A convenience store in Shirley had to close after its roof was damaged in Tuesday’s storm, Mastic Beach fire officials said.

There was extensive damage in the rear of the 7-Eleven store, at 1481 William Floyd Parkway, Fire Chief Carlo Grover said.

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Grover said powerful winds and a weakening structure inside the store contributed to the collapse.

“The wind didn’t help the situation at all,” he said.

Grover said he’s unsure when the 7-Eleven will be allowed to reopen. Brookhaven Town building officials will inspect the store, he said.