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Atmospheric Optics - wow

wiskey

wiskey

Albatross Admirer
Atmospheric Optics - what a fascinating web site. and lots of stunning pictures. i found all of the accompanying information interesting too and although i've got a reasonable knowledge i've learned so much more.

atmospheric optics said:
Light playing on water drops, dust or ice crystals in the atmosphere produces a host of visual spectacles - rainbows, halos, glories, coronas and many more. Some can be seen almost every day or so, some are once in a lifetime sights. Find out where to see them and how they form. Then seek and enjoy them outdoors.
Click to expand...


so i thought i'd share it with you :cool:

wiskers

sadly cant show you any of the amazing weather effects cos it wont let me borrow pics :(
 
I was planning on having a productive day today but this site is waay to interesting.

Oh well at least I'm learning something.

:)
 
Nice to be able to name "crepuscular rays" and "anti-crepuscular rays" now :cool: Always loved them, we see some fantastic ones from our tower block balcony, coming right across South London at sunset.
 
fudgefactorfive said:
Nice to be able to name "crepuscular rays" and "anti-crepuscular rays" now :cool: Always loved them, we see some fantastic ones from our tower block balcony, coming right across South London at sunset.
Click to expand...

thats why i liked this website - cos i see these things all the time. now i just want to get photos as great as theirs
 
There were definitely Things Afoot at sunset this evening. There were two patches of rainbowness, one on either side of the sun, which I reckon were sundogs, and a patch of pearly green and pink cloud above which I thought might have been nacreous clouds but looking at the site again were probably just iridescent clouds.
 
RubyToogood said:
There were definitely Things Afoot at sunset this evening. There were two patches of rainbowness, one on either side of the sun, which I reckon were sundogs, and a patch of pearly green and pink cloud above which I thought might have been nacreous clouds but looking at the site again were probably just iridescent clouds.
Click to expand...


I saw them (on a train south of Gatwick) first time ever I've recognised Sundogs...:cool:
 
Crispy said:
Seen one of these, twas ace :)

http://www.sundog.clara.co.uk/halo/cza.htm
Click to expand...
Looked like this:
CIMG1435.JPG
 
On going display - more seen from Yorkshire yesterday morning (though visible as far south as the Midlands, Norfolk, etc):
Sean-Crane-IMG_0283_1454449609_lg.jpg
 
Interestingly associated processes lead to ozone depletion - there are polar stratospheric clouds (type I) consisting of nitric and sulphuric acid (which occur naturally), that react with man made pollutants to then destroy ozone. During this nacreous cloud (type II polar stratospheric) episode a temporary ozone hole has formed over the British Isles as a result (eg here on Feb 1st):
ozone_strip.jpg

No reason for great alarm though as the incident UV levels at the ground are still very low (UVI<1), for example levels in London:
UVI-London.png
The nacreous clouds are being seen as far south as the Alps, though the shot below was taken from Edinburgh.
Colin-Fraser-Nacreous-Clouds-1-Original-Resolution_1454498623_lg.jpg
 
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