Cyclone Oma (IMAGE) University of Otago Caption Research product of chlorophyll-a (produced from Himawari-8) that was used in this paper. IMAGE: P-Tree System, Japan Aerospace Exploration Agency (JAXA) Credit P-Tree System, Japan Aerospace Exploration Agency (JAXA) Usage Restrictions No restrictions. License Public Domain Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.