DAAC Image of the Week - CDDIS Archives Multi-GNSS Data CDDIS continues to expand its archive of multi-GNSS data sets in support of the International GNSS Service (IGS) Multi-GNSS Experiment (M-GEX). The map shows what GNSS constellations are tracked at global sites. The CDDIS provides data records from these sites and higher-level data products derived from the data to support a wide range of Earth science research. Visit CDDIS for more information.
A Kink in the Jet Stream Using TRMM rainfall data and various other atmospheric data from NASA, scientists discover that Rossby waves and an atmospheric block caused a kink in the jet stream and resulted in unusually heavy monsoon rains in Northern Pakistan and an unprecedented heat wave in western Russia in the summer of 2010.