S ightings of hole-punch clouds inundated the Facebook page ... cause them to freeze and grow so heavy that they fall toward the ground. The streaks are often oblong or oval-shaped as the ...

The hole-punch cloud forms when a plane passes through ... When the plane passes through, the water droplets quickly freeze and grow and fall. Thus, creating a hole that is left behind that ...

[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.