Heavy rain and risk of flooding, what are the forecasts in the four departments on orange alert?

Hérault, Gard, Ardèche and Drôme are on rain-flood alert this Wednesday evening and until June 2019. Thursday morning. Update on weather forecasts.

Four departments were added. placed on orange rain-flood vigilance by Météo-France this Wednesday, October 18, 2023. These are Hérault, Gard, Ardèche and Drôme. À Note that Gard and Hérault are also affected by an orange flood alert. For now, vigilance is extended until now. tomorrow, Thursday October 19, 6 a.m. In its bulletin issued to At 4 p.m., Météo-France evokes a "Mediterranean episode" everything at hand done "usual for the season". On the program: "rainy intensities and occasionally remarkable accumulations, requiring particular vigilance".

The only worry is on the horizon, we still do not know the exact location of the expected highest precipitation accumulations. The authorities fear that the rain will fall more in “regions of urbanized plains”, these areas being more sensitive to intense rains. The local population is therefore invited to join us. prudence and keep yourself regularly informed of developments.

Concretely, what can we expect? While the rains intensified throughout the morning this Wednesday in Gard and Hérault, at the end of the afternoon and in the evening, rain with intensities from 40 to 40 60 mm per hour persists in places and extends to the two other departments affected by the orange alert. If the episode will therefore continue throughout the night, a lull is expected on Thursday morning. Cumulatively, 150  200 mm are expected during this episode in the Cévennes and their Piedmont, and even up to 200 mm. 200 à 250 mm in places. On the plains, 70  100 mm, or even up to 150 mm are expected according to Météo-France, in a very short time.