Does more moisture in the atmosphere lead to more intense rains?

Jun-Ichi Yano (CNRM, Météo France)

Séminaire du LMD à l’ENS.


Date de début 02/05/2024 11:00
Date de fin 02/05/2024
Organisateur LMD
Lieu ENS – salle Claude Froidevaux – E314 • 24, rue Lhomond 75005 PARIS


We tend to think that more moisture in the atmosphere would lead to more intense rains. This expectation may be supported, for example, by taking a scatter plot between rain and column precipitable water. The present talk suggests, however, that the main consequence of intense rains with more moistures in the atmosphere is an increasing chance of a rain to occur, rather than of an increase in the expected magnitude. This tendency equally applies to any rains above 1 mm/6h. The result is derived from an analysis of 33 local rain–gauge station data and a shared sounding over Friuli Venezia Giulia, North-East Italy.

Informations supplémentaires

Le séminaire sera donné en français.

École normale supérieure
24 rue Lhomond
75005 Paris
Aile Erasme – Salle Claude Froidevaux – E314