The Flying Saucer At Sunset

Lenticular clouds (Altocumulus lenticularis) are stationary lens-shaped clouds with a smooth layered appearance that form in the troposphere, usually above mountain ranges. One was spotted in Singapore recently...

A Red Billowing Thunderhead

Singapore 17 July 2013 In a clear sky with some stars and a smattering of alto (mid-level) clouds, the half-moon tonight shone bright and whitish-clear.   In the distant western sky, there was a huge billowing cloud of at least 6-storeys high. At first glance, it appeared as if a house was on fire. But the ominous red billow stood unchanged for more than half an hour with no visible  flickering light in the horizon. This...