Snowfall Map | Snowfall Amounts | A Late First Snow Storm
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Snowfall Map From Northwest Illinois & Eastern Iowa
An experimental snowfall analysis page can be found here [updated continually]
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. $$