Keraunos on X: "Ce nuage : "Cumulonimbus capillatus praecipitatio murus cauda flumen tuba". Nuage mur, tail cloud & afflux de nuages bas sont caractérisés. https://t.co/POvXV4mizW" / X
La photo du jour : un tuba photographié depuis Maucor - La République des Pyrénées.fr
RadioAtraka - Murus: A localized, persistent, and often abrupt lowering of cloud from the base of a cumulonimbus from which tuba (sputs) sometimes form. Usually associated with supercell or severe multi-cell storm;