1. Laboratory for Atmospheric and Space Physics University of Colorado Boulder Boulder CO USA
2. Department of Geosciences Stony Brook University Stony Brook NY USA
3. Earth, Planetary and Space Sciences Department University of California Los Angeles CA USA
4. Atmospheric and Planetary Sciences Department Hampton University Hampton VA USA
5. NASA—Jet Propulsion Laboratory California Institute of Technology Pasadena CA USA
6. Synoptic Science Pasadena CA USA