https://phys.org/news/2018-11-nasa-tropical-storm-xavier-affecting.html > On Nov. 4 a visible image from the Moderate Resolution Imaging Spectroradiometer or MODIS instrument aboard NASA's Aqua satellite showed an organized storm with a thick band of powerful thunderstorms circling the center. > On Nov. 5, a Tropical Storm Warning is in effect for Punta San Telmo to Playa Perula, Mexico. A Tropical Storm Warning means that tropical storm conditions are expected somewhere within the warning area.