⚡❄️ RARE THUNDERSNOW ERUPTS IN MARYLAND ❄️⚡ Lightning Strikes as Snow Falls This is THUNDERSNOW — one of the rarest and most intense winter weather phenomena on Earth. In Glen Burnie, Maryland, a powerful winter storm became unstable enough to produce lightning and thunder while heavy snow was falling, turning a quiet night into a rare atmospheric event. During thundersnow, snowfall rates can suddenly surge to 2–4 inches per hour, visibility can collapse in seconds, and thunder sounds eerily muf