In these areas new plant forms evolved from tropical rainforest ancestors to cope with seasonally dry weather, forming tropical deciduous forests.
Saturday's other headliner, the volatile, spooky 1960s-tinged blues-rock band the Dead Weather (formed by Jack White from the White Stripes) had coattails for other '60s-loving bands: the wistful low-fi guitar-pop of Girls, the easy-swaying reveries of Beach House, the gently barbed folk-pop of Camera Obscura and the neo-psychedelic jams of Portugal.
Social systems formed (in part) out of people, the brain formed out of neurons, molecules formed out of atoms, the weather formed out of air currents are all examples of complex systems.
A zone of disturbed weather formed on November 15 in the eastern part of the basin.
An area of disturbed weather formed on August 26 , 2003and drifted westward.
In mid-April, an area of disturbed weather formed over the southern Bay of Bengal and nearby Andaman Sea.
An area of disturbed weather formed well to the southwest of Hawaii, organizing slowly for several days.
Due to a combination of unusually warm sea surface temperatures and the displacement of the ITCZ to north, a small area of disturbed weather formed in early December.
A few days after Tropical Depression Two-C dissipated, another area of disturbed weather formed, and although it was disorganized, it was also persistent.
Ships reports from the Hawaiian Islands to Panama indicated that an area of disturbed weather formed just west of the Revillagigedo island group.
A broad area of disturbed weather formed in association with the wave and the low-level circulation, and after persisting for several days developed a smaller low-level circulation on August 29 about 575 miles (925 km) south-southeast of Cabo San Lucas.
