Josephine reached its peak intensity of 65 mph ( 100 km / h ) around 8 a.m. ( EDT ) as it continued to become more organized . However , it were indications that it had already begun to weaken . Outflow towards the north was becoming restricted and arc clouds began emanating from the storm , a sign that dry air was entering the system . During the afternoon hours , the structure of Josephine began to rapidly deteriorate as strong wind shear and dry air took their toll . By the late night , the center was almost completely exposed and only a band of convection persisted near the center .