microburst

micro- +‎ burst

microburst (plural microbursts)

1. (meteorology) A strong downdraft, of less than 2.5 miles in diameter, that can cause damaging winds and powerful wind shear.
   • 1986 August 15, National Transportation Safety Board, “Synopsis”, in Aircraft Accident Report: Delta Air Lines, Inc., Lockheed L-1011-385-1, N726DA, Dallas/Fort Worth International Airport, Texas, August 2, 1985‎, archived from the original on 18 March 2021, page 1:

     This resulted in the aircraft’s encounter at low altitude with a microburst-induced, severe wind shear from a rapidly developing thunderstorm located on the final approach course.

• downburst

• macroburst