The cloud is called a hole-punch cloud due to its large circular appearance. This phenomenon is caused when there are altocumulus clouds in the sky. Tiny water droplets are colder than freezing ...

(WLOX) — Fallstreak holes, also known as “hole punch clouds,” were spotted in ... This can be something as small as dust particles or as large as a plane. When something passes through ...

[bitluni] took matters into his own hands and built this nifty DIY hole punch for light-gauge sheet metal. A little backstory will probably help understand why [bitluni] needs so many holes.