Altocumulus and altostratus clouds usually bring which of the following types of weather?

Usually alto-cumulus and alto-stratus are clouds that have been slowly lifted by the very slack slope of a warm front. The normal progression of this type of weather is to see the ceiling to go down, drizzle to happen, the wind to increase and dark nimbostratus and cumulonimbus full of rain or snow. 

The molecules contain like 54 of water