A sharp cold front and a deep low pressure system brought widespread precipitation to southern Indiana January 12. As temperatures dropped from the 40s and 50s into the 30s and 20s, rain changed over to freezing rain, sleet, and snow.
Every event with a place to put it; 10 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS LMK wrote it up.
A sharp cold front and a deep low pressure system brought widespread precipitation to southern Indiana January 12. As temperatures dropped from the 40s and 50s into the 30s and 20s, rain changed over to freezing rain, sleet, and snow. Snow amounts ranged from 1 to 5 inches, which fell on top a glaze to 1/4 inch of ice. Travel was severely impacted with widespread school and business closures.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Louisville, KY wrote its last area forecast discussion before the first event at Jan 12, 3:21 AM EST, 2 hours 39 minutes earlier.
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</html>Hazardous Weather Outlook National Weather Service Louisville KY 346 PM EST Thu Jan 11 2018 KYZ035>037-039>043-046>049-054>057-064>067-075>078-081-082-122100- Franklin-Scott-Harrison-Anderson-Woodford-Fayette-Bourbon-Nicholas- Washington-Mercer-Jessamine-Clark-Marion-Boyle-Garrard-Madison-Green- Taylor-Casey-Lincoln-Monroe-Metcalfe-Adair-Russell-Cumberland- Clinton- Including the cities of Frankfort, Georgetown, Cynthiana, Lawrenceburg, Versailles, Lexington, Paris, Carlisle, Springfield, Harrodsburg, Nicholasville, Winchester, Lebanon, Danville, Lancaster, Richmond, Greensburg, Campbellsville, Liberty, Stanford, Tompkinsville, Edmonton, Columbia, Jamestown, Burkesville, and Albany 346 PM EST Thu Jan 11 2018 /246 PM CST Thu Jan 11 2018/ ...WINTER WEATHER ADVISORY IN EFFECT FROM 10 AM EST /9 AM CST/ FRIDAY TO 7 AM EST /6 AM CST/ SATURDAY... This hazardous weather outlook is for portions of south central Indiana and Central Kentucky. .DAY ONE...Tonight. No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. Rain is expected to change over to a wintry mix Friday afternoon and then to snow by Friday evening. Ice and snow accumulations are likely, and will cause travel problems especially during the Friday evening rush hour. .SPOTTER INFORMATION STATEMENT... Spotters are requested to report snow and ice accumulations late Friday through Saturday. INZ076>079-083-084-089>092-KYZ023>034-038-045-053-061>063-070>074- 122100- Orange-Washington-Scott-Jefferson-Dubois-Crawford-Perry-Harrison- Floyd-Clark-Hancock-Breckinridge-Meade-Ohio-Grayson-Hardin-Bullitt- Oldham-Trimble-Henry-Shelby-Spencer-Nelson-Larue-Butler-Edmonson- Hart-Logan-Warren-Simpson-Allen-Barren- Including the cities of Paoli, Salem, Scottsburg, Madison, Jasper, English, Tell City, Corydon, New Albany, Jeffersonville, Lewisport, Hawesville, Hardinsburg, Brandenburg, Hartford, Leitchfield, Elizabethtown, Shepherdsville, Louisville, La Grange, Bedford, Milton, New Castle, Shelbyville, Taylorsville, Bardstown, Hodgenville, Morgantown, Brownsville, Horse Cave, Russellville, Bowling Green, Franklin, Providence, Scottsville, and Glasgow 346 PM EST Thu Jan 11 2018 /246 PM CST Thu Jan 11 2018/ ...WINTER STORM WARNING IN EFFECT FROM 4 AM EST /3 AM CST/ FRIDAY TO 1 AM EST /MIDNIGHT CST/ SATURDAY... This hazardous weather outlook is for portions of south central Indiana and Central Kentucky. .DAY ONE...Tonight. Rain will change to freezing rain in parts of southern Indiana just before daybreak Friday. Travel will become hazardous after temperatures drop below freezing. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. Rain will change to freezing rain Friday morning, and then to snow by late afternoon. Significant ice accumulations may result in power outages, especially along and west of the I-65 corridor. Significant snow accumulations are also likely. Travel will become hazardous Friday and Friday night. .SPOTTER INFORMATION STATEMENT... Spotters are requested to report snow and ice accumulations Friday and Saturday. RAS
The national radar mosaic for the moment the first event began.
10 winter storm. Local standard time, as filed.
Between 3 and 5 inches of snow fell on top of 0.1 to 0.2 inches of ice accumulation across the county.
Between 3 and 5 inches of snow fell on top of 0.1 to 0.2 inches of ice accumulation across the county.
Between 3 and 5 inches of snow fell on top of 0.1 to 0.2 inches of ice accumulation across the county.
Between 3 and 5 inches of snow fell on top of 0.1 to 0.2 inches of ice accumulation across the county.
Between 3 and 5 inches of snow fell on top of 0.1 to 0.2 inches of ice accumulation across the county.
Between 3 and 5 inches of snow fell on top of 0.1 to 0.2 inches of ice accumulation across the county.
Between 3 and 5 inches of snow fell on top of 0.1 to 0.2 inches of ice accumulation across the county.
Between 3 and 5 inches of snow fell on top of 0.1 to 0.2 inches of ice accumulation across the county.
Between 3 and 5 inches of snow fell on top of 0.1 to 0.2 inches of ice accumulation across the county.
Between 3 and 5 inches of snow fell on top of 0.1 to 0.2 inches of ice accumulation across the county.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Indiana in 2018Every state in 2018This day in weather historyWarnings in Indiana, January 2018
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-30. Each event’s entry at NCEI: 729150, 729152, 729153, 729154, 729155, 729164, 729165, 729167, 729161, 729162.