downburst


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Related to downburst: microburst

down·burst

 (doun′bûrst′)
n.
A powerful downward air current from a cumulonimbus cloud, typically associated with thunderstorm activity.

downburst

(ˈdaʊnˌbɜːst)
n
(Physical Geography) a very high-speed downward movement of turbulent air in a limited area for a short time. Near the ground it spreads out from its centre with high horizontal velocities. Also called: microburst
Translations
syöksyvirtaus
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References in periodicals archive ?
Buttrick said the weather service was not able to measure the severity of the winds in those towns, but it appeared to be from a downburst, a larger-scale microburst.
A downburst is a strong downdraft which causes damaging winds on or near the ground (National Weather Service Forecast Office, Columbia, SC).
5] HABOOB: When a downburst slams into the ground, its winds can stir up a wall of dust in front of the storm.
A bizarre wind - perhaps a storm-related phenomenon called a downburst - came out of nowhere Wednesday and briefly whipped through an interior courtyard garden at South Eugene High School, lifting a wooden bench into the air, bending a metal awning and sending students, a teacher and a Register-Guard reporter there on an unrelated assignment diving for cover.
When the downburst of air reaches the ground, it blows the fine dust and sand into the air, creating a wall of sand, which has been known to reach 60 miles in width and several thousand feet in height.
Almost 20 years ago, a strong downburst from a storm moving across Orange County, N.
They got caught in the sudden downburst just as they arrived in the area,'' said Fire Department foreman Chuck Lovers.
The trend appears to be a positive linear relationship, but if the point for the downburst in Wisconsin is considered an outlier, given its extreme intensity (253 km/hr), the graph could easily be viewed as unimodal.
The JAWS data indicated that it took at least 5 to 6 minutes from the time the downburst reached the ground to the time when the winds of the outburst had reached their highest and most dangerous speeds.
The presence of high rates of in-cloud lightning often indicate the potential for severe weather phenomena, including heavy rain, large hail, dangerous cloud-to-ground lightning strikes, tornadoes and downburst winds.
Due to its geographic location and desert climate, McCarran Airport is also prone to dramatic wind events, such as strong downburst winds that result from the seasonal "monsoonal flow," typically occurring during the late summer months.
Several years ago, while he was on a training outing near Oakridge, a downburst ripped a 20-by 20-foot tent off the ground.