JMA Himawari-9 Ash RGB images created using Geo2Grid (above) showed a complex volcanic cloud resulting from an eruption of Shiveluch that began just after 1300 UTC on 10 April 2023. Much of the volcanic cloud exhibited brighter shades of yellow (indicating a mixture of ash and SO2), but there were also areas of brighter green (indicating... Read More

JMA Himawari-9 Ash RGB images created using Geo2Grid (above) showed the volcanic plume —  which included a violent eruptive pulse that began at 0540 UTC on 07 April — from Bezymianny on the Kamchatka Peninsula of Russia during 06-07 April 2023. Signatures of ash (shades of pink to violet) were evident,... Read More

From the CIMSS Satellite Blog mailbag: This morning Lufthansa flight DLH469 AUS-IAD at FL370 0011Z at 34.9198N 89.5592W turbulence event, with 4 minor injuries. Your product (ed. note: The CIMSS Turbulence Product, available here) had highlighted the area up pretty well! The Flight Log for this Airbus A330, snipped from... Read More

Overlapping 1-minute Mesoscale Domain Sectors provided GOES-16 (GOES-East) imagery at 30-second intervals over the Mid-Atlantic states on 20 January 2023 — and Mid-level Water Vapor (6.9 µm) images (above) revealed widespread mountain waves east of the Appalachians (produced by strong westerly flow interacting with the terrain). There were numerous pilot reports of light to moderate... Read More