But Sebastian Harkema, a Ph.D. candidate at the University of Alabama in Huntsville who studies thundersnow, says we don’t really know for sure how or why this process occurs in the wintertime.

Thundersnow – a thunderstorm that produces snow instead of rain – is sometimes reported during winter storms. Made famous by Weather Channel meteorologist Jim Cantore, whose excitement at ...

The phenomenon, known as thundersnow, occurs when a thunderstorm produces snow instead of rain. The weather event is so rare that Weather Channel meteorologist Jim Cantore can barely contain his ...

But sometimes it’s a flash high above the surface that really steals the show. Vivid bouts of thundersnow are a rare but beautiful phenomenon that some folks are lucky to experience during the ...