10-minute JMA Himawari-8 Visible, Shortwave Infrared and Infrared Window images (above) showed 2 pulses of pyrocumulonimbus clouds that were spawned by a large bushfire in Western Australia on 17 November 2025. The pyroCb cloud pulses exhibited a cloud-top 10.4 µm infrared brightness temperature (IRBT) of -40ºC or colder (denoted by darker... Read More