following a series of satellite intensity estimates , the system was upgraded Cause_to_make_progress to tropical depression four during the pre-dawn hours of august 24 , and further to tropical storm Catastrophe danielle that afternoon .

the formation of debby marked Recording the earliest formation on record Recording of the fourth named Name_conferral storm within the atlantic basin until this record Recording was beaten Bodily_harm by tropical storm Catastrophe danielle in 2016 .