10-minute JMA Himawari-9 AHI “Red” Visible (0.64 µm), Shortwave Infrared (3.9 µm) and “Clean” Infrared Window (10.4 µm) images (above) showed the formation of a pyrocumulonimbus (pyroCb) cloud that was spawned by a wildfire in Grampians National Park in far southeast Australia on 20 December 2024. The pyroCb cloud exhibited... Read More
Cuba’s largest power plant went offline around 0700 UTC on 4th December 2024 (media report), which led to a collapse of the power grid across much of the island. A toggle between VIIRS Day/Night Band images from Suomi-NPP and NOAA-20 (above) provided a before/after view of nighttime city light emissions across... Read More
GOES-18 airmass RGB imagery, above (created using geo2grid software), shows the development of a hurricane-force low to the west of Washington and Oregon on the 19th of November. The orange and purple colors in the RGB suggest a significant intrusion of stratospheric air. That air is rich in ozone, and... Read More
Target Sector (2.5-minute interval) JMA Himawari-9 AHI Red Visible (0.64 µm) and Clean Infrared Window (10.4 µm) images (above) showed Super Typhoon Man-Yi as it made landfall along the Philippines island of Luzon on 17th November 2024. Low-altitude mesovortices were apparent within the eye as it was offshore — then a notable convective burst developed as the... Read More
