But according to AL.com, Greene signed a whole lot of gobbledygook, and when he did manage to interpret actual language, much of it was incomplete or not at all what the officials were stating.
With more than 360,000 residents, Manatee County sits about 50 miles south of Tampa.
"It was obvious to me he wasn't a professional interpreter. I was totally shocked".
Chris Wagner is the former president of the National Association for the Deaf.
But Greene was clearly more rusty than he realized and signed words such as pizza, bear and monster during the conference. The government reportedly used a county lifeguard whose brother is deaf, and critics said they should have used a certified interpreter instead.
The county chose to not use an interpreter from VisCom, a professional sign language interpreting service, as it usually does.
He pointed out - Greene was dressed in a bright yellow shirt, a major no-no for deaf interpreters since they always dress in black allowing their hands to be visible.
Greene's family stuck up for him in the midst of the criticism, saying, "He can't expect to communicate something he doesn't know".
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There was outrage among the deaf community when it emerged that a sign language interpreter who warned about "bears and monsters" ahead of Hurricane Irma, was an amateur with no expertise for the role.
"I sorta became a little irate at first", he said.
"They said yes, for the next morning at 9:30 am", she said.
County leaders said they were "in a pinch" when looking for an interpreter.
Manatee County officials delivered emergency evacuation orders on September 8 as the storm was quickly approaching.
The operator of a company that provides deaf interpreters to Manatee County told WPTV that it was "horribly unnerving" for her to watch the press conference.
Officials have admitted they made a mistake, while the area's deaf community has called on them to apologise.