The mini-summer we’re experiencing nowadays will give technique to an instability over the weekend, first in north-northeast Greece, because the “chilly lake” phenomenon arrives.
On the weekend, in accordance with the forecast of Clearchos Marousakis on the Open, we could have showers and native storms, particularly within the continental physique, with the mercury approaching extra regular temperatures for the season.
What’s a chilly lake?
The time period chilly pool, in accordance with meteo.gr, is a translation of the English time period “Chilly pool”, i.e. a extra correct translation could be “Chilly Pool”. However what precisely is that this pure phenomenon?
As a Chilly Lake in meteorology we name a chilly area of the environment surrounded by heat air plenty. The vertical extent of those chilly gasoline plenty occupies nearly your entire troposphere and the air motion is cyclonic (counter-clockwise).
The existence of chilly gasoline plenty above heat and moist gasoline plenty close to the bottom results in the creation of instability, that’s, a big drop in temperature with peak. Instability is a essential situation for the creation of storms, whereas the opposite two situations are the existence of liquid gasoline plenty and a trigger for the gasoline plenty to rise. If even one among these three components is lacking, then storm formation is unattainable.
In the summertime, the reason for the rise of heat and moist gasoline plenty close to the bottom is especially the heating of the bottom throughout the sunshine. Heat air is lighter than chilly air, so it rises spontaneously and accelerates if it finds itself in a chilly setting, corresponding to within the presence of a Chilly Lake.
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