Thundersnow is a rare kind of thunderstorm with snow falling as the primary precipitation instead of rain. It typically falls in regions of strong upward motion within the cold sector of an extratropical cyclone, where the precipitation consists of ice pellets rather than snow. One unique aspect of thundersnow is that the snowfall acts as an acoustic suppressor of the thunder.
The thunder from a typical thunderstorm can be heard many miles away, while the thunder from thundersnow can usually only be heard within a two to three mile radius from the lightning. In the United States, March is their peak month of formation, and on average, only 6.3 events are reported per year.
The Daily Omnivore 
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