Wind Chill Warning 3, NWS Chicago, IL

000 
WWUS43 KLOT 091628
WSWLOT

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1028 AM CST SAT FEB 9 2008

ILZ003>006-008-010>013-100030-
/O.CON.KLOT.WC.W.0003.080210T0600Z-080211T0000Z/
WINNEBAGO-BOONE-MCHENRY-LAKE ILLINOIS-OGLE-LEE-DE KALB-KANE-
DUPAGE-
INCLUDING THE CITIES OF...ROCKFORD...WOODSTOCK...WAUKEGAN...
OREGON...DIXON...DEKALB...AURORA
1028 AM CST SAT FEB 9 2008

...WIND CHILL WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
6 PM CST SUNDAY...

A WIND CHILL WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
6 PM CST SUNDAY. 

BITTERLY COLD SUBZERO TEMPERATURES AND NORTHWEST WINDS OF 25 TO 35
MPH WILL SEND WIND CHILL TEMPERATURES PLUMMETING TO 30 TO 35
DEGREES BELOW ZERO LATE TONIGHT INTO SUNDAY 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.

$$

ILZ014-019>023-032-033-039-INZ001-002-010-011-019-100030-
/O.CON.KLOT.WC.Y.0005.080210T0600Z-080211T0000Z/
COOK-LA SALLE-KENDALL-GRUNDY-WILL-KANKAKEE-LIVINGSTON-IROQUOIS-
FORD-LAKE INDIANA-PORTER-NEWTON-JASPER-BENTON-
INCLUDING THE CITIES OF...CHICAGO...OTTAWA...OSWEGO...MORRIS...
JOLIET...KANKAKEE...PONTIAC...WATSEKA...PAXTON...GARY...
VALPARAISO...MOROCCO...RENSSELAER...FOWLER
1028 AM CST SAT FEB 9 2008 /1128 AM EST SAT FEB 9 2008/

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT CST /1 AM
EST/ TONIGHT TO 6 PM CST /7 PM EST/ SUNDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT FROM MIDNIGHT CST /1 AM
EST/ TONIGHT TO 6 PM CST /7 PM EST/ SUNDAY. 

BITTERLY COLD SUBZERO TEMPERATURES AND NORTHWEST WINDS OF 25 TO 35
MPH WILL SEND WIND CHILL TEMPERATURES PLUMMETING TO 20 TO 30
DEGREES BELOW ZERO LATE TONIGHT INTO SUNDAY 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 092124
WSWLOT

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
324 PM CST SAT FEB 9 2008

ILZ014-100530-
/O.UPG.KLOT.WC.Y.0005.080210T0600Z-080211T0000Z/
/O.EXB.KLOT.WC.W.0003.080210T0800Z-080210T2200Z/
COOK-
INCLUDING THE CITY OF...CHICAGO
324 PM CST SAT FEB 9 2008

...WIND CHILL WARNING IN EFFECT FROM 2 AM TO 4 PM CST SUNDAY...

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A WIND CHILL
WARNING...WHICH IS IN EFFECT FROM 2 AM TO 4 PM CST SUNDAY. THE
WIND CHILL ADVISORY IS NO LONGER IN EFFECT. 

BITTERLY COLD SUBZERO TEMPERATURES AND NORTHWEST WINDS OF 25 TO
35 MPH WILL SEND WIND CHILL TEMPERATURES PLUMMETING TO 20 TO 30
DEGREES BELOW ZERO LATE TONIGHT THROUGH MIDDAY SUNDAY.

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>006-008-010>013-100530-
/O.EXT.KLOT.WC.W.0003.080210T0800Z-080210T2200Z/
WINNEBAGO-BOONE-MCHENRY-LAKE ILLINOIS-OGLE-LEE-DE KALB-KANE-
DUPAGE-
INCLUDING THE CITIES OF...ROCKFORD...WOODSTOCK...WAUKEGAN...
OREGON...DIXON...DEKALB...AURORA
324 PM CST SAT FEB 9 2008

...WIND CHILL WARNING NOW IN EFFECT FROM 2 AM TO 4 PM CST
SUNDAY...

THE WIND CHILL WARNING IS NOW IN EFFECT FROM 2 AM TO 4 PM CST
SUNDAY. 

BITTERLY COLD SUBZERO TEMPERATURES AND NORTHWEST WINDS OF 25 TO
35 MPH WILL SEND WIND CHILL TEMPERATURES PLUMMETING TO 30 TO
35 DEGREES BELOW ZERO LATE TONIGHT THROUGH MIDDAY SUNDAY.

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-INZ001-002-010-011-019-100530-
/O.EXT.KLOT.WC.Y.0005.080210T0800Z-080210T2200Z/
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
324 PM CST SAT FEB 9 2008 /424 PM EST SAT FEB 9 2008/

...WIND CHILL ADVISORY NOW IN EFFECT FROM 2 AM CST /3 AM EST/ TO
4 PM CST /5 PM EST/ SUNDAY...

THE WIND CHILL ADVISORY IS NOW IN EFFECT FROM 2 AM CST /3 AM EST/
TO 4 PM CST /5 PM EST/ SUNDAY. 

BITTERLY COLD SUBZERO TEMPERATURES AND NORTHWEST WINDS OF 25 TO
35 MPH WILL SEND WIND CHILL TEMPERATURES PLUMMETING TO 20 TO
30 DEGREES BELOW ZERO LATE TONIGHT THROUGH MIDDAY SUNDAY.

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 100237
WSWLOT

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
837 PM CST SAT FEB 9 2008

ILZ003>006-008-010>014-101045-
/O.CON.KLOT.WC.W.0003.080210T0800Z-080210T2200Z/
WINNEBAGO-BOONE-MCHENRY-LAKE ILLINOIS-OGLE-LEE-DE KALB-KANE-
DUPAGE-COOK-
INCLUDING THE CITIES OF...ROCKFORD...WOODSTOCK...WAUKEGAN...
OREGON...DIXON...DEKALB...AURORA...CHICAGO
837 PM CST SAT FEB 9 2008

...WIND CHILL WARNING REMAINS IN EFFECT FROM 2 AM TO 4 PM CST
SUNDAY...

A WIND CHILL WARNING REMAINS IN EFFECT FROM 2 AM TO 4 PM CST
SUNDAY. 

A COLD FRONT HAS MOVED THROUGH THE REGION...BEGINNING THE TREND
DOWNWARD IN TEMPERATURES. WINDS HAVE ALSO STARTED TO GUST ABOVE 30
MPH AT TIMES. TEMPERATURES WILL CONTINUE TO DROP THROUGH THE NIGHT
AND WITH THE WINDS REMAINING STRONG AND GUSTY...WIND CHILL
TEMPERATURES WILL DROP INTO THE 30 TO 35 DEGREES BELOW ZERO RANGE
LATE TONIGHT THROUGH MIDDAY SUNDAY.

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-INZ001-002-010-011-019-101045-
/O.CON.KLOT.WC.Y.0005.080210T0800Z-080210T2200Z/
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
837 PM CST SAT FEB 9 2008 /937 PM EST SAT FEB 9 2008/

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 2 AM CST /3 AM EST/
TO 4 PM CST /5 PM EST/ SUNDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT FROM 2 AM CST /3 AM EST/
TO 4 PM CST /5 PM EST/ SUNDAY. 

A COLD FRONT HAS MOVED THROUGH THE REGION...BEGINNING THE TREND
DOWNWARD IN TEMPERATURES. WINDS HAVE ALSO STARTED TO GUST ABOVE 30
MPH AT TIMES. TEMPERATURES WILL CONTINUE TO DROP THROUGH THE NIGHT
AND WITH THE WINDS REMAINING STRONG AND GUSTY...WIND CHILL
TEMPERATURES WILL DROP INTO THE 20 TO 30 DEGREES BELOW ZERO RANGE
LATE TONIGHT THROUGH MIDDAY SUNDAY.

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.

$$

HALBACH

000 
WWUS43 KLOT 101031
WSWLOT

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
431 AM CST SUN FEB 10 2008

ILZ003>006-008-010>014-101830-
/O.EXT.KLOT.WC.W.0003.000000T0000Z-080210T2300Z/
WINNEBAGO-BOONE-MCHENRY-LAKE ILLINOIS-OGLE-LEE-DE KALB-KANE-
DUPAGE-COOK-
INCLUDING THE CITIES OF...ROCKFORD...WOODSTOCK...WAUKEGAN...
OREGON...DIXON...DEKALB...AURORA...CHICAGO
431 AM CST SUN FEB 10 2008

...WIND CHILL WARNING NOW IN EFFECT UNTIL 5 PM CST THIS
AFTERNOON...

THE WIND CHILL WARNING IS NOW IN EFFECT UNTIL 5 PM CST THIS
AFTERNOON. 

A STRONG NORTHWEST WIND AND TEMPERATURES AROUND ZERO WILL CREATE
WIND CHILL TEMPERATURE 25 TO 30 DEGREES BELOW ZERO. SOME SCATTERED
LOCATIONS MAY HAVE A WIND CHILL OF 30 TO 32 DEGREES BELOW ZERO.
THESE COLD CONDITIONS WILL CONTINUE ACROSS NORTH CENTRAL AND
NORTHEAST ILLINOIS THROUGH 5 PM THIS EVENING.

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-INZ001-002-010-011-019-101830-
/O.EXT.KLOT.WC.Y.0005.000000T0000Z-080210T2300Z/
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
431 AM CST SUN FEB 10 2008 /531 AM EST SUN FEB 10 2008/

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL 5 PM CST /6 PM EST/
THIS AFTERNOON...

THE WIND CHILL ADVISORY IS NOW IN EFFECT UNTIL 5 PM CST /6 PM
EST/ THIS AFTERNOON. 

A STRONG NORTHWEST WIND AND TEMPERATURES AROUND ZERO WILL CREATE
A WIND CHILL TEMPERATURE OF 20 TO 25 DEGREES BELOW ZERO. MANY
LOCATIONS MAY HAVE A WIND CHILL OF 25 TO 29 DEGREES BELOW ZERO.
THESE COLD CONDITIONS WILL CONTINUE ACROSS EAST CENTRAL ILLINOIS
NORTHWEST INDIANA THROUGH 5 PM THIS EVENING.

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.

$$

000 
WWUS43 KLOT 101501
WSWLOT

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
901 AM CST SUN FEB 10 2008

ILZ003>006-008-010>014-102300-
/O.CON.KLOT.WC.W.0003.000000T0000Z-080210T2300Z/
WINNEBAGO-BOONE-MCHENRY-LAKE ILLINOIS-OGLE-LEE-DE KALB-KANE-
DUPAGE-COOK-
INCLUDING THE CITIES OF...ROCKFORD...WOODSTOCK...WAUKEGAN...
OREGON...DIXON...DEKALB...AURORA...CHICAGO
901 AM CST SUN FEB 10 2008

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 5 PM CST THIS
AFTERNOON...

A WIND CHILL WARNING REMAINS IN EFFECT UNTIL 5 PM CST THIS
AFTERNOON. 

STRONG NORTHWEST WINDS AND TEMPERATURES AROUND 5 BELOW ZERO WILL
CONTINUE TO RESULT IN WIND CHILLS OF AROUND 30 DEGREES BELOW ZERO
THIS MORNING. 

DURING THE AFTERNOON TEMPERATURES WILL SLOWLY CLIMB TO ZERO TO 5
ABOVE...HOWEVER STRONG NORTHWEST WINDS WILL CONTINUE TO PRODUCE
WIND CHILLS OF 20 TO 30 BELOW ZERO THROUGH THE AFTERNOON.

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-INZ001-002-010-011-019-102300-
/O.CON.KLOT.WC.Y.0005.000000T0000Z-080210T2300Z/
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
901 AM CST SUN FEB 10 2008 /1001 AM EST SUN FEB 10 2008/

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 5 PM CST /6 PM
EST/ THIS AFTERNOON...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 5 PM CST /6 PM EST/
THIS AFTERNOON. 

STRONG NORTHWEST WINDS AND TEMPERATURES NEAR ZERO WILL CONTINUE TO
RESULT IN WIND CHILLS OF 20 TO 30 BELOW THIS MORNING. 

DURING THE AFTERNOON TEMPERATURES WILL SLOWLY CLIMB TO 5 TO 10
ABOVE...HOWEVER WIND CHILLS WILL LIKELY HOVER AROUND 20 BELOW INTO
THE AFTERNOON AS STRONG NORTHWEST WINDS CONTINUE.

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 101848
WSWLOT

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1248 PM CST SUN FEB 10 2008

ILZ003-004-008-010-011-110300-
/O.CAN.KLOT.WC.W.0003.000000T0000Z-080210T2300Z/
/O.EXB.KLOT.WC.Y.0005.000000T0000Z-080211T0400Z/
WINNEBAGO-BOONE-OGLE-LEE-DE KALB-
INCLUDING THE CITIES OF...ROCKFORD...OREGON...DIXON...DEKALB
1248 PM CST SUN FEB 10 2008

...WIND CHILL ADVISORY IN EFFECT UNTIL 10 PM CST THIS EVENING...
...WIND CHILL WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A WIND CHILL
ADVISORY...WHICH IS IN EFFECT UNTIL 10 PM CST THIS EVENING. THE
WIND CHILL WARNING HAS BEEN CANCELLED. 

STRONG NORTHWEST WINDS AND BITTERLY COLD TEMPERATURES WILL KEEP
WIND CHILLS BETWEEN 20 AND 30 BELOW ZERO THROUGH THIS EVENING.
OVERNIGHT THE WINDS WILL DIMINISH TO LESS THAN 10 MPH...HOWEVER
TEMPERATURES WILL REMAIN BELOW ZERO.

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.

$$

ILZ005-006-012>014-110300-
/O.CAN.KLOT.WC.W.0003.000000T0000Z-080210T2300Z/
/O.EXB.KLOT.WC.Y.0005.000000T0000Z-080211T1000Z/
MCHENRY-LAKE ILLINOIS-KANE-DUPAGE-COOK-
INCLUDING THE CITIES OF...WOODSTOCK...WAUKEGAN...AURORA...CHICAGO
1248 PM CST SUN FEB 10 2008

...WIND CHILL ADVISORY IN EFFECT UNTIL 4 AM CST MONDAY...
...WIND CHILL WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A WIND CHILL
ADVISORY...WHICH IS IN EFFECT UNTIL 4 AM CST MONDAY. THE WIND
CHILL WARNING HAS BEEN CANCELLED. 

STRONG NORTHWEST WINDS AND BITTERLY COLD TEMPERATURES WILL KEEP
WIND CHILLS BETWEEN 20 AND 30 BELOW ZERO THROUGH MUCH OF TONIGHT.
BY LATE TONIGHT WINDS WILL DIMINISH TO LESS THAN 10 MPH...HOWEVER
TEMPERATURES WILL REMAIN BELOW ZERO.

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.

$$

ILZ032-033-039-INZ019-102000-
/O.CAN.KLOT.WC.Y.0005.000000T0000Z-080210T2300Z/
LIVINGSTON-IROQUOIS-FORD-BENTON-
INCLUDING THE CITIES OF...PONTIAC...WATSEKA...PAXTON...FOWLER
1248 PM CST SUN FEB 10 2008 /148 PM EST SUN FEB 10 2008/

...WIND CHILL ADVISORY IS CANCELLED...

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

WIND CHILLS HAVE RISEN ABOVE ADVISORY THRESHOLD AND ARE FORECAST
TO REMAIN THERE...HOWEVER IT WILL STILL BE VERY COLD WITH WIND
CHILLS 10 TO 20 BELOW ZERO LIKELY THIS AFTERNOON AND TONIGHT.

$$

ILZ020>023-INZ001-002-010-011-110300-
/O.EXT.KLOT.WC.Y.0005.000000T0000Z-080211T1000Z/
KENDALL-GRUNDY-WILL-KANKAKEE-LAKE INDIANA-PORTER-NEWTON-JASPER-
INCLUDING THE CITIES OF...OSWEGO...MORRIS...JOLIET...KANKAKEE...
GARY...VALPARAISO...MOROCCO...RENSSELAER
1248 PM CST SUN FEB 10 2008

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL 4 AM CST MONDAY...

THE WIND CHILL ADVISORY IS NOW IN EFFECT UNTIL 4 AM CST MONDAY. 

STRONG NORTHWEST WINDS AND BITTERLY COLD TEMPERATURES WILL KEEP
WIND CHILLS BETWEEN 20 AND 25 BELOW ZERO THROUGH MUCH OF TONIGHT.
OVERNIGHT THE WINDS WILL DIMINISH TO LESS THAN 10 MPH...HOWEVER
TEMPERATURES WILL REMAIN BELOW ZERO.

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.

$$

ILZ019-110300-
/O.EXT.KLOT.WC.Y.0005.000000T0000Z-080211T0400Z/
LA SALLE-
INCLUDING THE CITY OF...OTTAWA
1248 PM CST SUN FEB 10 2008

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL 10 PM CST THIS
EVENING...

THE WIND CHILL ADVISORY IS NOW IN EFFECT UNTIL 10 PM CST THIS
EVENING. 

STRONG NORTHWEST WINDS AND BITTERLY COLD TEMPERATURES WILL KEEP
WIND CHILLS BETWEEN 20 AND 30 BELOW ZERO THROUGH THIS EVENING.
OVERNIGHT THE WINDS WILL DIMINISH TO LESS THAN 10 MPH...HOWEVER
TEMPERATURES WILL REMAIN BELOW ZERO.

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

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CHICAGO IL
400 AM CST SAT FEB 9 2008

.DISCUSSION...
303 AM CST

A LOW OVER WISCONSIN WILL CONTINUE TO MOVE EAST INTO NORTHERN LAKE
HURON BY THIS AFTERNOON. ANOTHER LOW OVER NORTHERN MINNESOTA WILL
MOVE INTO ONTARIO. THE TWO LOWS WILL COMBINE IN EASTERN ONTARIO AS
VERY COLD AIR SPREADS INTO MANITOBA AND WESTERN ONTARIO. THIS COLD
AIR WILL MOVE SOUTH INTO NORTHERN ILLINOIS BY SUNDAY NIGHT. THE
ISENTROPIC CROSS SECTIONS OF THE GFS AND WRF MODELS SHOW THE DEPTH
OF THIS VERY COLD AIR AND THE LARGE STABILITY ABOVE 850 MB. WE
EXPECT VERY LOW TEMPERATURES AND BRISK WIND. THERE ARE LARGE
PRESSURE RISES IN NORTH DAKOTA AT 09 UTC. WITH THIS IN MIND WILL
ISSUE A WIND CHILL WARNING FOR THE NORTHERN HALF OF OUR FORECAST
AREA OF NORTH CENTRAL ILLINOIS...NORTHEAST ILLINOIS AND NORTHWEST
INDIANA UNTIL 00 UTC MONDAY. A WIND CHILL ADVISORY WILL BE ISSUED
FOR SOUTHERN HALF OF OUR FORECAST AREA. THE LOCAL WRF SHOWS A LOT
OF 500 MB VORTICITY WITH THIS COLD AIR. WITH THE POSITIVE VORTICITY
ADVECTION EXPECTED WE WILL KEEP A CHANCE OF LIGHT SNOW THE
FORECAST THROUGH THIS AFTERNOON AND EVENING.

THIS COLD PERIOD WILL LAST THROUGH MONDAY AFTERNOON. A LARGE HIGH
WILL MOVE OVER THE REGION AND BY THEN A SOUTH WIND WILL PREVAIL. A
LOW WILL MOVE INTO SOUTHERN ILLINOIS AND THEN TO EASTERN OHIO
BY TUESDAY AFTERNOON. WITH THE SUPPORT OF A 500 MB TROUGH THERE
WILL BE A CHANCE OF SNOW

&&

.AVIATION...
1046 PM CST

FOR THE 0600 UTC TAFS...WITH MIX OF RAIN AND SNOW CURRENTLY MOVING
OFF TO THE EAST OF THE TAF SITES...FOCUS WILL SHIFT TO THE NEXT
APPROACHING SYSTEM SATURDAY EVENING. BUT IN THE MEANTIME...THERE
WILL BE A BRIEF LULL BEHIND THE PRECIP AS VIS AND CEILINGS CLIMB
TO VFR THROUGH 9Z. MVFR CEILINGS CURRENTLY ACROSS NORTHERN IOWA
WILL THEN MOVE IN ACROSS THE REGION THROUGH THE MORNING SATURDAY
AND LINGER UP UNTIL THE NEXT SYSTEM. BEST CHANCE FOR ANY SNOW WILL
BE FROM AROUND 00Z TO 03Z AS A COLD FRONT DROPS DOWN ACROSS THE
REGION. THE SNOW IS EXPECTED TO BE ON THE LIGHT SIDE AND QUICK
LIVED. AFTER THE FRONT MOVES THROUGH...WINDS WILL REALLY PICK UP
OUT OF THE NORTHWEST WITH SUSTAINED WINDS OF 20KTS AND GUSTS UP
AROUND 35KTS. HOWEVER...VIS AND CEILINGS SHOULD IMPROVE BEHIND
THIS FRONT TO VFR CONDITIONS.

HALBACH

&&

.MARINE...
224 PM CST

WEAK SFC LOW OVER IOWA MOVES NORTHEAST ACROSS LAKE MI TONIGHT AND
THEN MERGES WITH A STRONG LOW OVER THE UPPER LAKES SATURDAY
AFTERNOON. THIS COMBINED LOW PRESSURE CONTINUES TO DEEPEN SATURDAY
NIGHT AS IT MOVES ACROSS WESTERN QUEBEC. MEANWHILE... STRONG LOW
PRESSURE MOVES ACROSS THE NORTHERN AND CENTRAL PLAINS SATURDAY
NIGHT INTO SUNDAY. THE GRADIENT BETWEEN THESE TWO FEATURES
TIGHTENS SIGNIFICANTLY SATURDAY EVENING. IN ADDITION... BITTERLY
COLD AIR SPREADS ACROSS THE REGION. GALE FORCE WINDS ARE CERTAIN
WITH FREQUENT STORM FORCE GUSTS LIKELY. ONSET OF STORM FORCE WINDS
APPEARS TO BE BETWEEN 21Z AND 01Z ACROSS THE SOUTHERN END OF LAKE
MICHIGAN. GIVEN THE CONSISTENCY OF THE MODELS HAVE GONE AHEAD AND
ISSUED A STORM WARNING FOR THE OPEN WATERS OF SOUTHERN LAKE
MICHIGAN...A GALE WARNING FOR THE NORTH HALF AND THE NEARSHORE AND
A HEAVY FREEZING SPRAY WARNING FOR THE OPEN WATERS. CLEARING SKIES
ALLOWING TO SEE THE LAKE SURFACE ON THE SOUTH END ON THE VISIBLE
SATELLITE IMAGES WHICH SHOW THE INDIANA NEARSHORE WITH QUITE A BIT
OF OPEN WATER. WILL THUS INCLUDE THOSE ZONES IN THE HEAVY FREEZING
SPRAY WARNING AND ALSO PUT WAVES BACK IN THE FORECAST. WINDS WILL
SLOWLY DIMINISH SUNDAY MORNING AND DEEPENING ON HOW FAST WINDS
DIMINISH...MAY NEED TO DROP THE STORM WARNING AND GO WITH A GALE
ON THE BACK SIDE. CMS

TRS

&&

.LOT WATCHES/WARNINGS/ADVISORIES...
IL...WIND CHILL WATCH FROM LATE TONIGHT THROUGH SUNDAY MORNING FOR
     ILZ003>006-008-010>012.
IN...NONE.
LM...HEAVY FREEZING SPRAY WARNING FROM 6 PM THIS EVENING TO 12 PM CST
     SUNDAY FOR LMZ744-745-777-779.
     STORM WARNING FROM 3 PM THIS AFTERNOON TO 12 PM CST SUNDAY FOR
     LMZ777-779.
     GALE WARNING FROM 3 PM THIS AFTERNOON TO 12 PM CST SUNDAY FOR
     LMZ740>745.

&&

WFO LOT

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
345 PM CST FRI FEB 8 2008

ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-
092145-
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-
345 PM CST FRI FEB 8 2008 /445 PM EST FRI FEB 8 2008/

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

.DAY ONE...TONIGHT.

SNOW WILL DEVELOP THIS EVENING WITH ONE TO LOCALLY THREE INCHES
LIKELY BY THE TIME THE SNOW ENDS SHORTLY AFTER MIDNIGHT.

FLOODING WILL CONTINUE THROUGH TONIGHT ON PORTIONS OF THE
IROQUOIS...KANKAKEE...ILLINOIS AND VERMILION RIVERS. IN
ADDITION...SOME SMALLER STREAMS AND CREEKS THAT RUN INTO THESE
RIVERS WILL REMAIN SWOLLEN AND OUT OF THEIR BANKS THROUGH
TONIGHT.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

LIGHT SNOW IS LIKELY SATURDAY AFTERNOON WITH ACCUMULATIONS OF UP
TO AN INCH POSSIBLE BY EVENING.

BITTERLY COLD TEMPERATURES ARE EXPECTED SATURDAY NIGHT INTO SUNDAY
MORNING. NORTHWEST WINDS GUSTING AT TIMES TO 40 MPH WILL SEND WIND
CHILLS PLUMMETING TO 20 TO 35 DEGREES BELOW ZERO. THE STRONG
WINDS COULD ALSO LEAD TO SOME BLOWING SNOW IN OPEN AREAS.

WIND CHILLS WILL REMAIN BELOW ZERO THROUGH SUNDAY NIGHT.

FLOODING WILL CONTINUE ALONG PORTIONS OF THE IROQUOIS...KANKAKEE...
ILLINOIS AND VERMILION RIVERS THROUGH THE WEEKEND.

ANOTHER WINTER STORMS WILL AFFECT THE AREA MONDAY AFTERNOON
THROUGH TUESDAY. IN ADDITION TO THE THREAT OF ACCUMULATING
SNOWFALL...SOME AREAS WILL ALSO HAVE THE POTENTIAL FOR FREEZING
RAIN OR SLEET.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NECESSARY THROUGH TONIGHT.

&&

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

LMZ740>745-092145-
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-
345 PM CST FRI FEB 8 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.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

GALE FORCE WINDS ARE LIKELY LATE SATURDAY AFTERNOON THROUGH SUNDAY
MORNING. THE STRONG WINDS AND BITTERLY COLD TEMPERATURES WILL
RESULT IN HEAVY FREEZING SPRAY IN ICE FREE AREAS.

&&

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-
870-872-874-876-878-092145-
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-
345 PM CST FRI FEB 8 2008

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

.DAY ONE...TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

STORM FORCE WINDS ARE LIKELY SATURDAY NIGHT OVER SOUTHERN
PORTIONS OF LAKE MICHIGAN. GALE FORCE WINDS ARE LIKELY SATURDAY
AFTERNOON THROUGH SUNDAY OVER MUCH OF LAKE MICHIGAN.

THE STRONG WINDS AND BITTERLY COLD TEMPERATURES WILL RESULT IN
HEAVY FREEZING SPRAY SATURDAY NIGHT INTO SUNDAY.

&&

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

IZZI