gustnado


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Related to gustnado: Landspout

gust·na·do

 (gŭst-nā′dō)
n. pl. gust·na·does or gust·na·dos
A tornado, typically weak and short-lived, that forms along a horizontal wind shear, especially along the leading edge of a storm.
[gust + (tor)nado.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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Tornadoes are not common in this area, but the high winds and friction with landmasses make brief "gustnado" vortices possible.
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A gustnado is a weak tornado which is formed from the gust front, the line of winds which races out ahead of a thunderstorm.
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One final type of squall line vortex is a gustnado. These are very shallow circulations that occur entirely within a few hundred feet of the surface.
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However leading edge vortices can still occur along the gust front, producing gustnadoes or shallow brief tornadoes that are a hazard in the low levels.
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In stronger squall lines, brief "spinups" called gustnadoes often occur along the outflow boundary, and they'll appear as brief, tornado-like dust clouds.
Thunderstorm-think: now that we're in the spring months, it's time to revisit one of our old friends, the thunderstorm, and take a close look at this hazard like a forecaster
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