Complex sentence: On March 6, Tropical Depression 11F developed under an upper trough of low pressure about 220 km (140 mi), to the northeast of Nadi, Fiji, however convection surrounding the depression was displaced, to the north of the low level circulation center.
Split into simpler sentences: On March 6, Tropical Depression 11F developed under an upper trough of low pressure about 220 km (140 mi) to the northeast of Nadi, Fiji. Convection surrounding the depression was displaced to the north of the low level circulation center.