1. Department of Earth, Atmospheric and Planetary Sciences; Purdue University; West Lafayette Indiana USA
2. Joint Center for Earth Systems Technology; UMBC; Baltimore Maryland USA
3. NASA Goddard Space Flight Center; Greenbelt Maryland USA
4. Department of Physical and Chemical Sciences; University of L'Aquila; L'Aquila Italy
5. Center of Excellence in Telesensing of Environment and Model Prediction of Severe events; University of L'Aquila; L'Aquila Italy
6. Department of Physics; University of Athens; Athens Greece
7. Finnish Meteorological Institute; Kuopio Finland
8. Pacific Northwest National Laboratory; Richland Washington USA
9. Department of Atmospheric Science; University of Wyoming; Laramie Wyoming USA