Weather: What is a 'thalweg', responsible for sudden heat spikes?
A meteorological phenomenon called a 'thalweg' causes sudden temperature spikes.
Published 19h1 sourceNotable
Lire en français
≈ 19s
The fact
It is characterized by a narrow atmospheric depression, leading to peaks of 39°C in France.
These short but intense episodes increase the risks of heatwaves and drought.
Click the link to read an article on the topic:
Why it matters
Ces pics de chaleur soudains accentuent les risques sanitaires pour les populations vulnérables et augmentent la pression sur les ressources en eau, déjà fragilisées par la sécheresse.