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 »

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 »

Snow appears to burn because of the chemical properties of water and the physical makeup of snow. Snow is loosely packed and contains more air than water, which creates a cushion that slows down the rate at which the icy... More »

Types of snow crystals include stellar dendrites, stellar plates, capped columns, needles and triangular crystals, each of which only form under specific conditions. Stellar plates are one of the most common types of sno... 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 »