with channels from EUMETSATS´s geostationary satellite,
MSG. However, image segments from NOAA's polar orbiting satellites are superimposed ontop where they were available.
The images show that most of the thermal background radiation comes from low clouds at ca. -20°C, while the aerosol temperature up at high altitudes would have been much lower, near -60°C.
An earlier article can be viewed relating
/earthquakes-and-volcanism/articles/nr/1884