2.5-minute rapid scan JMA Himawari-8 “Clean” Infrared Window (10.4 µm) images (above) displayed Category 4 Typhoon Bualoi west of the Mariana Islands in the West Pacific Ocean on 22 October 2019. Note the rapid clearing and expansion of the eye after 04 UTC, as the tropical cyclone continued its trend... Read More
JMA Himawari-8 Upper-level Water Vapor (6.2 µm) images (above) revealed 2 distinct pulses of long-lived gravity waves that propagated northward/northwestward/westward from the coast of Western Australia during the 20-22 October 2019 period. These waves appear to have been generated by thunderstorms near and along the coast — and traveled as... Read More
Himawari-8 Advanced Himawari Imagery (AHI) from the ‘Target’ sector, above, show a strong albeit asymmetric storm south of Ise Bay and southwest of Tokyo Bay. Clean window infrared (10.41 µm) imagery, above, shows a compact eye that is cooling with time, suggesting weakening (and/or becoming more cloud-filled). Most of the... Read More
JMA Himawari-8 “Clean” Infrared Window (10.4 µm) images (above) showed the pinhole eye of Super Typhoon Hagibis as it rapidly intensified to a Category 5 storm (ADT | SATCON) by 12 UTC on 07 October 2019. Hagibis exhibited some trochoidal motion and variations in forward speed as it approached the... Read More
