GOES-16 (GOES-East) “Clean” Infrared Window (10.3 µm) images (above) showed Willa during the 48 hours that it rapidly intensified (ADT | SATCON) from a Tropical Storm at 15 UTC on 20 October to a Category 5 Hurricane at 15 UTC on 22 October 2018. Willa  — which became the third Category... Read More

More #highlatitudedust in #Greenland today! nice contrast of #MODIS and #VIIRS highlight the differences foam, sea-salt and dust aerosols , source is probabl mix of dust+snow @avoiland @jscarto @jobullard @TWMockford @HLCCD pic.twitter.com/xdm1RKoiBu — Santiago Gassó (@SanGasso) October 14, 2018 As noted by Santiago Gassó, a long and very narrow plume of... Read More

A sequence of Infrared Window images from Terra/Aqua MODIS (11.0 µm) and NOAA-20/Suomi NPP VIIRS (11.45 µm) (above) showed Category 4 Hurricane Michael as it was making its approach toward the Florida coast during the nighttime hours preceding sunrise on 10 October 2018. The yellow pixels east of the eye on the 0724 UTC VIIRS image highlighted... Read More

Metop-A ASCAT scatterometer data (above) showed surface wind speeds as high as 64 knots near the storm center while Michael was at Category 2 intensity just northwest of Cuba at 0307 UTC on 09 October 2018.A toggle between Suomi NPP VIIRS Day/Night Band (0.7 µm) and Infrared Window (11.45 µm) images... Read More