Thundersnow is exactly what the name suggests – a snowy thunderstorm. But the winter version of a thunderstorm is far less frequent than the spring and summer thunderstorms most people are used to.

NOAA says the “ingredients” for thundersnow are similar to a thunderstorm: moisture, instability, and a lifting mechanism. In the case of thundersnow, the phenomenon occurs when there is ...

Wednesday’s winter storm provided some Hoosiers with a rare weather phenomenon called “thundersnow.” The occurrence is “something unusual,” according to the National Weather Service.

By Brandon Miller and Zoe Sottile, CNN Thundersnow is exactly what the name suggests — a snowy thunderstorm. But the winter version of a thunderstorm is far less frequent than the spring and ...

There have been multiple reports of people hearing thunder while heavy snow was occurring Thursday, Feb. 9. Were they making it up? Nope! It's a very real and unique weather phenomenon.

As many in the region will have noticed, the storms generating the thundersnow were packed full of snow—Copenhagen saw 58.8 inches of snowfall in 24 hours, according to AccuWeather.

Thundersnow can develop in three ways. Sometimes thundersnow forms like a typical thunderstorm along a powerful arctic cold front. Warm air bubbles and rises in the atmosphere, creating a thunderstorm ...