The damaging tornado in Luxembourg on 9 August 2019: towards better operational forecasts
Mathias, Luca ; Ludwig, Patrick ; Pinto, Joaquim G.
Année de publication
2021
On 9 August 2019, a devastating tornado hit southwestern Luxembourg and caused widespread damage and many injuries. The atmospheric environment, in which the tornado occurred, was characterised by a moderate latent instability, very strong vertical wind shear and high storm-relative helicity. The radar images show typical characteristics of a tornadic supercell, that is, a hook echo and a well-defined velocity couplet. To assess the risk of tornadoes associated with supercells in the future, the Luxembourgish weather service (MeteoLux) elaborated an ingredients-based forecast concept.</p>
Accès à la notice sur le site du portail documentaire de Météo-France