University of California, Los Angeles, Department of Atmospheric and Oceanic Sciences, Los Angeles, CA 90095-1565, USA
University of California, Los Angeles, Department of Atmospheric and Oceanic Sciences, Los Angeles, CA 90095-1565, USA
University of New Hampshire, Department of Physics and Space Science Center, Durham, NH 03824-3525, USA
University of New Hampshire, Department of Physics and Space Science Center, Durham, NH 03824-3525, USA
University of Alaska, Geophysical Institute, Fairbanks, AK 99775-7320, USA
University of California Los Angeles, Department of Earth and Space Sciences, Los Angeles, CA 90095, USA
University of California, Los Angeles, Department of Atmospheric and Oceanic Sciences, Los Angeles, CA 90095-1565, USA; University of California Los Angeles, Department of Earth and Space Sciences, Los Angeles, CA 90095, USA