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 ...

A rare weather phenomenon rumbled across several eastern and central U.S. states this weekend as Arctic air continues to bring heavy snow and freezing temperatures to millions of Americans.

(WLUK) -- Thundersnow, a rare and powerful winter weather event, could make an appearance in Northeast Wisconsin as Winter Storm Cooper approaches. This phenomenon forms similarly to a regular ...