Monsoon trough of the summertime Asian monsoon is in its normal orientation (oriented east-southeast to west-northwest), tropical cyclones along its periphery will move with a westward motion. If it reverses its orientation, orienting southwest to northeast, tropical cyclones will move more poleward. Tropical cyclone tracks with S-shapes tend to be associated with reverse-oriented monsoon troughs. The South Pacific convergence zone and South American convergence zones are generally reverse oriented. The failure of the monsoon trough, or the ITCZ, to move south of the equator in the eastern Pacific Ocean and Atlantic Ocean during the southern hemisphere summer, is considered one of the
Oil Trough, Arkansas Oil Trough, Arkansas Oil Trough is a town in Independence County, Arkansas, United States. The population was 260 at the 2010 census. The town is believed to have acquired its name in the early 19th century from a trough used to render bear fat, which was sold to customers in New Orleans. Oil Trough has been noted for its unusual place name. Odell Pollard, a retired attorney from Searcy and the Arkansas Republican Party chairman from 1966–1970, graduated from Oil Trough High School. Oil Trough is located on the south bank of the White River along Arkansas Highway 14 between