Cumulus Clouds  积云

💭 puffy and white-like cotton balls; flat on the   bottom and fluffy on top

💭 from 2,000 to 20,000 feet above the ground 

💭usually indicate fair weather

💭 sometimes they grow very large and become thunderheads 

 

Cirrus Clouds  卷云

💭 thin, curly, wispy clouds

💭 between 25,000 to 40,000 feet above the ground

💭 so high in the atmosphere that the water droplets       freeze into ice crystals

💭 indicate an incoming storm or weather change

 

Cumulonimbus  Clouds  积雨云

💭 the thunderstorm clouds with rain lightening or snow.

 

Stratus Clouds  层云

💭 low, flat, gray clouds that look like sheets covering the sky

💭 closest clouds to the ground

💭 as low as surface level (fog) to about 6,500 feet             above the ground

💭 produce rain, drizzle, snow, or mist