By July 22 , Bret had been devoid of strong thunderstorm activity for several hours , prompting Causation the National Hurricane Center to discontinue Process_end public advisories when it was located about 375 miles ( 605 km ) north of Bermuda .

The storm Catastrophe 's center became Becoming devoid of strong thunderstorms later that day , indicating Causation Flossie no longer qualified as a tropical cyclone .

By December 21 , the center of Omeka was devoid of convection and dissipated Removing on the next day .

Increasing wind shear led to Causation the center becoming devoid of convection and the system eventually weakened Cause_change_of_strength to a tropical depression on August 13 .