January 12th Snowfall Event Summary

 

 Snowfall Map   |   Snowfall Amounts   |   A Late First Snow Storm

 

Water Vapor Image

For a Water Vapor Loop from January 12th, click here (~3 MB).


Snowfall Map

Snowfall Map

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Snowfall Map From Northwest Illinois & Eastern Iowa 

An experimental snowfall analysis page can be found here [updated continually]


Snowfall Amounts

Below are the preliminary snowfall totals from CoCoRaHS and the NWS's COOP Network.

A text listing of all of the Local Storm Reports (LSR) can be found further down.

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE CHICAGO IL
1006 AM CST FRI JAN 13 2012


...MORNING SNOWFALL ROUNDUP FINAL...


THE FOLLOWING ARE SNOW AMOUNTS FOR THE PREVIOUS 24-HOURS.
OBSERVATIONS ARE USUALLY TAKEN AT 7 AM.

24-HOUR SNOWFALL AMOUNTS FOR FRIDAY(01/13/12)...


NORTHERN ILLINOIS SNOW
LOCATION (COUNTY): FALL(INCHES)

LINCOLNWOOD 2E (COOK).........................8.2
NEW LENOX 2SE (WILL)..........................8.0
OAK PARK 1NNE (COOK)..........................7.9
PEOTONE (WILL)................................7.1
PEOTONE (WILL)................................7.1
OAK PARK 2S (COOK)............................7.0
PLAINFIELD 1SW (WILL).........................7.0
JOLIET LOCK/DAM (WILL)........................7.0
ROCKFORD 4NW (WINNEBAGO)......................6.8
YORKVILLE 1W (KENDALL)........................6.5
BULL VALLEY 2WNW (MCHENRY)....................6.5
PARK FOREST (COOK)............................6.5
BUFFALO GROVE 2N (LAKE).......................6.4
MONEE (WILL)..................................6.4
BURNHAM-HEGEWISCH 2NNW (COOK).................6.2
ROMEOVILLE (WILL).............................6.2
YORKVILLE 2SE (KENDALL).......................6.2
ELGIN (KANE)..................................6.1
ELGIN 1S (KANE)...............................6.1
ST. CHARLES 6NW (KANE)........................6.1
AURORA (KANE).................................6.0
BOTANIC GARDENS (COOK)........................6.0
ELBURN (KANE).................................6.0
HARVARD (MCHENRY).............................6.0
CHICAGO 6ESE (COOK)...........................6.0
WATSEKA 5W (IROQUOIS).........................6.0
MONTGOMERY 1SSE (KENDALL).....................6.0
ST. CHARLES (KANE)............................6.0
GENEVA 1SSW (KANE)............................6.0
MARSEILLES 6WNW (LA SALLE)....................6.0
ALGONQUIN 1N (MCHENRY)........................6.0
MACHESNEY PARK 3ENE (WINNEBAGO)...............6.0
JOLIET 2N (WILL)..............................6.0
MARENGO (MCHENRY).............................6.0
MIDWAY 3SW (COOK).............................6.0
PAW PAW (LEE).................................6.0
ST CHARLES (KANE).............................6.0
SHABBONA (DE KALB)............................6.0
SHIRLAND (WINNEBAGO)..........................6.0
GENEVA 1N (KANE)..............................5.9
NEWARK (KENDALL)..............................5.9
OAK LAWN (COOK)...............................5.8
LAKE FOREST 2NNE (LAKE).......................5.8
CRETE 3E (WILL)...............................5.8
PLAINFIELD (WILL).............................5.8
PONTIAC 1ESE (LIVINGSTON).....................5.6
ANTIOCH (LAKE)................................5.5
OAK PARK 1SW (COOK)...........................5.5
CAROL STREAM (DU PAGE)........................5.5
MINOOKA (GRUNDY)..............................5.5
YORKVILLE 1NE (KENDALL).......................5.5
GURNEE 2NE (LAKE).............................5.5
LINCOLNSHIRE 1N (LAKE)........................5.5
LINCOLNSHIRE 1.3WSW (LAKE)....................5.5
RIVERWOODS (LAKE).............................5.5
MUNDELEIN (LAKE)..............................5.5
ST CHARLES 7NW (KANE).........................5.5
WOODSTOCK (MCHENRY)...........................5.5
AURORA 3W (KANE)..............................5.4
SCHAUMBURG 2E.................................5.3
AMBOY (LEE)...................................5.3
GLEN ELLYN (DU PAGE)..........................5.3
ELK GROVE VILLAGE 1ESE (COOK).................5.3
LA GRANGE PARK 1SSW (COOK)....................5.3
COAL CITY (GRUNDY)............................5.3
BURR RIDGE 2SW (DU PAGE)......................5.2
COAL CITY 4NNW (GRUNDY).......................5.1
GENOA (DE KALB)...............................5.1
HOMEWOOD (COOK)...............................5.1
DWIGHT (LIVINGSTON)...........................5.0
ORLAND HILLS 1S (COOK)........................5.0
LISLE 1SE (DU PAGE)...........................5.0
SUGAR GROVE 1NE (KANE)........................5.0
WAUKEGAN 2N (LAKE)............................5.0
LAKE BLUFF 1W (LAKE)..........................5.0
SPRING GROVE 2N (MCHENRY).....................5.0
STREATOR (LIVINGSTON).........................5.0
WAUCONDA (LAKE)...............................5.0
LISLE MORTON ARB (DU PAGE)....................5.0
WINFIELD (DU PAGE)............................5.0
WOODSTOCK 5NW (MCHENRY).......................5.0
ELK GROVE VILLAGE 2WSW (COOK).................4.9
SHERIDAN (LA SALLE)...........................4.9
ROSCOE 2ESE (WINNEBAGO).......................4.9
OHARE (COOK)..................................4.9
ROSCOE 2SE (WINNEBAGO)........................4.9
WILLOW SPRINGS (COOK).........................4.9
INVERNESS 2S (COOK)...........................4.8
CHICAGO RIDGE (COOK)..........................4.8
PARK FOREST 1NNE (COOK).......................4.8
WESTMONT 1SSE (DU PAGE).......................4.8
NORTH AURORA 2NE (KANE).......................4.8
BEACH PARK 1W (LAKE)..........................4.8
MENDOTA 1N (LA SALLE).........................4.8
ROCKFORD (WINNEBAGO)..........................4.8
ARLINGTON HEIGHTS 1SW (COOK)..................4.7
HAWTHORN WOODS 1N (LAKE)......................4.7
OAK BROOK (DU PAGE)...........................4.7
CHANNAHON (WILL)..............................4.6
HERSCHER (KANKAKEE)...........................4.6
DE KALB (DE KALB).............................4.6
HOMER GLEN 4WNW (WILL)........................4.6
DRESDEN LOCK/DAM (GRUNDY).....................4.5
DE KALB (DE KALB).............................4.5
HOFFMAN ESTATES 5W (COOK).....................4.5
WORTH (COOK)..................................4.5
AURORA 4SE (DU PAGE)..........................4.5
NAPERVILLE 2ENE (DU PAGE).....................4.5
ELBURN 3NNE (KANE)............................4.5
OTTAWA 1NW (LA SALLE).........................4.5
SENECA 1NE (LA SALLE).........................4.5
ROCKFORD 3NE (WINNEBAGO)......................4.5
ROCKTON 1ESE (WINNEBAGO)......................4.5
LANSING (COOK)................................4.5
OREGON (OGLE).................................4.5
PONTIAC (LIVINGSTON)..........................4.5
ST ANNE (KANKAKEE)............................4.5
WATSEKA (IROQUOIS)............................4.5
ELGIN (KANE)..................................4.4
EARLVILLE 3S (LA SALLE).......................4.4
MANHATTAN 5ENE (WILL).........................4.4
MANHATTAN (WILL)..............................4.4
BATAVIA (KANE)................................4.3
CORTLAND (DE KALB)............................4.3
LISLE (DU PAGE)...............................4.3
BATAVIA 1WNW (KANE)...........................4.3
OTTAWA 2N (LA SALLE)..........................4.3
NAPERVILLE 1NW (DU PAGE)......................4.2
LAKE VILLA 1SSW (LAKE)........................4.1
BARRINGTON (LAKE).............................4.0
CHATSWORTH (LIVINGSTON).......................4.0
GLEN ELLYN 2SSE (DU PAGE).....................4.0
DIXON 3NNW (LEE)..............................4.0
SHERIDAN 3SSE (LA SALLE)......................4.0
CHATSWORTH (LIVINGSTON).......................4.0
BYRON 3N (OGLE)...............................4.0
ROCKFORD 1NW (WINNEBAGO)......................4.0
MENDOTA (LA SALLE)............................4.0
MORRIS (GRUNDY)...............................4.0
OTTAWA (LA SALLE).............................4.0
BOURBONNAIS (KANKAKEE)........................3.8
DOWNERS GROVE 2SE (DU PAGE)...................3.8
MARSEILLES 3NW (LA SALLE).....................3.8
KANKAKEE (KANKAKEE)...........................3.8
LA SALLE (LA SALLE)...........................3.7
HUNTLEY 4W (MCHENRY)..........................3.7
MILFORD (IROQUOIS)............................3.6
NAPERVILLE 3ESE (DU PAGE).....................3.5
PERU 1SW (LA SALLE)...........................3.5
MCHENRY (MCHENRY).............................3.3
MARSEILLES (LA SALLE).........................3.3
AURORA 4NE (DU PAGE)..........................3.2
GENEVA 2ENE (KANE)............................3.2
GENEVA 2WSW (KANE)............................3.0
AMBOY (LEE)...................................3.0
LAKEMOOR 2SE (LAKE)...........................3.0
PAXTON (FORD).................................2.9
ASHTON (LEE)..................................2.8
FAIRBURY (LIVINGSTON).........................2.6
PAXTON (FORD).................................2.0
ROCHELLE (OGLE)...............................2.0
HOMER GLEN 1ENE (WILL)........................1.5
CHICAGO 7NNE (COOK).........................TRACE

NORTHWEST INDIANA SNOW
LOCATION (COUNTY): FALL(INCHES)

CROWN POINT 2WSW (LAKE).......................7.0
ST. JOHN (LAKE)...............................5.8
CHESTERTON 4E (PORTER)........................5.6
WHEATFIELD 3S (JASPER)........................5.4
INDIANA DUNES (PORTER)........................5.3
PORTAGE 1ESE (PORTER).........................5.0
MOROCCO (NEWTON)..............................5.0
SCHERERVILLE 2WSW (LAKE)......................4.8
VALPARAISO 5NNE (PORTER)......................4.8
VALPARAISO 5NNE (PORTER)......................4.8
CROWN POINT 8E (PORTER).......................4.6
REMINGTON (JASPER)............................4.5
DYER 1WNW (LAKE)..............................4.5
KENTLAND (NEWTON).............................4.5
REMINGTON (JASPER)............................4.5
PORTER 1S (PORTER)............................4.3
LAKES OF THE FOUR SEASONS 2NNE (PORTER).......4.1
CROWN POINT (LAKE)............................4.0
DE MOTTE 6S (JASPER)..........................4.0
DE MOTTE 1NNW (JASPER)........................4.0
DE MOTTE 1SSW (JASPER)........................4.0
DE MOTTE 4SW (JASPER).........................4.0
CROWN POINT 1N (LAKE).........................4.0
KENTLAND 1NNW (NEWTON)........................4.0
BROOK 4W (NEWTON).............................4.0
VALPARAISO 2NW (PORTER).......................4.0
VALPARAISO 2N (PORTER)........................4.0
RENSSELAER (JASPER)...........................4.0
VALPARAISO 6WSW (PORTER)......................3.8
HAMMOND 3SW (LAKE)............................3.7
HEBRON 4NE (PORTER)...........................3.7
MOUNT AYR 2NNE (NEWTON).......................3.6
VALPARAISO 1SE (PORTER).......................3.5
VALPARAISO 3WSW (PORTER)......................3.3
VALPARAISO (PORTER)...........................3.2
VALPARAISO 1ENE (PORTER)......................3.2
VALPARAISO 1NNW (PORTER)......................3.0
RENSSELAER 6SE (JASPER).......................2.3
VALPARAISO 4SW (PORTER).......................0.9
Storm Spotter Reports
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
735 AM CST FRI JAN 13 2012

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

0916 AM     SNOW             ROCKFORD                42.27N 89.06W
01/12/2012  E0.5 INCH        WINNEBAGO          IL   BROADCAST MEDIA

            REPORTED AT WTVO.

0916 AM     SNOW             ROCKFORD                42.27N 89.06W
01/12/2012  E0.5 INCH        WINNEBAGO          IL   BROADCAST MEDIA

            REPORTED AT WREX.

0916 AM     SNOW             ISLAND LAKE             42.28N 88.20W
01/12/2012  U0.0 INCH        MCHENRY            IL   TRAINED SPOTTER

            LIGHT SNOW SLIGHT COVERING ON CONCRETE UNTREATED ROUTE
            176 AND CITY 47, DARRELL RD, ISLAND LAKE.

1035 AM     SNOW             3 SE AURORA             41.74N 88.25W
01/12/2012  E0.5 INCH        DUPAGE             IL   COCORAHS

            FIRST FLURRIES AT 735 AM. 0.5 INCH FELL.

1130 AM     SNOW             WSW BATAVIA             41.85N 88.30W
01/12/2012  M1.5 INCH        KANE               IL   COCORAHS

            SNOWFALL BEGAN 730 THIS MORNING.

1131 AM     SNOW             POPLAR GROVE            42.37N 88.82W
01/12/2012  E2.0 INCH        BOONE              IL   PUBLIC

            RELAYED BY BROADCAST MEDIA.

1145 AM     SNOW             MIDWAY AIRPORT          41.78N 87.75W
01/12/2012  M1.4 INCH        COOK               IL   CO-OP OBSERVER

            1.4 INCHES AS OF 1145 AM - WITH 1 INCH ON THE GROUND.

1152 AM     SNOW             ARLINGTON HEIGHTS       42.09N 87.98W
01/12/2012  E1.0 INCH        COOK               IL   PUBLIC

1152 AM     SNOW             MACHESNEY PARK          42.36N 89.04W
01/12/2012  M2.4 INCH        WINNEBAGO          IL   TRAINED SPOTTER

            2.4 INCHES MEASURED...PRESENT SNOW DEPTH OF 2 INCHES AS
            OF 1151 AM.

1155 AM     SNOW             ROCKFORD AIRPORT        42.20N 89.10W
01/12/2012  M1.8 INCH        WINNEBAGO          IL   OFFICIAL NWS OBS

            6 HOUR REPORT

1155 AM     SNOW             4 NW ROCKFORD           42.31N 89.12W
01/12/2012  M2.0 INCH        WINNEBAGO          IL   CO-OP OBSERVER

            WATER EQ 0.16

1200 PM     SNOW             ROMEOVILLE              41.65N 88.09W
01/12/2012  M1.8 INCH        WILL               IL   OFFICIAL NWS OBS

            AT NWS CHICAGO

1200 PM     SNOW             DOWNERS GROVE           41.80N 88.02W
01/12/2012  E2.1 INCH        DUPAGE             IL   PUBLIC

1200 PM     SNOW             CRYSTAL LAKE            42.23N 88.33W
01/12/2012  M1.2 INCH        MCHENRY            IL   PUBLIC

1200 PM     SNOW             OHARE AIRPORT           41.98N 87.90W
01/12/2012  M0.9 INCH        COOK               IL   OFFICIAL NWS OBS

            6 HOUR REPORT.

1200 PM     SNOW             WOODSTOCK               42.31N 88.44W
01/12/2012  E1.0 INCH        MCHENRY            IL   PUBLIC

1200 PM     SNOW             MONTGOMERY              41.73N 88.34W
01/12/2012  E1.5 INCH        KANE               IL   PUBLIC

1200 PM     SNOW             LINCOLNSHIRE            42.20N 87.92W
01/12/2012  E1.0 INCH        LAKE               IL   PUBLIC

1210 PM     SNOW             CAROL STREAM            41.92N 88.13W
01/12/2012  E1.6 INCH        DUPAGE             IL   TRAINED SPOTTER

1210 PM     SNOW             CHICAGO                 41.88N 87.63W
01/12/2012  E1.2 INCH        COOK               IL   TRAINED SPOTTER

            RAVENSWOOD

1215 PM     SNOW             MATTESON                41.51N 87.74W
01/12/2012  E2.0 INCH        COOK               IL   PUBLIC

1215 PM     SNOW             ROCKFORD                42.27N 89.06W
01/12/2012  E3.0 INCH        WINNEBAGO          IL   BROADCAST MEDIA

            NORTH SIDE

1215 PM     SNOW             FRANKLIN PARK           41.94N 87.88W
01/12/2012  M1.5 INCH        COOK               IL   COCORAHS

            AT LEYDEN TOWNSHIP. WATER EQ 0.11 PAVED ROADS ARE SLUSHY

1215 PM     SNOW             PALATINE                42.11N 88.04W
01/12/2012  E2.0 INCH        COOK               IL   PUBLIC

1220 PM     SNOW             ST. CHARLES             41.92N 88.30W
01/12/2012  M1.4 INCH        KANE               IL   CO-OP OBSERVER

            WATER EQ 0.13

1230 PM     SNOW             BARTLETT                41.98N 88.21W
01/12/2012  M1.4 INCH        DUPAGE             IL   TRAINED SPOTTER

            SNOW TOTAL SO FAR.

1230 PM     SNOW             N MENDOTA               41.55N 89.12W
01/12/2012  M2.5 INCH        LA SALLE           IL   COCORAHS

            700 AM LIGHT MISTY RAIN. 900 AM VERY LIGHT SNOW BEGAN TO
            FALL. 1230 PM 2.5 ON SNOW BOARD.

1245 PM     SNOW             MORRIS                  41.37N 88.43W
01/12/2012  M2.0 INCH        GRUNDY             IL   EMERGENCY MNGR

            GRUNDY COUNTY EMERGENCY MANAGER REPORTED 2.0 INCHES OF
            SNOWFALL IN THE COUNTY.

0100 PM     SNOW             PEOTONE                 41.33N 87.80W
01/12/2012  M1.6 INCH        WILL               IL   PUBLIC

0100 PM     SNOW             MONTGOMERY              41.73N 88.34W
01/12/2012  M1.7 INCH        KANE               IL   TRAINED SPOTTER

            SNOWFALL OVER THE PAST 5 HOURS. SNOW DEPTH 2 INCHES.

0100 PM     SNOW             1 SSW OAK LAWN          41.70N 87.76W
01/12/2012  M1.0 INCH        COOK               IL   COCORAHS

0100 PM     SNOW             E HARVARD               42.42N 88.62W
01/12/2012  E1.2 INCH        MCHENRY            IL   COCORAHS

            SNOW BEGAN ABOUT 8 AM.

0101 PM     SNOW             CREST HILL              41.57N 88.11W
01/12/2012  E2.0 INCH        WILL               IL   TRAINED SPOTTER

            APPROXIMATELY 2 INCHES OF SNOW ON DRIVE WAY. ROADS IN
            CREST HILL AND PARTS OF JOLIET COVERED WITH SNOW AND
            ICING IS OCCURRING.

0103 PM     SNOW             CREST HILL              41.57N 88.11W
01/12/2012  M2.3 INCH        WILL               IL   TRAINED SPOTTER

            0.7 IN LAST HOUR SNOW STARTING TO DRIFT IN SPOTS.

0105 PM     SNOW             2 E SCHAUMBURG          42.03N 88.04W
01/12/2012  M1.2 INCH        COOK               IL   COCORAHS

            0.9 ON THE GROUND - LESS ON PAVEMENT. VERY LIGHT SNOW
            NOW.

0110 PM     SNOW             ROCKFORD                42.27N 89.06W
01/12/2012  M2.5 INCH        WINNEBAGO          IL   PUBLIC

0130 PM     SNOW             N MENDOTA               41.55N 89.12W
01/12/2012  M3.5 INCH        LA SALLE           IL   COCORAHS

            DRIFTS BEGINNING TO FORM.

0130 PM     SNOW             CARPENTERSVILLE         42.12N 88.27W
01/12/2012  E1.0 INCH        KANE               IL   PUBLIC

            ABOUT 1/2 INCH PER HOUR SNOWFALL RATE IN DUNDEE TOWNSHIP
            AT TIME OF REPORT.

0130 PM     SNOW             MANTENO                 41.25N 87.84W
01/12/2012  M1.0 INCH        KANKAKEE           IL   TRAINED SPOTTER

            SNOW BLOWING AND STARTING TO DRIFT...WITH 1/4 MILE
            VISIBILITY AT TIME OF REPORT.

0146 PM     SNOW             NAPERVILLE              41.76N 88.15W
01/12/2012  E1.5 INCH        DUPAGE             IL   TRAINED SPOTTER

            SNOWFALL LAST 5 HOURS.

0200 PM     SNOW             WSW CHICAGO RIDGE       41.70N 87.78W
01/12/2012  M2.5 INCH        COOK               IL   COCORAHS

            SNOW BEGAN AT 900 AM. INTENSITY HAD LIGHTENED UP BUT
            APPEARS TO BE INCREASING AGAIN. WINDS BEGINNING TO
            INCREASE.

0202 PM     SNOW             CAPRON                  42.40N 88.74W
01/12/2012  M2.2 INCH        BOONE              IL   PUBLIC

            RELAYED BY BROADCAST MEDIA.

0206 PM     SNOW             VALPARAISO              41.48N 87.05W
01/12/2012  E0.7 INCH        PORTER             IN   PUBLIC

0209 PM     SNOW             ELBURN                  41.89N 88.47W
01/12/2012  M3.1 INCH        KANE               IL   TRAINED SPOTTER

            SNOW TOTAL SO FAR.

0215 PM     SNOW             SCHERERVILLE            41.49N 87.45W
01/12/2012  M1.5 INCH        LAKE               IN   TRAINED SPOTTER

            SNOWFALL LAST 4 HOURS. LIGHT TO MODERATE SNOW CONTINUES.
            BOTH SIDE AND MAIN ROADS ARE BECOMING SNOW-COVERED AND
            ICY.

0220 PM     SNOW             FOX LAKE                42.42N 88.18W
01/12/2012  M1.5 INCH        LAKE               IL   TRAINED SPOTTER

            SNOW TOTAL SO FAR.

0230 PM     SNOW             N GENEVA                41.88N 88.31W
01/12/2012  M3.1 INCH        KANE               IL   COCORAHS

            MODERATE SNOW CURRENTLY FALLING. SLIGHT INCREASE IN
            INTENSITY HAS BEEN OBSERVED IN THE LAST HOUR.

0230 PM     SNOW             GENEVA                  41.88N 88.31W
01/12/2012  M3.1 INCH        KANE               IL   PUBLIC

            SNOW TOTAL SO FAR. LIGHT TO MODERATE SNOWFALL AT TIME OF
            REPORT.

0235 PM     SNOW             FORRESTON               42.13N 89.58W
01/12/2012  M4.5 INCH        OGLE               IL   PUBLIC

            RELAYED BY BROADCAST MEDIA.

0240 PM     SNOW             BATAVIA                 41.85N 88.30W
01/12/2012  M2.9 INCH        KANE               IL   TRAINED SPOTTER

            STORM TOTAL SO FAR.

0244 PM     SNOW             LAKE ZURICH             42.19N 88.09W
01/12/2012  E2.0 INCH        LAKE               IL   TRAINED SPOTTER

            SNOW CONTINUES TO FALL AT A LIGHT TO MODERATE RATE. ROADS
            ARE BECOMING SLUSHY AND SNOW COVERED. AN ESTIMATED 2 TO 3
            INCHES HAVE FALLEN SINCE THIS MORNING.

0253 PM     SNOW             ISLAND LAKE             42.28N 88.20W
01/12/2012  M1.7 INCH        LAKE               IL   TRAINED SPOTTER

            LIGHT SNOW. MODERATE WINDS. 33 DEGREES.

0257 PM     SNOW             ELMHURST                41.90N 87.94W
01/12/2012  M1.3 INCH        DUPAGE             IL   TRAINED SPOTTER

            NEW SNOWFALL OVER THE PAST 3 HOURS.

0300 PM     SNOW             1 W BEACH PARK          42.42N 87.88W
01/12/2012  E1.5 INCH        LAKE               IL   COCORAHS

            LIGHT RAIN AND MIST AT 9 AM. CHANGED OVER TO SNOW AT 1115
            AM. HEAVY WET SNOW ACCUMULATING ON ALL SURFACES.

0300 PM     SNOW             PEOTONE                 41.33N 87.80W
01/12/2012  M3.0 INCH        WILL               IL   PUBLIC

            STORM TOTAL SO FAR.

0300 PM     SNOW             SOUTH BARRINGTON        42.09N 88.15W
01/12/2012  M2.0 INCH        COOK               IL   TRAINED SPOTTER

            STORM TOTAL SO FAR.

0310 PM     SNOW             WAUKEGAN                42.37N 87.87W
01/12/2012  M1.5 INCH        LAKE               IL   PUBLIC

            STORM TOTAL SO FAR FROM NEAR CHICAGO/WAUKEGAN REGIONAL
            AIRPORT. SNOW RATE INCREASING AT TIME OF REPORT.

0311 PM     SNOW             DE KALB                 41.93N 88.75W
01/12/2012  M2.9 INCH        DEKALB             IL   TRAINED SPOTTER

            AT NIU.

0315 PM     SNOW             2 WSW ELK GROVE VILLAGE 41.99N 88.03W
01/12/2012  M1.8 INCH        COOK               IL   COCORAHS

            SNOW BEGAN AT 9 AM. LIGHT SNOW FALLING AT THIS REPORT.
            WEST SIDE OF ELK GROVE VILLAGE.

0315 PM     SNOW             ROCKFORD                42.27N 89.06W
01/12/2012  M3.5 INCH        WINNEBAGO          IL   PUBLIC

            STORM TOTAL SO FAR.

0315 PM     SNOW             KANKAKEE                41.12N 87.86W
01/12/2012  E2.0 INCH        KANKAKEE           IL   PUBLIC

            STORM TOTAL SO FAR. FAIRLY SIGNIFICANT DRIFTING.

0315 PM     SNOW             5 SSW VALPARAISO        41.41N 87.09W
01/12/2012  M0.4 INCH        PORTER             IN   COCORAHS

            STORM TOTAL SO FAR.

0320 PM     SNOW             WSW BATAVIA             41.85N 88.30W
01/12/2012  E2.5 INCH        KANE               IL   COCORAHS

0325 PM     SNOW             N HUNTLEY               42.17N 88.42W
01/12/2012  E2.0 INCH        MCHENRY            IL   COCORAHS

            SNOWING SINCE 845 AM. MODERATE SNOW AND WINDY CURRENTLY.

0330 PM     SNOW             HARVARD                 42.42N 88.62W
01/12/2012  E2.4 INCH        MCHENRY            IL   COCORAHS

            LIGHTER SNOW. AVERAGE SNOWFALL 2.4 INCHES. DRIFTS ABOUT 4
            INCHES.

0330 PM     SNOW             PONTIAC                 40.88N 88.64W
01/12/2012  E3.8 INCH        LIVINGSTON         IL   COCORAHS

            STORM TOTAL SO FAR. A BRISK WESTWARD WIND IS GENERATING
            SIGNIFICANT BLOWING/DRIFTING SNOW.

0330 PM     SNOW             2 E SCHAUMBURG          42.03N 88.04W
01/12/2012  E1.9 INCH        COOK               IL   COCORAHS

            LIGHT SNOW NOW.

0333 PM     SNOW             GURNEE                  42.38N 87.94W
01/12/2012  M1.8 INCH        LAKE               IL   TRAINED SPOTTER

            STORM TOTAL SO FAR.

0335 PM     SNOW             4 SE AURORA             41.73N 88.24W
01/12/2012  M1.5 INCH        DUPAGE             IL   COCORAHS

            STORM TOTAL SO FAR. LIGHT SNOW FALLING...SOME DRIFTING
            STARTING TO OCCUR.

0345 PM     SNOW             CHICAGO                 41.88N 87.63W
01/12/2012  M3.0 INCH        COOK               IL   BROADCAST MEDIA

            ROGERS PARK - 2.0 INCHES IN PAST 90 MINUTES

0345 PM     SNOW             BOURBONNAIS             41.16N 87.88W
01/12/2012  E1.7 INCH        KANKAKEE           IL   COCORAHS

            INTENSITY OF SNOW IS SLOWLY INCREASING FROM LIGHT TO
            MODERATE.

0345 PM     SNOW             CHICAGO RIDGE           41.70N 87.78W
01/12/2012  M2.5 INCH        COOK               IL   PUBLIC

            STORM TOTAL SO FAR.

0348 PM     SNOW             BOLINGBROOK             41.70N 88.08W
01/12/2012  M3.2 INCH        WILL               IL   PUBLIC

            STORM TOTAL SO FAR. VERY FINE SNOWFLAKES FALLING...NOT
            MUCH DRIFTING YET.

0350 PM     SNOW             OAK FOREST              41.61N 87.75W
01/12/2012  M2.5 INCH        COOK               IL   TRAINED SPOTTER

            STORM TOTAL SO FAR. BLOWING/DRIFTING SNOW.

0352 PM     SNOW             NORTHBROOK              42.13N 87.83W
01/12/2012  M2.5 INCH        COOK               IL   AMATEUR RADIO

            STORM TOTAL SO FAR.

0400 PM     SNOW             4 NW ROCKFORD           42.31N 89.12W
01/12/2012  M4.1 INCH        WINNEBAGO          IL   CO-OP OBSERVER

0400 PM     SNOW             CHICAGO                 41.88N 87.63W
01/12/2012  E4.0 INCH        COOK               IL   PUBLIC

            ESTIMATED STORM TOTAL SO FAR AT ROUGHLY FOSTER AVE AND
            LAKEFRONT. HIGH END MODERATE SNOW FALLING AT TIME OF
            REPORT...WITH VISIBILITY AROUND 1/4 MILE.

0400 PM     SNOW             PEOTONE                 41.33N 87.80W
01/12/2012  M3.1 INCH        WILL               IL   PUBLIC

0400 PM     SNOW             OHARE AIRPORT           41.98N 87.90W
01/12/2012  M1.9 INCH        COOK               IL   OFFICIAL NWS OBS

            STORM TOTAL THROUGH 400 PM.

0400 PM     SNOW             ROCKFORD AIRPORT        42.20N 89.10W
01/12/2012  M2.8 INCH        WINNEBAGO          IL   OFFICIAL NWS OBS

            STORM TOTAL THROUGH 400 PM.

0400 PM     SNOW             PEOTONE                 41.33N 87.80W
01/12/2012  M2.1 INCH        WILL               IL   COCORAHS

            STORM TOTAL SO FAR.

0405 PM     SNOW             CHICAGO                 41.88N 87.63W
01/12/2012  M3.2 INCH        COOK               IL   TRAINED SPOTTER

            STORM TOTAL SO FAR NEAR MIDWAY AIRPORT.

0405 PM     SNOW             NAPERVILLE              41.76N 88.15W
01/12/2012  M3.2 INCH        DUPAGE             IL   TRAINED SPOTTER

            STORM TOTAL SO FAR. LIGHT SNOW FALLING.

0420 PM     SNOW             GIBSON CITY             40.47N 88.38W
01/12/2012  M1.5 INCH        FORD               IL   PUBLIC

0420 PM     SNOW             LOVES PARK              42.34N 89.01W
01/12/2012  M4.5 INCH        WINNEBAGO          IL   BROADCAST MEDIA

0424 PM     SNOW             CAPRON                  42.40N 88.74W
01/12/2012  M4.4 INCH        BOONE              IL   BROADCAST MEDIA

0425 PM     SNOW             LOVES PARK              42.34N 89.01W
01/12/2012  M4.5 INCH        WINNEBAGO          IL   PUBLIC

0430 PM     SNOW             WAUKEGAN                42.37N 87.87W
01/12/2012  M2.2 INCH        LAKE               IL   PUBLIC

            STORM TOTAL SO FAR NEAR CHICAGO/WAUKEGAN REGIONAL
            AIRPORT. SNOW HAS BECOME FLUFFIER THAN EARLIER.

0430 PM     SNOW             ARLINGTON HEIGHTS       42.09N 87.98W
01/12/2012  M3.0 INCH        COOK               IL   TRAINED SPOTTER

            STORM TOTAL SO FAR.

0430 PM     SNOW             ROGERS PARK             42.01N 87.67W
01/12/2012  M3.5 INCH        COOK               IL   BROADCAST MEDIA

            STORM TOTAL SO FAR. LIGHT SNOW FALLING AT TIME OF REPORT.
            VERY FINE SNOWFLAKES.

0430 PM     SNOW             3 SW MIDWAY AIRPORT     41.75N 87.79W
01/12/2012  M3.2 INCH        COOK               IL   CO-OP OBSERVER

            3 INCHES ON THE GROUND

0440 PM     SNOW             2 E SCHAUMBURG          42.03N 88.04W
01/12/2012  M2.9 INCH        COOK               IL   COCORAHS

            STORM TOTAL SO FAR. VERY LIGHT SNOW AT TIME OF REPORT
            AFTER 30 MINUTES OF MODERATE SNOW RATE.

0440 PM     SNOW             MACHESNEY PARK          42.36N 89.04W
01/12/2012  M5.0 INCH        WINNEBAGO          IL   BROADCAST MEDIA

0450 PM     SNOW             BELVIDERE               42.25N 88.85W
01/12/2012  M4.9 INCH        BOONE              IL   BROADCAST MEDIA

0450 PM     SNOW             FOX LAKE                42.42N 88.18W
01/12/2012  M2.4 INCH        LAKE               IL   TRAINED SPOTTER

0500 PM     SNOW             2 ESE ROSCOE            42.41N 88.97W
01/12/2012  M3.2 INCH        WINNEBAGO          IL   COCORAHS

            STORM TOTAL SO FAR.

0510 PM     SNOW             CRYSTAL LAKE            42.23N 88.33W
01/12/2012  M3.0 INCH        MCHENRY            IL   CO-OP OBSERVER

0510 PM     SNOW             2 E SCHAUMBURG          42.03N 88.04W
01/12/2012  M3.2 INCH        COOK               IL   COCORAHS

            STORM TOTAL SO FAR. 0.3 INCHES SINCE PREVIOUS REPORT.
            VERY LIGHT SNOW FALLING.

0510 PM     SNOW             DOWNERS GROVE           41.80N 88.02W
01/12/2012  M3.4 INCH        DUPAGE             IL   PUBLIC

0515 PM     SNOW             2 WSW ELK GROVE VILLAGE 41.99N 88.03W
01/12/2012  M2.4 INCH        DUPAGE             IL   COCORAHS

            STORM TOTAL SO FAR. 0.6 INCHES SINCE 315 PM. LIGHT SNOW
            AT TIME OF REPORT...WITH MINOR BLOWING AND DRIFTING.

0525 PM     SNOW             WAUKEGAN                42.37N 87.87W
01/12/2012  M2.6 INCH        LAKE               IL   PUBLIC

            STORM TOTAL SO FAR. MODERATE SNOW AT REPORT TIME.

0530 PM     SNOW             1 WSW BATAVIA           41.85N 88.32W
01/12/2012  M3.3 INCH        KANE               IL   COCORAHS

            STORM TOTAL SO FAR. LIGHT TO MODERATE SNOW AT TIME OF
            OBSERVATION.

0530 PM     SNOW             4 SE AURORA             41.73N 88.24W
01/12/2012  M2.5 INCH        DUPAGE             IL   COCORAHS

            STORM TOTAL SO FAR.

0535 PM     SNOW             YORKVILLE               41.64N 88.45W
01/12/2012  M5.2 INCH        KENDALL            IL   TRAINED SPOTTER

0600 PM     SNOW             MCHENRY                 42.34N 88.29W
01/12/2012  E3.0 INCH        MCHENRY            IL   COCORAHS

            3 INCHES ON THE GROUND

0600 PM     SNOW             ROMEOVILLE              41.65N 88.09W
01/12/2012  M4.0 INCH        WILL               IL   OFFICIAL NWS OBS

            STORM TOTAL SO FAR. LIGHT SNOW AT OBSERVATION. 2.2 INCHES
            SINCE 1200 PM.

0600 PM     SNOW             ROCKFORD AIRPORT        42.20N 89.10W
01/12/2012  M3.6 INCH        WINNEBAGO          IL   OFFICIAL NWS OBS

            6 HOUR TOTAL FROM NOON TO 6 PM WAS 1.8 INCHES

0600 PM     SNOW             1 ENE PEOTONE           41.34N 87.78W
01/12/2012  M3.9 INCH        WILL               IL   COCORAHS

            4 INCHES ON THE GROUND

0600 PM     SNOW             OHARE AIRPORT           41.98N 87.90W
01/12/2012  M2.3 INCH        COOK               IL   OFFICIAL NWS OBS

            6 HOUR TOTAL NOON TO 6 PM WAS 1.4 INCHES

0600 PM     SNOW             3 SW MIDWAY AIRPORT     41.75N 87.79W
01/12/2012  M3.4 INCH        COOK               IL   CO-OP OBSERVER

            0.29 WATER.

0605 PM     SNOW             ELBURN                  41.89N 88.47W
01/12/2012  M4.7 INCH        KANE               IL   TRAINED SPOTTER

            LATEST STORM TOTAL AS OF 6 PM.

0615 PM     SNOW             SOUTH BARRINGTON        42.09N 88.15W
01/12/2012  M2.2 INCH        COOK               IL   COCORAHS

0620 PM     SNOW             HOMEWOOD                41.56N 87.66W
01/12/2012  M2.4 INCH        COOK               IL   COCORAHS

0630 PM     SNOW             LOMBARD                 41.87N 88.01W
01/12/2012  M3.0 INCH        DUPAGE             IL   COCORAHS

            3 INCHES ON THE GROUND

0630 PM     SNOW             CHICAGO RIDGE           41.70N 87.78W
01/12/2012  M4.5 INCH        COOK               IL   PUBLIC

            STORM TOTAL SO FAR. STILL SNOWING AT TIME OF REPORT.

0640 PM     SNOW             VALPARAISO              41.48N 87.05W
01/12/2012  E1.5 INCH        PORTER             IN   TRAINED SPOTTER

            ESTIMATED STORM TOTAL SO FAR AT VALPARAISO UNIVERSITY.
            STILL SNOWING.

0648 PM     SNOW             5 E DAVIS JUNCTION      42.10N 88.99W
01/12/2012  M5.0 INCH        OGLE               IL   PUBLIC

            STORM TOTAL SO FAR IN MONROE CENTER. RELAYED BY WREX.

0700 PM     SNOW             3 WNW BULL VALLEY       42.33N 88.40W
01/12/2012  M4.9 INCH        MCHENRY            IL   COCORAHS

            STORM TOTAL SO FAR. STILL SNOWING AND WIND IS
            INCREASING...LEADING TO BLOWING SNOW.

0700 PM     SNOW             EVANSTON                42.05N 87.69W
01/12/2012  M4.0 INCH        COOK               IL   TRAINED SPOTTER

0700 PM     SNOW             1 NW NAPERVILLE         41.77N 88.17W
01/12/2012  M3.0 INCH        DUPAGE             IL   COCORAHS

0705 PM     SNOW             KANKAKEE                41.12N 87.86W
01/12/2012  M2.0 INCH        KANKAKEE           IL   COCORAHS

            2.0 INCHES IN THE PAST 3.5 HOURS - 4 INCHES ON THE GROUND


0708 PM     SNOW             PALATINE                42.14N 88.01W
01/12/2012  M4.5 INCH        COOK               IL   TRAINED SPOTTER

            JUST A HAIR UNDER 4.5 INCHES SO FAR TODAY. LIGHT TO
            MODERATE SNOW STILL FALLING.

0730 PM     SNOW             ROSELLE                 41.98N 88.08W
01/12/2012  M5.5 INCH        DUPAGE             IL   TRAINED SPOTTER

            STORM TOTAL SO FAR.

0739 PM     SNOW             1 ESE ARLINGTON HEIGHTS 42.09N 87.96W
01/12/2012  M4.7 INCH        COOK               IL   TRAINED SPOTTER

            STORM TOTAL SO FAR.

0754 PM     SNOW             BOLINGBROOK             41.70N 88.08W
01/12/2012  M4.3 INCH        WILL               IL   PUBLIC

            STORM TOTAL SNOWFALL SO FAR. LIGHT TO MODERATE SNOW AT
            TIME OF OBSERVATION. SIGNIFICANT DRIFTING...WITH HIGHEST
            DRIFT TO 15 INCHES.

0757 PM     SNOW             NAPERVILLE              41.76N 88.15W
01/12/2012  M4.2 INCH        DUPAGE             IL   TRAINED SPOTTER

            STORM TOTAL SO FAR IN SOUTHEAST NAPERVILE. LIGHT SNOW
            FALLING AT OBSERVATION. 1 INCH FELL SINCE 500 PM.

0800 PM     SNOW             2 NE GURNEE             42.40N 87.91W
01/12/2012  M3.0 INCH        LAKE               IL   COCORAHS

            STORM TOTAL SO FAR. STILL SNOWING.

0800 PM     SNOW             WSW CHICAGO RIDGE       41.70N 87.78W
01/12/2012  M3.5 INCH        COOK               IL   COCORAHS

            STORM TOTAL SO FAR. MODERATE SNOWFALL AT TIME OF
            REPORT...WITH STRONG WESTERLY WINDS AND DRIFTING SNOW.

0800 PM     SNOW             2 E SCHAUMBURG          42.03N 88.04W
01/12/2012  M3.3 INCH        COOK               IL   COCORAHS

            STORM TOTAL SO FAR. VERY LIGHT SNOW AND GUSTY WEST WINDS
            AT TIME OF REPORT.

0800 PM     SNOW             WADSWORTH               42.44N 87.92W
01/12/2012  M3.5 INCH        LAKE               IL   BROADCAST MEDIA

            STORM TOTAL SO FAR.

0800 PM     SNOW             OAK BROOK               41.84N 87.95W
01/12/2012  M3.6 INCH        DUPAGE             IL   CO-OP OBSERVER

            STORM TOTAL SO FAR.

0800 PM     SNOW             CHICAGO                 41.88N 87.63W
01/12/2012  E3.7 INCH        COOK               IL   PUBLIC

            ESTIMATED STORM TOTAL SO FAR IN GARFIELD RIDGE/MIDWAY
            AREA. ABOUT 0.5 INCHES BETWEEN 630 PM AND 800 PM.

0803 PM     SNOW             FRANKFORT               41.50N 87.84W
01/12/2012  M5.0 INCH        WILL               IL   TRAINED SPOTTER

            STORM TOTAL SO FAR.

0805 PM     SNOW             HIGHLAND                41.55N 87.46W
01/12/2012  M3.0 INCH        LAKE               IN   PUBLIC

            STORM TOTAL SO FAR. 0.5 INCHES FROM 5PM TO 805PM.

0815 PM     SNOW             2 WSW ELK GROVE VILLAGE 41.99N 88.03W
01/12/2012  M2.5 INCH        DUPAGE             IL   COCORAHS

            STORM TOTAL SO FAR. LIGHT SNOW AT TIME OF REPORT...WITH
            BLOWING AND DRIFTING OF SNOW ON GROUND.

0815 PM     SNOW             WOODSTOCK               42.31N 88.44W
01/12/2012  M5.0 INCH        MCHENRY            IL   TRAINED SPOTTER

            STORM TOTAL SO FAR.

0815 PM     SNOW             NW ELBURN               41.89N 88.47W
01/12/2012  M6.0 INCH        KANE               IL   COCORAHS

            STORM TOTAL SO FAR. MODERATE SNOW AT TIME OF
            REPORT...WITH SOME BLOWING AND DRIFTING.

0815 PM     SNOW             BATAVIA                 41.85N 88.30W
01/12/2012  M4.8 INCH        KANE               IL   TRAINED SPOTTER

            STORM TOTAL SO FAR.

0817 PM     SNOW             DIXON                   41.85N 89.48W
01/12/2012  M4.0 INCH        LEE                IL   PUBLIC

            STORM TOTAL SO FAR. RELAYED BY WTVO.

0830 PM     SNOW             FOX LAKE                42.42N 88.18W
01/12/2012  M3.7 INCH        LAKE               IL   TRAINED SPOTTER

            STORM TOTAL SO FAR.

0830 PM     SNOW             KENTLAND                40.77N 87.45W
01/12/2012  M4.3 INCH        NEWTON             IN   TRAINED SPOTTER

            STORM TOTAL SO FAR. MODERATE SNOW AT TIME OF
            REPORT...WITH SIGNIFICANT BLOWING AND DRIFTING.

0830 PM     SNOW             3 WNW BULL VALLEY       42.33N 88.40W
01/12/2012  M6.1 INCH        MCHENRY            IL   COCORAHS

            STORM TOTAL SO FAR. SIGNIFICANT BLOWING AND DRIFTING.

0841 PM     SNOW             CHICAGO                 41.88N 87.63W
01/12/2012  M4.7 INCH        COOK               IL   TRAINED SPOTTER

            STORM TOTAL SO FAR NEAR MIDWAY AIRPORT.

0847 PM     SNOW             GENEVA                  41.88N 88.31W
01/12/2012  E5.0 INCH        KANE               IL   PUBLIC

            ESTIMATED STORM TOTAL SO FAR. MODERATE SNOW FALLING AT
            TIME OF REPORT.

0849 PM     SNOW             ROCKFORD                42.27N 89.06W
01/12/2012  M6.0 INCH        WINNEBAGO          IL   BROADCAST MEDIA

            STORM TOTAL SO FAR MEASURED BY WREX METEOROLOGIST IN
            DOWNTOWN ROCKFORD.

0850 PM     SNOW             ELBURN                  41.89N 88.47W
01/12/2012  M6.2 INCH        KANE               IL   CO-OP OBSERVER

            0.5 INCHES IN THE LAST HOUR WITH A LOT OF BLOWNING AND
            DRIFTING SNOW. STORM TOTAL AS OF 850 PM.

0853 PM     SNOW             ELGIN                   42.04N 88.29W
01/12/2012  M4.2 INCH        KANE               IL   PUBLIC

0900 PM     SNOW             PEOTONE                 41.33N 87.80W
01/12/2012  M5.0 INCH        WILL               IL   TRAINED SPOTTER

            STORM TOTAL SO FAR.

0900 PM     SNOW             5 NW POLO               42.04N 89.65W
01/12/2012  M5.2 INCH        OGLE               IL   CO-OP OBSERVER

            STORM TOTAL SO FAR.

0900 PM     SNOW             STREAMWOOD              42.02N 88.17W
01/12/2012  M4.1 INCH        COOK               IL   TRAINED SPOTTER

            STORM TOTAL SO FAR.

0900 PM     SNOW             WOODSTOCK               42.31N 88.44W
01/12/2012  M4.0 INCH        MCHENRY            IL   PUBLIC

            STORM TOTAL SO FAR.

0905 PM     SNOW             NORTHBROOK              42.13N 87.83W
01/12/2012  M5.7 INCH        COOK               IL   TRAINED SPOTTER

            STORM TOTAL SO FAR. 3.2 INCHES BETWEEN 3PM AND 9PM. ROADS
            SNOW-COVERED.

0909 PM     SNOW             SSE BOURBONNAIS         41.16N 87.88W
01/12/2012  M5.0 INCH        KANKAKEE           IL   COCORAHS

            STORM TOTAL SO FAR. 1 INCHES FELL IN THE TWO HOURS UP TO
            REPORT TIME. SIGNIFICANT BLOWING AND DRIFTING OF SNOW.

0910 PM     SNOW             WAUKEGAN                42.37N 87.87W
01/12/2012  M5.0 INCH        LAKE               IL   PUBLIC

            STORM TOTAL SO FAR NEAR CHICAGO WAUKEGAN REGIONAL
            AIRPORT. MODERATE TO HEAVY BURSTS OF SNOW HAVE OCCURRED
            THIS EVENING...WITH SNOW CONTINUING AT TIME OF REPORT.

0910 PM     SNOW             KANKAKEE                41.12N 87.86W
01/12/2012  E4.5 INCH        KANKAKEE           IL   PUBLIC

            ESTIMATED STORM TOTAL SO FAR. STILL SNOWING AT A DECENT
            RATE AT TIME OF REPORT. SIGNIFICANT BLOWING AND DRIFTING.


0915 PM     SNOW             VALPARAISO              41.48N 87.05W
01/12/2012  M2.2 INCH        PORTER             IN   TRAINED SPOTTER

            STORM TOTAL SO FAR AT VALPARAISO UNIVERSITY. LIGHT SNOW
            AT TIME OF REPORT.

0915 PM     SNOW             LOVES PARK              42.34N 89.01W
01/12/2012  M6.5 INCH        WINNEBAGO          IL   PUBLIC

            STORM TOTAL SO FAR. RELAYED BY WREX.

0930 PM     SNOW             ARLINGTON HEIGHTS       42.09N 87.98W
01/12/2012  E4.0 INCH        COOK               IL   DEPT OF HIGHWAYS

            ESTIMATED STORM TOTAL SO FAR FROM ARLINGTON HEIGHTS
            DEPARTMENT OF PUBLIC WORKS.

0946 PM     SNOW             ROCKFORD                42.27N 89.06W
01/12/2012  M5.8 INCH        WINNEBAGO          IL   BROADCAST MEDIA

            STORM TOTAL SO FAR ON THE FAR WEST SIDE OF ROCKFORD
            OUTSIDE WTVO STUDIO.

1000 PM     SNOW             CHESTERTON              41.60N 87.06W
01/12/2012  M2.0 INCH        PORTER             IN   TRAINED SPOTTER

            STORM TOTAL SO FAR. LIGHT SNOW AT TIME OF REPORT.

1020 PM     SNOW             4 N BOLINGBROOK         41.76N 88.08W
01/12/2012  M4.9 INCH        DUPAGE             IL   TRAINED SPOTTER

            STORM TOTAL SO FAR IN SOUTH NAPERVILLE.

1025 PM     SNOW             CHANNAHON               41.43N 88.22W
01/12/2012  M4.2 INCH        WILL               IL   NWS EMPLOYEE

1028 PM     SNOW             SSE BOURBONNAIS         41.16N 87.88W
01/12/2012  M5.5 INCH        KANKAKEE           IL   COCORAHS

            STORM TOTAL SO FAR. SNOW CONTINUES TO FALL. SNOW DRIFTS
            OF 10 TO 12 INCHES.

1031 PM     SNOW             LISLE                   41.79N 88.09W
01/12/2012  M5.0 INCH        DUPAGE             IL   TRAINED SPOTTER

            STORM TOTAL SO FAR AT 4 LAKES COMPLEX IN LISLE. LIGHT
            SNOW AT REPORT TIME.

1045 PM     SNOW             BOLINGBROOK             41.70N 88.08W
01/12/2012  M6.0 INCH        WILL               IL   PUBLIC

            STORM TOTAL SO FAR. LIGHT SNOW AT TIME OF REPORT.

1045 PM     SNOW             CHICAGO                 41.88N 87.63W
01/12/2012  E5.2 INCH        COOK               IL   PUBLIC

            ESTIMATED STORM TOTAL AT 92ND AND WESTERN.

1049 PM     SNOW             CREST HILL              41.57N 88.11W
01/12/2012  M6.0 INCH        WILL               IL   TRAINED SPOTTER

            DRIFTS NEAR ONE FOOT.

1100 PM     SNOW             KANKAKEE                41.12N 87.86W
01/12/2012  E5.5 INCH        KANKAKEE           IL   PUBLIC

            ESTIMATED STORM TOTAL. SIGNIFICANT DRIFTING.

1100 PM     SNOW             NILES                   42.03N 87.81W
01/12/2012  E6.2 INCH        COOK               IL   PUBLIC

1109 PM     SNOW             CHICAGO RIDGE           41.70N 87.78W
01/12/2012  M6.5 INCH        COOK               IL   PUBLIC

            STORM TOTAL SO FAR.

1109 PM     SNOW             CHICAGO RIDGE           41.70N 87.78W
01/12/2012  M6.5 INCH        COOK               IL   PUBLIC

            STORM TOTAL SO FAR.

1115 PM     SNOW             BATAVIA                 41.85N 88.30W
01/12/2012  M6.0 INCH        KANE               IL   TRAINED SPOTTER

            STORM TOTAL SO FAR. VERY LIGHT SNOW FALLING AT TIME OF
            REPORT. 2.5 INCHES OF SNOW FROM 730 PM UNTIL REPORT TIME.


1151 PM     SNOW             LAKE ZURICH             42.19N 88.09W
01/12/2012  E7.0 INCH        LAKE               IL   TRAINED SPOTTER

            SNOW HAS STOPPED. CONTINUES TO BLOW AND DRIFT.

1200 AM     SNOW             ROCKFORD AIRPORT        42.20N 89.10W
01/13/2012  M4.5 INCH        WINNEBAGO          IL   OFFICIAL NWS OBS

            STORM TOTAL 4.5 INCHES.

1200 AM     SNOW             LISLE                   41.79N 88.09W
01/13/2012  M5.0 INCH        DUPAGE             IL   TRAINED SPOTTER

1200 AM     SNOW             3 SW MIDWAY AIRPORT     41.75N 87.79W
01/13/2012  M5.7 INCH        COOK               IL   CO-OP OBSERVER

            STORM TOTAL 5.7 INCHES. SNOW DEPTH 6 INCHES. WATER
            EQUIVALENT 0.49 INCHES.

1200 AM     SNOW             ROMEOVILLE              41.65N 88.09W
01/13/2012  M6.0 INCH        WILL               IL   OFFICIAL NWS OBS

            STORM TOTAL 6.0 INCHES AT THE NWS OFFICE.

1200 AM     SNOW             OHARE AIRPORT           41.98N 87.90W
01/13/2012  M4.7 INCH        COOK               IL   OFFICIAL NWS OBS

            STORM TOTAL 4.7 INCHES.

1213 AM     SNOW             CREST HILL              41.57N 88.11W
01/13/2012  M6.8 INCH        WILL               IL   TRAINED SPOTTER

1220 AM     SNOW             DE KALB                 41.93N 88.75W
01/13/2012  M5.3 INCH        DEKALB             IL   PUBLIC

0421 AM     SNOW             DOWNERS GROVE           41.80N 88.02W
01/13/2012  M6.4 INCH        DUPAGE             IL   TRAINED SPOTTER

            STORM TOTAL. SNOW DEPTH WAS 6.0 INCHES.

0520 AM     SNOW             PORTAGE                 41.59N 87.18W
01/13/2012  M6.0 INCH        PORTER             IN   TRAINED SPOTTER

            STORM TOTAL 6.0 INCHES.

0550 AM     SNOW             3 SW MIDWAY AIRPORT     41.75N 87.79W
01/13/2012  M6.0 INCH        COOK               IL   CO-OP OBSERVER

            STORM TOTAL 6.0 INCHES. SNOW DEPTH 6 INCHES. WATER
            EQUIVALENT 0.50 INCHES.

0555 AM     SNOW             WOODSTOCK               42.31N 88.44W
01/13/2012  M5.5 INCH        MCHENRY            IL   CO-OP OBSERVER

            STORM TOTAL 5.5 INCHES.

0555 AM     SNOW             OHARE AIRPORT           41.98N 87.90W
01/13/2012  M4.9 INCH        COOK               IL   OFFICIAL NWS OBS

            STORM TOTAL 4.9 INCHES...0.2 INCHES SINCE MIDNIGHT.

0555 AM     SNOW             ROCKFORD AIRPORT        42.20N 89.10W
01/13/2012  M4.8 INCH        WINNEBAGO          IL   OFFICIAL NWS OBS

            STORM TOTAL 4.8 INCHES...0.3 INCHES SINCE MIDNIGHT.


&&

$$

BDEUBEL

Late First Appreciable Snowfall

PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE CHICAGO IL
227 AM CST FRI JAN 13 2012 /327 AM EST FRI JAN 13 2012/

...A LATE SEASON FIRST APPRECIABLE SNOWFALL...

THIS WINTER SEASON HAD A REMARKABLY SLOW START TO IT THROUGH THE
FIRST WEEK AND A HALF OF JANUARY...WITH BOTH LITTLE SNOW AND MILD
TEMPERATURES. THERE HAD YET TO BE A SINGLE TWO INCH SNOW EVENT IN
EITHER CHICAGO OR ROCKFORD THROUGH THAT TIME. AFTER ONE FINAL
VERY MILD DAY IN THE 50S ON JANUARY 11TH...TEMPERATURES PLUNGED
AND SNOW OVERSPREAD THE AREA ON JANUARY 12TH. WIDESPREAD SNOWFALL
AMOUNTS OF 4 TO 7 INCHES WERE SEEN ACROSS THE AREA DURING THE
CALENDAR DAY OF THE 12TH. THE FOLLOWING STATISTICS ATTEMPT TO PUT
INTO PERSPECTIVE HOW LATE OF A START THIS WAS FOR A FIRST
APPRECIABLE EVENT.


.CHICAGO...

4.7 INCHES OF SNOW WAS OFFICIALLY MEASURED AT CHICAGO O`HARE
INTERNATIONAL AIRPORT ON JANUARY 12TH. FOR THE 2011-2012 WINTER
SEASON...THIS WAS THE FIRST EVENT THAT PRODUCED AT LEAST TWO
INCHES OF SNOWFALL. THROUGH THE PAST ONE HUNDRED YEARS...THE
AVERAGE DAY WITH TWO INCHES OF SNOW AT CHICAGO IS DECEMBER 16TH. IN
THAT TIME...THERE HAVE ONLY BEEN ELEVEN WINTERS TO SEE A FIRST TWO
INCH PLUS SNOW IN A DAY LATER THAN THE 2011-2012 WINTER. THERE
HAVE ONLY BEEN FOUR WINTERS SINCE 1940 /RETURN FREQUENCY OF ONCE
EVERY 18 YEARS/. THIS LATE OF A FIRST TWO INCH SNOWFALL HAD NOT
BEEN SEEN SINCE THE 2001-2002 WINTER...WHEN THE FIRST TWO INCH
PLUS EVENT MATERIALIZED ON JANUARY 16TH 2002. THE LATEST IN THE
PAST ONE HUNDRED YEARS WAS DURING THE 1930-1931 WINTER...WHEN THE
FIRST TWO PLUS INCH EVENT DID NOT OCCUR UNTIL MARCH 7 1931.


.ROCKFORD...

THE JANUARY 12TH CALENDAR DAY BROUGHT 4.5 INCHES OF SNOW OFFICIALLY
AT ROCKFORD. THIS WAS THE FIRST EVENT WITH AT LEAST TWO INCHES OF
SNOWFALL THIS SEASON. LOOKING BACK SINCE 1940..THE AVERAGE FIRST
CALENDAR DAY WITH TWO INCHES OF SNOW IN ROCKFORD DURING A WINTER
SEASON IS DECEMBER 7TH. IN THOSE PAST 71 YEARS...THERE HAVE ONLY
BEEN THREE WINTERS TO SEE A FIRST TWO INCH PLUS SNOW IN A DAY
LATER THAN THE 2011-2012 WINTER /RETURN FREQUENCY OF ONCE EVERY 24
YEARS/. THIS LATE OF A FIRST TWO INCH SNOWFALL HAD NOT BEEN SEEN
SINCE THE 2001-2002 WINTER...WHEN THE FIRST TWO INCH PLUS EVENT
MATERIALIZED ON JANUARY 16TH 2002. THE LATEST SINCE 1940 WAS
DURING THE 1980-1981 WINTER...WHEN THE FIRST TWO INCH PLUS EVENT
DID NOT OCCUR UNTIL FEBRUARY 10 1981.

$$


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