Microburst
A Microburst is a form of wind shear that is usually associated with convective activity. It is a severe downdraft that it critical to every type of aircraft flying through it.
Microburst
Like a downburst but on a smaller scale, cross-section of 0.5 - 2 NM. The horizontal wind may average at 45 Kts with a maximum of 90 Kts. It is very dangerous as the phenomena is concentrated over a small area.
Tornadoes ...
Microbursts are generally associated with hot and relatively dry conditions at low levels (such as found in inland Australia), convectively unstable moist air aloft with high (5000 to 15 000 feet) based Cu or TCu.
MICROBURST- A small downburst with outbursts of damaging winds extending 2.5 miles or less. In spite of its small horizontal scale, an intense microburst could induce wind speeds as high as 150 knots ...
August 2 - Delta Air Lines Flight 191, a Lockheed Tristar, crashes on approach to Dallas-Fort Worth International Airport because of wind shear from a sudden microburst thunderstorm. Of the 163 passengers and crew aboard, 29 survive.
 See also: Maintain, Airspeed, Pilot, Direct, Altitude
  
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