Overview
A mid/upper level low passed by just to the southeast of the forecast area on March 11th with a deformation band forming across our region. Colder air began to funnel into the area during the afternoon hours changing the rain to snow rather quickly from northwest to southeast. This was a difficult event to forecast for due to the warm ground and air temperatures at or above freezing. Thus, the snow had a hard time sticking in places that it didn’t come down hard enough. This was especially true for the Jackson Purchase area of western Kentucky from the Mississippi River to the Lakes Region. Amounts of 2 to 4 inches were common across southeast Illinois into northwest Kentucky and southwest Indiana. There was even a narrow area of 4 to 6 inches.Snow
The graphic below shows snowfall totals for this event. This map is based on observed reports we received and is interpolated in between those observations. The heaviest amounts were confined to portions of far southeast Illinois into far northwest Kentucky and southwest Indiana where amounts up around 4 inches were common, and in some spots up to 6 inches!
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Radar:
Here is a radar loop from 1 PM Sunday March 11th through 3 AM Monday March 12th.
Storm Reports
PRELIMINARY LOCAL STORM REPORT...SUMMARY NATIONAL WEATHER SERVICE PADUCAH KY 146 PM CDT MON MAR 12 2018 ..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON... ..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.... ..REMARKS.. 0458 PM SNOW EVANSVILLE 37.98N 87.54W 03/11/2018 M1.0 INCH VANDERBURGH IN CO-OP OBSERVER SNOW ACCUMULATION THROUGH 5 PM CDT. REPORT RELAYED BY THE EVANSVILLE INDIANA AIRPORT FIRE DEPARTMENT. 0515 PM SNOW SMITHLAND 37.14N 88.40W 03/11/2018 E1.5 INCH LIVINGSTON KY PUBLIC ALL SURFACES COVERED WITH SNOW. PUBLIC REPORT RELAYED BY BEAU DODSON. 0530 PM SNOW EVANSVILLE 37.98N 87.54W 03/11/2018 M1.0 INCH VANDERBURGH IN TRAINED SPOTTER SNOWFALL AS OF 530 PM CDT. HEAVY SNOW STILL BEING REPORTED. SNOW ON VEHICLES AND ROADS ARE SLUSHY. REPORT FROM SOUTHEAST EVANSVILLE...ANGEL MOUNDS AREA. 0545 PM SNOW EVANSVILLE 37.98N 87.54W 03/11/2018 M1.8 INCH VANDERBURGH IN CO-OP OBSERVER SNOWFALL ACCUMULATION AS OF 545 PM CDT. AN INCREASE OF 0.8 INCHES TO SNOWFALL TOTAL IN LAST 45 MINUTES. REPORT RELAYED BY EVANSVILLE AIRPORT FIRE DEPARTMENT. 0600 PM SNOW HARRISBURG 37.74N 88.55W 03/11/2018 M2.8 INCH SALINE IL PUBLIC SNOWFALL AMOUNT AS OF 6 PM CDT. REPORT RELAYED BY BEAU DODSON. 0615 PM SNOW 13 SE HARRISBURG 37.60N 88.38W 03/11/2018 M3.0 INCH SALINE IL TRAINED SPOTTER SNOWFALL SO FAR NEAR SOMERSET ROAD, JUST NORTH OF THE SHAWNEE NATIONAL FOREST AND THE BORDER WITH POPE COUNTY ILLINOIS. 0615 PM SNOW W MCCUTCHANVILLE 38.06N 87.52W 03/11/2018 M2.0 INCH VANDERBURGH IN BROADCAST MEDIA SNOWFALL AS OF 6 PM CDT. REPORT RELAYED BY WEVV-TV METEOROLOGIST. 0630 PM SNOW MORGANFIELD 37.68N 87.91W 03/11/2018 M2.5 INCH UNION KY PUBLIC PUBLIC REPORT VIA SOCIAL MEDIA. 0640 PM SNOW STURGIS 37.55N 87.99W 03/11/2018 M3.0 INCH UNION KY PUBLIC 0640 PM SNOW SHAWNEETOWN 37.71N 88.17W 03/11/2018 M4.5 INCH GALLATIN IL PUBLIC RELAYED VIA TWITTER. 0700 PM SNOW EVANSVILLE 37.98N 87.54W 03/11/2018 M2.8 INCH VANDERBURGH IN TRAINED SPOTTER ANGEL MOUNDS AREA. SOME TREE LIMBS BROKEN AND SOME POWER LINES ARE SAGGING IN NEIGHBORHOOD. 0700 PM SNOW KUTTAWA 37.06N 88.11W 03/11/2018 M2.0 INCH LYON KY TRAINED SPOTTER AS OF 7 PM CDT. REPORT RELAYED FROM BEAU DODSON. 0700 PM SNOW 2 SW KARBERS RIDGE 37.56N 88.36W 03/11/2018 E4.0 INCH HARDIN IL PUBLIC REPORT FROM SOCIAL MEDIA. 0700 PM SNOW ONTON 37.56N 87.44W 03/11/2018 M2.0 INCH WEBSTER KY TRAINED SPOTTER REPORT RELAYED BY BEAU DODSON. 0730 PM SNOW ROCKPORT 37.88N 87.05W 03/11/2018 M2.0 INCH SPENCER IN TRAINED SPOTTER SPOTTER REPORTS MAIN ROADS ARE FAIR, BUT SIDE ROADS ARE BECOMING SLUSHY AND SNOW COVERED. MODERATE SNOW CONTINUES. 0750 PM SNOW W MCCUTCHANVILLE 38.06N 87.52W 03/11/2018 M2.3 INCH VANDERBURGH IN BROADCAST MEDIA UPDATED SNOWFALL TOTAL. LIGHT SNOW STILL FALLING. 0804 PM SNOW MARION 37.33N 88.08W 03/11/2018 E3.5 INCH CRITTENDEN KY PUBLIC REPORT RELAYED FROM BEAU DODSON. 0900 PM SNOW HERALD 37.97N 88.17W 03/11/2018 E6.0 INCH WHITE IL PUBLIC ESTIMATED 6 INCHES OF SNOW. 0930 PM SNOW 3 E NORRIS CITY 37.98N 88.27W 03/11/2018 M4.1 INCH WHITE IL PUBLIC TREE LIMBS DOWN. ROADS IN POOR CONDITION. RECEIVED VIA SOCIAL MEDIA. 0940 PM SNOW MACEO 37.86N 86.99W 03/11/2018 M2.5 INCH DAVIESS KY PUBLIC REPORT FROM SOCIAL MEDIA. 0945 PM SNOW EDDYVILLE 37.08N 88.08W 03/11/2018 M0.8 INCH LYON KY TRAINED SPOTTER RELAYED VIA TWITTER. 0950 PM SNOW SAVAH 38.02N 87.98W 03/11/2018 E3.0 INCH POSEY IN PUBLIC REPORT FROM SOCIAL MEDIA. 0955 PM SNOW HARRISBURG 37.74N 88.55W 03/11/2018 M3.2 INCH SALINE IL LAW ENFORCEMENT MEASURED ON THE SOUTHWEST SIDE OF HARRISBURG. 1021 PM SNOW OWENSBORO 37.76N 87.12W 03/11/2018 M2.5 INCH DAVIESS KY PUBLIC 1021 PM SNOW OWENSBORO 37.76N 87.12W 03/11/2018 E3.0 INCH DAVIESS KY PUBLIC 1022 PM SNOW N MADISONVILLE 37.34N 87.51W 03/11/2018 E1.0 INCH HOPKINS KY PUBLIC 1048 PM SNOW BOONVILLE 38.05N 87.27W 03/11/2018 M2.8 INCH WARRICK IN PUBLIC STORM TOTAL SNOW. REPORT FROM SOCIAL MEDIA. 1115 PM SNOW 2 SW SHAWNEETOWN 37.69N 88.19W 03/11/2018 E5.0 INCH GALLATIN IL PUBLIC RELAYED FROM SOCIAL MEDIA. 1130 PM SNOW 6 SSW GREENVILLE 37.13N 87.22W 03/11/2018 M2.0 INCH MUHLENBERG KY EMERGENCY MNGR HEAVY SNOW STILL FALLING. 0101 AM SNOW MURRAY 36.61N 88.32W 03/12/2018 M0.3 INCH CALLOWAY KY CO-OP OBSERVER STORM TOTAL. 0130 AM SNOW 13 SE HARRISBURG 37.60N 88.38W 03/12/2018 M4.0 INCH SALINE IL TRAINED SPOTTER FINAL SNOWFALL TOTAL NEAR SOMERSET ROAD, JUST NORTH OF THE SHAWNEE NATIONAL FOREST AND THE BORDER WITH POPE COUNTY ILLINOIS. 0130 AM SNOW EICHORN 37.49N 88.41W 03/12/2018 M5.0 INCH HARDIN IL TRAINED SPOTTER STORM TOTAL. 0600 AM SNOW 4 NNE EVANSVILLE 38.04N 87.52W 03/12/2018 M2.0 INCH VANDERBURGH IN TRAINED SPOTTER OFFICIAL STORM TOTAL SNOWFALL AT EVANSVILLE AIRPORT 0800 AM SNOW KUTTAWA 37.06N 88.11W 03/12/2018 E2.0 INCH LYON KY PUBLIC SNOWFALL TOTAL RELAYED VIA FACEBOOK 0800 AM SNOW WHITESVILLE 37.68N 86.87W 03/12/2018 E4.2 INCH DAVIESS KY PUBLIC SNOWFALL TOTAL RELAYED VIA FACEBOOK 0800 AM SNOW LEVIAS 37.31N 88.18W 03/12/2018 E6.0 INCH CRITTENDEN KY PUBLIC SNOWFALL TOTAL. 0800 AM SNOW 6 SSW GREENVILLE 37.13N 87.22W 03/12/2018 M4.0 INCH MUHLENBERG KY EMERGENCY MNGR SNOWFALL TOTAL 0800 AM SNOW CAVE-IN-ROCK 37.47N 88.17W 03/12/2018 E4.0 INCH HARDIN IL PUBLIC SNOWFALL TOTAL 0800 AM SNOW WADESVILLE 38.10N 87.79W 03/12/2018 E4.0 INCH POSEY IN PUBLIC SNOWFALL TOTAL 0800 AM SNOW 4 S NEW HARMONY 38.07N 87.93W 03/12/2018 E4.0 INCH POSEY IN PUBLIC SNOWFALL TOTAL 0800 AM SNOW MADISONVILLE 37.34N 87.51W 03/12/2018 E2.0 INCH HOPKINS KY PUBLIC SNOWFALL TOTAL 0800 AM SNOW FRANCISCO 38.33N 87.45W 03/12/2018 M1.0 INCH GIBSON IN COCORAHS SNOWFALL TOTAL 0800 AM SNOW 6 NW HOLLAND 38.31N 87.12W 03/12/2018 M2.0 INCH PIKE IN COCORAHS SNOWFALL TOTAL 0800 AM SNOW 1 SW SANTA CLAUS 38.11N 86.94W 03/12/2018 M3.2 INCH SPENCER IN COCORAHS SNOWFALL TOTAL 0800 AM SNOW 2 NNE EDDYVILLE 37.10N 88.07W 03/12/2018 M1.8 INCH LYON KY COCORAHS SNOWFALL TOTAL 0800 AM SNOW 3 NW OWENSBORO 37.79N 87.16W 03/12/2018 M4.2 INCH DAVIESS KY COCORAHS SNOWFALL TOTAL 0800 AM SNOW SALEM 37.27N 88.24W 03/12/2018 M2.3 INCH LIVINGSTON KY COCORAHS SNOWFALL TOTAL
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