Rainfall could reach 18 inches in some areas , forecast says . The governor pre-emptively declared a state of emergency last week . Airboats will rescue people in flooded homes in St. Johns County . Kennedy Space Center will be closed for a second day . Track Fay with CNN 's Storm Tracker .
Rainfall could reach 18 inches in some areas , forecast says . Airboats will rescue people in flooded homes in St. Johns County . Kennedy Space Center will be closed for a second day . Track Fay with CNN 's Storm Tracker .