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RISSouthern High-Latitude Ensemble Data Assimilation in the Antarctic Mesoscale Prediction System
Publisher: American Meteorological Society
Abstract: Ensemble data assimilation systems incorporate observations into numerical models via solution of the Kalman filter update equations, and estimates of forecast error covariances derived from ensembles of model integrations. ...
Three-Dimensional Variational Data Assimilation of Ground-Based GPS ZTD and Meteorological Observations during the 14 December 2001 Storm Event over the Western Mediterranean Sea
Publisher: American Meteorological Society
Abstract: The impact of GPS zenith total delay (ZTD) measurements on mesoscale weather forecasts is studied. GPS observations from a permanent European network are assimilated into the fifth-generation Pennsylvania State University?NCAR ...
A Three-Dimensional Variational Data Assimilation System for MM5: Implementation and Initial Results
Publisher: American Meteorological Society
Abstract: A limited-area three-dimensional variational data assimilation (3DVAR) system applicable to both synoptic and mesoscale numerical weather prediction is described. The system is designed for use in time-critical real- time ...
Assessing the Impact of Simulated COSMIC GPS Radio Occultation Data on Weather Analysis over the Antarctic: A Case Study
Publisher: American Meteorological Society
Abstract: The Constellation Observing System for Meteorology, Ionosphere, and Climate (COSMIC) mission was launched in April 2006. As part of its mission, COSMIC will provide approximately 2500?3000 global positioning system (GPS) ...