February 2-3 Snowfall Totals

A potent and fast-moving upper-level impulse brought a heavy, brief shot at snow along an axis oriented from northwest to southeast.  This axis was aligned roughly from near Kirksville, MO to Carbondale, IL.  Most locations reported between two to four inches within this region within a three-hour period of time.  The highest totals were between 4.0 and 4.5 inches within the St. Louis metropolitan area from Wentzville, MO to Belleville, IL.  This included the NWS office in Weldon Spring and Lambert Airport which both reported exactly 4.0" of snow.  The highest total from this event was 5.0" at Alton Lock and Dam.  Below is a list of reports from around the area courtesy of trained storm spotters, storm chasers, COCORAHS observers, and NWS employees from around St. Charles County in addition to a map of the observed snowfall ending early this morning.

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE ST LOUIS MO
1128 AM CST SUN FEB 03 2013
 
..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..
 
1223 AM     SNOW             WENTZVILLE              38.81N 90.86W
02/03/2013 M4.0 INCH        ST. CHARLES        MO   TRAINED SPOTTER
 
            SNOW HAS STOPPED. STORM TOTAL.
 
1229 AM     SNOW             DARDENNE PRAIRIE        38.75N 90.73W
02/03/2013 M4.5 INCH        ST. CHARLES        MO   NWS EMPLOYEE
 
            STORM TOTAL FROM RETIRED NWS FORECASTER. NEAR FEISE RD
            AND REMBRANDT DRIVE
 
1230 AM     SNOW             2 NNW COTTLEVILLE       38.78N 90.66W
02/03/2013 M4.0 INCH        ST. CHARLES        MO   TRAINED SPOTTER
 
            MEASURABLE SNOW HAS STOPPED.
 
1237 AM     SNOW             WELDON SPRING           38.72N 90.65W
02/03/2013 M4.0 INCH        ST. CHARLES        MO   NWS EMPLOYEE
 
            STORM TOTAL AT THE NWS OFFICE
 
1242 AM     SNOW             WILDWOOD                38.58N 90.66W
02/03/2013 M2.6 INCH        ST. LOUIS          MO   TRAINED SPOTTER
 
            STORM TOTAL
 
1246 AM     SNOW             1 SW NEW HANDOVER       38.38N 90.24W
02/03/2013 M1.8 INCH        MONROE             IL   TRAINED SPOTTER
 
            STORM TOTAL
 
1249 AM     SNOW             HIGH RIDGE              38.46N 90.53W
02/03/2013 M1.2 INCH        JEFFERSON          MO   TRAINED SPOTTER
 
            STORM TOTAL
 
1249 AM     SLEET            BYRNES MILL             38.44N 90.57W
02/03/2013 M0.8 INCH        JEFFERSON          MO   TRAINED SPOTTER
 
            STORM TOTAL
 
1253 AM     SNOW             O`FALLON                38.78N 90.71W
02/03/2013 M3.9 INCH        ST. CHARLES        MO   NWS EMPLOYEE
 
            STORM TOTAL
 
1255 AM     SNOW             CHESTERFIELD            38.65N 90.58W
02/03/2013 M3.5 INCH        ST. LOUIS          MO   BROADCAST MEDIA
 
            STORM TOTAL
 
1259 AM     SNOW             EDWARDSVILLE            38.80N 89.97W
02/03/2013 M2.7 INCH        MADISON            IL   TRAINED SPOTTER
 
            STORM TOTAL
 
1259 AM     SNOW             1 ENE ST. LOUIS         38.64N 90.23W
02/03/2013 M3.5 INCH        ST. LOUIS CITY     MO   TRAINED SPOTTER
 
            STORM TOTAL.
 
0100 AM     SNOW             BELLEVILLE              38.53N 90.00W
02/03/2013 M4.0 INCH        ST. CLAIR          IL   TRAINED SPOTTER
 
0105 AM    SNOW             OVERLAND                38.70N 90.37W
02/03/2013 M3.4 INCH        ST. LOUIS          MO   TRAINED SPOTTER
 
            STORM TOTAL
 
0110 AM     SNOW             ST. LOUIS               38.64N 90.24W
02/03/2013 M4.0 INCH        ST. LOUIS CITY     MO   AMATEUR RADIO
 
            STORM TOTAL
 
0120 AM     SNOW             2 E MAPLEWOOD           38.62N 90.29W
02/03/2013 M3.3 INCH        ST. LOUIS CITY     MO   TRAINED SPOTTER
 
            STORM TOTAL
 
0120 AM     SNOW             SCOTT AFB               38.54N 89.85W
02/03/2013 M3.7 INCH        ST. CLAIR          IL   TRAINED SPOTTER
 
            STORM TOTAL
 
0135 AM     SNOW             5 W WINFIELD            38.99N 90.82W
02/03/2013 M3.0 INCH        LINCOLN            MO   TRAINED SPOTTER
 
            STORM TOTAL
 
0145 AM     SNOW             MARISSA                 38.26N 89.75W
02/03/2013 M2.5 INCH        ST. CLAIR          IL   TRAINED SPOTTER
 
            STORM TOTAL
 
0150 AM     SNOW             GODFREY                 38.97N 90.19W
02/03/2013 M2.8 INCH        MADISON            IL   TRAINED SPOTTER
 
            STORM TOTAL
 
0240 AM     SNOW             2 SSE CAHOKIA           38.54N 90.16W
02/03/2013 M4.0 INCH        ST. CLAIR          IL   TRAINED SPOTTER
 
            STORM TOTAL
 
0253 AM     SNOW             2 SW FENTON             38.52N 90.48W
02/03/2013 M2.0 INCH        ST. LOUIS          MO   TRAINED SPOTTER
 
            STORM TOTAL
 
0304 AM     SNOW             AVISTON                 38.61N 89.61W
02/03/2013 M2.0 INCH        CLINTON            IL   TRAINED SPOTTER
 
            STORM TOTAL
 
0356 AM     SNOW             DU BOIS                 38.22N 89.21W
02/03/2013 M3.0 INCH        WASHINGTON         IL   TRAINED SPOTTER
 
            STORM TOTAL
 
0358 AM     SNOW             NASHVILLE               38.35N 89.38W
02/03/2013 M3.5 INCH        WASHINGTON         IL   PUBLIC
 
            STORM TOTAL
 
0438 AM     SNOW             2 NW O`FALLON           38.80N 90.73W
02/03/2013 M4.1 INCH        ST. CHARLES        MO   NWS EMPLOYEE
 
            STORM TOTAL
 
0456 AM     SNOW             UNION                   38.45N 91.01W
02/03/2013 E0.1 INCH        FRANKLIN           MO   TRAINED SPOTTER
 
            DUSTING. STORM TOTAL.
 
0650 AM     SNOW             TROY                    38.98N 90.98W
02/03/2013 M3.2 INCH        LINCOLN            MO   NWS EMPLOYEE
 
            STORM TOTAL
 
0700 AM     SNOW             WOOD RIVER              38.86N 90.08W
02/03/2013 M2.0 INCH        MADISON            IL   TRAINED SPOTTER
 
            STORM TOTAL
 
0710 AM     SNOW             2 E BELLEVILLE          38.53N 89.97W
02/03/2013 M3.8 INCH        ST. CLAIR          IL   TRAINED SPOTTER
 
            STORM TOTAL
 
0720 AM     SNOW             2 S MARYLAND HEIGHTS    38.70N 90.48W
02/03/2013 M4.0 INCH        ST. LOUIS          MO   TRAINED SPOTTER
 
            STORM TOTAL
 
0720 AM     SNOW             HECKER                  38.30N 89.99W
02/03/2013 M2.0 INCH        MONROE             IL   TRAINED SPOTTER
 
            STORM TOTAL
 
0730 AM     SNOW             LEBANON                 38.60N 89.81W
02/03/2013 M4.0 INCH        ST. CLAIR          IL   TRAINED SPOTTER
 
            STORM TOTAL
 
0800 AM     SNOW             ELSAH                   38.95N 90.35W
02/03/2013 M2.7 INCH        JERSEY             IL   TRAINED SPOTTER
 
            STORM TOTAL
 
0800 AM     SNOW             BELLEVILLE              38.53N 90.00W
02/03/2013 M4.0 INCH        ST. CLAIR          IL   TRAINED SPOTTER
 
            STORM TOTAL
 
0800 AM     SNOW             ST. ANN                 38.73N 90.39W
02/03/2013 M3.4 INCH        ST. LOUIS          MO   TRAINED SPOTTER
 
            STORM TOTAL
 
0847 AM     SNOW             3 N GRAFTON             39.02N 90.43W
02/03/2013 M2.5 INCH        JERSEY             IL   TRAINED SPOTTER
 
            STORM TOTAL
 
0848 AM     SNOW             COLLINSVILLE            38.68N 90.00W
02/03/2013 M4.0 INCH        MADISON            IL   STORM CHASER
 
            STORM TOTAL
 
0849 AM     SNOW             FLORISSANT              38.80N 90.32W
02/03/2013 M3.0 INCH        ST. LOUIS          MO   TRAINED SPOTTER
 
            STORM TOTAL
 
0850 AM     SNOW             TROY                    38.73N 89.89W
02/03/2013 M2.8 INCH        MADISON            IL   TRAINED SPOTTER
 
            STORM TOTAL
 
0940 AM     SNOW             AVISTON                 38.61N 89.61W
02/03/2013 M2.3 INCH        CLINTON            IL   AMATEUR RADIO
 
            STORM TOTAL
 
0945 AM     SNOW             MIDDLETOWN              39.13N 91.41W
02/03/2013 M3.5 INCH        MONTGOMERY         MO   TRAINED SPOTTER
 
            STORM TOTAL
 
0951 AM     SNOW             3 N WINFIELD            39.04N 90.74W
02/03/2013 M3.8 INCH        LINCOLN            MO   TRAINED SPOTTER
 
            STORM TOTAL
 
1000 AM     SNOW             MANCHESTER              38.59N 90.51W
02/03/2013 M2.8 INCH        ST. LOUIS          MO   TRAINED SPOTTER
 
            STORM TOTAL
 
1018 AM     SNOW             WILDWOOD                38.58N 90.66W
02/03/2013 M3.3 INCH        ST. LOUIS          MO   TRAINED SPOTTER
 
            STORM TOTAL
 
1021 AM     SNOW             ST. JACOB               38.72N 89.77W
02/03/2013 M2.0 INCH        MADISON            IL   TRAINED SPOTTER
 
            STORM TOTAL
 
1022 AM     SNOW             O`FALLON                38.78N 90.71W
02/03/2013 M4.0 INCH        ST. CHARLES        MO   UNKNOWN
 
            STORM TOTAL


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