This is a drawing of Jupiter's belts and zones.
Click on image for full size
NASA
Jupiter's Belts and Zones
The striped cloud bands on Jupiter are certainly not as straight as they appear to be in this picture!
The picture shows that the striped pattern is divided into belts and zones. The belts and zones of Jupiter are labeled in the picture.
In a belt, the winds flow in one direction. In a zone, the winds blow in the opposite direction. The cloud tops are higher in a belt, and lower in a zone.
Within these belts and zones, the winds blow 225 miles/hour! That makes a pretty rough environment.
(Earth has a similar but much smaller pattern of belts and zones.)
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