![]() ![]() The use of an OpenSource technology makes it possible to save significant licensing costs compared to classic commercial database offerings. Das Wetter in Deutschland now contains 20 maps, forecasts and other items. The use of Hadoop brings the following advantages here:Īs the amount of data grows, simple and inexpensive scaling of the system by adding new compute nodes to the cluster. Stay up to date with the current weather conditions in Germany. For this purpose, both the imports of the different weather models and the exports of the data updates for wetter.at use Hadoop Map-Reduce jobs to execute the creation of the current weather forecasts for all of Austria and Germany on the Hadoop cluster in parallel. This makes it possible to retrieve worldwide weather forecasts interactively or to export current weather forecasts for the whole of Austria and Germany for the above-mentioned websites. However, these queries are not used to export data, but are used for interactive data quality control by MOWIS.Īcceleration and cost savings compared to legacy SQL database.īy switching to a Hadoop-based NoSQL solution, an additional forecast model for worldwide weather data could be introduced, as well as data imports as well as exports accelerated by a factor of seven. Furthermore, using Apache Hive, SQL access to the data was enabled, allowing flexible queries to the stored location data. An xml-based interface allows data to be retrieved by web-based services. ![]() In addition, data already retrieved is cached to further speed up queries. The system dynamically selects the most suitable database for each forecast and combines data from different sources. This makes it possible to interactively retrieve weather forecasts worldwide up to fourteen days in advance. Current weather data from various sources, such as the results of various weather forecast models as well as measured values from weather stations, are continuously fed into this database. The central component is the NoSQL database HBase, which is based on a Hadoop cluster. The system has been continuously maintained and further developed as needed since 2011. The central data management system for these services was developed by RISC Software GmbH on behalf of MOWIS. Mobile World Information Systems GmbH (MOWIS) provides weather data services, including operating the wetter.at and websites. It is not used nor stored for anything else at all.Reliable and accurate weather forecasts are essential for planning personal leisure activities as well as for numerous companies and organizations. The rough location permission is necessary to enable the Weather station widget to show you your local weather data. Download this stock image: Deutschland, Nordrhein-Westfalen, Wetter (Ruhr), Hartkortsee - T8JMKY from Alamys library of millions of high resolution stock. By downloading and using Das Wetter in Deutschland you accept these terms. You can not derive rights from this information. We do our utmost to deliver you the best software and data available in the market, but of course we cannot guarantee the proper functioning or accuracy of both. > widgets only work when you run the app from phone memory, move to SD card will disable it. ![]() Due to the nature of this source, some content is written in German. Four app widgets bring live weather information to your home screen, including weather station widget working world wide!ĭata is downloaded from the German national meteorological institute DWD. Animated weather map (several days in advance) Maps showing the current temperatures and wind speed. Satellite images (visible light + infra red) Forecasts for today, this evening and tomorrow Stay up to date with the current weather conditions in Germany - and in the world via the Weather station widget.ĭas Wetter in Deutschland now contains more than 27 maps, forecasts and other items! ![]()
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