Climate change is influencing extreme weather events like the flooding across six countries that has led to mass evacuations of cities as the waters continue to rise.

The death toll from the severe flooding in Central Europe has risen to at least 23, according to the latest tally after another victim was confirmed. In the Czech Republic, a fifth death was announced by Interior Minister Vit Rakušan on Thursday.

The storm that hit central Europe — which unleashed several months’ worth of rain in just a few days — was spawned by a rare combination of meteorological factors.