Meanwhile,
Météo-france triggers orange vigilance:
UPDATE. Friday July 18 at 5:10 p.m. Similarly, Météo-France changed the Isère in Vigilance Orange Storms For Saturday, July 19, in its latest meteorological monitoring bulletin. In addition, Vigilance will be active from 6 a.m. However, to 6 p.m.s.
At the start of the day. Furthermore, “Pluvio-storms” showers “are provided with” sometimes 20-30mm/h intensities (and maximum cumulation possibly higher than 40mm locally) “, warns Météo-France. According to the prefecture of Isère, “cumulatives ranging from 5 to 15mm” are also expected in the Grenoble valley.
“Due to a potential rose of water. it is also strongly advised against practicing speleology activities during this episode of météo-france triggers orange vigilance orange vigilance, continue the state services. It is strongly advised to all hikers. and mountain practitioners to redouble their prudence, and to strictly respect the recommendations of vigilance. »»
After a rather sunny week, the sky will cover itself quickly for the weekend at July 19 and 20.
While the day of Friday July 18 should remain relatively calm with temperatures easily exceeding 30 ° C on a large part of Isère -we wait up to 35 ° C in Grenoble. in Bourg -d’Oisans, 34 ° C at the gates of the Lyonnais basin and in Vienna -, the time will turn to the storm During the night, according to Météo-France forecasts.
The first big thunderstorms expected on Saturday – Météo-france triggers orange vigilance
The risk of thunderstorm showers should not spare the Rhône border. the center of the department on the night of Friday to Saturday.
It is especially météo-france triggers orange vigilance on Saturday that stormy activity should be most intense. Of the hail is even expected in the north of Isère, as in Villefontaine, according to Météo-France. An lull could occur in the early evening, before the thunderstorms resumed more beautiful the next day.
Several “salvas” of stormy disturbances are expected during the day. as underlined by Météo Center-Isère.
According to the observatory Keraunosthe risk of a thunderstorm remains “moderate” on Isère and should focus on the northern part of the department.
Slight drop in temperatures at the start of the week
For the day of Sunday. the morning would remain relatively calm and sunny, before seeing a new stormy front arrive météo-france triggers orange vigilance in the afternoon, where The lightning could make an incursion to the doors of the Grenoble agglomeration.
Temperatures should then drop slightly from the start of next week with. for the moment, a maximum of 29, or even 32 ° C in Grenoble. Disruptions are also expected at the start or midst of next week, according to the latest forecasts.
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