Thundersnow can occur during a normal snowstorm that sustains strong vertical mixing which allows for favorable conditions for lightning and thunder to occur.

Nov 25, 2025 · Thundersnow forms when temperature and moisture conditions are just right – a mass of cold on top of warm air, plus moist air closer to the ground. As noted above, …

Jan 6, 2025 · Thundersnow, also known as a winter thunderstorm, happens when a snowstorm is accompanied by thunder and lightning. As of Monday (Jan. 6) morning, the phenomenon has …

Mar 10, 2020 · Learn what thundersnow is, where to find it, and how it's different from a regular thunderstorm. Get facts about the special hazards of a thunder snowstorm.

Mar 17, 2025 · This rare phenomenon, sometimes called a winter thunderstorm, occurs when a wave cyclone experiences strong upward motion. Freezing temperatures cause snow to fall as …

Dec 3, 2024 · It occurs when conditions are cold enough that a thunderstorm produces heavy snow instead of rain. The National Weather Service (NWS) describes it as a "rare weather …

Jan 29, 2025 · Thundersnow is just a thunderstorm that produces snow instead of rain. This relatively uncommon phenomenon is usually found in mountainous areas, near the Great …

Experts say that thundersnow—a phenomenon when thunder and lightning occur during a snowstorm—tends to bring heavier accumulations. Until recent decades, we didn’t know if the …

Defining Thundersnow The formal term for a snowstorm accompanied by lightning and thunder is “thundersnow.” The sensory experience is distinctly different from a summer thunderstorm. …

Jan 27, 2025 · A reader recently asked us if thunder ever occurs with snowfall. It turns out that such “thundersnow” does, in fact, occur occasionally in very intense winter storms. Clouds and …