French weather forecaster Météo France has issued the warning for extremely heavy rain and thunder storms in the eastern part of the country.
The départements of Isère (38) Saône-et-Loire (71) Haute-Savoie (74) Ain (01), Doubs (25), Jura (39), Loire (42), Haute-Loire (43) and Rhône (69) are all on orange alert, meaning a significant risk of dangerous weather conditions.
#Orages violents prévus cet après-midi et soir sur le Centre-Est : ils éclateront dès 13-15h sur l'est du Massif central avant de se propager sur le Lyonnais et vers la frontière suisse. Averses intenses, grêle, rafales et foudroiement. #VigilanceOrange ▶️https://t.co/KA0Ij27Eea pic.twitter.com/YQ3ldlKkq5
— VigiMétéoFrance (@VigiMeteoFrance) August 6, 2019
The alert began at 10.30am on Tuesday and runs until midday Wednesday.
Météo France said: “From the beginning of Tuesday afternoon storms will multiply over the Massif Central. They will then head back up towards Switzerland. These storms are shaping up to be strong.
“In the départments placed on orange alert, heavy rains of between 30 and 50 mm per hour are expected (generating a risk of runoff and local flooding). Hail, wind gusts between 80 and 100 km/h and sustained electrical activity are expected.”
Map: Météo France