“Although the column of dust seen in the video resembles the dust vortices recorded in Lithuania (usually in the second half of spring, when it is drier) dust devil), but due to a clearly visible nearby darker cloud with rain, it must have been a gustnado,” the Facebook account of “Weather and climate in Lithuania” reads.
As explained, a gustnado—a gust front tornado—is like a companion to a nearby storm (or simply more developed cumulus clouds). It forms at the gust front moving next to the storm, that is, the place where the warm ambient air meets the cold air descending from the ball rain cloud.
Gustnado causes turbulence, which is very dangerous, for example, to balloons that have not had time to land.
“It is important to mention that a gustnado is not a true tornado, or as some people say a tornado.
Whirlwinds are associated with warm and powerful upward currents of air that feed clouds and form from Cumulonimbus the bottom of the cloud and are connected to it, the rotation is determined by the mesocyclonic rotation of the cloud itself.
Gustnado is not connected to the base (floor) of the storm cloud and is associated with cool downdrafts as the storm approaches (and sometimes beyond). This is a very short-term phenomenon and is rarely recorded in such an expressive form in our country,” the post states.
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2024-08-18 06:36:23
