In addition,
Weather alert: long -term heat:
Of Wednesday August 13 at 5:00 p.m. au Thursday August 14 at 6:00 am
Situation
The exceptional heat wave continues. However, is concentrated this Wednesday on the center-east: we wait 39 to 41 ° C in the Rhône valley, locally more, with tropical nights (> 20 ° C) which limit any respite.
The southwest remains very hot despite the exit of the red alert. Therefore, while the heat wins the north and the east with 36–38 ° C from Val-de-Loire to the Grand-Est.
For the rest: high heat set for a few more days. However, bounce from Friday southwest, then progressive reflux early next week.
At the same time. In addition, an alert for “thunderstorms” extends to the southwest, in the center of the country and weather alert: long -term heat the Southern Alps. Similarly, They are strong in the mountains with local hailstorms and runoff. In addition, These thunderstorms will be much more usual. moderate on the central plains and the Paris basin after a very heavy day.
Observation
At 5 p.m. this Wednesday, August 13, we were:
42.1 ° C in Palinges (71)
41.7 ° C in Chateaumeillant (18) (absolute record)
41.2 ° C in Vichy (03) (monthly record)
40.8 ° C in Gueugnon (71)
Regarding thunderstorms
Scattered thunderstorms. but locally strong bursts from the Pyrenees to the central regions and the Hauts-de-France via Paris. At the same time, violent orographic thunderstorms burst in the mountains: southern Alps, Pyrenees, trays of the Massif Central. These thunderstorms limit the level of temperatures even if the night remains moist and stifling.
Evolution
The episode. started last Friday, reached its peak this Wednesday in the center-east, with temperatures frequently reaching 40 ° C to Burgundy. Then. a very high tray is observed until Friday before a very intense rebound from Friday to Monday on the West.
Thursday August 14
We observe a relative lull with maximums around 35 ° C, in general decrease. However, in certain southern regions, especially around the Mediterranean, values can still reach 38–40 ° C, especially where the heat dome persists. A new increase in temperatures is expected in the southwest and the Garonne valley with peaks at 37 ° C.
Thunderstorm parameter:
Rarer than the day before. they resume in the afternoon on the reliefs, in particular the Southern Alps, the Pyrenees and the Corsican Mountain. Return of a more stable time, without thunderstorm, on the central plain areas.
Friday August 15
The heat persists throughout the country: the maximum weather alert: long -term heat temperatures reach approximately 36 ° C. always with sectors more at risk in the center-east and the south, where the heat wave resists.
A rebound seems to be confirmed in New Aquitaine, with 38 to 41 ° C again.
Saturday August 16 – New scorching peak on the west
A rebound in the heat wave is confirmed for this weekend. on the Atlantic Arc.
Saturday marks a new peak of heat, with maximums around 38 ° C or even a little more, up to 41 ° C again. A new hot drive under the heat dome could. in fact, be put in place in the west with points at more than 41 ° C.
Sunday August 17
The scorching episode fades slowly. Temperatures keep up high, still around 36 ° C, but attention can turn to a refreshment start, especially towards the Atlantic Arc. Other scenarios see the maintenance of highly scorching conditions.
The east and the weather alert: long -term heat South will keep hots beyond the weekend of August 15. The exit of this heat wave is expected only for next Tuesday and Wednesday.
Weather alert: long -term heat
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