It was a classic cumulonimbus cloud in so many ways. In fact, if you look at the chart below, the picture resembles the symbol for a cumulonimbus (Cb) that has an anvil shape at the top.

Thunderstorms can be characterized by their classic anvil-shaped tops, which are where the air hits a strong, stable layer of the atmosphere and can’t force its way through it. This layer is often ...

Cumulonimbus clouds shoot up through the atmosphere, creating a tower known as an anvil - a clear sign thunderstorms are in the forecast.

That cloud is popularly known as an anvil cloud, because of its shape. The technical name for this type of cloud is cumulonimbus incus. It is often associated with lightning and heavy rain or hail.

Mammatus clouds typically form beneath the anvil of a cumulonimbus cloud. And unlike most other clouds, which develop as a result of rising air, mammatus clouds actually form from sinking air.

If the air is warm and humid near the Earth’s surface but much colder higher up, a fair-weather cumulus cloud can quickly grow into a towering cumulonimbus—the kind that brings thunderstorms.

Heat waves bring dangerous and deadly lightning strikes. Here’s how to avoid getting struck - More than 30 people have been injured by lightning strikes during the course of the past two weeks ...

They're both ominous looking and are often confused for each other, but they are very different clouds. Let's look at how a ...

Mammatus clouds form under the anvil of cumulonimbus clouds as air descends out of the anvil either in advance of or after a thunderstorm has gone by. In this case on Tuesday October 23, 2018, the ...

It has a solid appearance, therefore not wispy, with sharp, well-defined edges. This image shows an anvil shaped Cumulonimbus cloud at sunset in the Caribbean.

But just because the cloud is mature, doesn’t mean it’s going to play nicely. An anvil, also known as an anvil top or cumulonimbus incus (try saying that three times fast), signifies a very ...