‘Whirly’ skies over Europe | EUMETSAT
By Natasa Strelec Mahovic (EUMETSAT) and Djordje Gencic, Exostaff Features occurring in the WV6.2μm images indicate the processes going on in the upper troposphere. Usually, the formations in water vapour imagery include dark stripes, which are connected to jet streams. However, sometimes dark circular or spiral formations appear in the imagery. These circular formations are…