Friday, June 7, 2013

Pileus with cumulonimbus

I spotted a huge formation of dark grey cumulonimbus on the opposite of Cherating clear-blue skyline and it soon developed a fleet of 'pileus' on its summit. Pileus has the smooth beret-look that appears momentarily due to stable airstream that rises above the cumulonimbus. Moment later it develop an interesting iridescent effect as the cumulus evolve..