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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 kilometers away, while the thunder from thundersnow can usually only be heard within a two to three kilometer radius from the lightning. In the United States, March is their peak month of formation, and on average, only three events are reported per year.
Thundersnow, while rare anywhere, is more common with lake effect snow in the Great Lakes area of the United States and Canada, the midwestern U.S., the Great Salt Lake, and has also been reported around Kanazawa and the Sea of Japan and even around Mount Everest during expeditions.
Thundersnow is reported throughout the Ohio Valley region in March of 2008.