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Archive: Dec 2017

Aircraft hole punch and cloud dissipation features over Illinois, Indiana and Ohio

A toggle between 250-meter resolution Terra MODIS True-color and False-color Red-Green-Blue (RGB) images from the MODIS Today site (above) revealed numerous aircraft “hole punch” and dissipation trail or “distrail” features over Illinois, Indiana and Ohio on 21 December 2017.  These cloud features were caused by aircraft that were either ascending or descending through... Read More

Southern Hemisphere summer solstice sunlight

The Southern Hemisphere Summer Solstice (and the Northern Hemisphere Winter Solstice) occurred at 1628 UTC on 21 December 2017. A 24-hour animation of GOES-16 Full Disk “Red” Visible (0.64 µm) images ending just after the Solstice time (above) showed that the far southern latitudes remained illuminated during the entire time.Close-up... Read More

Aircraft hole punch and distrail cloud features over southern Lake Michigan

GOES-16 (GOES-East) “Red” Visible (0.64 µm) and Near-Infrared “Snow/Ice” (1.61 µm) images (above) revealed a number of aircraft “hole punch clouds” and cloud dissipation or “distrail” features drifting eastward across southern Lake Michigan and adjacent states on 20 December 2017. These cloud features were caused by aircraft that were either ascending or descending through... Read More