2013 European floods into the Alps by the northerly flow, which led to intense orographic precipitation. Heavy rain was reported in the Austrian states of Vorarlberg and Tyrol and the area of Salzburg, and to the mountains of Upper Austria and Lower Austria and Upper Styria in a short time. On 30 May to 1 June, 150 to 200 mm of rain ( of rain) fell, in places reaching around 250 mm (), which in just a few days was the equivalent normally seen over two and a half months on average. The rainfall experienced in Austria has an expected return period of
Tyrol Tyrol are Innsbruck, Trento and Bolzano. The whole region of Tyrol is located in the Alps. Tyrol is bordered to the north by the state of Bavaria and to the east by the states of Carinthia and Salzburg. West of Tyrol lies the state of Vorarlberg and the canton of Grisons. On the southern side of Tyrol, the land is bordered by the regions of Veneto and Lombardy. Important rivers in Tyrol are the Adige, Inn and Drau. The region is characterized by many valleys. Some of these valleys are still difficult to reach today. The most important valleys are