9-12_0-2days_Wendy Pan

Based on the GFS, the cold front will move through Indiana on late Thursday night and early Friday morning. Significant precipitation is expected. As you can see from the 500MB graph, a deep trough approaches IN on Wednesday afternoon(1800Z).The cyclone system is fairly deep and strong.Large amount of precipitation may happen.It's a good idea to take an umbrella to the party on Thursday night.

9-12 1800Z GFS forecast