The areas where they can hit hard

It is confirmed. After the long heat wave of this August, sometimes violent thunderstorms will fall on the Rhône on Tuesday 19 and Wednesday August 20. The disturbances will start in the afternoon, before continuing in the night, until the next day.

The Metropolis of Lyon is concerned, while the department is placed in Yellow vigilance to thunderstorms Until Wednesday.

A big stormy disturbance arrives

All the municipalities of the Rhône are affected by the thunderstorms this Tuesday. The south and west of the Rhône could be affected, by thunderstorms of strong intensity. According to Keraunos, French observatory of tornadoes and violent thunderstorms, Roussillon, Languedoc, the Rhône valley and Auvergne are among the areas where the risk is significant.

It is especially in the afternoon and evening class that numerous and sometimes strong thunderstorms will concern the area. They will be able to produce intense and abundant rains, likely to exceed 50 mm in a short time, as well as scattered but sometimes strong hail falls. A few gusts of wind close to 90 km/h can be observed under the most active thunderstorms; An isolated whirlwind phenomenon is not excluded (snorkel, even brief tornado).

“This stormy risk will persist next night, while taking an increasingly preponderant rainy character,” says Keraunos.

No hail in the Rhône, but violent thunderstorms

According to Météo-France, it should not occur a hail drop in the Rhône. On the other hand, violent thunderstorms accompanied by rains are well expected in this afternoon. They will arrive from the West around 2-15 a.m.

In Lyon, they could occur from 5 p.m. on Tuesday with gusts at 50 km/h. They should break out in a fairly “heavy” context since it will make a maximum of 29 ° C today.

Temperatures will also fall. After reaching 41 ° C, the thermometer will display a maximum of 23 ° C Wednesday August 20 in Lyon, while thunderstorms and showers are still scheduled during the day.

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