Cumulonimbus.
If you are in a safe place, for example your house, you are safe from the storm and from any lightening. I always remember "When thunder roars, go indoors."
A storm cloud can get taller when you tie it with a candy floss.
storm
A storm does not become a tornado; it produces one. The rest of the storm remains largely unchanged as a cumulonimbus cloud. The tornado itself forms a funnel cloud.
Hurricane is to storm as cirrus is to cloud.
cloud and wind
Well a nimbus cloud is not a cloud. If you are referring to a cumulonimbus cloud than yes. A cumulonimbus cloud is a storm cloud. Clouds that have names that include -nimbus or nimbo- are likely to produce precipitation.
The storm cloud is in Laughing Springs. It's just right next to the seashell bridge!
cloud and wind
culmus
Cuddly Werewolf and Storm Cloud are Limited Edition codes from Moshi Magazine #2.
cumulonimbus clouds aka storm clouds