Wind Chill Warning 2, NWS Chicago, IL

000 
WWUS43 KLOT 300506
WSWLOT

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1106 PM CST TUE JAN 29 2008

...DANGEROUS WINTER STORM WINDING DOWN ACROSS NORTHEAST ILLINOIS
AND NORTHWEST INDIANA...

ILZ012-020-021-023-032-033-039-INZ019-301315-
/O.CAN.KLOT.WS.W.0001.000000T0000Z-080130T1500Z/
/O.EXA.KLOT.WC.Y.0004.000000T0000Z-080130T1800Z/
KANE-KENDALL-GRUNDY-KANKAKEE-LIVINGSTON-IROQUOIS-FORD-BENTON-
INCLUDING THE CITIES OF...AURORA...OSWEGO...MORRIS...KANKAKEE...
PONTIAC...WATSEKA...PAXTON...FOWLER
1106 PM CST TUE JAN 29 2008 /1206 AM EST WED JAN 30 2008/

...WIND CHILL ADVISORY IN EFFECT UNTIL 12 PM CST /1 PM EST/
WEDNESDAY...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A WIND CHILL
ADVISORY...WHICH IS IN EFFECT UNTIL 12 PM CST /1 PM EST/
WEDNESDAY. THE WINTER STORM WARNING HAS BEEN CANCELLED. 

ACCUMULATING SNOWFALL HAS ENDED...HOWEVER VERY STRONG WINDS AND
BITTERLY COLD TEMPERATURES WILL RESULT IN WIND CHILLS OF 20 TO 30
DEGREES BELOW ZERO THROUGH WEDNESDAY MORNING.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN
FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. 
IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND
GLOVES.

$$

ILZ005-006-013-014-022-INZ001-002-010-011-301315-
/O.CON.KLOT.WS.W.0001.000000T0000Z-080130T1500Z/
MCHENRY-LAKE ILLINOIS-DUPAGE-COOK-WILL-LAKE INDIANA-PORTER-NEWTON-
JASPER-
INCLUDING THE CITIES OF...WOODSTOCK...WAUKEGAN...CHICAGO...
JOLIET...GARY...VALPARAISO...MOROCCO...RENSSELAER
1106 PM CST TUE JAN 29 2008

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 AM CST
WEDNESDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 AM CST
WEDNESDAY. 

NEAR BLIZZARD CONDITIONS...PARTICULARLY IN RURAL AREAS...WILL
QUICKLY IMPROVE LATE THIS EVENING. A BAND OF WIND DRIVEN SNOW
PRODUCING VISIBILITIES NEAR ZERO IN SPOTS...WILL MOVE OUT OF THE
AREA BY AROUND MIDNIGHT. AS THE SNOW ENDS VISIBILITIES WILL
IMPROVE GREATLY...THOUGH SOME MINOR BLOWING OF THE FRESH FALLEN
SNOW SHOULD CONTINUE OVERNIGHT.

IN ADDITION TO THE SNOW...WINDS WILL CONTINUE TO GUST OVER 50 MPH
AT TIMES. THESE VERY STRONG WINDS WILL COMBINE WITH THE BITTERLY
COLD TEMPERATURES TO SEND WIND CHILLS PLUMMETING TO 20 TO
30 DEGREES BELOW ZERO BY MORNING.

A WINTER STORM WARNING MEANS HAZARDOUS WINTER WEATHER WILL MAKE
TRAVEL VERY HAZARDOUS.

$$

ILZ003-004-008-301315-
/O.CON.KLOT.WC.W.0002.000000T0000Z-080130T1800Z/
WINNEBAGO-BOONE-OGLE-
INCLUDING THE CITIES OF...ROCKFORD...OREGON
1106 PM CST TUE JAN 29 2008

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 12 PM CST
WEDNESDAY...

A WIND CHILL WARNING REMAINS IN EFFECT UNTIL 12 PM CST WEDNESDAY.

VERY STRONG WINDS AND BITTERLY COLD TEMPERATURES WILL RESULT IN
WIND CHILLS OF 25 TO 35 DEGREES BELOW ZERO THROUGH WEDNESDAY
MORNING.

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS
WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF
PRECAUTIONS ARE NOT TAKEN.

$$

ILZ010-011-019-301315-
/O.CON.KLOT.WC.Y.0004.000000T0000Z-080130T1800Z/
LEE-DE KALB-LA SALLE-
INCLUDING THE CITIES OF...DIXON...DEKALB...OTTAWA
1106 PM CST TUE JAN 29 2008

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST
WEDNESDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 12 PM CST
WEDNESDAY. 

VERY STRONG WINDS AND BITTERLY COLD TEMPERATURES WILL RESULT IN
WIND CHILLS OF 20 TO 30 DEGREES BELOW ZERO THROUGH WEDNESDAY
MORNING.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN
FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.
IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND
GLOVES.

$$

IZZI

000 
WWUS43 KLOT 300609
WSWLOT

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1209 AM CST WED JAN 30 2008

ILZ005-006-013-014-301415-
/O.CAN.KLOT.WS.W.0001.000000T0000Z-080130T1500Z/
/O.EXA.KLOT.WC.W.0002.000000T0000Z-080130T1800Z/
MCHENRY-LAKE ILLINOIS-DUPAGE-COOK-
INCLUDING THE CITIES OF...WOODSTOCK...WAUKEGAN...CHICAGO
1209 AM CST WED JAN 30 2008

...WIND CHILL WARNING IN EFFECT UNTIL NOON CST TODAY...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A WIND CHILL
WARNING...WHICH IS IN EFFECT UNTIL NOON CST TODAY. THE WINTER
STORM WARNING HAS BEEN CANCELLED. 

ACCUMULATING SNOWFALL HAS ENDED...HOWEVER STRONG WINDS WILL
CONTINUE TO PRODUCE WIND CHILLS OF 25 TO 35 DEGREES BELOW ZERO
THROUGH WEDNESDAY MORNING.

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS
WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF
PRECAUTIONS ARE NOT TAKEN.

$$

ILZ022-INZ001-002-010-011-301415-
/O.CAN.KLOT.WS.W.0001.000000T0000Z-080130T1500Z/
/O.EXA.KLOT.WC.Y.0004.000000T0000Z-080130T1800Z/
WILL-LAKE INDIANA-PORTER-NEWTON-JASPER-
INCLUDING THE CITIES OF...JOLIET...GARY...VALPARAISO...MOROCCO...
RENSSELAER
1209 AM CST WED JAN 30 2008

...WIND CHILL ADVISORY IN EFFECT UNTIL NOON CST TODAY...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A WIND CHILL
ADVISORY...WHICH IS IN EFFECT UNTIL NOON CST TODAY. THE WINTER
STORM WARNING HAS BEEN CANCELLED. 

ACCUMULATING SNOWFALL HAS ENDED...HOWEVER VERY STRONG WINDS AND
BITTERLY COLD TEMPERATURES WILL RESULT IN WIND CHILLS OF 20 TO 30
DEGREES BELOW ZERO THROUGH WEDNESDAY MORNING.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN
FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. 
IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND
GLOVES.

$$

ILZ010>012-301415-
/O.UPG.KLOT.WC.Y.0004.000000T0000Z-080130T1800Z/
/O.EXA.KLOT.WC.W.0002.000000T0000Z-080130T1800Z/
LEE-DE KALB-KANE-
INCLUDING THE CITIES OF...DIXON...DEKALB...AURORA
1209 AM CST WED JAN 30 2008

...WIND CHILL WARNING IN EFFECT UNTIL NOON CST TODAY...

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A WIND CHILL
WARNING...WHICH IS IN EFFECT UNTIL NOON CST TODAY. THE WIND CHILL
ADVISORY IS NO LONGER IN EFFECT. 

VERY STRONG WINDS AND BITTERLY COLD TEMPERATURES WILL RESULT IN
WIND CHILLS OF 20 TO 30 DEGREES BELOW ZERO THROUGH WEDNESDAY
MORNING.

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS
WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF
PRECAUTIONS ARE NOT TAKEN.

$$

ILZ003-004-008-301415-
/O.CON.KLOT.WC.W.0002.000000T0000Z-080130T1800Z/
WINNEBAGO-BOONE-OGLE-
INCLUDING THE CITIES OF...ROCKFORD...OREGON
1209 AM CST WED JAN 30 2008

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON CST TODAY...

A WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON CST TODAY. 

VERY STRONG WINDS AND BITTERLY COLD TEMPERATURES WILL RESULT IN
WIND CHILLS OF 25 TO 35 DEGREES BELOW ZERO THROUGH WEDNESDAY
MORNING.

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS
WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF
PRECAUTIONS ARE NOT TAKEN.

$$

ILZ019>021-023-032-033-039-INZ019-301415-
/O.CON.KLOT.WC.Y.0004.000000T0000Z-080130T1800Z/
LA SALLE-KENDALL-GRUNDY-KANKAKEE-LIVINGSTON-IROQUOIS-FORD-BENTON-
INCLUDING THE CITIES OF...OTTAWA...OSWEGO...MORRIS...KANKAKEE...
PONTIAC...WATSEKA...PAXTON...FOWLER
1209 AM CST WED JAN 30 2008 /109 AM EST WED JAN 30 2008/

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST /1 PM
EST/ TODAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST /1 PM EST/
TODAY. 

VERY STRONG WINDS AND BITTERLY COLD TEMPERATURES WILL RESULT IN
WIND CHILLS OF 20 TO 30 DEGREES BELOW ZERO THROUGH WEDNESDAY
MORNING.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN
FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.
IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND
GLOVES.

$$

IZZI

000 
WWUS43 KLOT 300612
WSWLOT

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1212 AM CST WED JAN 30 2008

ILZ003>006-008-010>014-301415-
/O.CON.KLOT.WC.W.0002.000000T0000Z-080130T1800Z/
WINNEBAGO-BOONE-MCHENRY-LAKE ILLINOIS-OGLE-LEE-DE KALB-KANE-
DUPAGE-COOK-
INCLUDING THE CITIES OF...ROCKFORD...WOODSTOCK...WAUKEGAN...
OREGON...DIXON...DEKALB...AURORA...CHICAGO
1212 AM CST WED JAN 30 2008

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON CST TODAY...

A WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON CST TODAY. 

VERY STRONG WINDS AND BITTERLY COLD TEMPERATURES WILL RESULT IN
WIND CHILLS OF 25 TO 35 DEGREES BELOW ZERO THROUGH WEDNESDAY
MORNING.

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS
WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF
PRECAUTIONS ARE NOT TAKEN.

$$

ILZ019>023-032-033-039-INZ001-002-010-011-019-301415-
/O.CON.KLOT.WC.Y.0004.000000T0000Z-080130T1800Z/
LA SALLE-KENDALL-GRUNDY-WILL-KANKAKEE-LIVINGSTON-IROQUOIS-FORD-
LAKE INDIANA-PORTER-NEWTON-JASPER-BENTON-
INCLUDING THE CITIES OF...OTTAWA...OSWEGO...MORRIS...JOLIET...
KANKAKEE...PONTIAC...WATSEKA...PAXTON...GARY...VALPARAISO...
MOROCCO...RENSSELAER...FOWLER
1212 AM CST WED JAN 30 2008 /112 AM EST WED JAN 30 2008/

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST /1 PM
EST/ TODAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST /1 PM EST/
TODAY. 

VERY STRONG WINDS AND BITTERLY COLD TEMPERATURES WILL RESULT IN
WIND CHILLS OF 20 TO 30 DEGREES BELOW ZERO THROUGH WEDNESDAY
MORNING.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN
FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.
IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND
GLOVES.

$$

IZZI

000 
WWUS43 KLOT 300729
WSWLOT

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
129 AM CST WED JAN 30 2008

ILZ005-006-012>014-301530-
/O.NEW.KLOT.BS.Y.0002.080130T0729Z-080130T1800Z/
/O.CON.KLOT.WC.W.0002.000000T0000Z-080130T1800Z/
MCHENRY-LAKE ILLINOIS-KANE-DUPAGE-COOK-
INCLUDING THE CITIES OF...WOODSTOCK...WAUKEGAN...AURORA...CHICAGO
129 AM CST WED JAN 30 2008

...BLOWING SNOW ADVISORY IN EFFECT UNTIL NOON CST TODAY...
...WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON CST TODAY...

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A BLOWING SNOW
ADVISORY...WHICH IS IN EFFECT UNTIL NOON CST TODAY. A WIND CHILL
WARNING REMAINS IN EFFECT UNTIL NOON CST TODAY. 

VERY STRONG WINDS AND BITTERLY COLD TEMPERATURES WILL RESULT IN
WIND CHILLS OF 25 TO 35 DEGREES BELOW ZERO THROUGH WEDNESDAY
MORNING. IN ADDITION...THE STRONG WINDS WILL RESULT IN VISIBILITIES
TEMPORARILY DROPPING TO A QUARTER OF A MILE OR LESS...ESPECIALLY
ACROSS OPEN AREAS.

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS
WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF
PRECAUTIONS ARE NOT TAKEN.

A BLOWING SNOW ADVISORY MEANS THAT VISIBILITIES WILL BE LIMITED
DUE TO STRONG WINDS BLOWING SNOW AROUND. USE CAUTION WHEN
TRAVELING...ESPECIALLY IN OPEN AREAS.

$$

ILZ003-004-008-010-011-301530-
/O.CON.KLOT.WC.W.0002.000000T0000Z-080130T1800Z/
WINNEBAGO-BOONE-OGLE-LEE-DE KALB-
INCLUDING THE CITIES OF...ROCKFORD...OREGON...DIXON...DEKALB
129 AM CST WED JAN 30 2008

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON CST TODAY...

A WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON CST TODAY. 

VERY STRONG WINDS AND BITTERLY COLD TEMPERATURES WILL RESULT IN
WIND CHILLS OF 25 TO 35 DEGREES BELOW ZERO THROUGH WEDNESDAY
MORNING.

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS
WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF
PRECAUTIONS ARE NOT TAKEN.

$$

ILZ020>023-INZ001-002-301530-
/O.NEW.KLOT.BS.Y.0002.080130T0729Z-080130T1800Z/
/O.CON.KLOT.WC.Y.0004.000000T0000Z-080130T1800Z/
KENDALL-GRUNDY-WILL-KANKAKEE-LAKE INDIANA-PORTER-
INCLUDING THE CITIES OF...OSWEGO...MORRIS...JOLIET...KANKAKEE...
GARY...VALPARAISO
129 AM CST WED JAN 30 2008

...BLOWING SNOW ADVISORY IN EFFECT UNTIL NOON CST TODAY...
...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY...

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A BLOWING SNOW
ADVISORY...WHICH IS IN EFFECT UNTIL NOON CST TODAY. A WIND CHILL
ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY. 

VERY STRONG WINDS AND BITTERLY COLD TEMPERATURES WILL RESULT IN
WIND CHILLS OF 20 TO 30 DEGREES BELOW ZERO THROUGH WEDNESDAY
MORNING. IN ADDITION...THE STRONG WINDS WILL RESULT IN VISIBILITIES
TEMPORARILY DROPPING TO A QUARTER OF A MILE OR LESS...ESPECIALLY
ACROSS OPEN AREAS.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN
FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.
IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND
GLOVES.

A BLOWING SNOW ADVISORY MEANS THAT VISIBILITIES WILL BE LIMITED
DUE TO STRONG WINDS BLOWING SNOW AROUND. USE CAUTION WHEN
TRAVELING...ESPECIALLY IN OPEN AREAS.

$$

ILZ019-032-033-039-INZ010-011-019-301530-
/O.CON.KLOT.WC.Y.0004.000000T0000Z-080130T1800Z/
LA SALLE-LIVINGSTON-IROQUOIS-FORD-NEWTON-JASPER-BENTON-
INCLUDING THE CITIES OF...OTTAWA...PONTIAC...WATSEKA...PAXTON...
MOROCCO...RENSSELAER...FOWLER
129 AM CST WED JAN 30 2008 /229 AM EST WED JAN 30 2008/

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST /1 PM
EST/ TODAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST /1 PM EST/
TODAY. 

VERY STRONG WINDS AND BITTERLY COLD TEMPERATURES WILL RESULT IN
WIND CHILLS OF 20 TO 30 DEGREES BELOW ZERO THROUGH WEDNESDAY
MORNING.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN
FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.
IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND
GLOVES.

$$

MARSILI

000 
WWUS43 KLOT 301036
WSWLOT

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
436 AM CST WED JAN 30 2008

ILZ005-006-012>014-301800-
/O.CON.KLOT.WC.W.0002.000000T0000Z-080130T1800Z/
/O.CON.KLOT.BS.Y.0002.000000T0000Z-080130T1800Z/
MCHENRY-LAKE ILLINOIS-KANE-DUPAGE-COOK-
INCLUDING THE CITIES OF...WOODSTOCK...WAUKEGAN...AURORA...CHICAGO
436 AM CST WED JAN 30 2008

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON CST TODAY...
...BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY...

A WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON CST TODAY. A
BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY. 

WEST WINDS OF 20 TO 30 MPH COMBINED WITH EARLY MORNING
TEMPERATURES OF ZERO TO FIVE BELOW WILL PRODUCE WIND CHILLS OF 20
BELOW TO 35 BELOW ZERO THIS MORNING. IN ADDITION...THE STRONG
WINDS WILL LEAD TO CONTINUED BLOWING AND DRIFTING OF SNOW LEADING
TO REDUCED VISIBILITIES...ESPECIALLY ACROSS OPEN AREAS. WINDS WILL
DECREASE IN SPEED BY LATE MORNING ALLOWING THE BLOWING SNOW TO
DIMINISH. 

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS
WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF
PRECAUTIONS ARE NOT TAKEN.

A BLOWING SNOW ADVISORY MEANS THAT VISIBILITIES WILL BE LIMITED
DUE TO STRONG WINDS BLOWING SNOW AROUND. USE CAUTION WHEN
TRAVELING...ESPECIALLY IN OPEN AREAS.

$$

ILZ003-004-008-010-011-301800-
/O.CON.KLOT.WC.W.0002.000000T0000Z-080130T1800Z/
WINNEBAGO-BOONE-OGLE-LEE-DE KALB-
INCLUDING THE CITIES OF...ROCKFORD...OREGON...DIXON...DEKALB
436 AM CST WED JAN 30 2008

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON CST TODAY...

A WIND CHILL WARNING REMAINS IN EFFECT UNTIL NOON CST TODAY. 

WEST WINDS OF 20 TO 30 MPH COMBINED WITH EARLY MORNING
TEMPERATURES OF ZERO TO FIVE BELOW WILL PRODUCE WIND CHILLS OF 20
BELOW TO 35 BELOW ZERO THIS MORNING. 

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS
WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF
PRECAUTIONS ARE NOT TAKEN.

$$

ILZ023-INZ001-002-301845-
/O.NEW.KLOT.WS.A.0001.080201T0000Z-080202T0000Z/
/O.CON.KLOT.BS.Y.0002.000000T0000Z-080130T1800Z/
/O.CON.KLOT.WC.Y.0004.000000T0000Z-080130T1800Z/
KANKAKEE-LAKE INDIANA-PORTER-
INCLUDING THE CITIES OF...KANKAKEE...GARY...VALPARAISO
436 AM CST WED JAN 30 2008

...BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY...
...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY...
...WINTER STORM WATCH IN EFFECT FROM THURSDAY EVENING THROUGH
FRIDAY AFTERNOON...

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A WINTER STORM
WATCH...WHICH IS IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY
AFTERNOON. A BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL NOON
CST TODAY. A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST
TODAY. 

WEST WINDS OF 20 TO 30 MPH COMBINED WITH EARLY MORNING
TEMPERATURES AROUND ZERO WILL PRODUCE WIND CHILLS OF 15 BELOW TO
30 BELOW ZERO THIS MORNING. IN ADDITION...THE STRONG WINDS WILL
LEAD TO CONTINUED BLOWING AND DRIFTING OF SNOW LEADING TO REDUCED
VISIBILITIES...ESPECIALLY ACROSS OPEN AREAS. WINDS WILL DECREASE
IN SPEED BY LATE MORNING ALLOWING THE BLOWING SNOW TO DIMINISH.

A STORM SYSTEM WILL STRENGTHEN ACROSS THE SOUTHERN PLAINS
TONIGHT...AND LIFT NORTHEAST INTO THE GREAT LAKES AND OHIO RIVER
VALLEY ON FRIDAY. HEAVY SNOW IS POSSIBLE THURSDAY NIGHT INTO EARLY
FRIDAY ACROSS THE AREA AS THIS STORM APPROACHES...WITH A POTENTIAL
OF 6 OR MORE INCHES OF SNOW ACCUMULATION BEFORE THE SNOW TAPERS
OFF FRIDAY AFTERNOON. IN ADDITION...BLOWING AND DRIFTING SNOW WILL
BECOMING A CONCERN AGAIN AS NORTH WINDS STRENGTHEN LATE THURSDAY
NIGHT INTO FRIDAY.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN
FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.
IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND
GLOVES.

A BLOWING SNOW ADVISORY MEANS THAT VISIBILITIES WILL BE LIMITED
DUE TO STRONG WINDS BLOWING SNOW AROUND. USE CAUTION WHEN
TRAVELING...ESPECIALLY IN OPEN AREAS.

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL.
CONTINUE TO MONITOR THE LATEST FORECASTS.

$$

ILZ020>022-301800-
/O.CON.KLOT.BS.Y.0002.000000T0000Z-080130T1800Z/
/O.CON.KLOT.WC.Y.0004.000000T0000Z-080130T1800Z/
KENDALL-GRUNDY-WILL-
INCLUDING THE CITIES OF...OSWEGO...MORRIS...JOLIET
436 AM CST WED JAN 30 2008

...BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY...
...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY...

A BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY. A
WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY. 

WEST WINDS OF 20 TO 30 MPH COMBINED WITH EARLY MORNING
TEMPERATURES AROUND ZERO WILL PRODUCE WIND CHILLS OF 15 BELOW TO
30 BELOW ZERO THIS MORNING. IN ADDITION...THE STRONG WINDS WILL
LEAD TO CONTINUED BLOWING AND DRIFTING OF SNOW LEADING TO REDUCED
VISIBILITIES...ESPECIALLY ACROSS OPEN AREAS. WINDS WILL DECREASE
IN SPEED BY LATE MORNING ALLOWING THE BLOWING SNOW TO DIMINISH.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN
FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.
IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND
GLOVES.

A BLOWING SNOW ADVISORY MEANS THAT VISIBILITIES WILL BE LIMITED
DUE TO STRONG WINDS BLOWING SNOW AROUND. USE CAUTION WHEN
TRAVELING...ESPECIALLY IN OPEN AREAS.

$$

ILZ032-033-039-INZ010-011-019-301845-
/O.NEW.KLOT.WS.A.0001.080201T0000Z-080202T0000Z/
/O.CON.KLOT.WC.Y.0004.000000T0000Z-080130T1800Z/
LIVINGSTON-IROQUOIS-FORD-NEWTON-JASPER-BENTON-
INCLUDING THE CITIES OF...PONTIAC...WATSEKA...PAXTON...MOROCCO...
RENSSELAER...FOWLER
436 AM CST WED JAN 30 2008 /536 AM EST WED JAN 30 2008/

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST /1 PM
EST/ TODAY...
...WINTER STORM WATCH IN EFFECT FROM THURSDAY EVENING THROUGH
FRIDAY AFTERNOON...

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A WINTER STORM
WATCH...WHICH IS IN EFFECT FROM THURSDAY EVENING THROUGH FRIDAY
AFTERNOON. A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST
/1 PM EST/ TODAY. 

WEST WINDS OF 20 TO 30 MPH COMBINED WITH EARLY MORNING
TEMPERATURES AROUND ZERO WILL PRODUCE WIND CHILLS OF 15 BELOW TO
30 BELOW ZERO THIS MORNING. 

A STORM SYSTEM WILL STRENGTHEN ACROSS THE SOUTHERN PLAINS
TONIGHT...AND LIFT NORTHEAST INTO THE GREAT LAKES AND OHIO RIVER
VALLEY ON FRIDAY. HEAVY SNOW IS POSSIBLE THURSDAY NIGHT INTO EARLY
FRIDAY ACROSS THE AREA AS THIS STORM APPROACHES...WITH A POTENTIAL
OF 6 OR MORE INCHES OF SNOW ACCUMULATION BEFORE THE SNOW TAPERS
OFF FRIDAY AFTERNOON. IN ADDITION...BLOWING AND DRIFTING SNOW WILL
BECOMING A CONCERN AGAIN AS NORTH WINDS STRENGTHEN LATE THURSDAY
NIGHT INTO FRIDAY.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN
FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.
IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND
GLOVES.

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL.
CONTINUE TO MONITOR THE LATEST FORECASTS.

$$

ILZ019-301800-
/O.CON.KLOT.WC.Y.0004.000000T0000Z-080130T1800Z/
LA SALLE-
INCLUDING THE CITY OF...OTTAWA
436 AM CST WED JAN 30 2008

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY. 

WEST WINDS OF 20 TO 30 MPH COMBINED WITH EARLY MORNING
TEMPERATURES AROUND ZERO WILL PRODUCE WIND CHILLS OF 15 BELOW TO
30 BELOW ZERO THIS MORNING. 

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN
FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.
IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND
GLOVES.

$$

MARSILI

000 
WWUS43 KLOT 301607
WSWLOT

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1007 AM CST WED JAN 30 2008

ILZ005-006-012>014-301715-
/O.CAN.KLOT.WC.W.0002.000000T0000Z-080130T1800Z/
/O.CAN.KLOT.BS.Y.0002.000000T0000Z-080130T1800Z/
MCHENRY-LAKE ILLINOIS-KANE-DUPAGE-COOK-
INCLUDING THE CITIES OF...WOODSTOCK...WAUKEGAN...AURORA...CHICAGO
1007 AM CST WED JAN 30 2008

...WIND CHILL WARNING IS CANCELLED...
...BLOWING SNOW ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS CANCELLED THE WIND
CHILL WARNING. THE BLOWING SNOW ADVISORY HAS BEEN CANCELLED. 

TEMPERATURES HAVE RISEN UP ABOVE ZERO AND WINDS HAVE STARTED TO
RECEDE BRINGING WIND CHILL VALUES ABOVE WARNING CRITERIA.
ALSO...NO BLOWING SNOW PROBLEMS HAVE BEEN REPORTED...SO BOTH THE
WIND CHILL WARNING AND BLOWING SNOW ADVISORY HAVE BEEN CANCELLED.

$$

ILZ003-004-008-010-011-301715-
/O.CAN.KLOT.WC.W.0002.000000T0000Z-080130T1800Z/
WINNEBAGO-BOONE-OGLE-LEE-DE KALB-
INCLUDING THE CITIES OF...ROCKFORD...OREGON...DIXON...DEKALB
1007 AM CST WED JAN 30 2008

...WIND CHILL WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS CANCELLED THE WIND
CHILL WARNING. 

TEMPERATURES HAVE RISEN UP ABOVE ZERO AND WINDS HAVE STARTED TO
RECEDE BRINGING WIND CHILL VALUES UP ABOVE WARNING CRITERIA.

$$

ILZ023-INZ001-002-310015-
/O.CAN.KLOT.BS.Y.0002.000000T0000Z-080130T1800Z/
/O.CAN.KLOT.WC.Y.0004.000000T0000Z-080130T1800Z/
/O.CON.KLOT.WS.A.0001.080201T0000Z-080202T0000Z/
KANKAKEE-LAKE INDIANA-PORTER-
INCLUDING THE CITIES OF...KANKAKEE...GARY...VALPARAISO
1007 AM CST WED JAN 30 2008

...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY EVENING
THROUGH FRIDAY AFTERNOON...
...BLOWING SNOW ADVISORY IS CANCELLED...
...WIND CHILL ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS CANCELLED THE BLOWING
SNOW ADVISORY. THE WIND CHILL ADVISORY HAS BEEN CANCELLED. A
WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY EVENING
THROUGH FRIDAY AFTERNOON. 

TEMPERATURES HAVE RISEN UP ABOVE ZERO AND WINDS HAVE STARTED TO
RECEDE BRINGING WIND CHILL VALUES ABOVE ADVISORY CRITERIA.
ALSO...NO BLOWING SNOW PROBLEMS HAVE BEEN REPORTED...SO BOTH THE
WIND CHILL WARNING AND BLOWING SNOW ADVISORY HAVE BEEN CANCELLED.

A STORM SYSTEM WILL STRENGTHEN ACROSS THE SOUTHERN PLAINS
TONIGHT...AND LIFT NORTHEAST INTO THE GREAT LAKES AND OHIO RIVER
VALLEY ON FRIDAY. HEAVY SNOW IS POSSIBLE THURSDAY NIGHT INTO EARLY
FRIDAY ACROSS THE AREA AS THIS STORM APPROACHES...WITH A POTENTIAL
OF 6 OR MORE INCHES OF SNOW ACCUMULATION BEFORE THE SNOW TAPERS
OFF FRIDAY AFTERNOON. IN ADDITION...BLOWING AND DRIFTING SNOW WILL
BECOMING A CONCERN AGAIN AS NORTH WINDS STRENGTHEN LATE THURSDAY
NIGHT INTO FRIDAY.

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL.
CONTINUE TO MONITOR THE LATEST FORECASTS.

$$

ILZ020>022-301715-
/O.CAN.KLOT.BS.Y.0002.000000T0000Z-080130T1800Z/
/O.CAN.KLOT.WC.Y.0004.000000T0000Z-080130T1800Z/
KENDALL-GRUNDY-WILL-
INCLUDING THE CITIES OF...OSWEGO...MORRIS...JOLIET
1007 AM CST WED JAN 30 2008

...BLOWING SNOW ADVISORY IS CANCELLED...
...WIND CHILL ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS CANCELLED THE BLOWING
SNOW ADVISORY. THE WIND CHILL ADVISORY HAS BEEN CANCELLED. 

TEMPERATURES HAVE RISEN UP ABOVE ZERO AND WINDS HAVE STARTED TO
RECEDE BRINGING WIND CHILL VALUES ABOVE ADVISORY CRITERIA.
ALSO...NO BLOWING SNOW PROBLEMS HAVE BEEN REPORTED...SO BOTH THE
WIND CHILL WARNING AND BLOWING SNOW ADVISORY HAVE BEEN CANCELLED.

$$

ILZ032-033-039-INZ010-011-019-310015-
/O.CAN.KLOT.WC.Y.0004.000000T0000Z-080130T1800Z/
/O.CON.KLOT.WS.A.0001.080201T0000Z-080202T0000Z/
LIVINGSTON-IROQUOIS-FORD-NEWTON-JASPER-BENTON-
INCLUDING THE CITIES OF...PONTIAC...WATSEKA...PAXTON...MOROCCO...
RENSSELAER...FOWLER
1007 AM CST WED JAN 30 2008 /1107 AM EST WED JAN 30 2008/

...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY EVENING
THROUGH FRIDAY AFTERNOON...
...WIND CHILL ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS CANCELLED THE WIND
CHILL ADVISORY. A WINTER STORM WATCH REMAINS IN EFFECT FROM
THURSDAY EVENING THROUGH FRIDAY AFTERNOON. 

TEMPERATURES HAVE RISEN UP ABOVE ZERO AND WINDS HAVE STARTED TO
RECEDE BRINGING WIND CHILL VALUES ABOVE WARNING CRITERIA.
THEREFORE THE WIND CHILL ADVISORY HAS BEEN CANCELLED.

A STORM SYSTEM WILL STRENGTHEN ACROSS THE SOUTHERN PLAINS
TONIGHT...AND LIFT NORTHEAST INTO THE GREAT LAKES AND OHIO RIVER
VALLEY ON FRIDAY. HEAVY SNOW IS POSSIBLE THURSDAY NIGHT INTO
EARLY FRIDAY ACROSS THE AREA AS THIS STORM APPROACHES...WITH A
POTENTIAL OF 6 OR MORE INCHES OF SNOW ACCUMULATION BEFORE THE
SNOW TAPERS OFF FRIDAY AFTERNOON. IN ADDITION...BLOWING AND
DRIFTING SNOW WILL BECOMING A CONCERN AGAIN AS NORTH WINDS
STRENGTHEN LATE THURSDAY NIGHT INTO FRIDAY.

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL.
CONTINUE TO MONITOR THE LATEST FORECASTS.

$$

ILZ019-301715-
/O.CAN.KLOT.WC.Y.0004.000000T0000Z-080130T1800Z/
LA SALLE-
INCLUDING THE CITY OF...OTTAWA
1007 AM CST WED JAN 30 2008

...WIND CHILL ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS CANCELLED THE WIND
CHILL ADVISORY. 

TEMPERATURES HAVE RISEN UP ABOVE ZERO AND WINDS HAVE STARTED TO
RECEDE BRINGING WIND CHILL VALUES ABOVE WARNING CRITERIA.
THEREFORE...THE WIND CHILL ADVISORY HAS BEEN CANCELLED.

$$

HALBACH

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CHICAGO IL
854 PM CST TUE JAN 29 2008

.DISCUSSION...
854 PM CST

GOING GRIDS GENERALLY IN PRETTY GOOD SHAPE. LOOKS LIKE THE SNOW
IS WINDING DOWN OVER NORTH CENTRAL ILLINOIS...WITH BACK EDGE
LIKELY TO MOVE THROUGH THE CHICAGO METRO AREA PRIOR TO MIDNIGHT.
ONCE THE SNOW ENDS THE PRIMARY CONCERN WILL BE WITH THE WINDS AND
RESULTANT WIND CHILLS. HAVE LOWERED HOURLY TEMPS AND LOWS IN THE
GRIDS GIVEN THE VERY COLD AIRMASS UPSTREAM AND STRONG ADVECTION
LIKELY TO PULL THOSE SUBZERO TEMPS DOWN INTO N IL WELL BEFORE
SUNRISE. RE-CALCULATING THE WIND CHILLS BASED ON THESE LOWER TEMPS
RESULTS IN WIND CHILLS OF -30 OR COLDER FOR SEVERAL HOURS ACROSS
OUT FAR NORTHERN AND NW COUNTIES.

SNOWFALL TOTALS SHOULD END UP BEING LESS THAN AN INCH WESTERN HALF
OR SO OF THE CWA...WITH AN INCH TO POSSIBLY AN INCH AND A HALF
OVER THE CHGO METRO AREA. LIKELY NOT ENOUGH SNOW TO CAUSE
SIGNIFICANT BLOWING/DRIFTING PROBLEMS OVERNIGHT WITH VSBYS LIKELY
STAYING ABOVE 1/2SM ONCE THE FALLING SNOW ENDS.

AS SNOW ENDS WILL TRANSITION FROM A WINTER STORM WARNINGS TO WIND
CHILL WARNINGS/ADVISORIES.

IZZI

&&

.PREV DISCUSSION...
306 PM CST

VERY BUSY FORECAST ON TAP WITH QUITE A FEW CHANGES COMING TO THE
WEATHER. ABOVE NORMAL TEMPERATURES WILL END TODAY AS A VERY POTENT
COLD FRONT COMES THROUGH THE REGION. THIS FRONT CURRENTLY EXTENDS
FROM CENTRAL WISCONSIN ON DOWN THROUGH CENTRAL ILLINOIS.
TEMPERATURES WILL RAPIDLY DROP FROM THE LOWER 50S ON DOWN INTO THE
SINGLE DIGITS BY MIDNIGHT. WHILE NO RECORDS FOR GREATEST ONE DAY
TEMPERATURE CHANGE WILL LIKELY BE BROKEN (CHI-52 DEG ON 2/8/1900
AND RFD-53 DEG ON 2/12/1999)...IT WILL NONE THE LESS STILL BE A
RATHER DRAMATIC TEMPERATURE CHANGE FOR THE PEOPLE OF NORTHERN
ILLINOIS/INDIANA...PARTICULARLY THOSE THAT DIDNT WEAR A WARM COAT
TO WORK TODAY.

OTHER THAN THE DRAMATIC TEMPERATURE DROP...A SMORGASBORD OF
WEATHER IS ON TAP FOR THE REST OF THIS AFTERNOON AND TONIGHT.
FIRST CONCERN REMAINS WITH SEVERE POTENTIAL THIS
AFTERNOON...MAINLY WITH A LINE OF THUNDERSTORMS CURRENTLY
EXTENDING FROM KENDALL COUNTY SOUTHWARD. THIS LINE WILL CONTINUE
TO MOVE EASTWARD ACROSS EAST CENTRAL ILLINOIS ON INTO NORTHWEST
INDIANA THROUGH THIS EVENING. STRONG WINDS WILL LIKELY BE THE MAIN
THREAT FOR THESE STORMS AS THEY TAP INTO THE STRONGER LOW LEVEL
WINDS. WOLCOTT INDIANA PROFILER SHOWING A 50 KNOT LLJ STREAK A FEW
HUNDRED FEET OFF OF THE GROUND. WITH THAT STRONG OF LOW LEVEL
WIND...IT WOULDNT TAKE MUCH OF A DOWNDRAFT TO BRING THAT DOWN TO
THE SURFACE.

AS THE THUNDERSTORM THREAT RECEDES THIS AFTERNOON...FOCUS WILL
SHIFT ONTO FROZEN PRECIP CHANCES THIS AFTERNOON INTO TONIGHT.
RADAR IS STARTING TO FILL IN OUT TO THE WEST AND THIS TREND SHOULD
CONTINUE THROUGH THE EVENING. PRECIP WILL INITIALLY START OUT AS
SLEET AS THE 850MB TEMPS REMAIN ABOVE FREEZING WHILE THE SFC TEMPS
RAPIDLY DROP. SLEET WILL THEN RAPIDLY CHANGE OVER TO ALL SNOW AS
THE ENTIRE VERTICAL TEMPERATURE PROFILE GOES BELOW FREEZING. WITH
THE STRONG BAROCLINIC ZONE IN PLACE AT 850MB...SNOW WILL CONTINUE
THROUGH THE EVENING AND COULD BE HEAVY AT TIMES...PARTICULARLY
ACROSS NORTH CENTRAL ILLINOIS WHICH WILL BE NORTH AND WEST OF THE
MAIN TRACK OF THE SFC LOW. GENERALLY EXPECTING ABOUT ONE TO THREE
INCHES OF LIGHT...FLUFFY SNOW AS MOST OF IT WILL FALL AS
TEMPERATURES ARE IN THE TEENS OR LOWER.

THE NEXT HAZARD COMES IN THE FORM OF BLOWING SNOW WHICH WILL BE
PRESENT WHILE THE SNOW COMES DOWN AND THROUGH WEDNESDAY MORNING AS
WINDS PICK UP TO AROUND 30 TO 40 MPH WITH SOME HIGHER GUSTS. THIS
WILL BRING VISIBILITIES ON DOWN TO LESS THAN A MILE WITH SOME
BRIEF WHITE OUT CONDITIONS LEADING TO DANGEROUS DRIVING CONDITIONS
TONIGHT.

THE NEXT HAZARD COMES IN THE FORM OF DANGEROUSLY COLD WIND
CHILLS...PARTICULARLY FROM MIDNIGHT ON INTO WEDNESDAY MORNING.
WITH WINDS UP ABOVE 35 MPH AND TEMPERATURES DROPPING INTO THE
SINGLE DIGITS AND LOWER...WIND CHILL VALUES WILL BE COLDER THAN
-20F THROUGH 15Z WEDNESDAY. INSTEAD OF CAUSING MASS CONFUSION WITH
TRYING TO BREAK UP THE WINTER WEATHER HEADLINES FOR EACH WEATHER
HAZARD...WILL MAINTAIN THE WINTER STORM WARNING TO INCLUDE ALL OF
THE HAZARDS...BUT BUMP UP THE END TIME TO 15Z WEDNESDAY FOR WHEN THE
HAZARDOUS WIND CHILLS WILL SUBSIDE.

AFTER THIS...HIGH PRESSURE WILL BUILD IN FOR WEDNESDAY AND
TEMPERATURES WILL REMAIN COLD THROUGHOUT THE DAY. THEY WILL START
PICKING UP AGAIN TOWARD THURSDAY AS SLIGHTLY WARMER AIR STARTS TO
ADVECT INTO THE REGION IN ADVANCE OF OUR NEXT SYSTEM ON THURSDAY
NIGHT INTO FRIDAY.

HALBACH

LONG TERM...THU THROUGH TUE... MODELS SEEM TO BE COMING INTO
BETTER AGREEMENT ON TIMING AND PATH OF NEXT STORM SYSTEM THU AND
FRI. STRONG TROF MOVING THROUGH SOUTHERN ROCKIES WED AND INTO
TX/OK THU. CUT OFF LOW DEVELOPS AND MOVES THROUGH OH VALLEY FRI.
MODELS CONTINUE TO BREAK OUT AN AREA OF LIGHT SNOW IN STRONG WAA
PATTERN SETTING UP FROM NE TO IA INTO NW IL WED NIGHT AND THU
MORNING. LOW LEVEL FLOW WEAKENS AND BACKS AS LOW DEEPENS IN
SOUTHERN PLAINS THURSDAY. THEREFORE DONT EXPECT MUCH SNOW FOR
NORTHERN IL OUT OF THIS WAA PATTERN. GFS IS THE MOST AGGRESSIVE
DROPPING AROUND A TENTH OF AN INCH OF QPF...WHILE NAM AND ECMWF
ONLY AROUND A HUNDREDTH. MAIN SHOW WILL BE SNOW BAND THAT DEVELOPS
WITH LOW MOVING INTO OHIO VALLEY THU NIGHT INTO FRI MORNING.
MODELS TRENDING A LITTLE FURTHER EAST NOW WITH A PRETTY SHARP CUT
OFF OF BACK END OF PRECIP. THIS PLUS THE FACT THAT STORM WILL MOVE
THROUGH PRETTY QUICKLY ARE ARGUMENTS AGAINST HEAVY SNOW. BEST
CHANCE FOR ACCUMULATING SNOW STILL ALONG AND SE OF A STREATOR TO
CHICAGO LINE...AND HEAVY SNOW THREAT LOOKS TO BE SE OF GIBSON CITY
TO VALPARAISO. SNOW SHOULD END QUICKLY BY FRIDAY AFTERNOON.

NEXT DISTURBANCE IN FAST ZONAL FLOW PROGGED TO MOVE THROUGH GREAT
LAKES FRIDAY NIGHT INTO SATURDAY MORNING...ALTHOUGH ECMWF AGAIN
SLOWER. TIMING IS SUBJECT OT CHANGE AND BEST CHANCE OF LIGHT SNOW
WILL BE NORTH OF IL. NEXT MAJOR STORM WILL BRING PRECIP TO THE AREA
SUN NIGHT INTO MON. EARLY INDICATIONS ARE THAT SURFACE LOW WILL TAKE
A PATH THROUGH IL...BRINGING MAINLY RAIN..THOUGH RAIN COULD CHANGE
TO SNOW ON THE BACK END LATE MONDAY INTO TUESDAY. THEN ANOTHER SHOT
OF ARCTIC AIR FOR MID WEEK.

ALLSOPP

&&

.AVIATION...
608 PM CST

0000 UTC TAFS...COLD FRONT EAST OF THE FCST AREA PER 23Z SFC
ANALYSIS WITH PRESS GRADIENT TIGHTENING RAPIDLY BEHIND THE FRONT
CAUSING WINDS TO INCREASE SHARPLY PAST COUPLE OF HOURS. BEST
ISALLOBARIC COMPONENT OF THE WIND REMAINING WELL SOUTH OF THE AREA
HOWEVER WITH BEST PRESS RISES OVER SW IL AND EASTERN MO AT 23Z.
EVEN WITHOUT THIS FORCING SURFACE STATIONS TO OUR WEST REPORTING
WIND GUSTS WELL INTO THE 30 KNOT RANGE AND EXPECT THIS ENVIRONMENT
TO SPREAD EAST INTO NRN IL AND NW IN THIS EVENING.

CIGS AND VSBYS HAVE IMPROVED FOLLOWING FROPA WITH SHARP MIXING AND
DRAMATIC DROP IN SFC DEW POINTS. SATELLITE WATER VAPOR IMAGERY
SHOWING LEADING UPR LEVEL VORT MAX AND TROUGH AXIS POISED TO SWEEP
ACROSS THE AREA 00Z-03Z AND APPEARS TO BE SUPPORTING RADAR RETURNS
CURRENTLY DEPICTED OVER CENTRAL IL SOUTH OF I-80 LIFTING NE TOWARD
CHICAGO. DIFFERENTIAL NEGATIVE VORTICITY ADVECTION (NVA) IN THE
WAKE OF THIS TROF AXIS SERVING IN INCREASE SUBSIDENCE AND IS
LIKELY RESPONSIBLE FOR RECENT WEAKENING TREND IN RADAR ECHOS OVER
ERN IA FROM 23Z-00Z.

SECOND UPR LEVEL VORT MAX/TROUGH AXIS FOLLOWS QUICKLY ON THE HEELS
OF THE FIRST WHICH SHOULD SERVE TO REINVIGORATE AREA OF PRECIP
ALONG THE MISSISSIPPI RIVER AS IT WORKS INTO NORTH CENTRAL IL
BRINGING ANOTHER FOCUSED SHOT OF SNOWFALL TO RFD. OTHERWISE STEEP
LOW LEVEL BAROCLINIC ZONE SHIFTING ACROSS THE AREA WILL HELP
SQUEEZE OUT RESIDUAL MOISTURE YIELDING TO INTERMITTENT FLURRIES
AND SCATTERED SNOW SHOWERS WITH LOCALLY REDUCED VISIBILITIES ALBEIT
IT BRIEF.

ED F

&&

.MARINE...
355 PM CST

COLD FRONT EXTENDS FROM THE DOOR PENINSULA WI TO MKE TO ORD AT
2130Z AND WILL CONTINUE TO SWEEP EAST THIS EVENING AS LOW PRESSURE
MOVES NORTHEAST ALONG THE FRONT. RAPIDLY TIGHTENING PRESSURE
GRADIENT TO THE WEST WILL SHIFT EAST TONIGHT CAUSING WINDS TO
STRENGTHEN DRAMATICALLY TO GALE FORCE WITH SOME STORM FORCE GUSTS
BETWEEN 03Z-08Z. EXTREMELY TIGHT BAROCLINIC ZONE IN THE LOW LEVELS
WILL YIELD PLUNGING SURFACE TEMPS AS ARCTIC AIR INVADES FROM THE
NORTHWEST. TEMPERATURES DROPPING RAPIDLY INTO THE TEENS THIS
EVENING AND SINGLE DIGITS OVERNIGHT WILL CAUSE HEAVY FREEZING
SPRAY.

THERMAL INSTABILITY RESULTING FROM ARCTIC AIR OVER THE RELATIVELY
WARMER WATERS (WITH LAKE SURFACE TO 850 MB TEMP DIFFERENCES
REACHING 25 DEG C BY 08Z) WILL RESULT IN SNOW SHOWERS AND SQUALLS.

HIGH PRESSURE RIDING FROM THE NORTHERN PLAINS TO THE OHIO VALLEY
WILL BUILD EAST INTO THE WESTERN GREAT LAKES LATER WEDNESDAY INTO
THURSDAY AS LOW PRESSURE MOVES OFF WELL TO THE NORTHEAST AND
ANOTHER AREA OF LOW PRESSURE ORGANIZES OVER THE SOUTHERN PLAINS.
THIS LOW WILL MOVE TO THE MID MISSISSIPPI VALLEY THURS NIGHT. THIS
LOW WILL INTENSIFY AS IT MOVES NORTHEAST TO THE EASTERN GREAT
LAKES FRIDAY.

ED F

&&

.LOT WATCHES/WARNINGS/ADVISORIES...
IL...WINTER STORM WARNING UNTIL 9 AM CST WEDNESDAY FOR ILZ003>006-008-
     010>014-019>023-032-033-039.
IN...WINTER STORM WARNING UNTIL 9 AM CST /10 AM EST/ WEDNESDAY FOR
     INZ001-002-010-011-019.
LM...HEAVY FREEZING SPRAY WARNING UNTIL 6 PM CST WEDNESDAY FOR LMZ777-
     779.
     GALE WARNING UNTIL 12 PM CST WEDNESDAY FOR LMZ740>745-777-779.
     HEAVY FREEZING SPRAY WARNING UNTIL 12 PM CST WEDNESDAY FOR
     LMZ740>745.

&&

WFO LOT

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
409 PM CST TUE JAN 29 2008

ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
302215-
WINNEBAGO-BOONE-MCHENRY-LAKE ILLINOIS-OGLE-LEE-DE KALB-KANE-
DUPAGE-COOK-LA SALLE-KENDALL-GRUNDY-WILL-KANKAKEE-LIVINGSTON-
IROQUOIS-FORD-LAKE INDIANA-PORTER-NEWTON-JASPER-BENTON-
409 PM CST TUE JAN 29 2008 /509 PM EST TUE JAN 29 2008/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL
ILLINOIS...NORTHEAST ILLINOIS AND NORTHWEST INDIANA.

.DAY ONE...TONIGHT.

NORTHWEST WINDS WILL GUST TO BETWEEN 40 AND 45 MPH AT
TIMES...WHICH WHEN COMBINED WITH AN INCH OR TWO OF SNOW THAT IS
EXPECTED THIS EVENING...WILL CAUSE CONSIDERABLE BLOWING SNOW WITH
GREATLY REDUCED VISIBILITIES. WINDS CHILLS OF 15 TO 25 DEGREES
BELOW ZERO ARE ALSO LIKELY AFTER MIDNIGHT.

FINALLY...LOCALIZED FLOODING WILL CONTINUE ALONG PORTIONS OF THE
ROCK AND KANKAKEE RIVERS DUE TO ICE JAMS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

WIND CHILLS BETWEEN 15 AND 25 DEGREES BELOW ZERO ARE LIKELY
WEDNESDAY MORNING.

AREAS OF BLOWING SNOW COULD ALSO LEAD TO REDUCED VISIBILITIES IN
OPEN AREAS WEDNESDAY MORNING.

ACCUMULATING SNOWFALL IS POSSIBLE THURSDAY NIGHT INTO
FRIDAY...WITH THE MOST SIGNIFICANT ACCUMULATIONS EXPECTED SOUTH
AND EAST OF INTERSTATE 55. IT IS TOO EARLY TO DETERMINE THE EXACT
TRACK AND STRENGTH OF THIS SYSTEM...WHICH WILL DICTATE THE
SNOWFALL AMOUNTS. HOWEVER...SOME EARLY INDICATIONS ARE THAT THERE
WILL BE THE POTENTIAL FOR SIGNIFICANT SNOWFALL...PARTICULARLY FROM
CENTRAL ILLINOIS INTO NORTHERN INDIANA.

LOCALIZED FLOODING ALONG THE ROCK AND KANKAKEE RIVERS IS EXPECTED
TO CONTINUE THIS WEEK DUE TO ICE JAMS.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE ASKED TO RELAY REPORTS OF SNOWFALL TO THE NATIONAL
WEATHER SERVICE IN CHICAGO THIS EVENING.

&&

COMPLETE FORECAST INFORMATION IS AVAILABLE ON THE NWS CHICAGO
WEBPAGE: WEATHER.GOV/CHICAGO

LMZ740>745-302215-
WINTHROP HARBOR TO WILMETTE HARBOR-
WILMETTE HARBOR TO NORTHERLY ISLAND-
NORTHERLY ISLAND TO CALUMET HARBOR-CALUMET HARBOR TO GARY-
GARY TO BURNS HARBOR-BURNS HARBOR TO MICHIGAN CITY-
409 PM CST TUE JAN 29 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF THE ILLINOIS
NEARSHORE WATERS OF LAKE MICHIGAN AND THE INDIANA NEARSHORE
WATERS OF LAKE MICHIGAN.

.DAY ONE...TONIGHT.

GALE FORCE WINDS IN EXCESS OF 35 KNOTS ARE LIKELY...WHICH WHEN
COMBINED WITH THE BITTERLY COLD TEMPERATURES WILL LEAD TO HEAVY
FREEZING SPRAY.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

HAZARDOUS WINDS AND WAVES ALONG WITH FREEZING SPRAY WILL CONTINUE
THROUGH WEDNESDAY MORNING.

&&

COMPLETE FORECAST INFORMATION IS AVAILABLE ON THE NWS CHICAGO
WEBPAGE: WEATHER.GOV/CHICAGO

LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-302215-
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM SEUL CHOIX POINT TO ROCK ISLAND PASSAGE 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN SOUTH OF A LINE FROM SEUL CHOIX POINT TO THE
MACKINAC BRIDGE AND NORTH OF A LINE FROM CHARLEVOIX MI TO SOUTH
FOX ISLAND 5 NM OFFSHORE-
LAKE MICHIGAN FROM CHARLEVOIX TO POINT BETSIE MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM POINT BETSIE TO MANISTEE MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM ROCK ISLAND PASSAGE TO STURGEON BAY WI-
LAKE MICHIGAN FROM STURGEON BAY TO TWO RIVERS WI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM TOW RIVERS TO SHEBOYGAN WI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM SHEBOYGAN TO PORT WASHINGTON WI 5 NM OFFSHORE
TO MID LAKE-
LAKE MICHIGAN FROM PORT WASHINGTON TO NORTH POINT LIGHT WI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM NORTH POINT LIGHT TO WIND POINT WI 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WIND POINT WI TO WINTHROP HARBOR IL 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WINTHROP HARBOR TO WILMETTE HARBOR IL 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM WILMETTE HARBOR IL TO MICHIGAN CITY IN 5 NM
OFFSHORE TO MID LAKE-
LAKE MICHIGAN FROM PENTWATER TO MANISTEE MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM WHITEHALL TO PENTWATER MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM GRAND HAVEN TO WHITEHALL MI 5 NM OFFSHORE TO
MID LAKE-
LAKE MICHIGAN FROM HOLLAND TO GRAND HAVEN MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM SOUTH HAVEN TO HOLLAND MI 5 NM OFFSHORE TO MID
LAKE-
LAKE MICHIGAN FROM ST. JOSEPH TO SOUTH HAVEN MI 5 NM OFFSHORE TO
MID LAKE-
409 PM CST TUE JAN 29 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF THE OPEN WATERS
OF LAKE MICHIGAN.

.DAY ONE...TONIGHT.

GALE FORCE WINDS OF 40 TO 45 KNOTS ARE LIKELY TONIGHT. A FEW
STORM FORCE GUSTS TO 50 KNOTS ARE POSSIBLE OVER SOUTHERN LAKE
MICHIGAN. THE STRONG WINDS WHEN COMBINED WITH THE BITTERLY COLD
TEMPERATURES WILL RESULT IN HEAVY FREEZING SPRAY.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

GALE FORCE WINDS AND HEAVY FREEZING SPRAY WILL CONTINUE INTO
WEDNESDAY MORNING.

&&

COMPLETE FORECAST INFORMATION IS AVAILABLE ON THE NWS CHICAGO
WEBPAGE: WEATHER.GOV/CHICAGO

IZZI

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
421 PM CST TUE JAN 29 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0419 PM     HAIL             ROMEOVILLE              41.65N 88.09W
01/29/2008  M0.25 INCH       WILL               IL   OFFICIAL NWS OBS

            HAIL BEGAN AT 419 PM CST.

&&

IZZI

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
424 PM CST TUE JAN 29 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0356 PM     HAIL             MARENGO                 42.25N 88.60W
01/29/2008  M0.25 INCH       MCHENRY            IL   TRAINED SPOTTER

&&

IZZI