Target Sector (2.5-minute interval) JMA Himawari-9 AHI Clean Infrared Window (10.4 µm) images (above) showed Tropical Invest 90P as it moved westward across the Coral Sea on 20 January 2024. Intermittent convective bursts within the growing cold cloud canopy contained multiple overshooting tops that exhibited infrared brightness temperatures of -100ºC or colder (internal clusters of red pixels... Read More