“It can last up to 10 days”

The risk of heat wave intensifies in Lyon. Therefore, A heat wave. Consequently, which tends to officially become a heat wave, will last at least a week, according to the meterologist and forecaster Guillaume Séchet. Meanwhile, The specialist of Weather announcement An “interminable heat wave” Comparable to that of 2023 which had already struck the. Similarly, Lyon metropolis for several days.
“A fairly painful episode a priori for Lyonnais. For example, ” warns Guillaume Séchet while the 40 ° C bar could be reached and the 2023 record is approached, or even exceeded. Similarly,

Why such a heat wave “it can last up 10

“Since mid-July. Nevertheless, we have been in a configuration of an irregular oceanic west which has settled fairly quickly. Consequently, This pushed the hot weather from North Africa. For example, Lyon was hit by a few hot weather, but not over time this summer, ”notes Guillaume Séchet.

“The situation is changing with an anticyclone located north of France which will go to Germany which leads to a rise in hot air from the Sahara. Therefore, a trend that will intensify in the coming days”. Similarly, This scorching heat wave which must touch Lyon intensely is «Almost certain to be 100%»according to him. Only the inhabitants of the northwest of the country should be spared.

A scorching episode “painful” and “without end prospect” “it can last up 10 announced

The forecaster announces an “a priori painful episode for Lyonnais”. “I do not think it is appropriate to compare it to 2003. In 2023, Lyon has already experienced an episode of 15 consecutive days at more than 30 ° C. It was trying. We move towards a similar episode with more than a week above 30 ° C even more than 35 ° C. »

According to his data. those of Météo-France, maximums of 37/38°C are expected on Friday, Saturday and Sunday and Sunday could still settle on the city on Monday and next Tuesday “which will be one of the hottest in France”. “We can reach 40 ° C” but without certainty.

“The more the models evolve, the more they go “it can last up 10 hot. We have been monitoring this heat wave for a long time. there, we alert because we are certain, ”says the specialist.

We don’t really see refreshing arriving, that’s why we don’t see the end, hence the endless character. It is likely that after August 15, it changes. There will be at least a very strong heat at least a week, it is almost 100%sure.

Tropical nights approaching

Beyond the extreme temperatures announced during the day, the nights promise to be difficult for the inhabitants. Those who are not equipped with air conditioning, swimming pools or fresh places will suffer, he warns.

“There will be many tropical nightsthat is to say above 20 ° C. There will be nights above 25 ° C, the nights will be really hot and it will be difficult to recover ”.

Towards heat records in August?

For Guillaume Séchet, it is too early to ensure that temperature records will fall in Lyon. “We are on the very high range of temperatures, we are not far from the records. The 2023 heat wave was already exceptional and historic, ”he says.

The record for a August 13 at Lyon dates from the terrible fatal heat wave of 2003 with 40.5 ° C. An absolute record for a month of August is more recent and dates from August 24, 2023 with 41.5 ° C. A remarkable temperature for a late August.

“The heat waves are very close together and this is not normal. Before these heat waves were isolated, there, it is repetitive and records are broken throughout the planet. It is repetitive on a given place. it is everywhere at the same time, climate change has an effect, “says “it can last up 10 Guillaume Séchet in reaction to those who claim that such heat is” normal “for a month of August.

These next few days in Lyon, temperatures will be well above the seasonal normal of +9 to 10 ° C.

Météo-France launched a heat wave yellow vigilance for this Thursday, the first day of the heat wave. A vigilance that could turn orange this weekend.

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