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The organisation was founded in late 18th century. In 1948, Romania ratified the 1947 Washington Convention, turning from a founding member to a full member of the World Meteorological Organization [1] (18 August 1948). [2] Since 2003, it is a member of EUMETSAT with a stake of 0.4456%. Today in Romania, ANM holds the monopoly for ...
Weather reconnaissance aircraft, such as this WP-3D Orion, provide data that is then used in numerical weather forecasts.. The atmosphere is a fluid.As such, the idea of numerical weather prediction is to sample the state of the fluid at a given time and use the equations of fluid dynamics and thermodynamics to estimate the state of the fluid at some time in the future.
The climate of Romania is continental, transitioning into humid subtropical (locally often "warm oceanic" or "Pontic") on the eastern coast, influenced by polar intrusions, and therefore characterized by harsh winters. The mountain ranges of the Carpathian arc have a cool mountain climate with high humidity throughout the year.
An example of a forecast product from the GFS, in this case a 96-hour forecast of 850 mb geopotential height and temperature. The Global Forecast System (GFS) is a global numerical weather prediction system containing a global computer model and variational analysis run by the United States' National Weather Service (NWS).
The computer model is only adjusted towards the observations using assimilation, rather than forcing the model to accept an observed value that might make the system unstable (and could be an inaccurate observation). [6] The Unified Model software suite is written in Fortran (originally 77 but predominantly 90 as of 2003). [7]
The MM5 (short for Fifth-Generation Penn State/NCAR Mesoscale Model) is a regional mesoscale model used for creating weather forecasts and climate projections. It is a community model maintained by Penn State University and the National Center for Atmospheric Research .
The Global Environmental Multiscale Model (GEM), often known as the CMC model in North America, is an integrated forecasting and data assimilation system developed in the Recherche en Prévision Numérique (RPN), Meteorological Research Branch (MRB), and the Canadian Meteorological Centre (CMC).
The Weather Information Exchange Model (WXXM) is designed to enable the management and distribution of weather data in digital format (XML). WXXM version 2.0, set to be finalized in 2014, is based on Geography Markup Language (GML) and is one of the GML Application Schemas .