Only in Austria used name for a type of wine within the quality wine category Prädikatswein, It comes from noble rotten or at least overripe, naturally dried berries. For better Must extraction of the natural sugar content formerly had the grapes freshly gekelterter grape or wine is added. Therefore, the name derives from, because this was, so to speak, the "erupting of sugar". In practice, however, this special process was hardly used anymore, but the eruption just like one Trockenbeerenauslese manufactured. This was taken into account in 2016 by a wine law change. The term "outbreak" may only be used exclusively in connection with the geographical indication Rust for the now exclusively made there Ruster outbreak be used.