As a recap, the difference between warm and cold air helps create positive and negative charges within a cumulonimbus cloud. Positive charges reach up from the ground, and when they reach a negative ...

Skygazers near Amarillo, Texas, were treated to the breathtaking sight of a cumulonimbus "mushroom" cloud associated with a thunderstorm southeast of the city Tuesday evening. A cumulonimbus cloud is ...

Even on quiet nights out for dinner with my wife, weather geekdom can find its way to the surface. Friday was one of those evenings. The Italian restaurant was packed so I dropped my wife off to get ...

On two days last week, the king of clouds reigned the skies above parts of the Inland Northwest, evoking an eerie beauty and spewing impressive thunderstorms. Cumulonimbus clouds, also known as ...

Unusual weather conditions caused Northern California’s Dixie Fire to generate its own overhead thunderstorm Monday, with wild winds and “extreme, extreme” conditions accelerating its rate of spread, ...

The video taken Monday shows pyrocumulonimbus, or storm clouds triggered by wildfires that often include lightning and rain. After the Dixie fire in Butte and Plumas counties spurred its own storm ...

A powerful storm in southeast Queensland brought in fist-size hail, heavy rain, and 133,000 lightning strikes in just 2 hours. The lightning was triggered by a large thunderstorm over Kimberly and was ...

SAN JOSE (NEXSTAR) – Be thankful if your morning weather forecast has never called for pyrocumulonimbus clouds. What is a pyrocumulonimbus cloud? For those of you who are rusty on your ancient Greek, ...

On September 22, 2025, in Bandung, Indonesia, @rlazuwardi shared a video of a striking weather phenomenon. In the video, residents see lightning-filled clouds with a broad, mushroom-shaped top and ...