The destruction of Hurricane Irma in St Thomas, US Virgin Islands. All photos Ian Brown / AP Photo
This image made from video shows damage from Hurricane Irma in St. Thomas, U.S. Virgin Islands, Thursday, Sept. 7, 2017. Hurricane Irma weakened slightly Thursday with sustained winds of 175 mph, according to the National Hurricane Center. The storm boasted 185 mph winds for a more than 24-hour period, making it the strongest storm ever recorded in the Atlantic Ocean. The storm was expected to arrive in Cuba by Friday. It could hit the Florida mainland by late Saturday, according to hurricane center models. (AP Photo/Ian Brown)
This image made from video shows flooding caused by Hurricane Irma on Charlotte Amalie, in St. Thomas, U.S. Virgin Islands, Thursday, Sept. 7, 2017. Hurricane Irma weakened slightly Thursday with sustained winds of 175 mph, according to the National Hurricane Center. The storm boasted 185 mph winds for a more than 24-hour period, making it the strongest storm ever recorded in the Atlantic Ocean. The storm was expected to arrive in Cuba by Friday. It could hit the Florida mainland by late Saturday, according to hurricane center models. (AP Photo/Ian Brown)
This image made from video shows several damaged houses by Hurricane Irma in St. Thomas, U.S. Virgin Islands, Thursday, Sept. 7, 2017. Hurricane Irma weakened slightly Thursday with sustained winds of 175 mph, according to the National Hurricane Center. The storm boasted 185 mph winds for a more than 24-hour period, making it the strongest storm ever recorded in the Atlantic Ocean. The storm was expected to arrive in Cuba by Friday. It could hit the Florida mainland by late Saturday, according to hurricane center models. (AP Photo/Ian Brown)
In this image made from video, motorists remove debris caused by Hurricane Irma from the road in St. Thomas, U.S. Virgin Islands, Thursday, Sept. 7, 2017. Hurricane Irma weakened slightly Thursday with sustained winds of 175 mph, according to the National Hurricane Center. The storm boasted 185 mph winds for a more than 24-hour period, making it the strongest storm ever recorded in the Atlantic Ocean. The storm was expected to arrive in Cuba by Friday. It could hit the Florida mainland by late Saturday, according to hurricane center models. (AP Photo/Ian Brown)
In this image made from video, neighbors clear debris from the road in St. Thomas, U.S. Virgin Islands, Thursday, Sept. 7, 2017. Hurricane Irma weakened slightly Thursday with sustained winds of 175 mph, according to the National Hurricane Center. The storm boasted 185 mph winds for a more than 24-hour period, making it the strongest storm ever recorded in the Atlantic Ocean. The storm was expected to arrive in Cuba by Friday. It could hit the Florida mainland by late Saturday, according to hurricane center models. (AP Photo/Ian Brown)