Outflow boundary a downburst. "Gustnadoes", short-lived vertical circulations near ground level, can be spawned by outflow boundaries. Gust fronts create low-level wind shear which can be hazardous to planes when they takeoff or land. Flying insects are swept along by the prevailing winds. As such, fine line patterns within weather radar imagery, associated with converging winds, are dominated by insect returns. At the surface, clouds of dust can be raised by outflow boundaries. If squall lines form over arid regions, a duststorm known as a haboob can result from the high winds picking up dust in their wake from the desert floor.
Sword in the Desert Home Office and prohibited further public showings of the film in order to prevent further scenes of rowdiness by what it termed fascist elements. It ignored the protest from the National Council for Civil Liberties that its action constituted a ban on free speech. The film was screened in Australia after some cuts but was not shown in Tasmania because of its controversial content. Sword in the Desert Sword in the Desert is a 1949 American war film directed by George Sherman. It was the first American film to deal with the 1947–1948 Civil War in Mandatory Palestine and marked