Students and staff followed tornado evacuation procedures during class at Indiana University today.
Indiana University officials will activate a test drill on each campus throughout the state using IU-Notify.
National Severe Weather Preparedness Week begins today.
The second, more powerful wave of storms that spawned tornadoes arrived Friday afternoon.
Two fronts colliding over Indiana are expected to produce severe storms.
The National Weather Service has issues severe weather warnings in the state, including a tornado watch in several counties.
Meteorologists say the setup is similar to the system that fueled at least 20 tornadoes Wednesday in the Midwest.
A cold front colliding with unusually warm January temperatures produced severe weather over most of south central Indiana Tuesday morning.
Trained spotters in Paragon clocked thunderstorm wind gusts up to 50 mph and recorded pea size hail.
In 2011 more than three times the average yearly total of tornadoes hit Indiana.