You should pin a few of your used targets to that sign before you put it out next time.
And keep a few strips of those Black Cat fireworks that sound like full auto fire laying around just for laughs. 
I always keep a stash of Black Cats, Real Smoke Grenades, Roman Candles, etc,. Never know,..

..When I lived in Wilmington, NC, Fran and Bertha were about the worst. Fran put water to the bottom of the STOP sign where I lived on Carolina Beach.
Open carried, as allowed by law, with neighbors, we were well stocked with gens, fuel, water and food, in stilt houses,....NG stopped by asked if we needed anything in a semi-rigid, we smiled waved and there was none of this Post Katrina BS.,,,,,
Regions of the country, should the SHTF, will quickly become degraded to lawlessness, like unarmed sections of the "Blue" states.
SOME, will NOT.....