The years follow one another and resemble each other on the meteorological level: after an end to 2022 marked by an unusual mildness, 2023 begins in the same vein with several heat records broken in various French and European cities.
According to La Chaîne Météo* and Météo France, the national thermal indicator (an average of 30 stations spread over metropolitan France) stood at 13.3 degrees on New Year's Day, i.e. +7.6 degrees compared to to normal (period 1991-2020).
This “
end of the year 2022 was the mildest ever observed in France since the start of the surveys
”, underlines the Weather Channel.
And to add: “
The frequency of this type of extreme event in terms of high temperatures is increasing, in a context of global warming.
»
Read alsoThese crazy projects to slow down global warming
Records broken
Thus a deviation of 7 degrees or more from normal has only appeared 25 times in the past 30 years, including 6 times in 2022 alone. This January 1, 2023 was the fourth hottest day since 1947, over the period from December 15 to January 15.
December 31, 2022 comes in 2nd position, and was the hottest New Year's Eve ever recorded, with an average of 14.05 degrees or +8.4 degrees of anomaly.
Locally, many records were broken on Sunday: 24 degrees in Dax, 23 degrees in Biscarosse... Cities located further north-east also experienced their hottest temperature since 1918, such as Besançon (18.6 degrees), or 1945, like Dijon (16.8 degrees).
These unusual temperatures are linked to a powerful southerly flow that goes up from the Maghreb to central Europe, according to the Weather Channel.
This phenomenon of mildness affects a large part of Europe: Warsaw thus pulverized on January 1 its previous heat record for the period, with 18.9 degrees (against 13.8 degrees in 1993).
And a city like Vaduz, whose January averages hover around 0 degrees, has seen the mercury hit 20 degrees.
This mild trend should continue at least until January 10-11, with temperatures 3 to 4 degrees above normal.
2022 was the hottest year on record in France, as well as in Spain and the UK.
“
But what is most striking are the increasingly significant deviations from normal which are repeated more and more often, whatever the seasons
”, reports the Weather Channel.
*The Weather Channel is a property of the Figaro group
