The cloud was spotted by thousands of Hoosiers who gathered to watch a fireworks display in downtown Indianapolis, and many RTV6 viewers … also said they saw the cloud.
RTV6 Meteorologist Todd Klaassen said the odd-shaped cumulonimbus cloud is often seen during thunderstorms, and that rain fell briefly in Shelby County. What made it stand out was the fact that it was the only cloud in the sky for most people.
Some RTV6 Facebook fans said they saw lightning coming from the cloud as sunset neared.
People quoted in the story didn’t know what to make of the cloud thinking it was from a nuclear explosion. But these are very common.
This is also known as a “thunderhead” cloud since it heralds a thunderstorm. It’s caused by the vertical uplift of warm air. When the air cools and condenses, it rains. Hard.
This one was quite spectacular:
Here’s a link to a slideshow of more pictures.
People, get outside more often! Nature is awesome!!!