A low level center of circulation developed from a tropical disturbance spawned by this tropical wave midway between the African coast and the Caribbean on September 20.
A westward moving tropical wave spawned a broad area of low pressure on May 30, and by May 31 a circulation developed within the system to the southeast of Cozumel, Mexico.
By later that night, a low-level circulation developed partially underneath deep thunderstorm activity.
On October 24, 2006, an area of disturbed weather, characterized by flaring convection around a low-level circulation, developed approximately 595 km (370 mi) east of Guam.
Associated deep convection quickly decreased after tracking westward through the tropical Atlantic Ocean, although by August 13 a broad low pressure area and closed circulation developed along the wave.
By the night of the December 23, a low-level circulation developed in the system, located to the south of the deep convection.
Eventually, a closed circulation center developed by 1310 UTC, over parts of the Mediterranean with sea surface temperatures (SSTs) of approximately 12 C.
The next day, an atmospheric circulation developed.
On January 29, a circulation developed between Agaléga and Tromelin island.
The system interacted with a monsoon-type circulation over Central America, and a broad low-level circulation developed near Cozumel, Mexico.
