When the weather begins to get warm after it has snowed and the snow begins to melt, there are actually a number of complex and important physical processes taking place. Heat is absorbed and converts the snow particles ... More »

Snow forms when atmospheric water vapor freezes onto a pollen or dust particle, which creates an ice crystal. As it falls, more water vapor freezes onto the ice crystal to create snowflakes. More »

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Snowstorms are storms characterized by a significant volume of snow with accompanying high wind. A massive snowstorm with intense snowfall and strong winds that lasts for a long period of time is called a blizzard. More »

A snow squall is defined as an intense, heavy snowfall with strong winds and a possibility of lightning. The amount of snowfall is significant. Another term used to describe a snow squall is a whiteout. More »

Sleet is snow that has partially melted as it falls through changing temperatures in the atmosphere. Temperatures may rise above freezing as a snowflake falls to the ground, causing it to lose its hexagonal shape and bec... More »

"Onion snow" refers to the last snowfall of the winter season and is said to mark the beginning of spring. It received its name because onions are planted in early spring, and the later snow fall covers them, providing s... More »

There is no modern record of snow ever falling in Puerto Rico. The lowest temperature on record for Puerto Rico is 39 degrees Fahrenheit, which is too warm for precipitation to fall as snow. Puerto Rico does have a rainy... More »