Moreover,
Weather alert: violent hailstorm south:
Of Sunday July 20 at 5:00 p.m. au Monday July 21 at 9:00 am – Weather alert: violent hailstorm south
Situation – Weather alert: violent hailstorm south
A depression pilot an unstable time off the British islands. For example, while hot air rises from the Mediterranean. Nevertheless, In this context. Moreover, a fairly stationary stormy front is formed and brings an unstable time, in contact with the hot air mass between the south and the east of the country between this Sunday afternoon and Monday morning. Therefore, Sometimes violent thunderstorms occur. with in particular intense rains which can bring substantial accumulation in a short time (up to 50 mm), generating a risk of streams, even floods and floods. A marked electrical activity. gusts at almost 100 km/h and a risk of hail (hail from 2 to 4 cm in diameter) are feared.
Observation
In Sunday evening. The strongest surgery broke out weather alert: violent hailstorm south from Lorraine and Alsace in Burgundy to Rhône-Alpes and Cévennes. At the passage of thunderstorms, gusts exceeded 100 km/h in Lorraine and in the Jura in Lons-de-Saunier. Hay falls are observed. The rainy hourly intensities are important with locally 15 to 30 mm in less than 1 hour as in Baume-les-Dames (25). Cros Geroland (07) as well as Simard (71), Hestroff (57) and Saint-Genis-l’Argentière (69).
Evolution
Risk period and impacted regions : Tonight. night until Monday morning, with violent phenomena (hail, gusts of wind, intense rain, important electrical activity) from Languedoc to Provence in Cévennes in Rhône-Alpes towards the Jura. Risks of floods are possible.
Precautionary advice in case of thunderstorms:
– Avoid shelter under a tree.
– Do not stay close to electrical sockets or trendy devices.
– Disconnect sensitive devices (TV, Internet box, computers …).
– Limit your trips and avoid wooded or isolated areas.
– Do not call outdoors, especially with a weather alert: violent hailstorm south wired phone.
– Avoid any nautical or aquatic activity (swimming, navigation).
– Put your vehicle safe if possible, far from the trees.
– Do not touch metal structures (barriers, fences, gates …).
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