21 departments from the Ile-de-France to the southwest on Monday were placed in “orange alert” by Météo-France because of the risks of Storm violence that could erupt from the end of the afternoon. This “highly stormy situation,” relates in particular the departments of the Centre, Ile-de-France, Poitou-Charentes, and Dordogne, Gironde and Haute-Vienne Monday to Tuesday 18h 3h says Meteo France.
Keraunos, the French observatory of tornado and thunderstorms even speaks of “moderate risk of tornado” between northern Aquitaine, Poitou and the Centre. So what is it necessary to wait exactly? We put the question to a meteorologist.
MYTF1News: Why this weather phenomenon he comes now
Jerome Lecou,? -meteorologist forecaster Weather France It has not very hot these days, especially in the north. But there was enough hot values on the southern half of the country, particularly in the southwest. We even reached 33 ° in southern Corsica today. What is exceptional enough for early May. In fact, the hot air coming from North Africa is confronting a cooler air over the Atlantic Ocean and a ground conflict zone frontal and unstable air is created. This is what causes these coming storms
MYTF1News. Will he risk of tornadoes
JL : Meteo France does not publish risk and tornado vortex. What I can tell you is that in the storms consist of several storm cells, it can have either gust fronts coming down from the storm, or tornadoes that form. Gusts exceeding 100 km / h can be sufficient to create a tornado.
MYTF1News: Advice for those who are in these areas
JL? : Try to learn best on the evolution of the weather situation and consult regularly alertness card. It is better to try to avoid traveling in and out as it is not indispensable. Also avoid using telephones and electrical and electronic devices.
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