Want A Snow Day? 'Hole Punch' A Cloud!

Meera Dolasia
2010-09-16T21:45:02-07:00

Clouds with oddly shaped holes or hole punches, ones that look like UFO's have crashed through them, have bemused public and experts alike, for many decades. While known to occur when turboprop and jet airplanes zip through certain clouds, the cause behind the gaping hole remained an enigma, until now.