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The archive is maintained by the Data Support Section of the Computational and Information Systems Laboratory] (CISL) at the National Center for Atmospheric Research (NCAR) in Boulder, Colorado. The archive acquires, curates, preserves and disseminates an extensive list of over 700 data sets. Registration is free and open to the general public.
The data is available for free download from the NOAA Earth System Research Laboratory [1] and NCEP. [2] It is distributed in Netcdf and GRIB files, for which a number of tools and libraries exist. It is available for download through the NCAR CISL Research Data Archive on the NCEP/NCAR Reanalysis main data page. [3]
An atmospheric reanalysis (also: meteorological reanalysis and climate reanalysis) is a meteorological and climate data assimilation project which aims to assimilate historical atmospheric observational data spanning an extended period, using a single consistent assimilation (or "analysis") scheme throughout.
To address a growing need for remote access to high volume numerical weather prediction and global climate models and data, the National Climatic Data Center (NCDC), along with the National Centers for Environmental Prediction (NCEP) and the Geophysical Fluid Dynamics Laboratory (GFDL), initiated the NOAA Operational Model Archive and Distribution System (NOMADS) project.
Then, the model takes these guesses, and with the help of some surface observations, can create an objective analysis, using LITTLE_R. [8] RAWINS is an older version of LITTLE_R and thus LITTLE_R is more commonly used. Then INTERPF takes that data from RAWINS/LITTLE_R and REGRID to interpolate that data to the sigma coordinate explained above. [7]
The Geyser data analysis server is a 640-core cluster of 16 nodes, each with 1 terabyte of memory. With its large per-node memory, Geyser is designed to facilitate large-scale data analysis and post-processing tasks, including 3D visualization, with applications that do not support distributed-memory parallelism. [47]
The Weather Research and Forecasting (WRF) Model [1] (/ ˈ w ɔːr f /) is a numerical weather prediction (NWP) system designed to serve both atmospheric research and operational forecasting needs, developed in the United States. NWP refers to the simulation and prediction of the atmosphere with a computer model, and WRF is a set of software ...
Part of NCAR Community Climate Model CRTM: Johnson et al. (2023) [10] v3.0 Yes Yes Yes Yes passive, active band Yes v3.0, UV/VIS 1D, Plane-Parallel Public Domain Fresnel ocean surfaces, Lambertian non-ocean surface DART radiative transfer model: Gastellu-Etchegorry et al. (1996) [11] No Yes Yes Yes No No band Yes ? spherical 1D, 2D, 3D