Fallstreak hole?

[Ronna Friend]

Hi,

I’m wondering if this could be a fallstreak hole. It doesn’t look like a typical one (if there is such a thing) but it seems to have some of the features. Or perhaps wishful thinking?

Thanks!

Thanks!

[Hans Stocker]

Hello Ronna,

I don’t want to disappoint you, but I don’t see a fallstreak hole. I see a cirrus filled sky. A typical fallstreak hole shows a hole in a cloud layer and virga falling out of the hole ( so to speak). Did you already know about the Cloud Library (click on resources in the main menu of the CAS site). Here are some marvelous examples on fallstreak holes: cavum. I hope you like it.

A fallstreak hole can be seen in cirrocumulus but thta’s a rare one. Usually it appears in a layer of altocumulus. Where there are planes you can often spot fallstreak holes.

Hans

[Ronna Friend]

Thanks very much, Hans! It really is helpful to know.

[Author]

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