Someone sent me the following question dated 16 May 2011 - Can you answer it please?
'Please explain what the glowing clouds are!? I was landing in NYC at midnight.... and the clouds were SO BEAUTIFUL. blue & red. Everyone on the plane was talking about it. The odd part is, we circled nyc 3 times with no explanation.'
#1 displays characteristics of chem cloud at sunset in a neutral state.
#2 displays characteristics of the prismatic effect of a chem cloud at sunset in an excited state.
#3 displays the prismatic effect of chem cloud with refraction off the water at sunset in a neutral state.
Per chance one of the above pics may endow a solution to a very vague question.