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Microbursts
Beginning of essay
The extent to which wind shear presents a hazard to aircraft has
been well documented in the last ten years. Since some wind shear can
occur in otherwise relatively good weather, the most hazardous kind, a
microburst, is associated with rain showers and thunderstorms even thought
the parent storm ....
Middle of essay
....cles. In a microburst, the
downdraft intensifies with heavy rain and when dry air is mixed into the
downdraft causing evaporative cooling and great negative buoyancy. A
Microburst may occur in airmass, multicell, and supercell thunderstorms.
Isolated, single cell storms present a greater hazard to aviation; because,
they are common, small scale, rapidly developing, and they have strong
outflows (Lester 11-5). Larger muliticell storms are usually easier to
avoid because of there bigger size and b.... |
| Number of words: 1333 |
Approximate pages: 5 |
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