The International Cloud Atlas has named 'new' of clouds and cloud for the first since 1987. Meteorologists and cloud have 12 new names to play with. The atlas started in 1896. It is believed to be the and most authoritative reference on clouds. The World Meteorological Organization (WMO) publishes it and decides or not to include new clouds. The WMO said you don't need to be an to find a new cloud. It said anyone can take a and send it to the WMO, and that could one become a new cloud.
The cloud creating the biggest online is named asperitas, meaning 'rough-like' in Latin. It looks like big at sea when looked at from below. Another is the volutus. This a -shaped cloud that looks like it is rolling. The WMO said the new clouds could increase people's in the . It said: "By learning the name of the formations…we pay attention to and value what we see around us." It added: "By giving a to the forms of our atmosphere, we are helping to value our and to pay attention to our on it."