After crossing Florida , Hurricane Hunters showed a poor circulation , but with winds higher than tropical storm strength , and the system was designated as Tropical Storm Erika late on August 14 while located 85 miles ( 135 km ) west of Fort Myers . After crossing Florida , Hurricane Hunters indicated a poorly defined circulation , but with winds exceeding tropical storm strength , and the system was designated as Tropical Storm Erika late on August 14 while located 85 miles ( 135 km ) west of Fort Myers .