MICROBURST AT MURRAY BRIDGE: MICROBURSTS, DOWNBURSTS AND DOWN-DRAUGHTS WITH REGARD TO GLIDING OPERATIONS, A Case Study of a Micrcburst in South Australia

W. Grace, M. Hancy

Abstract


Photographic observations of a wind raised dust pattern in South Australia are presented as evidence of a microburst. Estimates of dimensions and velocities are obtained and compared to those derived from a simple model based on the conservation of mass and kinetic energy. The hazard presented to aviation and gliding operations by microbursr is discussed.

Keywords


Meteorology, Atmospheric physics, Safety

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