The Taal Volcano erupted in the Philippines around 0850 UTC on 12 January 2020. JMA Himawari-8 “Red” Visible (0.64 µm) and “Clean” Infrared Window (10.4 µm) images (above) displayed the volcanic cloud during the initial 3 hours post-eruption. Note the presence of a pronounced “warm wake” (red enhancement) downwind (north) of... Read More

Overlapping 1-minute GOES-16 (GOES-East) Mesoscale Domain Sectors provided images at 30-second intervals over the Kansas/Missouri/Oklahoma/Arkansas area on 10 January 2019 — and “Red” Visible (0.64 µm) images (above) included plots of SPC Storm Reports (with and without parallax correction) during the time period which produced the first 2 tornadoes (1 in southwestern Missouri, and 1 in northeastern... Read More

Popocatépetl erupted at 1226 UTC on 09 January 2019 — GOES-16 (GOES-East) images of Low-level (7.3 µm), Mid-level (6.9 µm) and Upper-level Water Vapor (6.2 µm) and Split Window Difference (10.3-12.3 µm) (above) showed a higher-altitude ash plume moving rapidly south-southeastward, while ash at a lower altitude moved slowly north-northeastward.The difference in speed and direction of ash... Read More

Following a multi-day outbreak in late December 2019, Australian bushfires flared up again across far eastern Victoria and far southeastern New South Wales (along and ahead of a cold frontal passage) on 04 January 2020. A JMA Himawari-8 Target Sector was positioned over that region, providing images at 2.5-minute intervals — “Red” Visible (0.64... Read More