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CDAAC: COSMIC Data Analysis
and Archive Center

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Special Announcements:

Dear CDAAC Data User:

We have switched over to a next generation inversion software called 'newroam' (new Radio Occultation Atmospheric Monitoring) written by Sergey Sokolovskiy, and Zhen Zeng of UCAR. This software has been in development for several years now and is ready for production after a year-long testing process with weather centers including ECMWF, NCEP, and DWD. Many thanks to all who helped in the testing.

COSMIC Occultations - Last 10 Hours - Please reload your browser for latest results
Click and download the COSMIC RO Atmospheric Occultations data in KML format to be displayed in a GIS viewer.