401  
NWUS53 KLOT 120322  
LSRLOT  
 
PRELIMINARY LOCAL STORM REPORT...SUMMARY  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
922 PM CST MON DEC 11 2017  
   
.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON
 
   
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.
 
 
..REMARKS..  
 
0330 PM SNOW N CAPRON 42.40N 88.74W  
12/11/2017 M1.0 INCH BOONE IL COCORAHS  
 
SNOWFALL IN 90 MINUTES AS OF REPORT TIME.  
 
0400 PM SNOW GRAYSLAKE 42.35N 88.04W  
12/11/2017 M1.4 INCH LAKE IL TRAINED SPOTTER  
 
SNOWFALL IN ONE HOUR. STILL SNOWING MODERATE TO HEAVY AT  
REPORT TIME.  
 
0400 PM SNOW 1 NNW LINDENHURST 42.43N 88.04W  
12/11/2017 E2.0 INCH LAKE IL COCORAHS  
 
SNOWFALL IN TWO HOURS. LIGHT SNOW AT REPORT TIME.  
 
0410 PM SNOW 2 SW FOX LAKE 42.40N 88.21W  
12/11/2017 M2.8 INCH MCHENRY IL PUBLIC  
 
0417 PM SNOW GURNEE 42.38N 87.94W  
12/11/2017 M2.4 INCH LAKE IL PUBLIC  
 
0430 PM SNOW LAKE FOREST 42.24N 87.86W  
12/11/2017 M1.3 INCH LAKE IL PUBLIC  
 
0430 PM SNOW LIBERTYVILLE 42.28N 87.97W  
12/11/2017 E2.0 INCH LAKE IL PUBLIC  
 
SNOW SO FAR RELAYED VIA TWITTER.  
 
0430 PM SNOW WOODSTOCK 42.31N 88.44W  
12/11/2017 E2.5 INCH MCHENRY IL PUBLIC  
 
0435 PM SNOW 1 NNW MARENGO 42.26N 88.61W  
12/11/2017 M2.1 INCH MCHENRY IL COCORAHS  
 
SNOWFALL IN PAST 90 MINUTES.  
 
0455 PM SNOW MCHENRY 42.34N 88.29W  
12/11/2017 M2.5 INCH MCHENRY IL CO-OP OBSERVER  
 
SNOW MEASURED BY WOODSTOCK SUPPLEMENTAL COOP OBSERVER.  
REPORTED THAT ROUTE 31 SOUTH OF MCHENRY IS A SHEET OF  
ICE.  
 
0500 PM SNOW 3 N UNION 42.28N 88.54W  
12/11/2017 M1.8 INCH MCHENRY IL PUBLIC  
 
SENECA TOWNSHIP.  
 
0500 PM SNOW WINNEBAGO 42.27N 89.24W  
12/11/2017 E1.5 INCH WINNEBAGO IL PUBLIC  
 
0500 PM SNOW ROUND LAKE BEACH 42.38N 88.08W  
12/11/2017 E3.0 INCH LAKE IL PUBLIC  
 
0505 PM SNOW SYCAMORE 41.98N 88.70W  
12/11/2017 E2.0 INCH DE KALB IL PUBLIC  
 
0515 PM SNOW W SLEEPY HOLLOW 42.09N 88.31W  
12/11/2017 M0.7 INCH KANE IL COCORAHS  
 
0515 PM SNOW 1 W SLEEPY HOLLOW 42.09N 88.33W  
12/11/2017 M1.4 INCH KANE IL COCORAHS  
 
SNOWFALL IN PAST TWO HOURS UP TO REPORT TIME. LIGHT SNOW  
WINDING DOWN AT REPORT TIME.  
 
0530 PM SNOW DIXON 41.85N 89.48W  
12/11/2017 M1.0 INCH LEE IL BROADCAST MEDIA  
 
0530 PM SNOW 2 WNW BULL VALLEY 42.32N 88.39W  
12/11/2017 M2.4 INCH MCHENRY IL COCORAHS  
 
0534 PM SNOW 2 E SCHAUMBURG 42.03N 88.04W  
12/11/2017 M0.6 INCH COOK IL COCORAHS  
 
SNOWFALL IN 40 MINUTES AS OF REPORT TIME.  
 
0545 PM SNOW MOUNT PROSPECT 42.07N 87.94W  
12/11/2017 M0.8 INCH COOK IL PUBLIC  
 
0548 PM SNOW PALATINE 42.11N 88.04W  
12/11/2017 M1.1 INCH COOK IL NWS EMPLOYEE  
 
MEASURED BY OFF DUTY NWS EMPLOYEE.  
 
0550 PM SNOW OHARE AIRPORT 41.98N 87.90W  
12/11/2017 M1.0 INCH COOK IL OFFICIAL NWS OBS  
 
0600 PM SNOW ROCKFORD AIRPORT 42.20N 89.10W  
12/11/2017 M1.1 INCH WINNEBAGO IL OFFICIAL NWS OBS  
 
SNOWFALL TOTAL.  
 
0600 PM SNOW ST. CHARLES 41.92N 88.30W  
12/11/2017 M1.0 INCH KANE IL COCORAHS  
 
0610 PM SNOW WOODSTOCK 42.31N 88.44W  
12/11/2017 M1.6 INCH MCHENRY IL CO-OP OBSERVER  
 
SNOW TOTAL MEASURED BY SUPPLEMENTAL COOP OBSERVER. LIQUID  
EQUIVALENT 0.17 INCHES.  
 
0615 PM SNOW DE KALB 41.93N 88.75W  
12/11/2017 M1.5 INCH DE KALB IL TRAINED SPOTTER  
 
0618 PM SNOW WESTCHESTER 41.85N 87.89W  
12/11/2017 E1.5 INCH COOK IL PUBLIC  
 
0630 PM SNOW ESE ELK GROVE VILLAGE 42.01N 87.99W  
12/11/2017 M1.3 INCH COOK IL COCORAHS  
 
0630 PM SNOW OHARE AIRPORT 41.98N 87.90W  
12/11/2017 M1.4 INCH COOK IL OFFICIAL NWS OBS  
 
EVENT TOTAL.  
 
0630 PM SNOW 2 WSW ELK GROVE VILLAGE 41.99N 88.03W  
12/11/2017 M1.0 INCH COOK IL COCORAHS  
 
0638 PM SNOW BATAVIA 41.85N 88.30W  
12/11/2017 M1.2 INCH KANE IL TRAINED SPOTTER  
 
SNOW TOTAL.  
 
0638 PM SNOW BATAVIA 41.85N 88.30W  
12/11/2017 M1.2 INCH KANE IL TRAINED SPOTTER  
 
SNOW TOTAL.  
 
0650 PM SNOW 3 SW MIDWAY AIRPORT 41.75N 87.79W  
12/11/2017 M0.6 INCH COOK IL CO-OP OBSERVER  
 
LIQUID EQUIV 0.05  
 

 
 

 
 
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