After a week of hot weather, Météo-France announced on Thursday, August 13, the alert heatwave was raised in all the departments that have been affected. Thus, up to 15 departments, mainly in the Île-de-France and in the Hauts-de-France, which were placed in red alert heatwave, the high temperatures leading to risks of mortality, which, combined with a peak of ozone pollution and the outbreak of Covid-19. If the red alerts have been lifted on Wednesday, there were still 21 departments in vigilance orange, Thursday morning.

tropical nights

The multiplication of heat-waves is one of the markers, the clearest of the warming of the planet. If this new episode has not reached the intensity of those of 2019, with a record of 46 °C or the length of the heat wave history in 2003, this heat wave should still reach the top 5 of the most severe that has been experienced in France, with a tropical night. The bar 40 °C was again taken on many weather stations and a series of several consecutive days of very hot in some cities, even in the north of the Loire, were recorded. For example, the station history of Paris-Montsouris has recorded six days above 35 °C in a week (compared to 9 consecutive days in 2003), with a peak of 39.1 °C.

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The night of 9 to 10 August has been the most gentle of the year so far, "tropical" even at the scale of the country with an average of a little over 20 °C on the indicator thermal national. A value is reached only once between 1947 and 2002, 21 times since 2003, commented on the forecaster Gaétan Heymes on Twitter.

Updated Date: 13 August 2020, 11:33