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RISOperational Implementation of COSMIC Observations into NCEP’s Global Data Assimilation System
Publisher: American Meteorological Society
Abstract: The next generation of NCEP?s Global Data Assimilation System became operational on 1 May 2007. This system incorporates the assimilation of global positioning system (GPS) radio occultation (RO) profiles from the Constellation ...
Assimilation of Global Positioning System Radio Occultation Observations into NCEP’s Global Data Assimilation System
Publisher: American Meteorological Society
Abstract: The Constellation Observing System for Meteorology, Ionosphere, and Climate (COSMIC) mission launched six small satellites in April 2006, each carrying a GPS radio occultation (RO) receiver. At final orbit, COSMIC will ...
Preliminary Impact Studies Using Global Positioning System Radio Occultation Profiles at NCEP
Publisher: American Meteorological Society
Abstract: Following the successful launch of the Constellation Observing System for Meteorology, Ionosphere and Climate (COSMIC) satellites in April 2006, NCEP?s Environmental Modeling Center (EMC) is planning to use the COSMIC data ...
Variational Data Assimilation with an Adiabatic Version of the NMC Spectral Model
Publisher: American Meteorological Society
Abstract: Variational four-dimensional (4D) data assimilation is performed using an adiabatic version of the National Meteorological Center (NMC) baroclinic spectral primitive equation model with operationally analyzed fields as ...