![]() ![]() NEMS is a multi-scale model (used from global down to local domains) and significantly improves cloud-development and precipication forecast. NEMS model family: Improved NMM successors (operational since 2013). All meteoblue models are computed twice a day on a dedicated High Performance Cluster. Meteoblue operates a large number of weather models and integrates open data from various sources. The weather is simulated by solving complex mathematical equations between all grid cells every few seconds and parameters like temperature, wind speed or clouds are stored for every hour. Our models contain 60 atmospheric layers and reach deep into the stratosphere at 10-25 hPa (60km altitude). Each cell is about 4km to 40km wide and 100m to 2km high. A weather model divides the world or a region into small "grid-cells". Weather models simulate physical processes. In some cases, even different models may not detect such conditions. Such conditions are error prone and should be handled carefully. A cold front could arrive a few hours later or thunderstorms might or might not develop. While locally forecast precipitation does not occur, it might rain just a few kilometres away. These weather patterns are very difficult to forecast, vary in place and time or depend on local terrain. Low clouds and precipitation can rapidly develop there without being detected, and will then not be sufficiently considered in the weather model.
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