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Search: fallstreak

UK 26JUN2017

https://www.thetimes.co.uk/article/a-wondrous-sight-in-the-sky-wt7w8j7nr If you get past the barrier Simons goes on to discuss a fallstreak hole in Ac, and cirrus as markers of the jet stream. hwyl fawr roughly “all the best” says http://www.worldwidewords.org/weirdwords/ww-hui1.htm

Lacunosus Event

I submitted a close up lacunosus shot to the gallery recently. The event during which that shot was taken lasted for me around 45 minutes, and I did not witness it from the beginning. Mid morning chores had me outside when I looked up  and...

Lacunosus Event

I recently submitted to the Gallery a close up photo of lacunosus. The event which the shot was taken lasted around 45 minutes for me and I didn’t see it from the start. Mid Morning had me outside doing chores when I looked up and...

Lacunosus Event

I recently submitted to the Gallery a close up photo of lacunosus. The event which the shot was taken lasted around 45 minutes for me and I didn’t see it from the start. Mid Morning had me outside doing chores when I looked up and...

Reply To: Black and White Thread Volume II

I am not sure I understand your question Hygge. In the case of Tuesdays cloud of the Cloud-A-Day service you can find it in the archive (see link at the bottom of this page, I suppose you have to be logged in). In case of...

Reply To: Could you explain this phenomenon?

Looks like a distrail though  ‘fallstreak hole’ is another reasonable name for it although it is a special version of one. The following link supplies a good explanation and some more photos. http://www.weatherscapes.com/album.php?cat=clouds&subcat=distrails Although distrails usually occur in supercooled cloud, I once saw one in thin...

Reply To: Could you explain this phenomenon?

I can’t tell what it is, but I don’t think is a fallstreak hole. In a fallstreak hole, the ice crystals that form tend to precipitate and evaporate, so upper part is thicker and the lower part is fading away, like in a virga. Here...

Reply To: Black and White Thread

I thought I’d share this picture because of the several things happening at once. There is fallstreak hole on the left. Then there is a contrail going across, slowly ascending from mid left to mid right where it’s very bright as it gets closer to...