Understand. I have a sister and her family who live in or near Jacksonville.I just got that too. My sister is outside of Miami, and while her family can evacuate, She can't... Essential Personnel. Really worried.
Hurricanes can change their trajectory in a heartbeat and what Irma will do is not set in stone - as of yet. It could still miss hitting any land mass, but right now it is looking to be another catastrophic storm. All the people can do is be prepared as much as possible.