The sheriff's tweet links to this article, which claims any bullets fired at the storm could potentially be turned around by the winds and come flying back towards the shooter.
Sheriff's officials tweeted Saturday, warning people not to shoot the storm.
One of the organizers of the event, Ryon Edwards, of DeLand, said he couldn't believe some people actually thought the event was serious.
Zeke Murphy genius who wants to shoot at a hurricane
According to The Trace, this problem is particularly salient in a state like Florida, where city officials frequently beg residents to avoid celebratory gunfire on New Year's Eve and the Fourth of July."I never envisioned this event becoming some kind of insane idea larger than myself", Edwards told BBC.
"I never envisioned this event becoming some kind of insane idea larger than myself".
The response was so astounding that the Pasco County Sheriff's office felt the need to step in and warned that shooting weapons at the most risky Atlantic hurricane to hit the USA since records began "will not turn it around". "It has become something a little out of my control", the Independent quoted him as saying.
Hurricane Irma has made landfall in the Florida Keys and has left devastation in its wake.
Mr Edwards said he was surprised by the massive reaction. Florida is a Stand Your Ground state, after all.