Alert archive / Illinois / Winter Storm Warnings in 2007

Winter Storm Warning 2, NWS Chicago, IL

February 12, 200712 counties in Illinois; 5 counties in Indiana

NWS Chicago, IL issued this winter storm warning at Feb 12, 2007, 4:23 AM CST for 12 counties in Illinois; 5 counties in Indiana. It took effect at Feb 13, 2007, 12:00 AM CST. It was in force for 31 hr. 60 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Feb 12, 2007, 4:23 AM CST (10:23 UTC)
In effect from
Feb 13, 2007, 12:00 AM CST
Expired
Feb 14, 2007, 7:29 AM CST
In force
31 hr
Issued by
NWS Chicago, IL

Counties DeKalb County, IL, DuPage County, IL, Ford County, IL, Grundy County, IL, Iroquois County, IL, Kane County, IL, Kankakee County, IL, Kendall County, IL, Lake County, IL, LaSalle County, IL, Lee County, IL, Livingston County, IL, Benton County, IN, Jasper County, IN, Lake County, IN, Newton County, IN, Porter County, IN

The radar

The Chicago radar (KLOT), 28 km from the middle of the area, began a volume at 10:25 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.

What was reported inside it

TimeReportWhereRemark
Feb 13, 5:00 AM CSTSNOW 1.51 Nne Sugar Grove, ILCOCORAHS REPORT
Feb 13, 6:00 AM CSTSNOW 1.5Marseilles, IL
Feb 13, 6:00 AM CSTSNOW 1.83 N Carbon Hill, ILCOCORAHS REPORT
Feb 13, 6:00 AM CSTSNOW 1.84 Nnw Coal City, IL
Feb 13, 6:00 AM CSTSNOW 2.5Remington, IN
Feb 13, 6:11 AM CSTSNOW 0E Mendota, ILI-39 MILE MARKER 72.5 SEMI TRAILER JACKKNIFED INTO OVERPASS PILLAR. MILE MARKER 75.0 SEMI TRAILER IN DITCH.
Feb 13, 6:11 AM CSTSNOW 1.5Kankakee, IL
Feb 13, 6:11 AM CSTSNOW 1.8Yorkville, IL
Feb 13, 6:11 AM CSTSNOW 3.1Dixon, IL
Feb 13, 6:11 AM CSTSNOW 3.5Morris, IL
Feb 13, 6:11 AM CSTSNOW 3.8Herscher, IL
Feb 13, 6:11 AM CSTSNOW 4.1Iroquois, IL
Feb 13, 6:45 AM CSTSNOW 31 Nne Long Grove, ILCOCORAHS REPORT
Feb 13, 7:00 AM CSTSNOW 1.12 Se Yorkville, IL
Feb 13, 7:00 AM CSTSNOW 1.2Steward, IL
Feb 13, 7:00 AM CSTSNOW 1.35 Nne Valparaiso, IN
Feb 13, 7:00 AM CSTSNOW 1.4Kankakee, IL
Feb 13, 7:00 AM CSTSNOW 1.4Mundelein, IL
Feb 13, 7:00 AM CSTSNOW 1.5Elgin, IL
Feb 13, 7:00 AM CSTSNOW 1.5Sse Bourbonnais, ILCOCORAHS REPORT
Feb 13, 7:00 AM CSTSNOW 1.7Bourbonnais, IL
Feb 13, 7:00 AM CSTSNOW 1.8Genoa, IL
Feb 13, 7:00 AM CSTSNOW 21 Nw Ottawa, ILCOCORAHS REPORT
Feb 13, 7:00 AM CSTSNOW 2Chatsworth, IL
Feb 13, 7:00 AM CSTSNOW 2Dwight, IL
Feb 13, 7:00 AM CSTSNOW 2Ottawa, IL
Feb 13, 7:00 AM CSTSNOW 2Paw Paw, IL
Feb 13, 7:00 AM CSTSNOW 2Ssw De Kalb, ILCOCORAHS REPORT
Feb 13, 7:00 AM CSTSNOW 2Watseka, IL
Feb 13, 7:00 AM CSTSNOW 2Wheaton, IN
Feb 13, 7:00 AM CSTSNOW 2.4Peru, IL
Feb 13, 7:00 AM CSTSNOW 2.5De Kalb, IL
Feb 13, 7:00 AM CSTSNOW 2.5Elburn, IL
Feb 13, 7:00 AM CSTSNOW 2.5Fairbury, IL
Feb 13, 7:00 AM CSTSNOW 2.5St. Anne, IL
Feb 13, 7:00 AM CSTSNOW 31 Ene Geneva, ILCOCORAHS REPORT
Feb 13, 7:00 AM CSTSNOW 37 Nw St. Charles, IL
Feb 13, 7:00 AM CSTSNOW 3Winfield, IL
Feb 13, 7:00 AM CSTSNOW 3.13 Wsw Batavia, ILCOCORAHS REPORT
Feb 13, 7:05 AM CSTSNOW 1.7N Oglesby, ILCOCORAHS REPORT
Feb 13, 7:25 AM CSTSNOW 3.5Ene Bourbonnais, ILCOCORAHS REPORT
Feb 13, 8:00 AM CSTSNOW 1.51 S Elgin, ILCOCORAHS REPORT
Feb 13, 8:00 AM CSTSNOW 1.5Oak Brook, IL
Feb 13, 8:11 AM CSTSNOW 3Paxton, IL
Feb 13, 8:30 AM CSTSNOW 2.2Nne Sheridan, ILCOCORAHS REPORT
Feb 13, 11:04 AM CSTSNOW 4Winfield, IL
Feb 13, 11:14 AM CSTSNOW 0Lake Village, INTHE SNOW PLOWS CANNOT KEEP UP WITH THE BLOWING AND DRIFTING SNOW ON THE ROADS IN NEWTON COUNTY DUE TO THE WINTRY CONDITIONS SO ARE TAKING THE PLOWS OF THE ROADS.
Feb 13, 11:51 AM CSTSNOW 3.5Bonfield, IL3.5 INCHES OF SNOW SINCE 7AM. VISIBILITY LESS THAN ONE QUARTER OF A MILE.
Feb 13, 12:00 PM CSTSNOW 2Kankakee, IL2 INCHES OF NEW SNOWFALL OVER THE PAST 3 HOURS. STORM TOTAL IS 5.2.
Feb 13, 1:51 PM CSTSNOW 0Bonfield, IL7 INCHES STORM TOTAL AS OF 130PM.
Feb 13, 2:00 PM CSTSNOW 0Naperville, ILWIND GUSTS 30 TO 35 MPH. COMBINATION HEAVY SNOW AND BLOWING AND DRIFTING SNOW. VISIBILITY OCCASIONALY GOING BELOW ONE QUARTER OF A MILE.
Feb 13, 2:00 PM CSTSNOW 1.5Winfield, IL1.5 OF NEW SNOWFALL OVER THE PAST 3 HOURS. STORM TOTAL 5.5. THERE IS CONSIDERABLE BLOWING AND DRIFTING SNOW. VISIBILITY IS ABOUT ONE QUARTER OF A MILE.
Feb 13, 2:00 PM CSTBLIZZARDPontiac, ILPONTIAC ISP6. VISIBILITY IS LESS THAN ONE QUARTER OF A MILE. VEHICLES ARE STRANDED AND IN DITCHES. INTERMITTENT HIGHWAY CLOSURES.
Feb 13, 2:39 PM CSTSNOW 2Kankakee, IL2 MORE INCHES OF SNOW SINCE 12PM. CONSIDERABLE BLOWING AND DRIFTING SNOW WITH VISIBILITIES UNDER ONE QUARTER OF A MILE. STORM TOTAL 7.2 INCHES.
Feb 13, 2:39 PM CSTBLIZZARDAshkum, ILIROQUIOS COUNTY ISP21. VISIBILITY HALF A BLOCK. EXTENSIVE BLOWING AND DRIFTING SNOW. ESTIMATED 8 INCHES.
Feb 13, 2:39 PM CSTBLIZZARDOttawa, ILISP17 LASALLE COUNTY. EXTENSIVE BLOWING SNOW AND DRIFTING SNOW. STORM TOTAL 4 INCHES. A FEW JACKNIFED SEMI TRAILERS AND VEHICLES IN DITCHES.
Feb 13, 3:00 PM CSTSNOW 8Rensselaer, INSTORM TOTAL 8 INCHES. ONE QUARTER MILE VISIBILITY.
Feb 13, 3:00 PM CSTBLIZZARDMorris, ILROADS EXTREMELY SLICK DUE TO SNOWPACK. SNOWPLOWS UNABLE TO KEEP UP WITH DRIFTING SNOW.
Feb 13, 3:06 PM CSTSNOW 07 W Streator, IL*** 1 FATAL *** LASALLE COUNTY ISP 17. MULTI VEHICLE CRASH ROUTE 18 AND 10TH. ROUTE 18 CLOSED.
Feb 13, 3:30 PM CSTSNOW 5Cedar Lake, INVEHICLES IN DITCHES AND VISIBILITY LOW AND ROADS SNOW PACKED ALONG 41.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 10.4 hours before the alert went out and 141 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Lincoln, IL at 00:00Z on 2007-02-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 00:00Z on 2007-02-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 204 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1576 m above ground
0-6 km bulk shear
62 kt
0-1 km storm-relative helicity
204 m²/s²
0-3 km storm-relative helicity
221 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 KLOT 121023
WSWLOT

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
423 AM CST MON FEB 12 2007

...LIGHT SNOW WILL TAPER OFF THIS MORNING BUT A POTENTIALLY
DANGEROUS WINTER STORM WILL AFFECT THE AREA MONDAY NIGHT AND
TUESDAY...

.LIGHT SNOW WILL GRADUALLY TAPER TO FLURRIES THIS MORNING AS AN
UPPER LEVEL DISTURBANCE WEAKENS ACROSS THE WESTERN GREAT LAKES
REGION. MEANWHILE...A SECOND AND MORE SIGNIFICANT WINTER STORM
DEVELOPING OVER THE SOUTHERN ROCKIES WILL MOVE INTO THE SOUTHERN
PLAINS MONDAY. THIS STORM IS THEN FORECAST TO MOVE NORTHEASTWARD
TO THE OHIO VALLEY MONDAY NIGHT AND TUESDAY. SNOW WITH THIS SECOND
SYSTEM WILL OVERSPREAD NORTHERN ILLINOIS AND NORTHWEST INDIANA
TONIGHT...WITH THE SNOW TAPERING OFF BY LATE TUESDAY AFTERNOON.
HEAVY SNOW IS POSSIBLE WITH THIS SECOND SYSTEM MONDAY NIGHT INTO
TUESDAY...ESPECIALLY ACROSS AREAS SOUTH OF INTERSTATE 88. IN
ADDITION TO THE SNOW...GUSTY NORTHEAST WINDS WILL CAUSE
CONSIDERABLE BLOWING AND DRIFTING SNOW AND DANGEROUS TRAVEL
CONDITIONS.

ILZ019>023-032-033-039-INZ001-002-010-011-019-121830-
/O.UPG.KLOT.WS.A.0002.070213T0000Z-070214T0000Z/
/O.NEW.KLOT.WS.W.0002.070213T0000Z-070214T0600Z/
LA SALLE-KENDALL-GRUNDY-WILL-KANKAKEE-LIVINGSTON-IROQUOIS-FORD-
LAKE-PORTER-NEWTON-JASPER-BENTON-
INCLUDING THE CITIES OF...OTTAWA...STREATOR...PERU...LA SALLE...
MENDOTA...MARSEILLES...OSWEGO...BOULDER HILL...YORKVILLE...
PLANO...MORRIS...COAL CITY...JOLIET...BOLINGBROOK...KANKAKEE...
BOURBONNAIS...BRADLEY...PONTIAC...DWIGHT...FAIRBURY...WATSEKA...
GILMAN...ONARGA...PAXTON...GARY...HAMMOND...EAST CHICAGO...
MERRILLVILLE...PORTAGE...VALPARAISO...CHESTERTON...KENTLAND...
MOROCCO...GOODLAND...BROOK...RENSSELAER...DE MOTTE...FOWLER...
OXFORD...BOSWELL
423 AM CST MON FEB 12 2007 /523 AM EST MON FEB 12 2007/

...WINTER STORM WARNING IN EFFECT FROM 6 PM CST /7 PM EST/ THIS
EVENING TO MIDNIGHT CST /1 AM EST/ TUESDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A WINTER STORM
WARNING...WHICH IS IN EFFECT FROM 6 PM CST /7 PM EST/ THIS
EVENING TO MIDNIGHT CST /1 AM EST/ TUESDAY NIGHT. THE WINTER
STORM WATCH IS NO LONGER IN EFFECT. 

SNOW WILL OVERSPREAD NORTHERN ILLINOIS AND NORTHWEST INDIANA LATE
TONIGHT. THE SNOW WILL BECOME HEAVY AT TIMES LATE TONIGHT INTO
TUESDAY. TOTAL STORM ACCUMULATIONS OF 8 TO 13 INCHES ARE POSSIBLE
BY LATE TUESDAY AFTERNOON SOUTH OF A PONTIAC...TO WATSEKA...TO
RENSSELAER LINE...WITH STORM TOTAL ACCUMULATIONS OF 6 TO 8 INCHES
FURTHER TO THE NORTH ACROSS THE INTERSTATE 80 CORRIDOR. NORTHEAST
WINDS WILL INCREASE TO 20 TO 30 MPH LATE TONIGHT AND CONTINUE INTO
TUESDAY...WITH GUSTS TO 40 MPH POSSIBLE. THE COMBINATION OF THE
SNOW AND STRONG WINDS WILL PRODUCE CONSIDERABLE BLOWING AND
DRIFTING SNOW AND NEAR BLIZZARD CONDITIONS ALONG WITH VERY
DANGEROUS TRAVEL CONDITIONS ACROSS THE WARNING AREA FROM LATE
TONIGHT INTO TUESDAY.

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.

$$

ILZ010>014-121830-
/O.NEW.KLOT.WS.W.0002.070213T0000Z-070214T0600Z/
LEE-DE KALB-KANE-DUPAGE-COOK-
INCLUDING THE CITIES OF...DIXON...SYCAMORE...SANDWICH...GENOA...
AURORA...ELGIN...NAPERVILLE...WHEATON...DOWNERS GROVE...
ELMHURST...LOMBARD...CAROL STREAM...HANOVER PARK...CHICAGO
423 AM CST MON FEB 12 2007

...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO
MIDNIGHT CST TUESDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A WINTER STORM
WARNING...WHICH IS IN EFFECT FROM 6 PM CST THIS EVENING TO
MIDNIGHT CST TUESDAY NIGHT. 

SNOW WILL OVERSPREAD NORTHERN ILLINOIS LATE TONIGHT INTO TUESDAY.
THE PERIOD OF HEAVIEST SNOW IS EXPECTED ON TUESDAY MORNING...WITH
THE SNOW TAPERING OFF LATE TUESDAY AFTERNOON. TOTAL STORM
ACCUMULATIONS OF AROUND 6 INCHES ARE POSSIBLE BY LATE TUESDAY
AFTERNOON. NORTHEAST WINDS WILL INCREASE TO 20 TO 30 MPH LATE
TONIGHT AND CONTINUE INTO TUESDAY...WITH GUSTS TO 40 MPH POSSIBLE.
THE COMBINATION OF THE SNOW AND STRONG WINDS WILL PRODUCE
CONSIDERABLE BLOWING AND DRIFTING SNOW ALONG WITH VERY DANGEROUS
TRAVEL CONDITIONS.

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.

$$

ILZ003>006-008-121800-
/O.NEW.KLOT.SB.Y.0001.070213T0000Z-070214T0600Z/
/O.CON.KLOT.SN.Y.0003.000000T0000Z-070212T1800Z/
WINNEBAGO-BOONE-MCHENRY-LAKE-OGLE-
INCLUDING THE CITIES OF...ROCKFORD...BELVIDERE...CRYSTAL LAKE...
ALGONQUIN...LAKE IN THE HILLS...MCHENRY...WOODSTOCK...CARY...
WAUKEGAN...BUFFALO GROVE...NORTH CHICAGO...HIGHLAND PARK...
MUNDELEIN...GURNEE...ROUND LAKE BEACH...ROCHELLE...OREGON...
MOUNT MORRIS...BYRON...POLO
423 AM CST MON FEB 12 2007

...SNOW ADVISORY REMAINS IN EFFECT UNTIL NOON CST TODAY...
...SNOW AND BLOWING SNOW ADVISORY IN EFFECT FROM 6 PM THIS
EVENING TO MIDNIGHT CST TUESDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A SNOW AND
BLOWING SNOW ADVISORY...WHICH IS IN EFFECT FROM 6 PM THIS EVENING
TO MIDNIGHT CST TUESDAY NIGHT. A SNOW ADVISORY REMAINS IN EFFECT
UNTIL NOON CST TODAY. 

A WEAK UPPER LEVEL DISTURBANCE WILL CONTINUE TO PRODUCE SOME LIGHT
SNOW THIS MORNING...BUT THE SNOW IS EXPECTED TO TAPER TO FLURRIES
BY MID MORNING. TOTAL ACCUMULATIONS OF 2 TO 4 INCHES ARE POSSIBLE
BEFORE THE SNOW TAPERS TO FLURRIES...WITH THE GREATER AMOUNTS
CLOSER TO THE ILLINOIS WISCONSIN STATELINE. SLICK ROADWAYS HAVE
BEEN REPORTED ACROSS THE AREA THIS MORNING WITH THE SNOW.

A MORE SIGNIFICANT STORM SYSTEM WILL IMPACT NORTHERN ILLINOIS
TONIGHT INTO TUESDAY. SNOW WILL OVERSPREAD NORTHERN ILLINOIS AFTER
MIDNIGHT TONIGHT...AND CONTINUE INTO TUESDAY WITH THE SNOW
TAPERING OFF BY LATE TUESDAY AFTERNOON. STORM TOTAL ACCUMULATIONS
OF 3 TO 6 INCHES ARE POSSIBLE BY LATE TUESDAY AFTERNOON. NORTHEAST
WINDS WILL STRENGTHEN TO 20 TO 30 MPH LATE TONIGHT AND CONTINUE
INTO TUESDAY WITH GUSTS TO 40 MPH POSSIBLE. THE COMBINATION OF THE
SNOW AND STRONG WINDS WILL LEAD TO CONSIDERABLE BLOWING AND
DRIFTING SNOW AND POTENTIAL DANGEROUS TRAVEL CONDITIONS. 

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.

$$
13 follow-up statements
000 
WWUS43 KLOT 121226
WSWLOT

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
626 AM CST MON FEB 12 2007

...A POTENTIALLY DANGEROUS WINTER STORM WILL AFFECT THE AREA
MONDAY NIGHT AND TUESDAY...

.A SIGNIFICANT WINTER STORM DEVELOPING OVER THE SOUTHERN ROCKIES
WILL MOVE INTO THE SOUTHERN PLAINS TODAY. THIS STORM IS THEN FORECAST
TO MOVE NORTHEASTWARD TO THE OHIO VALLEY TONIGHT AND TUESDAY. SNOW
WITH THIS SYSTEM WILL OVERSPREAD NORTHERN ILLINOIS AND NORTHWEST
INDIANA TONIGHT...WITH THE SNOW TAPERING OFF BY LATE TUESDAY
AFTERNOON. HEAVY SNOW IS POSSIBLE MONDAY NIGHT INTO
TUESDAY...ESPECIALLY ACROSS AREAS SOUTH OF INTERSTATE 88. IN
ADDITION TO THE SNOW...GUSTY NORTHEAST WINDS WILL CAUSE
CONSIDERABLE BLOWING AND DRIFTING SNOW AND DANGEROUS TRAVEL
CONDITIONS.

ILZ003>006-008-122030-
/O.CAN.KLOT.SN.Y.0003.000000T0000Z-070212T1800Z/
/O.CON.KLOT.SB.Y.0001.070213T0000Z-070214T0600Z/
WINNEBAGO-BOONE-MCHENRY-LAKE-OGLE-
INCLUDING THE CITIES OF...ROCKFORD...BELVIDERE...CRYSTAL LAKE...
ALGONQUIN...LAKE IN THE HILLS...MCHENRY...WOODSTOCK...CARY...
WAUKEGAN...BUFFALO GROVE...NORTH CHICAGO...HIGHLAND PARK...
MUNDELEIN...GURNEE...ROUND LAKE BEACH...ROCHELLE...OREGON...
MOUNT MORRIS...BYRON...POLO
626 AM CST MON FEB 12 2007

...SNOW ADVISORY IS CANCELLED...
...SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT FROM 6 PM
THIS EVENING TO MIDNIGHT CST TUESDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS CANCELLED THE SNOW
ADVISORY. A SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT FROM
6 PM THIS EVENING TO MIDNIGHT CST TUESDAY NIGHT. 

SNOW HAS TAPERED TO FLURRIES ACROSS NORTH CENTRAL AND NORTHEAST
ILLINOIS EARLY THIS MORNING. LITTLE OR NO ADDITIONAL SNOW
ACCUMULATION IS EXPECTED. THEREFORE...THE SNOW ADVISORY HAS BEEN
CANCELLED.

A MORE POTENT STORM SYSTEM WILL IMPACT NORTHERN ILLINOIS TONIGHT
INTO TUESDAY. SNOW WILL OVERSPREAD NORTHERN ILLINOIS AFTER
MIDNIGHT TONIGHT...AND CONTINUE INTO TUESDAY WITH THE SNOW
TAPERING OFF BY LATE TUESDAY AFTERNOON. STORM TOTAL ACCUMULATIONS
OF 3 TO 6 INCHES ARE POSSIBLE BY LATE TUESDAY AFTERNOON. NORTHEAST
WINDS WILL STRENGTHEN TO 20 TO 30 MPH LATE TONIGHT AND CONTINUE
INTO TUESDAY WITH GUSTS TO 40 MPH POSSIBLE. THE COMBINATION OF THE
SNOW AND STRONG WINDS WILL LEAD TO CONSIDERABLE BLOWING AND
DRIFTING SNOW AND POTENTIAL DANGEROUS TRAVEL CONDITIONS.

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.

$$

ILZ010>014-019>023-032-033-039-INZ001-002-010-011-019-122030-
/O.CON.KLOT.WS.W.0002.070213T0000Z-070214T0600Z/
LEE-DE KALB-KANE-DUPAGE-COOK-LA SALLE-KENDALL-GRUNDY-WILL-
KANKAKEE-LIVINGSTON-IROQUOIS-FORD-LAKE-PORTER-NEWTON-JASPER-
BENTON-
INCLUDING THE CITIES OF...DIXON...SYCAMORE...SANDWICH...GENOA...
AURORA...ELGIN...NAPERVILLE...WHEATON...DOWNERS GROVE...
ELMHURST...LOMBARD...CAROL STREAM...HANOVER PARK...CHICAGO...
OTTAWA...STREATOR...PERU...LA SALLE...MENDOTA...MARSEILLES...
OSWEGO...BOULDER HILL...YORKVILLE...PLANO...MORRIS...COAL CITY...
JOLIET...BOLINGBROOK...KANKAKEE...BOURBONNAIS...BRADLEY...
PONTIAC...DWIGHT...FAIRBURY...WATSEKA...GILMAN...ONARGA...
PAXTON...GARY...HAMMOND...EAST CHICAGO...MERRILLVILLE...PORTAGE...
VALPARAISO...CHESTERTON...KENTLAND...MOROCCO...GOODLAND...BROOK...
RENSSELAER...DE MOTTE...FOWLER...OXFORD...BOSWELL
626 AM CST MON FEB 12 2007 /726 AM EST MON FEB 12 2007/

...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM CST /7 PM
EST/ THIS EVENING TO MIDNIGHT CST /1 AM EST/ TUESDAY NIGHT...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM CST /7 PM EST/
THIS EVENING TO MIDNIGHT CST /1 AM EST/ TUESDAY NIGHT. 

SNOW WILL OVERSPREAD NORTHERN ILLINOIS AND NORTHWEST INDIANA LATE
TONIGHT. THE SNOW WILL BECOME HEAVY AT TIMES LATE TONIGHT INTO
TUESDAY. TOTAL STORM ACCUMULATIONS OF 8 TO 13 INCHES ARE POSSIBLE
BY LATE TUESDAY AFTERNOON SOUTH OF A PONTIAC...TO WATSEKA...TO
RENSSELAER LINE...WITH STORM TOTAL ACCUMULATIONS OF 6 TO 8 INCHES
FURTHER TO THE NORTH ACROSS THE INTERSTATE 80 CORRIDOR. NORTHEAST
WINDS WILL INCREASE TO 20 TO 30 MPH LATE TONIGHT AND CONTINUE
INTO TUESDAY...WITH GUSTS TO 40 MPH POSSIBLE. THE COMBINATION OF
THE SNOW AND STRONG WINDS WILL PRODUCE CONSIDERABLE BLOWING AND
DRIFTING SNOW AND NEAR BLIZZARD CONDITIONS ALONG WITH VERY
DANGEROUS TRAVEL CONDITIONS ACROSS THE WARNING AREA FROM LATE
TONIGHT INTO TUESDAY.

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.

$$
000 
WWUS43 KLOT 121649
WSWLOT

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1049 AM CST MON FEB 12 2007

...A POTENTIALLY DANGEROUS WINTER STORM WILL AFFECT THE AREA
MONDAY NIGHT AND TUESDAY...

.A SIGNIFICANT WINTER STORM WILL CONTINUE TO DEVELOP OVER THE
SOUTHERN PLAINS THIS AFTERNOON AND EVENING. THIS STORM IS THEN
FORECAST TO MOVE NORTHEASTWARD THROUGH THE OHIO VALLEY TUESDAY.
SNOW WITH THIS SYSTEM WILL OVERSPREAD NORTHERN ILLINOIS AND
NORTHWEST INDIANA TONIGHT...WITH THE SNOW TAPERING OFF BY LATE
TUESDAY EVENING. HEAVY SNOW IS POSSIBLE LATE TONIGHT INTO
TUESDAY AFTERNOON...ESPECIALLY ACROSS AREAS SOUTH OF INTERSTATE 
80. IN ADDITION TO THE SNOW...GUSTY NORTHEAST WINDS OF 35 MPH OR
MORE WILL CAUSE CONSIDERABLE BLOWING AND DRIFTING SNOW AND
DANGEROUS TRAVEL CONDITIONS.

ILZ010>014-019>023-032-033-039-INZ001-002-010-011-019-130100-
/O.CON.KLOT.WS.W.0002.070213T0000Z-070214T0600Z/
LEE-DE KALB-KANE-DUPAGE-COOK-LA SALLE-KENDALL-GRUNDY-WILL-
KANKAKEE-LIVINGSTON-IROQUOIS-FORD-LAKE-PORTER-NEWTON-JASPER-
BENTON-
INCLUDING THE CITIES OF...DIXON...SYCAMORE...SANDWICH...GENOA...
AURORA...ELGIN...NAPERVILLE...WHEATON...DOWNERS GROVE...
ELMHURST...LOMBARD...CAROL STREAM...HANOVER PARK...CHICAGO...
OTTAWA...STREATOR...PERU...LA SALLE...MENDOTA...MARSEILLES...
OSWEGO...BOULDER HILL...YORKVILLE...PLANO...MORRIS...COAL CITY...
JOLIET...BOLINGBROOK...KANKAKEE...BOURBONNAIS...BRADLEY...
PONTIAC...DWIGHT...FAIRBURY...WATSEKA...GILMAN...ONARGA...
PAXTON...GARY...HAMMOND...EAST CHICAGO...MERRILLVILLE...PORTAGE...
VALPARAISO...CHESTERTON...KENTLAND...MOROCCO...GOODLAND...BROOK...
RENSSELAER...DE MOTTE...FOWLER...OXFORD...BOSWELL
1049 AM CST MON FEB 12 2007 /1149 AM EST MON FEB 12 2007/

...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM CST /7 PM
EST/ THIS EVENING TO MIDNIGHT CST /1 AM EST/ TUESDAY NIGHT...

LATEST COMPUTER GUIDANCE AND CURRENT SATELLITE IMAGERY SUGGESTS
THE DEVELOPING WINTER STORM IS STILL ON ITS FORECAST TRACK.

SNOW WILL OVERSPREAD NORTHERN ILLINOIS AND NORTHWEST INDIANA LATE
THIS EVENING AND OVERNIGHT...BEGINNING SOUTH OF INTERSTATE 80 BY
MIDNIGHT...THEN SPREADING NORTHWARD TO THE WISCONSIN LINE BY
AROUND 3 AM. THE SNOW WILL BECOME HEAVY AT TIMES LATE TONIGHT
INTO TUESDAY. TOTAL STORM ACCUMULATIONS OF 8 TO 13 INCHES ARE
POSSIBLE BY LATE TUESDAY AFTERNOON SOUTH OF A PONTIAC...TO
WATSEKA...TO RENSSELAER LINE...WITH STORM TOTAL ACCUMULATIONS OF 6
TO 8 INCHES FURTHER TO THE NORTH ACROSS THE INTERSTATE 80
CORRIDOR. NORTHEAST WINDS WILL INCREASE TO 20 TO 30 MPH LATE
TONIGHT AND CONTINUE INTO TUESDAY...WITH GUSTS TO 40 MPH POSSIBLE.
THE COMBINATION OF THE SNOW AND STRONG WINDS WILL PRODUCE
CONSIDERABLE BLOWING AND DRIFTING SNOW...WITH BLIZZARD CONDITIONS
DEVELOPING IN SOME AREAS. TRAVEL CONDITIONS ARE EXPECTED TO
DETERIORATE LATE TONIGHT WITH VERY DANGEROUS TRAVEL CONDITIONS
DEVELOPING ACROSS THE WARNING AREA.

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.

THE NEXT STATEMENT ON THIS DEVELOPING STORM WILL BE ISSUED AROUND
4 PM THIS AFTERNOON. 

$$

ILZ003>006-008-130100-
/O.CON.KLOT.SB.Y.0001.070213T0000Z-070214T0600Z/
WINNEBAGO-BOONE-MCHENRY-LAKE-OGLE-
INCLUDING THE CITIES OF...ROCKFORD...BELVIDERE...CRYSTAL LAKE...
ALGONQUIN...LAKE IN THE HILLS...MCHENRY...WOODSTOCK...CARY...
WAUKEGAN...BUFFALO GROVE...NORTH CHICAGO...HIGHLAND PARK...
MUNDELEIN...GURNEE...ROUND LAKE BEACH...ROCHELLE...OREGON...
MOUNT MORRIS...BYRON...POLO
1049 AM CST MON FEB 12 2007

...SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT FROM 6 PM
THIS EVENING TO MIDNIGHT CST TUESDAY NIGHT...

A POTENT STORM SYSTEM WILL IMPACT NORTHERN ILLINOIS TONIGHT
INTO TUESDAY. 

LATEST COMPUTER GUIDANCE AND CURRENT SATELLITE IMAGERY SUGGESTS
THE DEVELOPING WINTER STORM IS STILL ON ITS FORECAST TRACK.
THIS MEANS SNOW WILL OVERSPREAD NORTHERN ILLINOIS LATE THIS
EVENING AND OVERNIGHT...BEGINNING BY AROUND 3 AM. SNOW WILL THEN
CONINUE INTO TUESDAY AFTERNOON BEFORE TAPERING OFF TO FLURRIES BY
EVENING. STORM TOTAL ACCUMULATIONS OF 3 TO 6 INCHES ARE POSSIBLE
BY TUESDAY EVENING. NORTHEAST WINDS WILL STRENGTHEN TO 20 TO 30
MPH LATE TONIGHT AND CONTINUE INTO TUESDAY WITH GUSTS TO 40 MPH
POSSIBLE. THE COMBINATION OF THE SNOW AND STRONG WINDS WILL LEAD
TO CONSIDERABLE BLOWING AND DRIFTING SNOW AND POTENTIAL DANGEROUS
TRAVEL CONDITIONS.

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.

THE NEXT STATEMENT ON THIS DEVELOPING STORM WILL BE ISSUED AROUND
4 PM THIS AFTERNOON. 

$$

MERZLOCK
000 
WWUS43 KLOT 122154
WSWLOT

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
354 PM CST MON FEB 12 2007

...A POTENTIALLY DANGEROUS WINTER STORM WILL AFFECT THE AREA
MONDAY NIGHT AND TUESDAY...

.A SIGNIFICANT WINTER STORM WILL CONTINUE TO DEVELOP OVER THE
SOUTHERN PLAINS TONIGHT...AS IT MOVES TOWARD THE LOWER OHIO VALLEY.
THIS STORM IS THEN FORECAST TO MOVE NORTHEASTWARD THROUGH THE
OHIO VALLEY TUESDAY AND TUESDAY NIGHT. SNOW WITH THIS SYSTEM WILL
OVERSPREAD NORTHERN ILLINOIS AND NORTHWEST INDIANA LATE TONIGHT
WITH THE SNOW TAPERING OFF BY TUESDAY EVENING. HEAVY SNOW IS
POSSIBLE LATE TONIGHT INTO TUESDAY AFTERNOON...ESPECIALLY ACROSS
AREAS SOUTH OF INTERSTATE 80. IN ADDITION TO THE SNOW...GUSTY
NORTHEAST WINDS OF 35 MPH OR MORE WILL CAUSE CONSIDERABLE BLOWING
AND DRIFTING SNOW AND DANGEROUS TRAVEL CONDITIONS.

ILZ010>014-019>023-032-033-039-INZ001-002-010-011-019-130600-
/O.EXT.KLOT.WS.W.0002.070213T0600Z-070214T0600Z/
LEE-DE KALB-KANE-DUPAGE-COOK-LA SALLE-KENDALL-GRUNDY-WILL-
KANKAKEE-LIVINGSTON-IROQUOIS-FORD-LAKE-PORTER-NEWTON-JASPER-
BENTON-
INCLUDING THE CITIES OF...DIXON...SYCAMORE...SANDWICH...GENOA...
AURORA...ELGIN...NAPERVILLE...WHEATON...DOWNERS GROVE...
ELMHURST...LOMBARD...CAROL STREAM...HANOVER PARK...CHICAGO...
OTTAWA...STREATOR...PERU...LA SALLE...MENDOTA...MARSEILLES...
OSWEGO...BOULDER HILL...YORKVILLE...PLANO...MORRIS...COAL CITY...
JOLIET...BOLINGBROOK...KANKAKEE...BOURBONNAIS...BRADLEY...
PONTIAC...DWIGHT...FAIRBURY...WATSEKA...GILMAN...ONARGA...
PAXTON...GARY...HAMMOND...EAST CHICAGO...MERRILLVILLE...PORTAGE...
VALPARAISO...CHESTERTON...KENTLAND...MOROCCO...GOODLAND...BROOK...
RENSSELAER...DE MOTTE...FOWLER...OXFORD...BOSWELL
354 PM CST MON FEB 12 2007 /454 PM EST MON FEB 12 2007/

...WINTER STORM WARNING NOW IN EFFECT FROM MIDNIGHT CST /1 AM
EST/ TONIGHT TO MIDNIGHT CST /1 AM EST/ TUESDAY NIGHT...

SNOW WILL OVERSPREAD NORTHERN ILLINOIS AND NORTHWEST INDIANA LATE
THIS EVENING AND OVERNIGHT...BEGINNING SOUTH OF INTERSTATE 80 BY
MIDNIGHT...THEN SPREADING NORTHWARD TO THE WISCONSIN LINE BY
AROUND 3 AM. THE SNOW WILL BECOME HEAVY AT TIMES LATE TONIGHT INTO
TUESDAY. TOTAL STORM ACCUMULATIONS OF 8 TO 12 INCHES ARE POSSIBLE
BY LATE TUESDAY AFTERNOON SOUTH OF A PONTIAC...TO WATSEKA...TO
RENSSELAER LINE...WITH STORM TOTAL ACCUMULATIONS OF 6 TO 8 INCHES
FURTHER TO THE NORTH ACROSS THE INTERSTATE 80 CORRIDOR. NORTHEAST
WINDS WILL INCREASE TO 20 TO 30 MPH LATE TONIGHT AND CONTINUE INTO
TUESDAY...WITH GUSTS TO 40 MPH POSSIBLE. THE COMBINATION OF THE
SNOW AND STRONG WINDS WILL PRODUCE CONSIDERABLE BLOWING AND
DRIFTING SNOW...WITH BLIZZARD CONDITIONS DEVELOPING IN SOME AREAS.
TRAVEL CONDITIONS ARE EXPECTED TO DETERIORATE LATE TONIGHT.

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.

THE NEXT STATEMENT ON THIS DEVELOPING STORM WILL BE ISSUED AROUND
10 PM THIS EVENING.

$$

ILZ003>006-008-130600-
/O.EXT.KLOT.SB.Y.0001.070213T0600Z-070214T0600Z/
WINNEBAGO-BOONE-MCHENRY-LAKE-OGLE-
INCLUDING THE CITIES OF...ROCKFORD...BELVIDERE...CRYSTAL LAKE...
ALGONQUIN...LAKE IN THE HILLS...MCHENRY...WOODSTOCK...CARY...
WAUKEGAN...BUFFALO GROVE...NORTH CHICAGO...HIGHLAND PARK...
MUNDELEIN...GURNEE...ROUND LAKE BEACH...ROCHELLE...OREGON...
MOUNT MORRIS...BYRON...POLO
354 PM CST MON FEB 12 2007

...SNOW AND BLOWING SNOW ADVISORY NOW IN EFFECT FROM MIDNIGHT
TONIGHT TO MIDNIGHT CST TUESDAY NIGHT...

SNOW WILL OVERSPREAD NORTHERN ILLINOIS OVERNIGHT...BEGINNING BY
AROUND 3 AM. SNOW WILL THEN CONINUE INTO TUESDAY AFTERNOON BEFORE
TAPERING OFF TO FLURRIES BY EVENING. STORM TOTAL ACCUMULATIONS OF
3 TO 6 INCHES ARE EXPECTED BY TUESDAY EVENING. NORTHEAST WINDS
WILL STRENGTHEN TO 20 TO 30 MPH LATE TONIGHT AND CONTINUE INTO
TUESDAY WITH GUSTS TO 40 MPH POSSIBLE. THIS NEW SNOW...IN
ADDITION TO THE 2 TO 4 INCHES OF FRESH POWDER FROM LAST NIGHTS
SNOW...WILL COMBINE WITH STRONG WINDS...TO CREATE CONSIDERABLE
BLOWING AND DRIFTING SNOW AND POTENTIALLY DANGEROUS TRAVEL
CONDITIONS.

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.

THE NEXT STATEMENT ON THIS DEVELOPING STORM WILL BE ISSUED AROUND
10 PM THIS AFTERNOON.

$$

MERZLOCK
000 
WWUS43 KLOT 130411
WSWLOT

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1011 PM CST MON FEB 12 2007

...A POTENTIALLY DANGEROUS WINTER STORM WILL AFFECT THE AREA
THROUGH TUESDAY NIGHT...

.A SIGNIFICANT WINTER STORM CONTINUES TO DEVELOP OVER THE SOUTHERN
PLAINS TONIGHT...AS IT MOVES TOWARD THE LOWER OHIO VALLEY. THIS
STORM IS THEN FORECAST TO MOVE NORTHEASTWARD THROUGH THE OHIO
VALLEY TUESDAY AND TUESDAY NIGHT. SNOW WITH THIS SYSTEM WILL
SPREAD NORTHERN ILLINOIS AND NORTHWEST INDIANA DURING THE EARLY
MORNING HOURS WITH THE SNOW TAPERING OFF BY TUESDAY EVENING. HEAVY
SNOW IS POSSIBLE THROUGH TUESDAY AFTERNOON...ESPECIALLY ACROSS
AREAS SOUTH OF INTERSTATE 80. IN ADDITION TO THE SNOW...GUSTY
NORTHEAST WINDS OF 35 MPH OR MORE WILL CAUSE CONSIDERABLE BLOWING
AND DRIFTING SNOW AND DANGEROUS TRAVEL CONDITIONS.

ILZ010>014-019>023-032-033-039-INZ001-002-010-011-019-131215-
/O.CON.KLOT.WS.W.0002.070213T0600Z-070214T0600Z/
LEE-DE KALB-KANE-DUPAGE-COOK-LA SALLE-KENDALL-GRUNDY-WILL-
KANKAKEE-LIVINGSTON-IROQUOIS-FORD-LAKE-PORTER-NEWTON-JASPER-
BENTON-
INCLUDING THE CITIES OF...DIXON...SYCAMORE...SANDWICH...GENOA...
AURORA...ELGIN...NAPERVILLE...WHEATON...DOWNERS GROVE...
ELMHURST...LOMBARD...CAROL STREAM...HANOVER PARK...CHICAGO...
OTTAWA...STREATOR...PERU...LA SALLE...MENDOTA...MARSEILLES...
OSWEGO...BOULDER HILL...YORKVILLE...PLANO...MORRIS...COAL CITY...
JOLIET...BOLINGBROOK...KANKAKEE...BOURBONNAIS...BRADLEY...
PONTIAC...DWIGHT...FAIRBURY...WATSEKA...GILMAN...ONARGA...
PAXTON...GARY...HAMMOND...EAST CHICAGO...MERRILLVILLE...PORTAGE...
VALPARAISO...CHESTERTON...KENTLAND...MOROCCO...GOODLAND...BROOK...
RENSSELAER...DE MOTTE...FOWLER...OXFORD...BOSWELL
1011 PM CST MON FEB 12 2007 /1111 PM EST MON FEB 12 2007/

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST
/1 AM EST/ TUESDAY NIGHT...

SNOW WILL OVERSPREAD NORTHERN ILLINOIS AND NORTHWEST INDIANA
OVERNIGHT...WITH THE HEAVIER SNOW BEGINNING SOUTH OF INTERSTATE
80 BY AROUND 2 AM...THEN SPREADING NORTHWARD TO THE WISCONSIN LINE
BY AROUND 4 AM. THE SNOW WILL BECOME HEAVY AT TIMES LATE TONIGHT
INTO TUESDAY. TOTAL STORM ACCUMULATIONS OF 8 TO 12 INCHES ARE
POSSIBLE BY LATE TUESDAY AFTERNOON SOUTH OF A PONTIAC...TO
WATSEKA...TO RENSSELAER LINE...WITH STORM TOTAL ACCUMULATIONS OF 6
TO 8 INCHES FURTHER TO THE NORTH ACROSS THE INTERSTATE 80
CORRIDOR. NORTHEAST WINDS WILL INCREASE TO 20 TO 30 MPH LATE
TONIGHT AND CONTINUE INTO TUESDAY...WITH GUSTS TO 40 MPH POSSIBLE.
THE COMBINATION OF THE SNOW AND STRONG WINDS WILL PRODUCE
CONSIDERABLE BLOWING AND DRIFTING SNOW...WITH BLIZZARD CONDITIONS
DEVELOPING IN SOME AREAS. TRAVEL CONDITIONS ARE EXPECTED TO
DETERIORATE LATE TONIGHT.

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. STAY
INDOORS AND AVOID TRAVEL IF POSSIBLE.

THE NEXT STATEMENT ON THIS DEVELOPING STORM WILL BE ISSUED AROUND
4 AM TUESDAY MORNING.

$$

ILZ003>006-008-131215-
/O.CON.KLOT.SB.Y.0001.070213T0600Z-070214T0600Z/
WINNEBAGO-BOONE-MCHENRY-LAKE-OGLE-
INCLUDING THE CITIES OF...ROCKFORD...BELVIDERE...CRYSTAL LAKE...
ALGONQUIN...LAKE IN THE HILLS...MCHENRY...WOODSTOCK...CARY...
WAUKEGAN...BUFFALO GROVE...NORTH CHICAGO...HIGHLAND PARK...
MUNDELEIN...GURNEE...ROUND LAKE BEACH...ROCHELLE...OREGON...
MOUNT MORRIS...BYRON...POLO
1011 PM CST MON FEB 12 2007

...SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL
MIDNIGHT CST TUESDAY NIGHT...

SNOW WILL OVERSPREAD NORTHERN ILLINOIS OVERNIGHT...BEGINNING BY
AROUND 3 AM. SNOW WILL THEN CONTINUE INTO TUESDAY AFTERNOON BEFORE
TAPERING OFF TO FLURRIES BY EVENING. STORM TOTAL ACCUMULATIONS OF
3 TO 6 INCHES ARE EXPECTED BY TUESDAY EVENING. NORTHEAST WINDS
WILL STRENGTHEN TO 20 TO 30 MPH LATE TONIGHT AND CONTINUE INTO
TUESDAY WITH GUSTS TO 40 MPH POSSIBLE. THIS NEW SNOW...IN ADDITION
TO THE 2 TO 4 INCHES OF FRESH POWDER FROM LAST NIGHTS SNOW...WILL
COMBINE WITH STRONG WINDS...TO CREATE CONSIDERABLE BLOWING AND
DRIFTING SNOW AND DANGEROUS TRAVEL CONDITIONS.

A SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT
CST TUESDAY NIGHT. 

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.

THE NEXT STATEMENT ON THIS DEVELOPING STORM WILL BE ISSUED AROUND
4 AM TUESDAY MORNING.

$$
000 
WWUS43 KLOT 131024
WSWLOT

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
424 AM CST TUE FEB 13 2007

...A DANGEROUS WINTER STORM WILL AFFECT THE AREA TODAY AND TONIGHT...

.A SIGNIFICANT WINTER STORM WILL CONTINUE TO TAKE SHAPE ACROSS THE
PLAINS AND MIDDLE MISSISSIPPI RIVER VALLEY TODAY. SNOW ACROSS
NORTHERN ILLINOIS AND NORTHWEST INDIANA WILL INCREASE IN INTENSITY
THROUGH THE MORNING HOURS. THE HEAVIEST SNOWFALL AMOUNTS WILL
OCCUR SOUTH OF INTERSTATE 80. THE SNOW WILL TAPER OFF TO LIGHT SNOW
THIS EVENING. IN ADDITION TO THE SNOW...STRONG NORTHEAST WINDS OF
20 TO 30 MPH WITH GUSTS TO 40 MPH WILL RESULT IN WIDESPREAD
BLOWING AND DRIFTING SNOW MAKING TRAVEL EXTREMELY DANGEROUS.

ILZ023-032-033-039-INZ010-011-019-131830-
/O.CAN.KLOT.WS.W.0002.000000T0000Z-070214T0600Z/
/O.NEW.KLOT.BZ.W.0001.070213T1024Z-070214T0600Z/
KANKAKEE-LIVINGSTON-IROQUOIS-FORD-NEWTON-JASPER-BENTON-
INCLUDING THE CITIES OF...KANKAKEE...BOURBONNAIS...BRADLEY...
PONTIAC...DWIGHT...FAIRBURY...WATSEKA...GILMAN...ONARGA...
PAXTON...KENTLAND...MOROCCO...GOODLAND...BROOK...RENSSELAER...
DE MOTTE...FOWLER...OXFORD...BOSWELL
424 AM CST TUE FEB 13 2007 /524 AM EST TUE FEB 13 2007/

...WINTER STORM WARNING IS CANCELLED...
...BLIZZARD WARNING IN EFFECT UNTIL MIDNIGHT CST /1 AM EST/
TONIGHT...

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT UNTIL MIDNIGHT CST /1 AM EST/
TONIGHT. THE WINTER STORM WARNING HAS BEEN CANCELLED. 

SNOW WILL BECOME HEAVY ACROSS THE AREA THIS MORNING...WITH 6 TO 10
INCHES OF SNOW ACCUMULATION POSSIBLE BY LATE THIS AFTERNOON. THE
SNOW IS EXPECTED TO DIMINISH IN INTENSITY THIS EVENING...WITH AN
ADDITIONAL 1 TO 2 INCHES OF SNOW ACCUMULATION...BRINGING THE STORM
TOTAL SNOWFALL AMOUNTS OF 8 TO 12 INCHES. IN ADDITION TO THE
SNOW...NORTHEAST WINDS WILL INCREASE TO 20 TO 30 MPH THIS MORNING
WITH GUSTS TO 40 MPH POSSIBLE LEADING TO BLOWING AND DRIFTING
SNOW. THE COMBINATION OF THE SNOW AND BLOWING SNOW WILL PRODUCE
WHITEOUT CONDITIONS ACROSS MANY AREAS TODAY INTO THIS EVENING
MAKING FOR VERY DANGEROUS TRAVEL CONDITIONS.

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE.

$$

ILZ010>014-019>022-INZ001-002-131830-
/O.CON.KLOT.WS.W.0002.000000T0000Z-070214T0600Z/
LEE-DE KALB-KANE-DUPAGE-COOK-LA SALLE-KENDALL-GRUNDY-WILL-LAKE-
PORTER-
INCLUDING THE CITIES OF...DIXON...SYCAMORE...SANDWICH...GENOA...
AURORA...ELGIN...NAPERVILLE...WHEATON...DOWNERS GROVE...
ELMHURST...LOMBARD...CAROL STREAM...HANOVER PARK...CHICAGO...
OTTAWA...STREATOR...PERU...LA SALLE...MENDOTA...MARSEILLES...
OSWEGO...BOULDER HILL...YORKVILLE...PLANO...MORRIS...COAL CITY...
JOLIET...BOLINGBROOK...GARY...HAMMOND...EAST CHICAGO...
MERRILLVILLE...PORTAGE...VALPARAISO...CHESTERTON
424 AM CST TUE FEB 13 2007

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...

SNOW WILL CONTINUE TO INTENSIFY ACROSS THE AREA THIS MORNING.
SNOWFALL ACCUMULATIONS OF 3 TO 7 INCHES ARE POSSIBLE ACROSS THE
AREA TODAY...WITH THE GREATER SNOWFALL ACCUMULATIONS CLOSER TO
INTERSTATE 80...WITH THE LESSER AMOUNTS TO THE NORTH OF INTERSTATE
88 IN NORTHERN ILLINOIS. THE SNOW WILL DECREASE IN INTENSITY BY
LATE THIS AFTERNOON...WITH AN ADDITIONAL 1 TO 2 INCHES OF SNOW
ACCUMULATION TONIGHT. IN ADDITION TO THE SNOW...NORTHEAST WINDS
WILL INCREASE TO 20 TO 30 MPH WITH HIGHER GUSTS PRODUCING BLOWING
AND DRIFTING SNOW AND DANGEROUS TRAVEL CONDITIONS.

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. STAY
INDOORS AND AVOID TRAVEL IF POSSIBLE.


$$

ILZ003>006-008-131830-
/O.CON.KLOT.SB.Y.0001.000000T0000Z-070214T0600Z/
WINNEBAGO-BOONE-MCHENRY-LAKE-OGLE-
INCLUDING THE CITIES OF...ROCKFORD...BELVIDERE...CRYSTAL LAKE...
ALGONQUIN...LAKE IN THE HILLS...MCHENRY...WOODSTOCK...CARY...
WAUKEGAN...BUFFALO GROVE...NORTH CHICAGO...HIGHLAND PARK...
MUNDELEIN...GURNEE...ROUND LAKE BEACH...ROCHELLE...OREGON...
MOUNT MORRIS...BYRON...POLO
424 AM CST TUE FEB 13 2007

...SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL
MIDNIGHT CST TONIGHT...

SNOW WILL CONTINUE ACROSS THE AREA TODAY...WITH SNOW ACCUMULATIONS
OF 1 TO 3 INCHES EXPECTED. IN ADDITION TO THE SNOW...NORTHEAST
WINDS OF 20 TO 30 MPH WITH HIGHER GUSTS WILL PRODUCE BLOWING AND
DRIFTING SNOW MAKING FOR DANGEROUS TRAVEL CONDITIONS TODAY. LIGHT
SNOW WILL LINGER INTO THIS EVENING...WITH AN ADDITIONAL INCH OF
SNOW ACCUMULATION POSSIBLE ESPECIALLY ACROSS FAR NORTHEAST
ILLINOIS. BLOWING AND DRIFTING SNOW WILL STILL PRODUCE HAZARDOUS
TRAVEL CONDITIONS. TONIGHT.

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.


$$
000 
WWUS43 KLOT 131237
WSWLOT

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
637 AM CST TUE FEB 13 2007

...A DANGEROUS WINTER STORM WILL AFFECT THE AREA TODAY AND
TONIGHT...

.A SIGNIFICANT WINTER STORM WILL CONTINUE TO TAKE SHAPE ACROSS
THE PLAINS AND MIDDLE MISSISSIPPI RIVER VALLEY TODAY. SNOW ACROSS
NORTHERN ILLINOIS AND NORTHWEST INDIANA WILL INCREASE IN
INTENSITY THROUGH THE MORNING HOURS. THE HEAVIEST SNOWFALL
AMOUNTS WILL OCCUR SOUTH OF INTERSTATE 80. THE SNOW WILL TAPER
OFF TO LIGHT SNOW THIS EVENING. IN ADDITION TO THE SNOW...STRONG
NORTHEAST WINDS OF 20 TO 30 MPH WITH GUSTS TO 40 MPH WILL RESULT
IN WIDESPREAD BLOWING AND DRIFTING SNOW MAKING TRAVEL EXTREMELY
DANGEROUS.

ILZ023-032-033-039-INZ010-011-019-132045-
/O.CON.KLOT.BZ.W.0001.000000T0000Z-070214T0600Z/
KANKAKEE-LIVINGSTON-IROQUOIS-FORD-NEWTON-JASPER-BENTON-
INCLUDING THE CITIES OF...KANKAKEE...BOURBONNAIS...BRADLEY...
PONTIAC...DWIGHT...FAIRBURY...WATSEKA...GILMAN...ONARGA...
PAXTON...KENTLAND...MOROCCO...GOODLAND...BROOK...RENSSELAER...
DE MOTTE...FOWLER...OXFORD...BOSWELL
637 AM CST TUE FEB 13 2007 /737 AM EST TUE FEB 13 2007/

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST /1 AM
EST/ TONIGHT...

SNOW WILL BECOME HEAVY ACROSS THE AREA THIS MORNING...WITH 6 TO
10 INCHES OF SNOW ACCUMULATION POSSIBLE BY LATE THIS AFTERNOON.
THE SNOW IS EXPECTED TO DIMINISH IN INTENSITY THIS EVENING...WITH
AN ADDITIONAL 1 TO 2 INCHES OF SNOW ACCUMULATION...BRINGING THE
STORM TOTAL SNOWFALL AMOUNTS OF 8 TO 12 INCHES. IN ADDITION TO THE
SNOW...NORTHEAST WINDS WILL INCREASE TO 20 TO 30 MPH THIS MORNING
WITH GUSTS TO 40 MPH POSSIBLE LEADING TO BLOWING AND DRIFTING
SNOW. THE COMBINATION OF THE SNOW AND BLOWING SNOW WILL PRODUCE
WHITEOUT CONDITIONS ACROSS MANY AREAS TODAY INTO THIS EVENING
MAKING FOR VERY DANGEROUS TRAVEL CONDITIONS.

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE.

$$

ILZ010>014-019>022-INZ001-002-132045-
/O.CON.KLOT.WS.W.0002.000000T0000Z-070214T0600Z/
LEE-DE KALB-KANE-DUPAGE-COOK-LA SALLE-KENDALL-GRUNDY-WILL-LAKE-
PORTER-
INCLUDING THE CITIES OF...DIXON...SYCAMORE...SANDWICH...GENOA...
AURORA...ELGIN...NAPERVILLE...WHEATON...DOWNERS GROVE...
ELMHURST...LOMBARD...CAROL STREAM...HANOVER PARK...CHICAGO...
OTTAWA...STREATOR...PERU...LA SALLE...MENDOTA...MARSEILLES...
OSWEGO...BOULDER HILL...YORKVILLE...PLANO...MORRIS...COAL CITY...
JOLIET...BOLINGBROOK...GARY...HAMMOND...EAST CHICAGO...
MERRILLVILLE...PORTAGE...VALPARAISO...CHESTERTON
637 AM CST TUE FEB 13 2007

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...

SNOW WILL CONTINUE TO INTENSIFY ACROSS THE AREA THIS MORNING.
SNOWFALL ACCUMULATIONS OF 4 TO 7 INCHES ARE POSSIBLE ACROSS THE
AREA TODAY...WITH THE GREATER SNOWFALL ACCUMULATIONS CLOSER TO
INTERSTATE 80...WITH THE LESSER AMOUNTS TO THE NORTH OF INTERSTATE
88 IN NORTHERN ILLINOIS. THE SNOW WILL DECREASE IN INTENSITY BY
LATE THIS AFTERNOON...WITH AN ADDITIONAL 1 TO 2 INCHES OF SNOW
ACCUMULATION TONIGHT. IN ADDITION TO THE SNOW...NORTHEAST WINDS
WILL INCREASE TO 20 TO 30 MPH WITH HIGHER GUSTS PRODUCING BLOWING
AND DRIFTING SNOW AND DANGEROUS TRAVEL CONDITIONS.

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. STAY
INDOORS AND AVOID TRAVEL IF POSSIBLE.

$$

ILZ003>006-008-132045-
/O.CON.KLOT.SB.Y.0001.000000T0000Z-070214T0600Z/
WINNEBAGO-BOONE-MCHENRY-LAKE-OGLE-
INCLUDING THE CITIES OF...ROCKFORD...BELVIDERE...CRYSTAL LAKE...
ALGONQUIN...LAKE IN THE HILLS...MCHENRY...WOODSTOCK...CARY...
WAUKEGAN...BUFFALO GROVE...NORTH CHICAGO...HIGHLAND PARK...
MUNDELEIN...GURNEE...ROUND LAKE BEACH...ROCHELLE...OREGON...
MOUNT MORRIS...BYRON...POLO
637 AM CST TUE FEB 13 2007

...SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL
MIDNIGHT CST TONIGHT...

SNOW WILL CONTINUE ACROSS THE AREA TODAY...WITH SNOW ACCUMULATIONS
OF 2 TO 4 INCHES EXPECTED BY LATE AFTERNOON. IN ADDITION TO THE
SNOW...NORTHEAST WINDS OF 20 TO 30 MPH WITH HIGHER GUSTS WILL
PRODUCE BLOWING AND DRIFTING SNOW MAKING FOR DANGEROUS TRAVEL
CONDITIONS TODAY. LIGHT SNOW WILL LINGER INTO THIS EVENING...WITH
AN ADDITIONAL INCH OF SNOW ACCUMULATION POSSIBLE. BLOWING AND
DRIFTING SNOW WILL CONTINUE TO PRODUCE HAZARDOUS TRAVEL CONDITIONS.
TONIGHT.

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.

$$
000 
WWUS43 KLOT 131635
WSWLOT

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1035 AM CST TUE FEB 13 2007

...A DANGEROUS WINTER STORM WILL IMPACT THE REGION THROUGH
TONIGHT...

.A SIGNIFICANT AND GATHERING WINTER STORM OVER THE OHIO VALLEY
WILL BRING INCREASINGLY HAZARDOUS WINTER WEATHER TO NORTHERN
ILLINOIS AND NORTHWEST INDIANA THIS AFTERNOON AND EVENING. SNOW
AND STRONG NORTHEAST WINDS OF 20 TO 30 MPH WITH GUSTS TO 40 MPH
WILL RESULT IN WIDESPREAD BLOWING AND DRIFTING SNOW...MAKING
TRAVEL EXTREMELY DANGEROUS. THE SNOW WILL TAPER OFF LATE TONIGHT.

ILZ023-032-033-039-INZ010-011-019-140045-
/O.CON.KLOT.BZ.W.0001.000000T0000Z-070214T0600Z/
KANKAKEE-LIVINGSTON-IROQUOIS-FORD-NEWTON-JASPER-BENTON-
INCLUDING THE CITIES OF...KANKAKEE...BOURBONNAIS...BRADLEY...
PONTIAC...DWIGHT...FAIRBURY...WATSEKA...GILMAN...ONARGA...
PAXTON...KENTLAND...MOROCCO...GOODLAND...BROOK...RENSSELAER...
DE MOTTE...FOWLER...OXFORD...BOSWELL
1035 AM CST TUE FEB 13 2007 /1135 AM EST TUE FEB 13 2007/

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST /1 AM
EST/ TONIGHT...

SNOW...HEAVY AT TIMES THIS AFTERNOON...WILL CONTINUE THROUGH THE
EVENING. AS OF LATE THIS MORNING...REPORTS INDICATED 2 TO 4 INCHES
OF SNOW HAD FALLEN ACROSS THE AREA. AN ADDITIONAL 4 TO 8 INCHES OF
SNOW IS EXPECTED THIS AFTERNOON AND EVENING...RESULTING IN STORM
TOTAL SNOWFALL OF 6 TO 12 INCHES. THE SNOW COMBINED WITH NORTHEAST
WINDS OF 20 TO 30 MPH ALONG WITH GUSTS TO 40 MPH...WILL REDUCE
VISIBILITY TO NEAR ZERO AT TIMES.

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE.

$$

ILZ010>014-019>022-INZ001-002-140045-
/O.CON.KLOT.WS.W.0002.000000T0000Z-070214T0600Z/
LEE-DE KALB-KANE-DUPAGE-COOK-LA SALLE-KENDALL-GRUNDY-WILL-LAKE-
PORTER-
INCLUDING THE CITIES OF...DIXON...SYCAMORE...SANDWICH...GENOA...
AURORA...ELGIN...NAPERVILLE...WHEATON...DOWNERS GROVE...
ELMHURST...LOMBARD...CAROL STREAM...HANOVER PARK...CHICAGO...
OTTAWA...STREATOR...PERU...LA SALLE...MENDOTA...MARSEILLES...
OSWEGO...BOULDER HILL...YORKVILLE...PLANO...MORRIS...COAL CITY...
JOLIET...BOLINGBROOK...GARY...HAMMOND...EAST CHICAGO...
MERRILLVILLE...PORTAGE...VALPARAISO...CHESTERTON
1035 AM CST TUE FEB 13 2007

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...

SNOW WILL CONTINUE TO INTENSIFY THROUGH THE AFTERNOON. AS OF LATE
THIS MORNING...REPORTS INDICATED 2 TO 4 INCHES OF SNOW HAD FALLEN
ACROSS THE AREA. AN ADDITIONAL 2 TO 4 INCHES OF SNOW IS EXPECTED
THIS AFTERNOON AND EVENING...RESULTING IN STORM TOTAL SNOWFALL OF
4 TO 8 INCHES. THE GREATEST SNOWFALL AMOUNTS WILL BE ALONG
INTERSTATE 80 WHILE THE LESSER AMOUNTS WILL BE GENERALLY NORTH OF
INTERSTATE 88. THE SNOW WILL DECREASE IN INTENSITY LATE THIS
EVENING. SNOW COMBINED WITH NORTHEAST WINDS OF 20 TO 30 MPH ALONG
WITH HIGHER GUSTS WILL PRODUCE CONSIDERABLE BLOWING AND DRIFTING
SNOW AND DANGEROUS TRAVEL CONDITIONS.

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.
STAY INDOORS AND AVOID TRAVEL IF POSSIBLE.

$$

ILZ003>006-008-140045-
/O.CON.KLOT.SB.Y.0001.000000T0000Z-070214T0600Z/
WINNEBAGO-BOONE-MCHENRY-LAKE-OGLE-
INCLUDING THE CITIES OF...ROCKFORD...BELVIDERE...CRYSTAL LAKE...
ALGONQUIN...LAKE IN THE HILLS...MCHENRY...WOODSTOCK...CARY...
WAUKEGAN...BUFFALO GROVE...NORTH CHICAGO...HIGHLAND PARK...
MUNDELEIN...GURNEE...ROUND LAKE BEACH...ROCHELLE...OREGON...
MOUNT MORRIS...BYRON...POLO
1035 AM CST TUE FEB 13 2007

...SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL
MIDNIGHT CST TONIGHT...

SNOW WILL CONTINUE ACROSS THE AREA THIS AFTERNOON AND EVENING. AS
OF LATE MORNING...SNOWFALL AMOUNTS UP TO AN INCH OR TWO HAD BEEN
REPORTED. ADDITIONAL SNOWFALL AMOUNTS OF 1 TO 2 INCHES ARE
EXPECTED THROUGH THIS EVENING...RESULTING IN STORM TOTAL
ACCUMULATIONS OF 2 TO 4 INCHES. IN ADDITION TO THE SNOW...
NORTHEAST WINDS OF 20 TO 30 MPH ALONG WITH HIGHER GUSTS WILL
PRODUCE CONSIDERABLE BLOWING AND DRIFTING SNOW MAKING FOR
DANGEROUS TRAVEL CONDITIONS. BLOWING AND DRIFTING SNOW WILL
CONTINUE TO PRODUCE HAZARDOUS TRAVEL CONDITIONS TONIGHT.

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.

$$
HANDEL
000 
WWUS43 KLOT 131718
WSWLOT

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1118 AM CST TUE FEB 13 2007

...A DANGEROUS WINTER STORM WILL IMPACT THE REGION THROUGH
TONIGHT...

.A SIGNIFICANT AND GATHERING WINTER STORM OVER THE OHIO VALLEY
WILL BRING INCREASINGLY HAZARDOUS WINTER WEATHER TO NORTHERN
ILLINOIS AND NORTHWEST INDIANA THIS AFTERNOON AND EVENING. SNOW
AND STRONG NORTHEAST WINDS OF 20 TO 30 MPH WITH GUSTS TO 40 MPH
WILL RESULT IN WIDESPREAD BLOWING AND DRIFTING SNOW...MAKING
TRAVEL EXTREMELY DANGEROUS. THE SNOW WILL TAPER OFF LATE TONIGHT.

ILZ023-032-033-039-INZ010-011-019-140130-
/O.CON.KLOT.BZ.W.0001.000000T0000Z-070214T0600Z/
KANKAKEE-LIVINGSTON-IROQUOIS-FORD-NEWTON-JASPER-BENTON-
INCLUDING THE CITIES OF...KANKAKEE...BOURBONNAIS...BRADLEY...
PONTIAC...DWIGHT...FAIRBURY...WATSEKA...GILMAN...ONARGA...
PAXTON...KENTLAND...MOROCCO...GOODLAND...BROOK...RENSSELAER...
DE MOTTE...FOWLER...OXFORD...BOSWELL
1118 AM CST TUE FEB 13 2007 /1218 PM EST TUE FEB 13 2007/

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST /1 AM
EST/ TONIGHT...

SNOW...HEAVY AT TIMES THIS AFTERNOON...WILL CONTINUE THROUGH THE
EVENING. AS OF LATE THIS MORNING...REPORTS INDICATED 2 TO 4 INCHES
OF SNOW HAD FALLEN ACROSS THE AREA. AN ADDITIONAL 4 TO 8 INCHES OF
SNOW IS EXPECTED THIS AFTERNOON AND EVENING...RESULTING IN STORM
TOTAL SNOWFALL OF 6 TO 12 INCHES. THE SNOW COMBINED WITH NORTHEAST
WINDS OF 20 TO 30 MPH ALONG WITH GUSTS TO 40 MPH...WILL REDUCE
VISIBILITY TO NEAR ZERO AT TIMES.

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE.

$$

ILZ010>014-019>022-INZ001-002-140130-
/O.CON.KLOT.WS.W.0002.000000T0000Z-070214T0600Z/
LEE-DE KALB-KANE-DUPAGE-COOK-LA SALLE-KENDALL-GRUNDY-WILL-LAKE-
PORTER-
INCLUDING THE CITIES OF...DIXON...SYCAMORE...SANDWICH...GENOA...
AURORA...ELGIN...NAPERVILLE...WHEATON...DOWNERS GROVE...
ELMHURST...LOMBARD...CAROL STREAM...HANOVER PARK...CHICAGO...
OTTAWA...STREATOR...PERU...LA SALLE...MENDOTA...MARSEILLES...
OSWEGO...BOULDER HILL...YORKVILLE...PLANO...MORRIS...COAL CITY...
JOLIET...BOLINGBROOK...GARY...HAMMOND...EAST CHICAGO...
MERRILLVILLE...PORTAGE...VALPARAISO...CHESTERTON
1118 AM CST TUE FEB 13 2007

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...

SNOW WILL CONTINUE TO INTENSIFY THROUGH THE AFTERNOON. AS OF LATE
THIS MORNING...REPORTS INDICATED 2 TO 4 INCHES OF SNOW HAD FALLEN
ACROSS THE AREA. AN ADDITIONAL 2 TO 4 INCHES OF SNOW IS EXPECTED
THIS AFTERNOON AND EVENING...RESULTING IN STORM TOTAL SNOWFALL OF
4 TO 8 INCHES. THE SNOW WILL DECREASE IN INTENSITY LATE THIS
EVENING. SNOW COMBINED WITH NORTHEAST WINDS OF 20 TO 30 MPH ALONG
WITH HIGHER GUSTS WILL PRODUCE CONSIDERABLE BLOWING AND DRIFTING
SNOW AND DANGEROUS TRAVEL CONDITIONS.

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.
STAY INDOORS AND AVOID TRAVEL IF POSSIBLE.

$$

ILZ003>006-008-140130-
/O.CON.KLOT.SB.Y.0001.000000T0000Z-070214T0600Z/
WINNEBAGO-BOONE-MCHENRY-LAKE-OGLE-
INCLUDING THE CITIES OF...ROCKFORD...BELVIDERE...CRYSTAL LAKE...
ALGONQUIN...LAKE IN THE HILLS...MCHENRY...WOODSTOCK...CARY...
WAUKEGAN...BUFFALO GROVE...NORTH CHICAGO...HIGHLAND PARK...
MUNDELEIN...GURNEE...ROUND LAKE BEACH...ROCHELLE...OREGON...
MOUNT MORRIS...BYRON...POLO
1118 AM CST TUE FEB 13 2007

...SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL
MIDNIGHT CST TONIGHT...

SNOW WILL CONTINUE ACROSS THE AREA THIS AFTERNOON THROUGH EARLY
EVENING. AS OF LATE MORNING...SNOWFALL AMOUNTS UP TO AN INCH OR
TWO HAD BEEN REPORTED. ADDITIONAL SNOWFALL AMOUNTS OF 2 TO 4
INCHES ARE EXPECTED THROUGH THIS EVENING...RESULTING IN STORM
TOTAL ACCUMULATIONS OF 3 TO 6 INCHES. IN ADDITION TO THE SNOW...
NORTHEAST WINDS OF 20 TO 30 MPH ALONG WITH HIGHER GUSTS WILL
PRODUCE CONSIDERABLE BLOWING AND DRIFTING SNOW MAKING FOR
DANGEROUS TRAVEL CONDITIONS. BLOWING AND DRIFTING SNOW WILL
CONTINUE TO PRODUCE HAZARDOUS TRAVEL CONDITIONS TONIGHT.

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.

$$
HANDEL
000 
WWUS43 KLOT 132152
WSWLOT

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
352 PM CST TUE FEB 13 2007

...DANGEROUS WINTER STORM IMPACTING THE REGION THROUGH TONIGHT...

.A SIGNIFICANT WINTER STORM OVER THE OHIO VALLEY WILL CONTINUE TO
BRING SNOW AND BLOWING SNOW TO NORTHERN ILLINOIS AND NORTHWEST
INDIANA THIS EVENING. SNOW AND STRONG NORTHEAST WINDS OF 20 TO 30
MPH WITH GUSTS TO 40 MPH WILL RESULT IN WIDESPREAD BLOWING AND
DRIFTING SNOW...MAKING TRAVEL EXTREMELY DANGEROUS. THE SNOW WILL
TAPER OFF LATE TONIGHT...THOUGH BLOWING SNOW IS EXPECTED TO
CONTINUE UNTIL EARLY WEDNESDAY MORNING.

ILZ023-032-033-039-INZ010-011-019-140600-
/O.CON.KLOT.BZ.W.0001.000000T0000Z-070214T0600Z/
KANKAKEE-LIVINGSTON-IROQUOIS-FORD-NEWTON-JASPER-BENTON-
INCLUDING THE CITIES OF...KANKAKEE...BOURBONNAIS...BRADLEY...
PONTIAC...DWIGHT...FAIRBURY...WATSEKA...GILMAN...ONARGA...
PAXTON...KENTLAND...MOROCCO...GOODLAND...BROOK...RENSSELAER...
DE MOTTE...FOWLER...OXFORD...BOSWELL
352 PM CST TUE FEB 13 2007 /452 PM EST TUE FEB 13 2007/

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST /1 AM
EST/ TONIGHT...

SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH THIS EVENING. REPORTS
INDICATED 6 TO 8 INCHES OF SNOW HAD FALLEN ACROSS THE AREA AS OF
LATE THIS AFTERNOON. AN ADDITIONAL 2 TO 4 INCHES OF SNOW IS
EXPECTED THIS EVENING...RESULTING IN STORM TOTAL SNOWFALL OF 8 TO
12 INCHES. THE SNOW COMBINED WITH NORTHEAST WINDS OF 20 TO 30 MPH
AND GUSTS TO 40 MPH...WILL REDUCE VISIBILITY TO NEAR ZERO
AT TIMES. BLOWING AND DRIFTING SNOW WILL CONTINUE TO PRODUCE
HAZARDOUS TRAVEL CONDITIONS THROUGH EARLY WEDNESDAY MORNING.

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE.

$$

ILZ010>014-019>022-INZ001-002-140600-
/O.CON.KLOT.WS.W.0002.000000T0000Z-070214T0600Z/
LEE-DE KALB-KANE-DUPAGE-COOK-LA SALLE-KENDALL-GRUNDY-WILL-LAKE-
PORTER-
INCLUDING THE CITIES OF...DIXON...SYCAMORE...SANDWICH...GENOA...
AURORA...ELGIN...NAPERVILLE...WHEATON...DOWNERS GROVE...
ELMHURST...LOMBARD...CAROL STREAM...HANOVER PARK...CHICAGO...
OTTAWA...STREATOR...PERU...LA SALLE...MENDOTA...MARSEILLES...
OSWEGO...BOULDER HILL...YORKVILLE...PLANO...MORRIS...COAL CITY...
JOLIET...BOLINGBROOK...GARY...HAMMOND...EAST CHICAGO...
MERRILLVILLE...PORTAGE...VALPARAISO...CHESTERTON
352 PM CST TUE FEB 13 2007

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...

SNOW WILL CONTINUE THROUGH THIS EVENING...DECREASING IN INTENSITY
LATE TONIGHT AT MOST LOCATIONS. HOWEVER...ALONG THE ILLINOIS
SHORE OF LAKE MICHIGAN...LAKE EFFECT SNOW SHOWERS WILL CONTINUE
THROUGH THE NIGHT. REPORTS INDICATED 3 TO 6 INCHES OF SNOW HAD
FALLEN ACROSS THE AREA AS OF LATE THIS AFTERNOON. AN ADDITIONAL 1
TO 3 INCHES OF SNOW IS EXPECTED THIS EVENING...RESULTING IN STORM
TOTAL SNOWFALL OF 4 TO 8 INCHES...WITH LOCALLY HIGHER AMOUNTS NEAR
LAKE MICHIGAN. THE SNOW COMBINED WITH NORTHEAST WINDS OF 20 TO 30
MPH AND HIGHER GUSTS WILL PRODUCE CONSIDERABLE BLOWING AND
DRIFTING SNOW AND DANGEROUS TRAVEL CONDITIONS... ESPECIALLY IN
OPEN AND RURAL AREAS...THROUGH EARLY WEDNESDAY 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.
STAY INDOORS AND AVOID TRAVEL IF POSSIBLE.

$$

ILZ003>006-008-140600-
/O.CON.KLOT.SB.Y.0001.000000T0000Z-070214T0600Z/
WINNEBAGO-BOONE-MCHENRY-LAKE-OGLE-
INCLUDING THE CITIES OF...ROCKFORD...BELVIDERE...CRYSTAL LAKE...
ALGONQUIN...LAKE IN THE HILLS...MCHENRY...WOODSTOCK...CARY...
WAUKEGAN...BUFFALO GROVE...NORTH CHICAGO...HIGHLAND PARK...
MUNDELEIN...GURNEE...ROUND LAKE BEACH...ROCHELLE...OREGON...
MOUNT MORRIS...BYRON...POLO
352 PM CST TUE FEB 13 2007

...SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL
MIDNIGHT CST TONIGHT...

SNOW CONTINUING ACROSS THE AREA WILL TAPER TO FLURRIES BY LATE
EVENING IN MOST LOCATIONS...THOUGH LAKE EFFECT SNOW SHOWERS WILL
CONTINUE THROUGH THE NIGHT OVER LAKE COUNTY. SNOWFALL AMOUNTS OF 2
TO 4 INCHES HAVE BEEN REPORTED AS OF LATE AFTERNOON. AN ADDITIONAL
1 TO 2 INCHES OF SNOW IS EXPECTED...RESULTING IN STORM TOTAL
SNOWFALL OF 3 TO 6 INCHES. IN ADDITION TO THE SNOW... NORTHEAST
WINDS OF 20 TO 30 MPH ALONG WITH HIGHER GUSTS WILL PRODUCE
CONSIDERABLE CONSIDERABLE BLOWING AND DRIFTING SNOW AND DANGEROUS
TRAVEL CONDITIONS...ESPECIALLY IN OPEN AND RURAL AREAS...THROUGH
EARLY WEDNESDAY MORNING.

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.

$$
HANDEL
000 
WWUS43 KLOT 140236
WSWLOT

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
836 PM CST TUE FEB 13 2007

...LAKE EFFECT SNOW AFFECTING NORTHEAST ILLINOIS AND NORTHWEST 
INDIANA...

.A SIGNIFICANT WINTER STORM OVER THE OHIO VALLEY WILL MOVE EAST
TONIGHT. NORTHEAST WINDS BLOWING COLDER AIR OVER THE WARMER 
WATERS OF LAKE MICHIGAN...WILL PRODUCE LAKE EFFECT SNOW ACROSS
NORTHEAST ILLINOIS THROUGH RUSH HOUR WEDNESDAY MORNING. THIS 
LAKE EFFECT SNOW WILL SHIFT EAST INTO NORTHWEST INDIANA LATE 
WEDNESDAY MORNING.

ILZ006-141045-
/O.UPG.KLOT.SB.Y.0001.000000T0000Z-070214T0600Z/
/O.EXB.KLOT.WS.W.0002.000000T0000Z-070214T1500Z/
LAKE-
INCLUDING THE CITIES OF...WAUKEGAN...BUFFALO GROVE...
NORTH CHICAGO...HIGHLAND PARK...MUNDELEIN...GURNEE...
ROUND LAKE BEACH
836 PM CST TUE FEB 13 2007

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

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A WINTER STORM
WARNING...WHICH IS IN EFFECT UNTIL 9 AM CST WEDNESDAY. THE SNOW
AND BLOWING SNOW ADVISORY IS NO LONGER IN EFFECT. 

LAKE EFFECT SNOW WILL CONTINUE ACROSS NORTHEAST ILLINOIS THROUGH
WEDNESDAY MORNING. AN ADDITIONAL 2 TO 4 INCHES OF NEW SNOW IS
POSSIBLE ACROSS LAKE COUNTY WITH THE HIGHEST AMOUNTS NEAR LAKE 
MICHIGAN. STORM TOTAL SNOWFALL ACCUMULATIONS BY LATE WEDNESDAY
MORNING OF 8 TO 12 INCHES ARE POSSIBLE.

THE LAKE EFFECT SNOW BANDS WILL PRODUCE MODERATE TO HEAVY SNOW
OVER SMALL AREAS THROUGH THE NIGHT. SNOWFALL RATES UP TO 1 INCH
PER HOUR ARE POSSIBLE WITH THE HEAVIEST BANDS.

IN ADDITION TO THE NEW SNOW...NORTH WINDS OF 20 TO 30 MPH WILL
CAUSE SIGNIFICANT BLOWING AND DRIFTING SNOW. 

TRAVEL IS DISCOURAGED TONIGHT. IF YOU MUST TRAVEL...LEAVE PLENTY 
OF EXTRA TIME TO REACH YOUR DESTINATION.

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.
STAY INDOORS AND AVOID TRAVEL IF POSSIBLE.

$$

ILZ013-014-022-141045-
/O.EXT.KLOT.WS.W.0002.000000T0000Z-070214T1500Z/
DUPAGE-COOK-WILL-
INCLUDING THE CITIES OF...NAPERVILLE...WHEATON...DOWNERS GROVE...
ELMHURST...LOMBARD...CAROL STREAM...HANOVER PARK...CHICAGO...
JOLIET...BOLINGBROOK
836 PM CST TUE FEB 13 2007

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

THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL 9 AM CST
WEDNESDAY.

LAKE EFFECT SNOW WILL CONTINUE ACROSS NORTHEAST ILLINOIS THROUGH
WEDNESDAY MORNING. AN ADDITIONAL 1 TO 2 INCHES OF SNOW IS POSSIBLE
ACROSS WESTERN WILL AND WESTERN DUPAGE COUNTIES...TO AS MUCH AS 3
TO 5 INCHES OF NEW SNOW ACCUMULATION ACROSS EASTERN COOK COUNTY.
STORM TOTAL SNOWFALL ACCUMULATIONS BY LATE WEDNESDAY MORNING OF 8 
TO 12 INCHES ARE POSSIBLE.

THE LAKE EFFECT SNOW BANDS WILL PRODUCE MODERATE TO HEAVY SNOW
OVER SMALL AREAS THROUGH THE NIGHT. SNOWFALL RATES UP TO 1 INCH
PER HOUR ARE POSSIBLE WITH THE HEAVIEST BANDS.

IN ADDITION TO THE NEW SNOW...NORTH WINDS OF 20 TO 30 MPH WILL
CAUSE SIGNIFICANT BLOWING AND DRIFTING SNOW. 

TRAVEL IS DISCOURAGED TONIGHT. IF YOU MUST TRAVEL...LEAVE PLENTY 
OF EXTRA TIME TO REACH YOUR DESTINATION.

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.
STAY INDOORS AND AVOID TRAVEL IF POSSIBLE.

$$

INZ001-002-141045-
/O.EXT.KLOT.WS.W.0002.000000T0000Z-070215T0000Z/
LAKE-PORTER-
INCLUDING THE CITIES OF...GARY...HAMMOND...EAST CHICAGO...
MERRILLVILLE...PORTAGE...VALPARAISO...CHESTERTON
836 PM CST TUE FEB 13 2007

...WINTER STORM WARNING NOW IN EFFECT UNTIL 6 PM CST WEDNESDAY...

THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL 6 PM CST
WEDNESDAY.

MODERATE SNOW WILL TAPER OFF TO LIGHT SNOW AND FLURRIES OVERNIGHT. 
AN ADDITIONAL 1 TO 3 INCHES OF SNOW IS POSSIBLE THROUGH EARLY 
WEDNESDAY MORNING. 

HOWEVER...LAKE EFFECT SNOW ACROSS NORTHEAST ILLINOIS...WILL SHIFT
EAST ACROSS NORTHWEST INDIANA WEDNESDAY MORNING. THE LAKE EFFECT
SNOW MAY BECOME HEAVY AT TIMES WEDNESDAY...WITH AN ADDITIONAL 4 TO
6 INCHES OF SNOW POSSIBLE. STORM TOTAL SNOWFALL BY THE TIME THE
LAKE EFFECT SNOW ENDS WEDNESDAY EVENING...MAY REACH 10 TO 14 
INCHES IN SOME AREAS...ESPECIALLY NEAR LAKE MICHIGAN.

IN ADDITION TO THE NEW SNOW...NORTH WINDS OF 20 TO 30 MPH WILL
CAUSE SIGNIFICANT BLOWING AND DRIFTING SNOW. 

TRAVEL IS DISCOURAGED TONIGHT. IF YOU MUST TRAVEL...LEAVE PLENTY 
OF EXTRA TIME TO REACH YOUR DESTINATION.

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. STAY
INDOORS AND AVOID TRAVEL IF POSSIBLE.

$$

ILZ023-032-033-039-INZ010-011-019-140600-
/O.CON.KLOT.BZ.W.0001.000000T0000Z-070214T0600Z/
KANKAKEE-LIVINGSTON-IROQUOIS-FORD-NEWTON-JASPER-BENTON-
INCLUDING THE CITIES OF...KANKAKEE...BOURBONNAIS...BRADLEY...
PONTIAC...DWIGHT...FAIRBURY...WATSEKA...GILMAN...ONARGA...
PAXTON...KENTLAND...MOROCCO...GOODLAND...BROOK...RENSSELAER...
DE MOTTE...FOWLER...OXFORD...BOSWELL
836 PM CST TUE FEB 13 2007 /936 PM EST TUE FEB 13 2007/

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST /1 AM
EST/ TONIGHT...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST /1 AM
EST/ TONIGHT.

SNOW...HEAVY AT TIMES...WILL BEGIN TO TAPER OFF TO FLURRIES LATE
THIS EVENING. NEW SNOW ACCUMULATION OF 1 TO 3 INCHES WILL BE
POSSIBLE WITH STORM TOTAL ACCUMULATIONS OF 10 TO 14 INCHES. THE
SNOW COMBINED WITH NORTHEAST WINDS OF 20 TO 30 MPH AND GUSTS TO 40
MPH...WILL REDUCE VISIBILITY TO NEAR ZERO AT TIMES. BLOWING AND
DRIFTING SNOW WILL CONTINUE TO PRODUCE HAZARDOUS TRAVEL CONDITIONS
THROUGH EARLY WEDNESDAY MORNING. SNOW DRIFTS OF 3 TO 4 FEET ARE 
POSSIBLE IN OPEN AND RURAL AREAS.

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE.

$$

ILZ010>012-019>021-140600-
/O.NEW.KLOT.BS.Y.0001.070214T0600Z-070214T1500Z/
/O.CON.KLOT.WS.W.0002.000000T0000Z-070214T0600Z/
LEE-DE KALB-KANE-LA SALLE-KENDALL-GRUNDY-
INCLUDING THE CITIES OF...DIXON...SYCAMORE...SANDWICH...GENOA...
AURORA...ELGIN...OTTAWA...STREATOR...PERU...LA SALLE...MENDOTA...
MARSEILLES...OSWEGO...BOULDER HILL...YORKVILLE...PLANO...MORRIS...
COAL CITY
836 PM CST TUE FEB 13 2007

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CST
TONIGHT...
...BLOWING SNOW ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM
CST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A BLOWING SNOW
ADVISORY...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM CST
WEDNESDAY. A WINTER STORM WARNING REMAINS IN EFFECT UNTIL
MIDNIGHT CST TONIGHT. 

LIGHT SNOW WILL TAPER OFF TO FLURRIES LATE THIS EVENING. NEW SNOW
ACCUMULATION WILL BE LESS THAN ONE INCH. HOWEVER...NORTH WINDS OF
20 TO 30 MPH WILL CAUSE SIGNIFICANT BLOWING AND DRIFTING SNOW
OVERNIGHT AND WEDNESDAY MORNING. SNOW DRIFTS OF 3 TO 4 FEET ARE
POSSIBLE IN OPEN AND RURAL AREAS.

TRAVEL IS DISCOURAGED TONIGHT. IF YOU MUST TRAVEL...LEAVE PLENTY OF
EXTRA TIME TO REACH YOUR DESTINATION.

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>005-008-140600-
/O.NEW.KLOT.BS.Y.0001.070214T0600Z-070214T1500Z/
/O.CON.KLOT.SB.Y.0001.000000T0000Z-070214T0600Z/
WINNEBAGO-BOONE-MCHENRY-OGLE-
INCLUDING THE CITIES OF...ROCKFORD...BELVIDERE...CRYSTAL LAKE...
ALGONQUIN...LAKE IN THE HILLS...MCHENRY...WOODSTOCK...CARY...
ROCHELLE...OREGON...MOUNT MORRIS...BYRON...POLO
836 PM CST TUE FEB 13 2007

...SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL
MIDNIGHT CST TONIGHT...
...BLOWING SNOW ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM
CST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A BLOWING SNOW
ADVISORY...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM CST
WEDNESDAY. A SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT
UNTIL MIDNIGHT CST TONIGHT. 

LIGHT SNOW WILL TAPPER OFF TO FLURRIES LATE THIS EVENING.
HOWEVER... NORTH WINDS OF 20 TO 30 MPH WILL CAUSE SIGNIFICANT
BLOWING AND DRIFTING SNOW THROUGH WEDNESDAY MORNING. SNOW DRIFTS
OF 3 TO 4 FEET WILL BE POSSIBLE IN OPEN AND RURAL AREAS. 

TRAVEL IS DISCOURAGED TONIGHT. IF YOU MUST TRAVEL...LEAVE PLENTY OF
EXTRA TIME TO REACH YOUR DESTINATION.

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.

$$
000 
WWUS43 KLOT 140706
WSWLOT

URGENT - WINTER WEATHER MESSAGE...RETRANSMISSION
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1158 PM CST TUE FEB 13 2007

...LAKE EFFECT SNOW AFFECTING NORTHEAST ILLINOIS AND NORTHWEST
INDIANA...

.A SIGNIFICANT WINTER STORM OVER THE OHIO VALLEY WILL MOVE EAST
OVERNIGHT. NORTHEAST WINDS BLOWING COLDER AIR OVER THE WARMER WATERS
OF LAKE MICHIGAN...WILL PRODUCE LAKE EFFECT SNOW ACROSS NORTHEAST
ILLINOIS THROUGH RUSH HOUR WEDNESDAY MORNING. THIS LAKE EFFECT
SNOW WILL SHIFT EAST INTO NORTHWEST INDIANA LATE WEDNESDAY
MORNING. OTHERWISE...GUSTY NORTHEAST WINDS WILL CONTINUE TO
PRODUCE BLOWING AND DRIFTING PROBLEMS THROUGH WEDNESDAY MORNING.

ILZ023-032-033-039-INZ010-011-019-141400-
/O.CAN.KLOT.BZ.W.0001.000000T0000Z-070214T0600Z/
/O.EXB.KLOT.BS.Y.0001.070214T0558Z-070214T1500Z/
KANKAKEE-LIVINGSTON-IROQUOIS-FORD-NEWTON-JASPER-BENTON-
INCLUDING THE CITIES OF...KANKAKEE...BOURBONNAIS...BRADLEY...
PONTIAC...DWIGHT...FAIRBURY...WATSEKA...GILMAN...ONARGA...
PAXTON...KENTLAND...MOROCCO...GOODLAND...BROOK...RENSSELAER...
DE MOTTE...FOWLER...OXFORD...BOSWELL
1158 PM CST TUE FEB 13 2007 /1258 AM EST WED FEB 14 2007/

...BLIZZARD WARNING IS CANCELLED...
...BLOWING SNOW ADVISORY IN EFFECT UNTIL 9 AM CST /10 AM EST/
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A BLOWING SNOW
ADVISORY...WHICH IS IN EFFECT UNTIL 9 AM CST /10 AM EST/
WEDNESDAY. THE BLIZZARD WARNING HAS BEEN CANCELLED. 

LIGHT SNOW WILL CONTINUE OVERNIGHT...GRADUALLY TAPERING TO
FLURRIES. ADDITIONAL SNOW ACCUMULATIONS ARE EXPECTED TO BE AN INCH
OR LESS. HOWEVER...GUSTY NORTHEAST WINDS WILL CONTINUE TO PRODUCE
BLOWING AND DRIFTING SNOW THROUGH WEDNESDAY MORNING. SNOW DRIFTS
OF 3 TO 4 FEET WILL BE POSSIBLE IN OPEN AND RURAL AREAS.

IF YOU MUST TRAVEL...LEAVE PLENTY OF EXTRA TIME TO REACH YOUR
DESTINATION.|

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.

$$

ILZ010>012-019>021-141400-
/O.CAN.KLOT.WS.W.0002.000000T0000Z-070214T0600Z/
/O.EXT.KLOT.BS.Y.0001.070214T0558Z-070214T1500Z/
LEE-DE KALB-KANE-LA SALLE-KENDALL-GRUNDY-
INCLUDING THE CITIES OF...DIXON...SYCAMORE...SANDWICH...GENOA...
AURORA...ELGIN...OTTAWA...STREATOR...PERU...LA SALLE...MENDOTA...
MARSEILLES...OSWEGO...BOULDER HILL...YORKVILLE...PLANO...MORRIS...
COAL CITY
1158 PM CST TUE FEB 13 2007

...WINTER STORM WARNING IS CANCELLED...
...BLOWING SNOW ADVISORY NOW IN EFFECT UNTIL 9 AM CST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS CANCELLED THE WINTER
STORM WARNING. THE BLOWING SNOW ADVISORY IS NOW IN EFFECT UNTIL
9 AM CST WEDNESDAY. 

SOME LIGHT SNOW OR SCATTERED FLURRIES WILL BE POSSIBLE
OVERNIGHT...MAINLY ACROSS THE SUBURBS OF CHICAGO...BUT MOST OF THE
ACCUMULATING SNOWFALL HAS ENDED ACROSS THE AREA. HOWEVER...GUSTY
NORTHEAST WINDS WILL CONTINUE TO PRODUCE BLOWING AND DRIFTING SNOW
THROUGH WEDNESDAY MORNING. SNOW DRIFTS OF 3 TO 4 FEET ARE POSSIBLE
IN OPEN AND RURAL AREAS.

IF YOU MUST TRAVEL...LEAVE PLENTY OF EXTRA TIME TO REACH YOUR
DESTINATION.

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>005-008-141400-
/O.CAN.KLOT.SB.Y.0001.000000T0000Z-070214T0600Z/
/O.EXT.KLOT.BS.Y.0001.070214T0558Z-070214T1500Z/
WINNEBAGO-BOONE-MCHENRY-OGLE-
INCLUDING THE CITIES OF...ROCKFORD...BELVIDERE...CRYSTAL LAKE...
ALGONQUIN...LAKE IN THE HILLS...MCHENRY...WOODSTOCK...CARY...
ROCHELLE...OREGON...MOUNT MORRIS...BYRON...POLO
1158 PM CST TUE FEB 13 2007

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

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS CANCELLED THE SNOW
AND BLOWING SNOW ADVISORY. THE BLOWING SNOW ADVISORY IS NOW IN
EFFECT UNTIL 9 AM CST WEDNESDAY. 

SNOW HAS ENDED ACROSS MUCH OF NORTHERN ILLINOIS...ALTHOUGH A FEW
FLURRIES OR LIGHT SNOW SHOWERS WILL REMAIN POSSIBLE ACROSS THE
NORTHWEST SUBURBS OF CHICAGO. GUSTY NORTHEAST WINDS WILL CONTINUE
TO PRODUCE BLOWING AND DRIFTING SNOW THROUGH WEDNESDAY MORNING.

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.

$$

ILZ006-013-014-022-141400-
/O.CON.KLOT.WS.W.0002.000000T0000Z-070214T1500Z/
LAKE-DUPAGE-COOK-WILL-
INCLUDING THE CITIES OF...WAUKEGAN...BUFFALO GROVE...
NORTH CHICAGO...HIGHLAND PARK...MUNDELEIN...GURNEE...
ROUND LAKE BEACH...NAPERVILLE...WHEATON...DOWNERS GROVE...
ELMHURST...LOMBARD...CAROL STREAM...HANOVER PARK...CHICAGO...
JOLIET...BOLINGBROOK
1158 PM CST TUE FEB 13 2007

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

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

LAKE EFFECT SNOW WILL CONTINUE ACROSS NORTHEAST ILLINOIS THROUGH
WEDNESDAY MORNING. AN ADDITIONAL 2 TO 4 INCHES OF NEW SNOW IS
POSSIBLE ACROSS LAKE COUNTY WITH THE HIGHEST AMOUNTS NEAR LAKE
MICHIGAN. STORM TOTAL SNOWFALL ACCUMULATIONS BY LATE WEDNESDAY
MORNING OF 8 TO 14 INCHES ARE POSSIBLE.

THE LAKE EFFECT SNOW BANDS WILL PRODUCE MODERATE TO HEAVY SNOW
OVER SMALL AREAS THROUGH THE NIGHT. SNOWFALL RATES UP TO 1 INCH
PER HOUR ARE POSSIBLE WITH THE HEAVIEST BANDS.

IN ADDITION TO THE NEW SNOW...NORTH WINDS OF 15 TO 30 MPH WILL
CAUSE SIGNIFICANT BLOWING AND DRIFTING SNOW.

TRAVEL IS DISCOURAGED TONIGHT. IF YOU MUST TRAVEL...LEAVE PLENTY
OF EXTRA TIME TO REACH YOUR DESTINATION.

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.
STAY INDOORS AND AVOID TRAVEL IF POSSIBLE.

$$

INZ001-002-141400-
/O.CON.KLOT.WS.W.0002.000000T0000Z-070215T0000Z/
LAKE-PORTER-
INCLUDING THE CITIES OF...GARY...HAMMOND...EAST CHICAGO...
MERRILLVILLE...PORTAGE...VALPARAISO...CHESTERTON
1158 PM CST TUE FEB 13 2007

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST
WEDNESDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST
WEDNESDAY. 

LAKE EFFECT SNOW ACROSS NORTHEAST ILLINOIS AND FAR NORTHWEST
INDIANA WILL CONTINUE TO SHIFT EAST ACROSS THE REMAINDER OF
NORTHWEST INDIANA OVERNIGHT. THE LAKE EFFECT SNOW MAY BECOME HEAVY AT
TIMES WEDNESDAY...WITH AN ADDITIONAL 4 TO 6 INCHES OF SNOW
POSSIBLE. STORM TOTAL SNOWFALL BY THE TIME THE LAKE EFFECT SNOW
ENDS WEDNESDAY EVENING...MAY REACH 10 TO 14 INCHES IN SOME
AREAS...ESPECIALLY NEAR LAKE MICHIGAN.

IN ADDITION TO THE NEW SNOW...NORTH WINDS OF 15 TO 30 MPH WILL
CAUSE SIGNIFICANT BLOWING AND DRIFTING SNOW.

TRAVEL IS DISCOURAGED TONIGHT. IF YOU MUST TRAVEL...LEAVE PLENTY
OF EXTRA TIME TO REACH YOUR DESTINATION.

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.
STAY INDOORS AND AVOID TRAVEL IF POSSIBLE.

$$
000 
WWUS43 KLOT 141004
WSWLOT

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
404 AM CST WED FEB 14 2007

...LAKE EFFECT SNOW AFFECTING NORTHEAST ILLINOIS AND NORTHWEST
INDIANA...

.LAKE EFFECT SNOW SHOWERS WILL CONTINUE TO AFFECT NORTHEAST
ILLINOIS AND NORTHWEST INDIANA THIS MORNING. GUSTY NORTH WINDS
WILL ALSO CREATE SOME BLOWING AND DRIFTING OF THE SNOW. BY MID
AFTERNOON...MOST OF THE LAKE EFFECT SNOW SHOWERS ARE EXPECTED TO
AFFECT MAINLY NORTHWEST INDIANA.

ILZ003>005-008-010>012-019>021-141115-
/O.CAN.KLOT.BS.Y.0001.000000T0000Z-070214T1500Z/
WINNEBAGO-BOONE-MCHENRY-OGLE-LEE-DE KALB-KANE-LA SALLE-KENDALL-
GRUNDY-
INCLUDING THE CITIES OF...ROCKFORD...BELVIDERE...CRYSTAL LAKE...
ALGONQUIN...LAKE IN THE HILLS...MCHENRY...WOODSTOCK...CARY...
ROCHELLE...OREGON...MOUNT MORRIS...BYRON...POLO...DIXON...
SYCAMORE...SANDWICH...GENOA...AURORA...ELGIN...OTTAWA...
STREATOR...PERU...LA SALLE...MENDOTA...MARSEILLES...OSWEGO...
BOULDER HILL...YORKVILLE...PLANO...MORRIS...COAL CITY
404 AM CST WED FEB 14 2007

...BLOWING SNOW ADVISORY IS CANCELLED...

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

NORTH WINDS HAVE DECREASED INTO THE 10 TO 15 MPH RANGE WITH SOME
GUSTS UP TO 20 MPH. WHILE SIGNIFICANT VISIBILITY RESTRICTIONS DUE
TO BLOWING SNOW ARE NO LONGER EXPECTED...SOME BLOWING AND DRIFTING
SNOW WILL CONTINUE THIS MORNING...ESPECIALLY ACROSS OPEN AREAS.

$$

ILZ006-013-014-022-141500-
/O.CON.KLOT.WS.W.0002.000000T0000Z-070214T1500Z/
LAKE-DUPAGE-COOK-WILL-
INCLUDING THE CITIES OF...WAUKEGAN...BUFFALO GROVE...
NORTH CHICAGO...HIGHLAND PARK...MUNDELEIN...GURNEE...
ROUND LAKE BEACH...NAPERVILLE...WHEATON...DOWNERS GROVE...
ELMHURST...LOMBARD...CAROL STREAM...HANOVER PARK...CHICAGO...
JOLIET...BOLINGBROOK
404 AM CST WED FEB 14 2007

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 AM CST THIS
MORNING...

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

LAKE EFFECT SNOW WILL CONTINUE ACROSS NORTHEAST ILLINOIS THIS
MORNING. AN ADDITIONAL 1 TO 3 INCHES OF SNOW IS POSSIBLE THIS
MORNING WITH THE GREATER AMOUNTS CLOSER TO LAKE MICHIGAN.  

IN ADDITION TO THE NEW SNOW...NORTH WINDS OF 10 TO 20 MPH WITH
SOME HIGHER GUSTS WILL CONTINUE TO PRODUCE SOME BLOWING AND
DRIFTING SNOW THIS 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 HAZARDOUS. STAY INDOORS AND AVOID
TRAVEL IF POSSIBLE.

$$

INZ001-002-141815-
/O.CON.KLOT.WS.W.0002.000000T0000Z-070215T0000Z/
LAKE-PORTER-
INCLUDING THE CITIES OF...GARY...HAMMOND...EAST CHICAGO...
MERRILLVILLE...PORTAGE...VALPARAISO...CHESTERTON
404 AM CST WED FEB 14 2007

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON. 

LAKE EFFECT SNOW SHOWERS ARE EXPECTED TO INCREASE IN INTENSITY BY
LATE THIS MORNING AND CONTINUE INTO THE EARLY EVENING. ADDITIONAL
SNOW ACCUMULATIONS OF 3 TO 5 INCHES ARE POSSIBLE ACROSS LAKE AND
PORTER COUNTIES TODAY. SNOWFALL RATES OF A HALF INCH TO AN INCH
PER HOUR ARE POSSIBLE IN THE LAKE EFFECT SNOW BANDS LATER TODAY.

IN ADDITION TO THE NEW SNOW...NORTH WINDS OF 10 TO 20 MPH WITH
HIGHER GUSTS WILL PRODUCE BLOWING AND DRIFTING SNOW.

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. STAY INDOORS AND
AVOID TRAVEL IF POSSIBLE.

$$

ILZ023-032-033-039-INZ010-011-019-141500-
/O.CON.KLOT.BS.Y.0001.000000T0000Z-070214T1500Z/
KANKAKEE-LIVINGSTON-IROQUOIS-FORD-NEWTON-JASPER-BENTON-
INCLUDING THE CITIES OF...KANKAKEE...BOURBONNAIS...BRADLEY...
PONTIAC...DWIGHT...FAIRBURY...WATSEKA...GILMAN...ONARGA...
PAXTON...KENTLAND...MOROCCO...GOODLAND...BROOK...RENSSELAER...
DE MOTTE...FOWLER...OXFORD...BOSWELL
404 AM CST WED FEB 14 2007 /504 AM EST WED FEB 14 2007/

...BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST /10 AM
EST/ THIS MORNING...

SCATTERED SNOW SHOWERS WILL CONTINUE THIS MORNING AND WILL TAPER
TO FLURRIES BEFORE ENDING EARLY THIS AFTERNOON. ADDITIONAL
ACCUMULATIONS OF AROUND AN INCH ARE POSSIBLE. THE COMBINATION OF
THE NEW SNOW AND GUSTY NORTH WINDS UP TO 20 MPH WILL CONTINUE TO
PRODUCE BLOWING AND DRIFTING SNOW THIS MORNING...AND VISIBILITY
RESTRICTIONS...ESPECIALLY ACROSS OPEN AREAS.

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.

$$
000 
WWUS43 KLOT 141329
WSWLOT

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
626 AM CST WED FEB 14 2007

...LAKE EFFECT SNOW SHOWERS WILL AFFECT NORTHEAST ILLINOIS AND
NORTHWEST INDIANA TODAY...

.LAKE EFFECT SNOW SHOWERS WILL CONTINUE TO AFFECT NORTHEAST
ILLINOIS AND NORTHWEST INDIANA TODAY. HOWEVER...ADDITIONAL SNOWFALL
ACCUMULATIONS ARE EXPECTED TO BE LIGHT.

INZ001-002-141330-
/O.CAN.KLOT.WS.W.0002.000000T0000Z-070215T0000Z/
LAKE-PORTER-
INCLUDING THE CITIES OF...GARY...HAMMOND...EAST CHICAGO...
MERRILLVILLE...PORTAGE...VALPARAISO...CHESTERTON
626 AM CST WED FEB 14 2007

...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS CANCELLED THE WINTER
STORM WARNING. 

LAKE EFFECT SNOW SHOWERS WILL CONTINUE TODAY AND INTO EARLY THIS
EVENING. HOWEVER...SNOW ACCUMULATIONS WITH THE LAKE EFFECT SNOW
SHOWERS ARE EXPECTED TO REMAIN IN THE 1 TO 3 INCH RANGE. NORTH
WINDS OF 10 TO 20 MPH WILL RESULT IN BLOWING AND DRIFTING SNOW.

$$

ILZ006-013-014-022-141330-
/O.CAN.KLOT.WS.W.0002.000000T0000Z-070214T1500Z/
LAKE-DUPAGE-COOK-WILL-
INCLUDING THE CITIES OF...WAUKEGAN...BUFFALO GROVE...
NORTH CHICAGO...HIGHLAND PARK...MUNDELEIN...GURNEE...
ROUND LAKE BEACH...NAPERVILLE...WHEATON...DOWNERS GROVE...
ELMHURST...LOMBARD...CAROL STREAM...HANOVER PARK...CHICAGO...
JOLIET...BOLINGBROOK
626 AM CST WED FEB 14 2007

...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN CHICAGO HAS CANCELLED THE WINTER
STORM WARNING. 

LAKE EFFECT SNOW SHOWERS WILL CONTINUE TO AFFECT NORTHEAST
ILLINOIS THIS MORNING. BY MID AFTERNOON...MOST OF THE LAKE EFFECT
SNOW SHOWERS ARE EXPECTED TO SHIFT EAST INTO NORTHWEST INDIANA.
SNOWFALL ACCUMULATIONS ARE EXPECTED TO BE LIGHT...GENERALLY AN
INCH OR TWO.

$$

ILZ023-032-033-039-INZ010-011-019-141330-
/O.CAN.KLOT.BS.Y.0001.000000T0000Z-070214T1500Z/
KANKAKEE-LIVINGSTON-IROQUOIS-FORD-NEWTON-JASPER-BENTON-
INCLUDING THE CITIES OF...KANKAKEE...BOURBONNAIS...BRADLEY...
PONTIAC...DWIGHT...FAIRBURY...WATSEKA...GILMAN...ONARGA...
PAXTON...KENTLAND...MOROCCO...GOODLAND...BROOK...RENSSELAER...
DE MOTTE...FOWLER...OXFORD...BOSWELL
626 AM CST WED FEB 14 2007 /726 AM EST WED FEB 14 2007/

...BLOWING SNOW ADVISORY IS CANCELLED...

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

NORTH WINDS HAVE DIMINISHED TO 10 TO 20 MPH ACROSS THE AREA THIS
MORNING. WHILE BLOWING AND DRIFTING OF THE NEW SNOW WILL STILL BE A
CONCERN THIS MORNING...WIDESPREAD VISIBILITY RESTRICTIONS DUE TO
BLOWING SNOW ARE NO LONGER EXPECTED.

$$

What forecasters said that day

The local office's own words before this winter storm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Chicago, IL wrote its last area forecast discussion before this winter storm warning went out at Feb 12, 3:45 AM CST, 38 minutes earlier.

Area forecast discussion, Feb 12, 3:45 AM CST, 38 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
345 AM CST MON FEB 12 2007

.DISCUSSION REGARDING MORNING ZONES/GRIDS...

345 AM CST

MAIN FOCUS ON WINTER STORM TO AFFECT REGION TONIGHT THROUGH TUESDAY.

BRIEFLY FIRST...WILL MAINTAIN SNOW ADVSRY FOR NRN TIER OF COUNTIES
THIS MRNG AS WEAK S/WV CONTS EWD ACROSS IL/WI BORDER AREA. BEST UVM
AS INDICATED BY MODEL DIV-Q AND OMEGA FCSTS OCCUR BEFORE
SUNRISE...DECREASING AFT 12Z. RADAR INDICATES LGT SNOW CONTINUES
ACROSS NRN/NERN PART OF FA AT 0925Z...WITH REPORTS OF ACCUM RANGING
FROM A COUPLE INCHES NEAR WI BORDER TO PERHAPS NEAR AN INCH HERE AT
THE WFO. CURRENT HEADLINE GOES THRU 18Z...BUT GIVEN COMPLEXITY OF
HEADLINE SITUATION NEXT 48 HRS WILL NOT MESS WITH THAT AT THIS TIME
AND WILL ALLOW DAY SHIFT TO CANCEL WHEN ACCUM SNOW ENDS DURG THE
MORNING. WRF/GFS BOTH INDICATE THAT COLD FRONT SAGGING THRU FCST
AREA MAINTAINS SOME WEAK FRONTOGENESIS THRU THE DAY...WITH VRY LGT
QPF PRODUCED. WILL KEEP SOME SCT FLURRIES THRU AFTN AFTER SNOW
TAPERS OFF THIS AM.

REAL PROBLEMS ARRIVE LATER TONIGHT HOWEVER...AS MAJOR WINTER STORM
TAKES AIM ON THE MIDWEST. UPR TROF CURRENTLY MOVG ACROSS THE RCKYS
MOVES INTO THE PLAINS TNGT...AND ACROSS THE MS RVR BY TUES AFTN. SFC
LOW DVLPG VCNTY TX PANHANDLE REGION FCST BY MODELS TO TRACK ACROSS
ARKANSAS BY TUE MRNG...AND THEN NORTHEAST ACROSS KY/WV TO JUST SOUTH
OF KPIT BY 12Z WED. STRONG LLVL BAROCLINICITY FOR THIS SYSTEM TO
WORK WITH...WITH ARCTIC AIR JUST NORTH OF FRONT SAGGING THROUGH
GRTLKS AND RELATIVELY MILD/MOIST AIR WHICH WILL STREAM NORTH OFF THE
WESTERN GULF AHEAD OF DEEPENING LOW PRESSURE. THIS SETS UP VIGOROUS
STORM SYSTEM WITH PLENTY OF MOISTURE TO WORK WITH...AND WRF/GFS
FAIRLY SIMILAR IN SPREADING NEARLY 1.00 INCHES OF LIQUID QPF INTO
FAR SOUTHEASTERN KLOT FCST AREA BY TUES EVENING. TRACK OF SYSTEM
PLACES EXPECTED SWATH OF HVY SNOW FROM NERN MO THRU CNTRL IL INTO
NWRN IND. 290K ISENTROPIC FCSTS INDICATE STRONGEST UPGLIDE TO OCCUR
LATE TONIGHT THRU TUES MORNING...WITH 3-4 G/KG MIXING RATIO
INDICATIVE OF PLENTIFUL MOISTURE SUPPLY. CURRENT EXPECTATION IS SNOW
AMOUNTS FROM 3-5 INCHES NRN COUNTIES ALONG WI BORDER...TO 10-15
INCHES SOUTHEAST COUNTIES. IN ADDITION TO HVY SNOW HOWEVER...WINDS
EXPECTED TO STRENGTHEN IN RESPONSE TO TIGHTENING PRESSURE GRADIENT
ASSOCIATED WITH DEEPENING LOW...RESULTING IN 20-30 MPH WINDS WITH
SOME HIGHER GUSTS ESPECIALLY TUES WHICH WILL PRODUCE NEAR BLIZZARD
CONDITIONS WITH SIGNIFICANT BLOWING AND DRIFTING OF SNOW. BASED ON
ALL OF THIS...HAVE CHOSEN TO ISSUE SNOW/BLOWING SNOW ADVISRY FOR NRN
COUNTIES AND WINTER STORM WARNING BASICALLY SOUTH OF I-88.

AS SYSTEM DEPARTS TUES NGT...SNOW WILL TAPER OFF THOUGH WIND WILL
CONTINUE TO CAUSE SOME BLOWING/DRIFTING ISSUES IN OPEN AREAS. LAKE
EFFECT POTENTIAL STILL APPEARS TO BEAR WATCHING AT THIS TIME...WITH
NORTH WINDS LIKELY BRINGING SNOW SHOWERS TO NE IL/NWRN IND AS ARCTIC
AIR FLOODS BACK DOWN THE LENGTH OF LK MICH.

BEYOND WED HAVE MADE FEW CHANGES TO GOING FCST...GNRLY JUST A FEW
MINOR TEMP TWEAKS. CURRENT TREND LOOKS GOOD WITH RETURN OF COLD AIR
WED/THURS...THEN SOME MODERATION TOWARD WEEKEND.

RATZER

&&

.AVIATION...
1023 PM CST

RADAR DATA AND SURFACE ANALYSIS SHOW THE BAND OF SNOW ACROSS
NORTHERN ILLINOIS AND SOUTHERN WISCONSIN. THERE ARE SOME IFR
CONDITIONS IN TERMS OF VISIBILITY AND CEILING DO THE THE SNOW.
THE SNOW IS A RESULT OF UPWARD VERTICAL VELOCITY BROUGHT
ON BY MID LEVEL FRONTOGENESIS AND A SURFACE COLD FRONT. THE COLD
FRONT WILL PASS SOUTH FROM NORTHERN WISCONSIN TO CENTRAL INDIANA BY
18 UTC MONDAY. THERE WILL BE ENOUGH SNOW  DROP THE VISIBILITY TO IFR
CONDITIONS FOR SHORT TIME OVERNIGHT AND EARLY MONDAY
MORNING. WE EXPECT IFR CEILINGS AS WELL. THE WIND WILL BECOME
NORTHEAST AS A SURFACE LOW DEVELOPS AND DEEPENS IN TEXAS MONDAY.

&&

.LOT WATCHES/WARNINGS/ADVISORIES...
.IL...SNW ADVSRY EXTRM NRN IL NOON TDY.
      SNW AND BLOWING SNW ADVSRY EXTRM NRN IL TNGT THRU TUES EVE.
      WINTER STORM WRNG GNRLY SOUTH OF I-88 TNGT THRU TUES EVE.
.IN...WINTER STORM WRNG TNGT THRU TUES EVE.
.LM...SMALL CRAFT ADVSRY TNGT THRU TUES NGT/ERLY WED.

&&
Hazardous weather outlook, Feb 11, 4:30 PM CST, 11 hours 53 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
430 PM CST SUN FEB 11 2007

ILZ003>006-008-010>014-019>022-023-032-033-039-INZ001-002-010-011-
019-121030-
WINNEBAGO-BOONE-MCHENRY-LAKE IL-OGLE-LEE-DE KALB-KANE-DU PAGE-COOK-
LA SALLE-KENDALL-GRUNDY-WILL-KANKAKEE-LIVINGSTON-IROQUOIS-FORD-
LAKE IN-PORTER-NEWTON-JASPER-BENTON-
430 PM CST SUN FEB 11 2007

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

.DAY ONE... TONIGHT

A SNOW ADVISORY HAS BEEN ISSUED FOR EXTREME NORTHERN ILLINOIS FOR
LATE TONIGHT AND EARLY MONDAY.  SEE WSWLOT FOR DETAILS.

.DAYS TWO THROUGH SEVEN... MONDAY THROUGH SATURDAY

A WINTER STORM WATCH REMAINS IN EFFECT FOR MONDAY NIGHT AND TUESDAY
GENERALLY ALONG AND SOUTH OF INTERSTATE 80.  SEE WSWLOT FOR DETAILS.

THERE IS THE POTENTIAL FOR HEAVY SNOW AND CONSIDERABLE BLOWING SNOW
WITH THIS SYSTEM AS NORTHEAST WINDS INCREASE TO 20 TO 40 MPH MONDAY
NIGHT AND TUESDAY.  TRAVEL CONDITIONS MAY BECOME DIFFICULT AND
DANGEROUS.

SNOW SHOWERS MAY CONTINUE INTO TUESDAY NIGHT AND WEDNESDAY MORNING
OVER NORTHEAST ILLINOIS AND EXTREME NORTHWEST INDIANA.

BITTERLY COLD AIR IS EXPECTED TO RETURN TO THE MIDWEST MIDWEEK.

DUE TO THE PERSISTENT COLD SNAP...ICE JAMS WILL CONTINUE TO BE A
PROBLEM ON AREA RIVERS. WHILE NO SIGNIFICANT FLOODING IS OCCURRING
AT THIS TIME...RAPID FLUCTUATIONS IN RIVER LEVEL ARE POSSIBLE DUE TO
ICE ACTION.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE ENCOURAGED TO REPORT ANY ICE JAMS OR HIGH RIVER LEVELS.
SNOWFALL REPORTS TONIGHT AND MONDAY WILL BE APPRECIATED.

&&

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

LMZ740>745-766-121030-
WINTHROP HARBOR IL TO MICHIGAN CITY IN-
LAKE MICHIGAN-
430 PM CST SUN FEB 11 2007

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

.DAY ONE... TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN... MONDAY THROUGH SATURDAY

NORTHEAST WINDS OVER SOUTHERN LAKE MICHIGAN ARE EXPECTED TO REACH
GALE FORCE MONDAY NIGHT THROUGH TUESDAY NIGHT. THIS WILL ALSO RESULT
IN DANGEROUS CONDITIONS FOR SMALL CRAFT IN NEARSHORE WATERS DUE TO
STRONG WINDS AND HIGH WAVES OUTSIDE OF ICE COVERED AREAS.

&&

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

MERZLOCK

In the hours before

Local storm report, Feb 12, 12:49 AM CST, 3 hours 34 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1249 AM CST MON FEB 12 2007

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

1200 AM     SNOW             ROCKFORD AIRPORT        42.20N 89.10W
02/12/2007  M1.1 INCH        WINNEBAGO          IL   OFFICIAL NWS OBS

1240 AM     SNOW             ROCKFORD                42.27N 89.06W
02/12/2007  M1.5 INCH        WINNEBAGO          IL   BROADCAST MEDIA

            WREX-TV REPORTED 1.5 INCHES OF SNOW ON THE GROUND AT 1240
            AM.

&&

NMARSILI

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 12, 4:23 AM CSTSnow and Blowing Snow AdvisoryLOTBoone, Lake, McHenry, Ogle, Winnebago45 hr

Nearby

Winter Storm Warnings in Illinois, 2007Winter Storm Warnings in Indiana, 2007Every winter storm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.