There has been horrific flooding in Germany and there are very good articles covering it. Specifically in Passau, this is the highest water levels they've seen since 1501, according to Spiegel.de. Pretty serious stuff.
In English from the Deutsche Welle: Flooding rages on in parts of central Europe
In German from the Deutsche Welle: Passau versinkt
For advanced German readers: Hochwasser: Anspannung in Passau, Hoffen in Rosenheim
And a moving article from Focus.de: Passau geht unter, und stellt sich die Schuldfrage
And the current state (6/4/13) in Regensburg: