A quick question:

Why the need for the new clouds in the International Cloud Atlas? Were they always there but rare, although now captured on cameras and uncatalogued, or are they really new and due to climate change? (I suspect it' the former.)

Thanks.

Jan

On 29/03/2017 10:22, Janet Winslow wrote:
A quick question:

Why the need for the new clouds in the International Cloud Atlas? Were they always there but rare, although now captured on cameras and uncatalogued, or are they really new and due to climate change? (I suspect it' the former.)

Thanks.

Jan

Jan, it is indeed the former.

I expect most on here who have observed clouds (paid or unpaid) will
have seen SC Asperitas, though it's not very common. Now we have a name
for it - probably because more people have got good photos of it (we can
almost certainly thank digital photography for this).

Homomutatus clouds (generally formed from aircraft contrails) are
relatively new clouds. The Met Research Flight (MRF) was formed during
the war to investigate how these formed - important when bombers were
causing them as it pinpointed the aircraft's position to the enemy.