Federal Tax due Extension in Disaster Areas

Hello, I filed my Federal and State taxes about a week ago, but for the state, TT asked me if I was in a County that was declared a disaster area, and I am and checked that box.  TT asked me when I wanted to pay my State taxes, and I chose the date October 16, the deadline.  The other day, the amount due on my State taxes was taken from my checking account, causing a bunch of overdrafts.  Can someone from TT tell me why this happened when it wasn't supposed to come out of my checking until October 16?