Construction, standards and environment
KOSTRA
Abbreviation for Koordinierte Starkniederschlagsregionalisierung und -auswertung
In short and in plain language
KOSTRA is a set of data on heavy rain.
The German weather service puts it out for the whole country.
It shows how much rain can fall at a place in rare cases. One example is rain that comes about once in 100 years.
A map of heavy rain risks uses this data.
Definition
KOSTRA stands for Koordinierte Starkniederschlagsregionalisierung und -auswertung, the coordinated regionalisation and analysis of heavy precipitation. Under the name KOSTRA-DWD, the German Meteorological Service publishes a data set for all of Germany that states how much rain falls within a given duration and how rarely that happens, for example once in 100 years. The heavy-rain hazard map uses this data for its exceptional scenario.