Reports of mosquitoes three times bigger than normal emerged soon after Hurricane Florence passed.
Severe flooding, heavily damaged buildings, uprooted trees and downed power lines appeared widespread in coastal areas near the storm's landfall.
Michael tore through Mexico Beach in the Florida panhandle with winds of up to 155 mph.
The storm was expected to make landfall Wednesday.
Leslie is the 12th named storm to form in the Atlantic during the 2018 hurricane season.
A new study shows climate change and reduced aerosols could have been contributing factors to the intensity of the storms.
The White House fact sheet that detailed the amount spent on recovery came after Donald Trump had repeatedly questioned the death toll from Hurricane Maria in Puerto Rico.
FEMA and the National Guard use the maps to help assess damage and do rescue missions.
"For the last 30 to 40 years we have just chosen at the public level not to adequately maintain our infrastructure."
"I ain't afraid of dying I got no need to explain. I feel like going surfing in this hurricane," the 71-year-old musician captioned an Instagram post.
Republican lawmakers in North Carolina rejected a plan that could have mitigated the problems caused by Hurricane Florence, one scientist says.
The latest Friday path predictions showed Florence heading in the direction of Tennessee and Kentucky.
The latest Hurricane Florence spaghetti models show where the storm could go in the coming days.