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CIMSS-NOAA Weekly Report
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Paper Accepted for Publication: A paper titled "Antarctic cloud radiative forcing at the surface estimated from the AVHRR Polar Pathfinder and ISCCP D1 data sets, 1985-1993" was submitted to the Journal of Applied Meteorology. The authors are M. Pavolonis (Cooperative Institute for Meteorological Satellite Studies, CIMSS) and J. Key (Office of Research and Applications). The paper describes the radiative effect of clouds on the surface of Antarctica as determined from two satellite data sets. It is shown that on a monthly time scale, clouds over the interior of the continent warm the surface at all times of the year. (J. Key, E/RA2, 608-263-2605)
OISST Version 2: The method of acquiring Optimum Interpolated Sea Surface Temperature (OISST) data from the National Centers for Environmental Prediction (NCEP) has been updated. NCEP has upgraded their OISST data to version 2, with a new data file format and contents. (G. Callan, E/RA2, 608-263-3951)
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Temperature Anomaly Found in the Eta Data Assimilation System: An unusually large temperature bias with respect to rawinsondes has been found in the September runs of the Cooperative Institute for Meteorological Satellite Studies (CIMSS) Eta Data Assimilation System (EDAS). Large biases have also been observed in the wind and height fields near the top of the Eta model. NCEP has been apprised of the anomaly and discussions are ongoing about causes and potential solutions. (J. Jung, CIMSS, 301-763-8204, T. Zapotocny, CIMSS, 608-262-0800).
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