iridescent cloud mexico
© VKIn Merida, a cumulonimbus cloud was capped with a rainbow cloud on August 30, 2018.
This giant cumulonimbus cloud is capped by a rainbow was captured forming over the city of Merida in Yucatan, Mexico on August 30, 2018.
Look at this spectacular iridescent pileus cap over a gigantic cumulonimbus in Merida, Mexico on Aug 30th. It's like the cloud is being irradiated from above.

iridescent cloud mexico
© VKAs if the cloud was bombarded or irradiated from above.
iridescent cloud mexico
© VKOr is it simply the reflection of the sun in tiny ice crystals?
Or is it a sign from heaven?

This impressive cumulonimbus is capped by a giant iridescent cloud. Pileus clouds are usually indicators of severe weather.

Another impressive weather phenomenon that feels unreal or man-made... Just saying!