Himawari-9 is slated to become operational (replacing Himawari-8, which has been operational at 140.7o E Longitude since 2015!) on 13 December 2022 (Link). One change that users might observe arises from the slightly shorter central wavelength in the shortwave infrared band (Band 7). On Himawari-8, the central wavelength is 3.885... Read More
Animations of GOES-16 Visible, near-Infrared and shortwave Infrared over North America shortly before the Vernal Equinox, and shortly after the Autumnal Equinox, (that is, when the Sun is overhead in the Southern Hemisphere) show bright spots that propagate quickly from west to east (these features were first noted by Frank... Read More
Himawari-9 temporarily took over for Himawari-8 beginning at 0250 UTC on 13 February 2018, as Himawari-8 underwent a 2-day scheduled maintenance. “Clean” Infrared Window (10.3 µm) images of Category 4 Cyclone Gita in the South Pacific Ocean during the satellite transition is shown above.Himawari-9 was launched on 02 November 2016. ... Read More
The Japanese Meteorological Agency (JMA) has released the first imagery from the Advanced Himawari Imager (AHI) on Himawari-9. The image above, from 0240 UTC on 24 January 2017, is from Band 3 (the “Red” Band) that detects reflected solar radiation near 0.64 µm in the visible part of the electromagnetic spectrum. This band... Read More
