When Winter Storm Grayson plowed into the East Coast earlier this month, it brought a few unwelcome gifts—namely brutal cold, power outages, coastal flooding, and whiteout conditions from Virginia to Maine. But the blizzard also gave parts of New York and New England the chance to experience the rare and thrilling weather event known as thundersnow. It happens when a snowstorm produces thunder and lightning, and has been known to send meteorologists into ecstasies of delight.
Continue reading Lightning, meet snowstorm: The makings of thundersnow