tropical storm debbie of the 1965 atlantic hurricane season broke Destroying the daily rainfall record in mobile , alabama , despite dissipating offshore .

although debbie had little effect Influence on land , it was extensively researched Research and was subject to a weather modification experiment Research by project stormfury , in which it was seeded Giving with silver iodide .

late on september 6 , debbie passed Motion_directional through the southern cape verde islands as a strong tropical storm Catastrophe or minimal hurricane Catastrophe , resulting in Causation a plane crash that killed Killing 60 people in the islands .

at this point , there is uncertainty as to the structure of debbie , whether it transitioned Change into an extratropical cyclone or maintained Preserving its identity as a tropical system .