1. 
   microburst
   pattern of intense winds that descends from rain clouds, hits the ground, and fans out horizontally. Microbursts are short-lived, usually lasting ... [3 related articles]
   Found op http://www.britannica.com/eb/a-z/m/85
   
   
2. 
   Microburst
   A microburst is a very localized column of sinking air, producing damaging divergent and straight-line winds at the surface that are similar to, but distinguishable from, tornadoes, which generally have convergent damage. There are two types of microbursts: wet microbursts and dry microbursts. They...
   Found op http://en.wikipedia.org/wiki/Microburst
   
   
3. 
   microburst
   A small, very intense downdraft affecting an area of less than 4 kilometers wide. Microbursts are capable of producing winds of more than 100 mph causing significant damage on the ground. They are a serious threat to aviation
   Found op http://www.tempesttours.com/tempest_tours_storm_glossary.html
   
   
4. 
   MICROBURST
   A severe localized wind blasting down from a thunderstorm. It covers an area less than 2.5 miles (4 kilometers) in diameter and is of short duration, usually less than 5 minutes. Related term: downburst
   Found op http://www.weather.com/glossary/m.html
   
   
5. 
   Microburst
   The microburst is a downburst which is confined to a small area, less than 4 km (2.5 miles) in diameter from the initial point of downdraft impact and lasting for less than 10 minutes. An intense microburst can result in damaging winds near 280 km/hr (170 mph).
   Found op http://www.islandnet.com/~see/weather/general/wxgls_ad.htm#a
   
   

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