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JACKSON, Wyo. — Anyone notice the small, round bits of snow on their car or on the ground Monday morning? The pellets of frozen water fall somewhere between snow, sleet and hail.

The National Weather Service (NWS) and the National Oceanic and Atmospheric Administration break down how graupel is formed.

According to NWS, the precipitation forms when supercooled water droplets coat a snowflake crystal. The intensity of this process, known as “riming,” can influence the size of the pellet.

“Graupel occurs when there is a lot of wind circulation in the clo

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