Iridescence in a Pileus Cloud - a photo on Flickriver

Iridescence in a Pileus Cloud

After a bit of searching I have found a small gallery of like formations with the following explanation:

Pileus or "mushroom cap" clouds are formed above cumulus. During the day warm moist air in cumulus rises and the clouds tower upwards. Sometimes their vertical growth pushes up a layer of moist air above them. The air layer expands as it is forced up into lower pressure surroundings and adiabatically cools. The water vapour in it suddenly condenses forming a misty veil-like layer of droplets above the cumulus - pileus cloud. Any cloud formed suddenly has all its droplets of similar size - ideal for iridescence or a corona. Source

This was shot very close to sunset with my point and shoot camera on the highway near Ipoh, Malaysia. I had black and white film in my camera at the time - bummer hey?!

Some rights reserved

Taken in: Malaysia / Perak / Kampong Kuala Menora (show map)

Taken on: January 26, 2009

Tags:

optical

phenomenon

rainbow

malaysia

spectrum

reflection $Everybody's photos tagged with refraction$ refraction

atmospheric

nikon

e4600

uncropped

pileus

cap

cumulus

iridescent

cloud

corona

interestingness

There Be a Storm A Brewin « less

Sets appears in: • Explored • Most Interesting 50 more » • Malaysia « less

Groups appears in: • CSSS: Storms - There Be A Storm A Brewin! • Pileus Capped Clouds of the World. more » • CSSS: Clouds / Pileus (A form of Lenticular Clouds) « less

Camera: NIKON E4600, f/6.1, 1/190 sec, 10.4mm, ISO 50 (more info) (hide info)

Camera:	NIKON E4600
Aperture:	f/6.1
Exposure Time:	0.005 sec (1/190)
Focal Length:	10.4mm
ISO:	50
Exposure Bias:	0 EV
Flash:	Auto, Did not fire
Exposure Program:	Program AE
Exposure Mode:	Auto
Metering Mode:	Multi-segment
White Balance:	Auto
Color Space:	sRGB
Software:	Adobe Photoshop CS3 Windows
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