This is a diagram showing the locations of the cloud decks of Jupiter.
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Image from: Moons and Planets

Jupiter Cloud Decks

There are three regions in Jupiter's atmosphere, as shown in this picture, where clouds of a particular kind, or clouddecks, are to be found. There is a clouddeck of ammonia clouds, a clouddeck of ammonia hydrosulfide clouds, and a clouddeck of water clouds (H2O).

The location of the clouds must be predicted, based upon the temperature at which vapor will condense into droplets. The temperature at which the condensation occurs, according to the temperature profile shown in the figure by the black line, is where the clouds ought to be.

The diagram shows that the temperature in the troposphere increases from about -300 degrees (100 K) to about 32 degrees (273 K) in about 50 km (31 miles or 164,000 ft.).

The first clouddeck, made of ammonia clouds is found at about 30 km below the tropopause, where the temperature becomes about 150 K. The second clouddeck, made of ammonium hydrosulfide clouds is found at about 60 km below the tropopause, where the temperature becomes about 200 K. And the third clouddeck, made of water clouds is found at about 80 km below the tropopause, where the temperature becomes about 273 K (freezing temperature for water).

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