VIIRS True-Color imagery taken from the VIIRS Today website, above, shows the reddening/yellowing of trees over the upper midwest between 2 September and 22 September 2020. The inexorable slip into autumn and winter is ongoing.Early in the morning on 24 September, Direct Broadcast NOAA-20 data downloaded at CIMSS and processed with CSPP showed an extensive... Read More

Suomi-NPP’s descending pass at ~0730 UTC (shown here, from this site), had an ideal path — moving south from far eastern Upper Michigan to western Lower Michigan — to view all five Great Lakes.  Sprawling High Pressure and the attendant clear skies meant that a good basin wide view of the lake temperatures... Read More

GOES-16 (GOES-East) True Color Red-Green-Blue (RGB) images created using Geo2Grid (above) revealed that the large circulation of Hurricane Teddy (downgraded from a Category 2 to a Category 1 storm at 18 UTC) was drawing hazy filaments of smoke — likely originating from wildfires in the western US — southward from eastern... Read More

What did the Medicane that hit Greece do afterwards?  VIIRS True-color imagery, above, taken from the NASA WorldView site, show an intact feature moving along the northern coast of Africa on 20-21 September towards the Nile Delta.  The amount of cloudiness is in general declining as it moves into a drier environment.  Total Precipitable Water... Read More