With a large dome of high pressure centered over Iowa/Missouri/Illinois (above), the stage was set for a night of strong radiational cooling across much of the Upper Midwest on 17/18 October 2018. Minimum temperatures were generally in the 20-40ºF range, with the coldest being 15ºF at Champion in the Upper Peninsula... 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

1-minute Mesoscale Domain Sector GOES-16 (GOES-East) “Clean” Infrared Window (10.3 µm) images (above) showed deep convection associated with Tropical Depression 14 east of Belize and the Yucatan Peninsula of Mexico early in the day on 07 October 2018. There was a large area of cloud-top infrared brightness temperatures in the -80ºC to -89ºC... Read More