With the strong heat wave episode, night temperatures remain much above 20 ° C on three-quarters of France, in recent days, and they will be the hottest on the night of Tuesday August 12 to Wednesday
A tropical night concerns climatic episodes where the temperature does not drop below 20 ° C during the night. With 40 ° C or more, these are legion in France, and at night, like the day, also beats temperature records.
During the night of this Monday 11 to Tuesday August 12, the thermometer did not go down above 30 ° C in Menton, and the minimum was 28.7 ° C in Nice and 25 on a good part of Corsica.
The hottest night between Tuesday and Wednesday
But it is during the night of this Tuesday, August 13 to Wednesday, August 13, that tropical nights will be the most hot, especially in the South West and Occitania. Even if some of these departments in the south of France have suffered thunderstorms this Tuesday during the day.
While the minimums were for example 19 ° C last night in Rodez in Aveyron, they will climb to 22 between Tuesday and Wednesday.
In Occitanie, it will be “at least” between 23 and 25 ° C at night on the Mediterranean coast, 24 in Nîmes (Gard), 25 in Carcassonne (Aude), 26 in Albi (Tarn) and Auch (Gers), 27 in Montauban (Tarn-et-Garonne) and 28 in Toulouse!
There will be little more than the Pyrenean reliefs and the Lozère to escape these tropical nights.
Thunderstorms will also be tropical
Elsewhere in France, tropical nights are everywhere (except on the Breton point and the Cotentin), with 26 ° C in Marseille and Lyon, 24 in Paris, 29 in Nice, 23 in Gap, Aurillac and Belfort, 21 in Strasbourg, and even 20 in Lille!
Also note a paradox in Bordeaux, with a tropical night at no less than 26 ° C … but where hailstorms could fall! Because the ultimate in this episode of heat wave and these tropical nights, between this Tuesday 12 and this Wednesday, August 13, announces the arrival of heat storms on France this Wednesday with a total of 75 departments placed in yellow vigilance (for storms punctually strong at different times of the day.