The Storm Prediction Center has a 30% chance for severe weather across northern IN & IL. The main severe weather will be damaging wind and hail events associated with the thunderstorms. Storms should arrive in the afternoon and continue through the evening. The storms will exit Indiana by Thursday morning.
Dangerous could to ground lightning will also be associated with these storms. Lightning can kill. Remember the 30/30 rule.
The 30/30 Rule states that people should seek shelter if the "Flash-To-Bang" delay (length of time in seconds between a lightning flash and its subsequent thunder), is 30 seconds or less, and that they remain under cover until 30 minutes after the final clap of thunder.Storm spotter activation could be needed after 2 PM on Wednesday.
2 PM Update:
The SPC is quite confident about the severe weather outlook for Wednesday. I think this map shows Indiana is in for some thunderstorm activity.
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