It is not as rare or unusual as one would think, I photographed the occurrence of fire rainbows or rainbow clouds in our skies a couple of times previously.
Here’s a picture of the one I saw next to our Parliament Building in November 2015.
Sony Alpha a7R, ISO 100, f16, 1/800 sec.
#rainbowcloud #iridescent #clouds #sky #rainbow #weather #cumuluscloud #malaysia #a7r #sonyalpha #zeiss #tbt