The phenomenon, known as thundersnow, occurs when a thunderstorm ... Thunder and lightning are much more common in warm, summer months because of convection, the upward motion of air that helps ...

Those collisions create the same static charges as in a summer thunderstorm. With enough static charge, lightning is created. Thundersnow is typically associated with very heavy rates of snow ...

To his happy surprise, it turns out this weekend’s storm was a rare “thundersnow” event in which the blizzard was punctuated by occasional bursts of lightning. The Weather Channel itself has ...

Atmospheric instability resulted in ’Thundersnow,' an unusual weather condition that brings lightning and thunder during a snowstorm. Photo: Fox ...