What is popcorn snow?
Known by meteorologists as graupel, popcorn snow is precipitation that forms when supercooled droplets of water are collected and freeze on a falling snowflake forming a 2-5mm ball of time. It is also called soft hail or snow pellets. The term graupel is the German language word for sleet.
Join Alexa Answers
Help make Alexa smarter and share your knowledge with the worldLEARN MORE