Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A sudden, violent downdraft of air over a small area. Microbursts are difficult to detect and predict with standard weather instruments and are especially hazardous to airplanes during landing or takeoff.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A strong downdraft, of less than 2.5 miles in diameter, that can cause damaging winds.

Etymologies

micro- +‎ burst (Wiktionary)

Examples

  • One of the storms produced what they call a microburst, with 80-mile-an-hour winds.

    CNN Transcript May 19, 2006

  • No matter how carefully you choose your tree, none can survive a tornado or wind-driven "microburst" -- so make sure to plant where it can never fall on your house or your neighbors '.

    Trees That Stand Up to Storms

  • Curry called it a miracle that everyone on board made it into rafts and survived after the three-masted Concordia apparently experienced a weather phenomenon known as a "microburst" - a sudden, violent downdraft of wind - that instantly crippled the vessel Wednesday.

    Nevada Appeal - Top Stories

  • Curry said the three-masted Concordia apparently experienced a weather phenomenon known as a "microburst" - a sudden, violent downdraft of wind - that instantly crippled the vessel.

    Homepage

  • Curry called it a miracle that everyone on board made it into rafts and survived after the three-masted Concordia apparently experienced a "microburst" - a sudden, violent downdraft of wind - that instantly crippled the vessel Wednesday.

    KansasCity.com: Front Page

  • ADLER: Last August, a short, intense summer storm - called a microburst - downed more than 100 trees in the park.

    After Branch Kills Baby, New Yorkers Look Skyward

  • BONNIE SCHNEIDER, CNN METEOROLOGIST: Well, Betty, a microburst is a rapid downdraft of cooler air coming down.

    CNN Transcript May 3, 2009

  • A microburst is a sudden, violent downdraft of air, kind of similar to a tornado.

    CNN Transcript May 19, 2006

  • In wind shear, you get something called a microburst, and let me show you what a microburst looks like.

    CNN Transcript - Breaking News: Wind Shear Suspected in Singapore Airlines Crash - October 31, 2000

  • Less than an hour's drive away, in Saint-Ludger-de-Milot, Environment Canada said it's still trying to figure out if the town was hit by a tornado, or a type of windstorm known as a microburst.

    CBC | Top Stories News

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