS WILL EXPERIENCE SNOW...SLEET AND
FREEZING RAIN SATURDAY BEFORE A CHANGEOVER TO SNOW SATURDAY NIGHT
WITH SIGNIFICANT ACCUMULATIONS POSSIBLE BY SUNDAY MORNING.

ILZ044>046-052>057-061>063-066>068-071>073-152130-
/O.CON.KILX.WS.W.0002.000000T0000Z-071216T1200Z/
PIATT-CHAMPAIGN-VERMILION-CHRISTIAN-MACON-MOULTRIE-DOUGLAS-COLES-
EDGAR-SHELBY-CUMBERLAND-CLARK-EFFINGHAM-JASPER-CRAWFORD-CLAY-
RICHLAND-LAWRENCE-
INCLUDING THE CITIES OF...CHAMPAIGN...URBANA...DANVILLE...
TAYLORVILLE...DECATUR...CHARLESTON...MATTOON...SHELBYVILLE...
EFFINGHAM...FLORA...LAWRENCEVILLE
1248 PM CST SAT DEC 15 2007

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM CST SUNDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM CST SUNDAY. 

SNOW SHOWERS CONTINUE ACROSS THE AREA. THE SNOW MAY BE MIXED WITH
OR CHANGE TO SLEET ALONG AND SOUTH OF THE I- 70 CORRIDOR.

SNOW WILL TAPER OFF TO FLURRIES AND FREEZING DRIZZLE FOR A BRIEF
PERIOD THIS AFTERNOON... BEFORE ANOTHER ROUND OF SNOW MOVES IN BY
EVENING. PERIODS OF HEAVY SNOW WILL BE POSSIBLE ACROSS PARTS OF
EAST CENTRAL ILLINOIS LATE TONIGHT... BEFORE TAPERING OFF BY
SUNDAY MORNING.  STORM TOTAL SNOWFALL WILL BE IN THE 6 TO 8 INCH
RANGE BY EARLY SUNDAY MORNING... WITH LOCALLY HIGHER AMOUNTS
POSSIBLE ALONG AND EAST OF THE I-57 CORRIDOR.

BLOWING AND DRIFTING SNOW MAY CONTINUE TO BE A PROBLEM THROUGH
THE DAY ON SUNDAY.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE.  THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

$$

ILZ027>031-036>038-040>043-047>051-152130-
/O.CON.KILX.SN.Y.0004.000000T0000Z-071216T1200Z/
KNOX-STARK-PEORIA-MARSHALL-WOODFORD-FULTON-TAZEWELL-MCLEAN-
SCHUYLER-MASON-LOGAN-DE WITT-CASS-MENARD-SCOTT-MORGAN-SANGAMON-
INCLUDING THE CITIES OF...GALESBURG...PEORIA...BLOOMINGTON...
NORMAL...HAVANA...LINCOLN...JACKSONVILLE...SPRINGFIELD
1248 PM CST SAT DEC 15 2007

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

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

LIGHT TO MODERATE SNOW HAS MOVED INTO THE AREA OVERNIGHT.
SNOWFALL AMOUNTS THROUGH MIDDAY ARE EXPECTED TO RANGE FROM 1 TO
3 INCHES... HIGHEST ALONG THE I-72 CORRIDOR.

SNOW WILL TAPER OFF TO FLURRIES... WITH AREAS OF LIGHT FREEZING
DRIZZLE... BY THIS AFTERNOON. HOWEVER... ANOTHER ROUND OF SNOW
WILL MOVE INTO WEST CENTRAL ILLINOIS BY LATE AFTERNOON... MOVING
INTO THE I-55 CORRIDOR BY EVENING. BY THE TIME THE STORM PULLS
OFF TO THE EAST LATE SATURDAY NIGHT...THE TOTAL SNOW ACCUMULATION
WILL RANGE FROM 3 TO 6 INCHES.

SHOULD THE STORM SYSTEM TRACK A LITTLE CLOSER TO CENTRAL
ILLINOIS... LOCALLY HIGHER SNOWFALL AMOUNTS MAY OCCUR ALONG THE I-
 55 CORRIDOR LATE TONIGHT. STAY TUNED FOR FURTHER UPDATES ON THE
PROGRESS OF THIS WINTER WEATHER EVENT.

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

$$
000 
WWUS43 KILX 152139
WSWILX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE LINCOLN IL
339 PM CST SAT DEC 15 2007

...WINTER STORM THREATENS CENTRAL...EAST CENTRAL AND SOUTHEAST
ILLINOIS IN TWO PHASES TODAY AND TONIGHT...

.A STORM SYSTEM WILL PUSH OUT OF THE SOUTHERN PLAINS INTO THE
OHIO VALLEY ON SATURDAY...BRINGING PERIODS OF SNOW TO CENTRAL
ILLINOIS. SOUTHEAST ILLINOIS WILL EXPERIENCE SNOW...SLEET AND
FREEZING RAIN SATURDAY BEFORE A CHANGEOVER TO SNOW SATURDAY NIGHT
WITH SIGNIFICANT ACCUMULATIONS POSSIBLE BY SUNDAY MORNING.
SIGNIFICANT ACCUMULATIONS AS WELL AS BRISK WINDS WILL CAUSE
VISIBILITY AND DRIFTING PROBLEMS ACROSS THE CENTRAL PORTION OF THE STATE.

ILZ027-028-160200-
/O.CAN.KILX.SN.Y.0004.000000T0000Z-071216T1200Z/
/O.NEW.KILX.SB.Y.0002.071215T2139Z-071216T1500Z/
KNOX-STARK-
INCLUDING THE CITY OF...GALESBURG
339 PM CST SAT DEC 15 2007

...SNOW AND BLOWING SNOW ADVISORY IN EFFECT UNTIL 9 AM CST
SUNDAY...
...SNOW ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A SNOW AND
BLOWING SNOW ADVISORY...WHICH IS IN EFFECT UNTIL 9 AM CST SUNDAY.
THE SNOW ADVISORY HAS BEEN CANCELED. 

LIGHT TO MODERATE SNOW HAS MOVED INTO THE AREA TODAY. SNOWFALL
AMOUNTS THROUGH THE AFTERNOON ARE EXPECTED TO RANGE FROM 1 TO 3
INCHES. STORM TOTALS THROUGH SUNDAY WILL RANGE FROM 4 TO 6
INCHES...THOUGH MEASURING IN ANY ONE LOCATION WILL BE DIFFICULT.

SNOW WILL SLOWLY INCREASE IN INTENSITY THROUGH THE AFTERNOON AND
EARLY EVENING HOURS. ANOTHER ROUND OF SNOW WILL MOVE INTO WEST
CENTRAL ILLINOIS BY EARLY EVENING... MOVING INTO THE I-55
CORRIDOR BY EVENING. BY THE TIME THE STORM PULLS OFF TO THE EAST
LATE SATURDAY NIGHT...THE TOTAL SNOW ACCUMULATION WILL RANGE FROM
3 TO 6 INCHES.

INCREASING WINDS THIS EVENING WILL CONTRIBUTE TO THE TREACHEROUS
CONDITIONS. EVEN AS THE SNOW STARTS TO TAPER OFF AFTER
MIDNIGHT...THE WINDS WILL INCREASE THROUGH THE MORNING HOURS.
WINDS WILL BE SUSTAINED AT 15 TO 25 MPH...GUSTING TO 35 MPH AT
TIMES...CAUSING THE SNOW IN OPEN AREAS TO DRIFT...MAKING SNOW
CLEARING OPERATIONS A BIT TRICKY.  STAY TUNED FOR FURTHER UPDATES
ON THE PROGRESS OF THIS WINTER WEATHER EVENT.

A SNOW AND BLOWING SNOW ADVISORY MEANS THAT VISIBILITIES WILL BE
LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE
CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS.

$$

ILZ029>031-036>038-040>043-047>051-160200-
/O.UPG.KILX.SN.Y.0004.000000T0000Z-071216T1200Z/
/O.EXB.KILX.WS.W.0002.000000T0000Z-071216T1500Z/
PEORIA-MARSHALL-WOODFORD-FULTON-TAZEWELL-MCLEAN-SCHUYLER-MASON-
LOGAN-DE WITT-CASS-MENARD-SCOTT-MORGAN-SANGAMON-
INCLUDING THE CITIES OF...PEORIA...BLOOMINGTON...NORMAL...
HAVANA...LINCOLN...JACKSONVILLE...SPRINGFIELD
339 PM CST SAT DEC 15 2007

...WINTER STORM WARNING IN EFFECT UNTIL 9 AM CST SUNDAY...

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A WINTER STORM
WARNING...WHICH IS IN EFFECT UNTIL 9 AM CST SUNDAY. THE SNOW
ADVISORY IS NO LONGER IN EFFECT. 

LIGHT TO MODERATE SNOW HAS CONTINUED THROUGH THE AREA THIS
AFTERNOON. A RAPIDLY DEVELOPING SURFACE SYSTEM IS PUSHING INTO THE
REGION FROM THE SOUTHWEST. THROUGH THE AFTERNOON...2 TO 3 INCHES
OF SNOW FELL ACROSS THE CENTRAL PORTIONS OF THE STATE. ADDITIONAL
SNOW IS ON THE WAY...AND MIXING WITH A BRISK WIND IN THE OVERNIGHT
HOURS WILL MAKE TRAVEL DIFFICULT ACROSS THE CENTRAL PORTIONS OF
THE STATE.

SNOW SHOWERS WILL CONTINUE THIS AFTERNOON AND CONTINUE TO BECOME
MORE WIDESPREAD THROUGH THE REGION...MOVING INTO THE I-55
CORRIDOR BY EVENING. BY THE TIME THE STORM PULLS OFF TO THE EAST
LATE SATURDAY NIGHT...THE TOTAL SNOW ACCUMULATION WILL RANGE FROM
6 TO 8 INCHES...WITH LOCALLY HIGHER AMOUNTS.

INCREASING WINDS THIS EVENING WILL CONTRIBUTE TO THE TREACHEROUS
CONDITIONS. EVEN AS THE SNOW STARTS TO TAPER OFF AFTER
MIDNIGHT...THE WINDS WILL INCREASE THROUGH THE MORNING HOURS.
WINDS WILL BE SUSTAINED AT 15 TO 25 MPH...GUSTING TO 35 MPH AT
TIMES...CAUSING THE SNOW IN OPEN AREAS TO DRIFT...MAKING SNOW
CLEARING OPERATIONS A BIT TRICKY.  STAY TUNED FOR FURTHER UPDATES
ON THE PROGRESS OF THIS WINTER WEATHER EVENT.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
LIKELY. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

$$

ILZ044>046-052>057-061>063-066>068-071>073-160200-
/O.EXT.KILX.WS.W.0002.000000T0000Z-071216T1800Z/
PIATT-CHAMPAIGN-VERMILION-CHRISTIAN-MACON-MOULTRIE-DOUGLAS-COLES-
EDGAR-SHELBY-CUMBERLAND-CLARK-EFFINGHAM-JASPER-CRAWFORD-CLAY-
RICHLAND-LAWRENCE-
INCLUDING THE CITIES OF...CHAMPAIGN...URBANA...DANVILLE...
TAYLORVILLE...DECATUR...CHARLESTON...MATTOON...SHELBYVILLE...
EFFINGHAM...FLORA...LAWRENCEVILLE
339 PM CST SAT DEC 15 2007

...WINTER STORM WARNING NOW IN EFFECT UNTIL 12 PM CST SUNDAY...

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A WINTER STORM
WARNING...WHICH IS IN EFFECT UNTIL 9 AM CST SUNDAY. THE SNOW
ADVISORY IS NO LONGER IN EFFECT. 

LIGHT TO MODERATE SNOW HAS CONTINUED THROUGH THE AREA THIS
AFTERNOON. A RAPIDLY DEVELOPING SURFACE SYSTEM IS PUSHING INTO THE
REGION FROM THE SOUTHWEST. THROUGH THE AFTERNOON...2 TO 3 INCHES
OF SNOW FELL ACROSS THE CENTRAL PORTIONS OF THE STATE. ADDITIONAL
SNOW IS ON THE WAY...AND MIXING WITH A BRISK WIND IN THE OVERNIGHT
HOURS WILL MAKE TRAVEL DIFFICULT ACROSS THE CENTRAL PORTIONS OF
THE STATE.

SNOW SHOWERS WILL CONTINUE THIS AFTERNOON AND CONTINUE TO BECOME
MORE WIDESPREAD THROUGH THE REGION...MOVING INTO THE I-55
CORRIDOR BY EVENING. BY THE TIME THE STORM PULLS OFF TO THE EAST
LATE SATURDAY NIGHT...THE TOTAL SNOW ACCUMULATION NORTH OF
INTERSTATE 70 WILL RANGE FROM 6 TO 8 INCHES.

AREAS ALONG AND SOUTH OF INTERSTATE 70 WILL HAVE SIGNIFICANTLY
LESS SNOW...FROM 3 TO 5 INCHES TOTAL...BUT WILL HAVE THE
ADDITIONAL THREAT OF A WINTRY MIX OF PRECIPITATION.
SLEET...FREEZING RAIN...RAIN...AND SNOW WILL MIX AND MAKE A VERY
SLUSHY COMBINATION ALONG ALREADY WET SURFACES FROM TODAYS RAIN AND
SNOW. USE GREAT CAUTION ALONG THE INTERSTATE AS WELL AS LESS
TRAVELED ROADS.

INCREASING WINDS THIS EVENING WILL CONTRIBUTE TO THE TREACHEROUS
CONDITIONS. EVEN AS THE SNOW STARTS TO TAPER OFF AFTER
MIDNIGHT...THE WINDS WILL INCREASE THROUGH THE MORNING HOURS.
WINDS WILL BE SUSTAINED AT 15 TO 25 MPH...GUSTING TO 35 MPH AT
TIMES...CAUSING THE SNOW IN OPEN AREAS TO DRIFT...MAKING SNOW
CLEARING OPERATIONS A BIT TRICKY. STAY TUNED FOR FURTHER UPDATES
ON THE PROGRESS OF THIS WINTER WEATHER EVENT.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE LIKELY. 
 THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

$$

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 14, 2:36 PM CST, 49 minutes earlier.

Area forecast discussion, Dec 14, 2:36 PM CST, 49 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LINCOLN IL
236 PM CST FRI DEC 14 2007

.DISCUSSION...
ISSUED 230 PM CST FRI DEC 14 2007

MAIN WEATHER STORY WILL BE WITH THE APPROACHING STORM SATURDAY AND
ITS AFFECTS ON CENTRAL AND SOUTHEAST ILLINOIS. AFTER THAT...WITH A
SNOW COVER...TEMPERATURES WILL BE THE MAIN FORECAST CONCERN ALONG
WITH TIMING AND MAGNITUDE OF THE NEXT WX SYSTEM LATE IN THE PERIOD.
MODELS CONTINUE WITH A SLOWING TREND WITH THE UPPER LEVEL FEATURE
NOW OVER THE 4 CORNERS REGION. AS A RESULT...IT APPEARS THE UPPER
LEVEL SYSTEM WILL HAVE A CHANCE TO CLOSE OFF AT H5 RESULTING IN
A MUCH BETTER DEFINED DEFORMATION ZONE ACRS OUR AREA LATE SATUDAY
INTO EARLY SUNDAY...LEADING TO ADDITIONAL SNOWFALL. WL USE A BLEND
OF THE GFS AND NAM AT THIS POINT.

SHORT TERM...TONIGHT THROUGH MONDAY NIGHT
QUIET WEATHER PATTERN TO COME TO AN END LATE TNT AS THE WARM
ADVECTION PATTERN OUT AHEAD OF THE MAJOR SHORTWAVE TO OUR
SOUTHWEST PRODUCES AN INCREASING AREA OF SNOW WHICH WILL PUSH INTO
THE SOUTHWEST AFTR 06Z AND OVER THE REMAINDER OF THE FCST AREAS BY
15Z SATURDAY. IT APPEARS THERE WILL BE TWO WAVES OF SNOW ACRS THE
FCST AREA ON SATURDAY...THE FIRST WITH THE WARM ADVECTION/STRONG ISENT
ASCENT AND INCRG PVA PATTERN IN THE MORNING AND THEN WITH THE
DEVELOPING DEFORMATION ZONE SATURDAY EVENING. FORECAST SOUNDINGS
POINTING TO ALL SNOW ACRS MOST OF THE AREA EXCEPT ALONG THE I-70
CORRIDOR WHERE MODELS SUGGEST WE LOOSE ICE CRYSTAL FORMATION BY
MID MORNING LEADING TO A PERIOD OF FREEZING DRIZZLE OR SLEET.
BUFKIT TIME HEIGHT CROSS SUGGESTING 2 TIME FRAMES WHERE THE DEEP
LAYERED OMEGA/LIFT COINCIDES WITH THE DEEPER MOISTURE...SATURDAY
MORNING AND AGAIN AFTR 00Z SUNDAY. THIS IS WHERE WE WILL PICK UP
OUR MOST SIGNIFICANT ACCUMULATIONS...ADVSY CRITERIA (3 TO 5
INCHES) ROUGHLY ALONG AND NW OF INTERSTATE 55...AND WARNING
CRITERIA...WITH THE POTENTIAL FOR 6 TO 8 INCHES TO THE SOUTH BY
EARLY SUNDAY MORNING. BEST QG FORCING ON THE NAM ASSOCIATED WITH
THE DEFORMATION ZONE SATURDAY NIGHT INTO EARLY SUNDAY...ACCOMPANIED
BY INCREASING NORTH WINDS AS THE UPPER LEVEL SYSTEM BECOMES
NEGATIVELY TILTED AND THE SFC SYSTEM DEEPENS. GFS TRENDING WITH
THE SLOWER SOLUTION ALTHOUGH IT HOLDS OFF CLOSING OFF THE UPPER
LOW UNTIL IT IS EAST OF OUR AREA LATE SATURDAY INTO SUNDAY.

AS THE LOW PULLS AWAY ON SUNDAY...WINDS WILL DIMINISH DURING THE
MORNING HOURS WITH ANY LINGERING SNOW CHANCES ENDING ACRS THE FAR
EAST AND SOUTH EARLY. HIGH PRESSURE WILL PUSH IN AND WITH THE NEW
SNOW COVER...TEMPS WILL BE AOB GUID VALUES INTO MONDAY DESPITE THE
MODELS SHOWING SOME DECENT WARM ADVECTION OCCURRING LATER MONDAY
AND MONDAY NIGHT AHEAD OF THE NEXT SYSTEM WHICH IS SLATTED TO
TRACK TO OUR NORTH A CLIPPER SYSTEM ON TUESDAY.

LONG TERM...TUESDAY THROUGH FRIDAY
FAIRLY QUICK MOVING SYSTEM WILL PUSH ACRS THE LAKES REGION ON
TUESDAY WITH LITTLE IN THE WAY OF RETURN FLOW AHEAD OF THE FEATURE
SO FOR NOW WL LEAVE TUE DRY. TEMPS WARMING TO ABOVE NORMAL LEVELS
FOR THE REMAINDER OF THE PERIOD...BUT STILL AVERAGING SVL DEGREES
BELOW MOS GUID DUE TO THE EXPECTED SNOW...ESPECIALLY DURING THE
EARLY PORTION OF THE PERIOD. NEXT SIG WAVE TO APPROACH THE MIDWEST
LATE WEDNESDAY NIGHT AND HAVE USED MORE OF THE ECMWF SOLUTION
WITH THIS FEATURE. STRONGER DYNAMICS SUGGEST ADDING SOME POPS FOR
THE WED NIGHT THRU THU NIGHT TIME FRAME WITH SYSTEM CLEARING OUR
AREA BY FRIDAY AS UPPER LEVEL RIDGING BUILDS INTO THE MIDWEST.

SMITH/AUTEN
&&

.AVIATION...
ISSUED 1205 AM CST FRI DEC 14 2007

VFR CONDITIONS WILL CONTINUE THROUGH THE REST OF TODAY AND INTO
TONIGHT...WITH HIGH THEN MID CLOUDS OVER ALL THE TAF SITES TIL
AFTER MIDNIGHT. SOME LOWER CLOUDS OVER LAKE MICH COULD ADVECT
SOUTHWESTWARD DURING THE EVENING AND AFFECT PIA...BMI AND
CMI...BUT DO NOT EXPECT IT TO BECOME BROKEN...SO JUST WENT WITH
SCT020 FOR NOW. SNOWFALL WILL BEGIN AFTER 09-10Z AT ALL SITES AND
HAVE STARTED THIS WITH A TEMPO GROUP. CIGS AND VIS WILL ALSO DROP
AS THE SNOW STARTS. THEN APPEARS SNOW WILL START IN ERNEST AROUND
12Z AND EXPECT CIGS AND VIS TO DROP TO IFR AND LIFR CATEGORIES
THROUGH THE REMAINDER OF THE TAF TIME.

AUTEN
&&

.ILX WATCHES/WARNINGS/ADVISORIES...WINTER STORM WARNING FROM 12Z
SAT TIL 12Z SUN FOR ILZ044>046-052>057-061>063-066>068-071>073
SNOW ADVISORY FROM 12Z SAT TO 12Z SUN ILZ027>031-036>038-040>043-047>051.

&&
Hazardous weather outlook, Dec 14, 3:17 PM CST, 8 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LINCOLN IL
317 PM CST FRI DEC 14 2007

ILZ062-063-066>068-071>073-151200-
CLARK-CLAY-CRAWFORD-CUMBERLAND-EFFINGHAM-JASPER-LAWRENCE-RICHLAND-
317 PM CST FRI DEC 14 2007

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

.DAY ONE...TONIGHT

LIGHT SNOW WILL BEGIN ACROSS THE AREA LATE TONIGHT AS A WINTER
STORM SYSTEM MOVES ACROSS THE SOUTHERN UNITED STATES.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

THE WINTER STORM WILL CONTINUE TO MOVE ACROSS THE SOUTHERN UNITED
STATES AND WILL SPREAD WINTRY PRECIPITATION INTO EAST CENTRAL AND
SOUTHEAST ILLINOIS SATURDAY AND SATURDAY NIGHT. SNOW ACCUMULATIONS OF
6 TO 8 INCHES ARE CURRENTLY EXPECTED BEFORE THE SNOW ENDS SUNDAY
MORNING. THERE MAY ALSO BE A PERIOD OF SLEET AND FREEZING RAIN
MIXING WITH THE LIGHT SNOW SATURDAY AFTERNOON...CAUSING MINOR ICE
ACCUMULATIONS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED THROUGH TONIGHT.

ILZ044>046-052>057-061-151200-
CHAMPAIGN-CHRISTIAN-COLES-DOUGLAS-EDGAR-MACON-MOULTRIE-PIATT-
SHELBY-VERMILION-
317 PM CST FRI DEC 14 2007

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

.DAY ONE...TONIGHT

LIGHT SNOW WILL BEGIN ACROSS THE AREA LATE TONIGHT AS A WINTER
STORM SYSTEM MOVES ACROSS THE SOUTHERN UNITED STATES.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

THE WINTER STORM WILL CONTINUE TO MOVE ACROSS THE SOUTHERN UNITED
STATES AND WILL SPREAD SNOW INTO CENTRAL AND EAST CENTRAL ILLINOIS
SATURDAY AND SATURDAY NIGHT. SNOW ACCUMULATIONS OF 6 TO 8 INCHES
ARE CURRENTLY EXPECTED BEFORE THE SNOW ENDS SUNDAY MORNING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED THROUGH TONIGHT.

ILZ027>031-036>038-040>043-047>051-151200-
CASS-DE WITT-FULTON-KNOX-LOGAN-MARSHALL-MASON-MCLEAN-MENARD-
MORGAN-PEORIA-SANGAMON-SCHUYLER-SCOTT-STARK-TAZEWELL-WOODFORD-
317 PM CST FRI DEC 14 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL
ILLINOIS.

.DAY ONE...TONIGHT

LIGHT SNOW WILL BEGIN ACROSS THE AREA LATE TONIGHT AS A WINTER
STORM SYSTEM MOVES ACROSS THE SOUTHERN UNITED STATES.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

THE WINTER STORM WILL CONTINUE TO MOVE ACROSS THE SOUTHERN UNITED
STATES AND WILL SPREAD SNOW INTO CENTRAL ILLINOIS SATURDAY AND
SATURDAY NIGHT. SNOW ACCUMULATIONS OF 3 TO 5 INCHES ARE CURRENTLY
EXPECTED BEFORE THE SNOW ENDS SUNDAY MORNING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED THROUGH TONIGHT.

AUTEN

In the hours before

Special weather statement, Dec 14, 11:58 AM CST, 3 hours 27 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
1158 AM CST FRI DEC 14 2007

ILZ027>031-036>038-040>057-061>063-066>068-071>073-142100-
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-EFFINGHAM-JASPER-CRAWFORD-
CLAY-RICHLAND-LAWRENCE-
INCLUDING THE CITIES OF...GALESBURG...PEORIA...BLOOMINGTON...
NORMAL...HAVANA...LINCOLN...CHAMPAIGN...URBANA...DANVILLE...
JACKSONVILLE...SPRINGFIELD...TAYLORVILLE...DECATUR...CHARLESTON...
MATTOON...SHELBYVILLE...EFFINGHAM...FLORA...LAWRENCEVILLE
1158 AM CST FRI DEC 14 2007

...WINTER STORM EXPECTED TO AFFECT PORTIONS OF CENTRAL AND
SOUTHEAST ILLINOIS THIS WEEKEND...

A DEVELOPING WINTER STORM ACROSS THE SOUTHERN ROCKIES THIS
AFTERNOON WILL PUSH EAST ACROSS THE SOUTHERN UNITED STATES...AND
IS EXPECTED TO BE CENTERED ACROSS TENNESSEE BY SATURDAY EVENING.
WINTRY WEATHER WILL EXTEND WELL NORTH FROM THE TRACK OF THIS
SYSTEM...AND WILL BEGIN TO AFFECT CENTRAL AND SOUTHEAST ILLINOIS
LATE TONIGHT. THIS IS EXPECTED TO CONTINUE THROUGH SATURDAY EVENING.

CURRENT PROJECTIONS INDICATE THAT THE HEAVIEST SNOWFALL FROM THIS
SYSTEM IS EXPECTED TO BE SOUTH OF I-72. FIVE TO 7 INCHES OF SNOW
WILL BE POSSIBLE...ESPECIALLY FROM AROUND MATTOON AND CHARLESTON
SOUTHWARD INTO SOUTHEAST ILLINOIS...WHERE THERE WILL ALSO BE
SLEET AND FREEZING RAIN FOR A TIME LATE SATURDAY MORNING AND EARLY
AFTERNOON. AREAS CLOSER TO THE I-72 CORRIDOR ARE EXPECTED TO
RECEIVE 2 TO 4 INCHES OF SNOW. NORTHWEST OF THE ILLINOIS
RIVER...AMOUNTS OF 2 INCHES OR LESS ARE CURRENTLY EXPECTED.

SLIGHT CHANGES IN EXPECTED STORM TRACKS CAN RESULT IN SIGNIFICANT
CHANGES IN AMOUNTS AND LOCATIONS OF HEAVY SNOWFALL. LISTEN TO NOAA
WEATHER RADIO OR YOUR LOCAL MEDIA FOR THE LATER UPDATES ON THIS
SITUATION.

GEELHART

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 14, 3:25 PM CSTWinter Storm WarningILXCass, Champaign, Christian, Clark, Clay, Coles and 27 more39 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.