Folks waking up in Vernon, British Columbia, this past Sunday were treated to a rather unusual weather phenomenon that looked like something out of a science fiction movie.
In what is a bizarre coincidence of two atmospheric events, an elongated cloud formation known as a "fall streak" or "hole-punch” cloud" appeared above the southern section of the province in the early morning hours. Photos of the rare appearance, along with speculations, have since gone viral. But in this case neither Hollywood nor aliens had a hand in this event. It was all mother nature’s doing.
As the name suggests, the unusual sky formation is actually a hole in a cloud that has part of it falling out in the form of localized snowfall. Clouds are made of water droplets and, during wintertime, ice crystals and snowflakes are formed when the drops adhere to particles, otherwise known as cloud condensation nuclei. These particles can be anything from plain-old dust, flower pollen, or even particulate matter fromRead More »from 'Hole-punch' cloud in B.C. was a bizarre coincidence of two atmospheric events