stratocpheric ash clouds
Taken by Radek Grochowski on June 30, 2019 @
Ĺwidnica, Poland
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Camera Used: NIKON CORPORATION NIKON D500
Exposure Time: 10/2500
Aperture: f/5.0
ISO: 100
Date Taken: 2019:07:01 11:13:05
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Details:
Yesterday in the afternoon I noticed some odd-looking "clouds" in the forms of long, straight paralell bands filling western part of the sky. They were definitely not any kind of cirrus or other ordinary clouds.
As the temperature here was 35 degrees centigrade I thought it could be a desert dust brought here from Sahara.
But after sunset it became obvious that these wisps were way higher than the highest clouds, definitely above troposphere. I don't see a way in which a desert dust could find its way into the stratosphere (but maybe I'm wrong).
I think there is a more likely explanation. It could be a dispersed ash cloud from Raikoke volcano in Kuril Islands. It erupted on 22 July and sent huge amounts of ash up to 43,000 feet.
Photographer's website:
No URL provided.
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