LightningCast probabilities (from this website) over the Central Dense Overcast of Tropical Cyclone Bebinca in the western Pacific to the northwest of Guam, above, show increasing values (the island of Guam is center bottom of the imagery above): magenta are values of 75%. Lightning activity within the central core is often a... Read More

The moon was visible in Japan Meteorological Agency (JMA)‘s AHI (-9) imagery on 21 August 2024.A similar mp4 animation as above, but a quicker animation speed. Himawari-9 imaged more than just clouds over the southern Pacific Ocean when the recently full moon peeked out from behind Earth. pic.twitter.com/eXPKt4rN2I— CIRA (@CIRA_CSU) August 22, 2024 GOESWhile the GOES-R ABI... Read More

Himawari-9 airmass RGB imagery, above, shows the extratropical transition of Typhoon Ampil. At the beginning of the animation, the typhoon is approaching Japan from the south. By 0000 UTC on 17 August, the typhoon has moved east of Japan, and a Potential Vorticity anomaly just west of the storm (identifiable by the orange hue... Read More

The National Weather Service forecast office on Guam has a Direct Broadcast antenna, and CSPP software takes the downloaded signal and creates useful imagery. The example below shows JAXA’s GCOM AMSR-2 imagery at 36.5 and 89.0 GHz, and the structure of the low-level circulation (36.5 GHz) and upper-level clouds (89.0... Read More