Some one had the same question as you so here is someone answer.
False salt is good for atleast 5 years
Answer:
Identifying multiple evacuation routes for each area of the community.
Explanation:
This will help every get to safety.
(Why it is not the other answers):
You don't know what areas are going to be affected by the storm.
Fire hydrants are not going to help.
Yes, you want to save people, but it's not safe to do during a hurricane.