Regional tropical expansion—forced, unforced, and observed.
Paul W. Staten, Indiana University Bloomington, Earth and Atmospheric Sciences, Bloomington, IN, United States, Kevin M Grise, University of Virginia, Charlottesville, VA, United States, Sean M Davis, University of Colorado / CIRES, Boulder, CO, United States and Kristopher B Karnauskas, University of Colorado Boulder, Department of Atmospheric and Oceanic Sciences and CIRES, Boulder, CO, United States
