Under fairly zonal flow aloft, an inverted surface trough pushed toward the Ohio River Valley from the southwest. Enough moisture and lift were realized, as the surface low approached from the southwest, to produce up to 5 inches of snow and up to a half inch of ice accumulation across southern portions of central Indiana. Numerous accidents and slide-offs were reported during this winter weather episode, with a number of accident-related injuries. Multiple school and business closings were reported as well.

Winter Storm in GREENE, INDIANA
From 15-DEC-10 20:30:00 to 16-DEC-10 07:00:00 (EST-5)
Reported by: Emergency Manager

The Greene County EMA reported a tenth to two tenths of an inch of ice accumulation, with less than an inch of snowfall from this winter storm system. The county sheriff also reported about seven to eight vehicle slide-offs. Secondary roads were still ice and snow covered.

Winter Storm in MONROE, INDIANA
From 15-DEC-10 20:30:00 to 16-DEC-10 07:30:00 (EST-5)
Reported by: Emergency Manager

The Monroe County EMA reported a tenth of an inch of ice accumulation, with two to three inches of snowfall from this winter storm system.

Winter Storm in SULLIVAN, INDIANA
From 15-DEC-10 21:00:00 to 16-DEC-10 07:00:00 (EST-5)
Reported by: Law Enforcement

The Sullivan County sheriff's office reported a tenth of an inch of ice accumulation, with less than an inch of snowfall from this winter storm system.

Winter Storm in LAWRENCE, INDIANA
From 15-DEC-10 20:30:00 to 16-DEC-10 07:00:00 (EST-5)
Reported by: Emergency Manager

The Lawrence County EMA reported two to three tenths of an inch of ice accumulation, with one to two inches of snowfall from this winter storm system. One county highway truck was reported to have flipped on its side on Tunnelton Road. The driver and passenger sustained very minor injuries. Another highway truck got stuck trying to get to the accident. Many other accidents and slide-offs were reported.

Winter Storm in MARTIN, INDIANA
From 15-DEC-10 21:00:00 to 16-DEC-10 07:00:00 (EST-5)
Reported by: Trained Spotter

A trained spotter in Martin County reported two to three tenths of an inch of ice accumulation, with one inch of snowfall from this winter storm system.

Winter Storm in JACKSON, INDIANA
From 15-DEC-10 20:30:00 to 16-DEC-10 08:00:00 (EST-5)
Reported by: Emergency Manager

The Jackson County EMA reported four tenths of an inch of ice accumulation, with three to four inches of snowfall from this winter storm system. All schools were reported closed and county roads were reported to be slick and hazardous.

Winter Storm in BROWN, INDIANA
From 15-DEC-10 20:30:00 to 16-DEC-10 08:00:00 (EST-5)
Reported by: Trained Spotter

A trained spotter in Brown County reported a tenth of an inch of ice accumulation, with three inches of snowfall from this winter storm system.

Winter Storm in KNOX, INDIANA
From 15-DEC-10 21:30:00 to 16-DEC-10 06:30:00 (EST-5)
Reported by: Emergency Manager

The Knox County EMA reported two tenths of an inch of ice accumulation, with less than an inch of snowfall from this winter storm system. Multiple vehicle slide-offs were also reported, with emergency vehicles and tow trucks becoming stuck responding to incidents. All schools were closed.
The Vincennes Sun-Commercial reported many area schools and businesses were closed and the Good Samaritan Hospital had 22 cases involving weather-related injuries during the course of the day on Thursday, December 16th. One of the injuries was considered critical, with four of them considered serious. Three minor fender-benders were also reported Thursday morning, but no major accidents.

Winter Storm in DAVIESS, INDIANA
From 15-DEC-10 21:00:00 to 16-DEC-10 07:00:00 (EST-5)
Reported by: Emergency Manager

The Daviess County EMA reported one to three tenths of an inch of ice accumulation, with less than an inch of snowfall from this winter storm system. Numerous vehicle accidents were also reported, with all county schools closed.