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A drawn circular depiction of earth with arrows curving in toward the equator to the left from 30 degrees latitude and arrows between 30 and 60 degrees latitude curing in the opposite direction. The region below the equator is labeled the subtropical dry zone and the area above it is labeled ITCZ thunderstorms. North of that is labeled Mid-latitude storm zones. On the left side of the image are circular rotations, the bottom of which is red and the upper portions blue. The one near the equator is labeled the Hadley cell, circulating clockwise in the northern hemisphere, counter in the southern. Midlatitude rotates in the opposite direction, and the polar returns to clockwise.

Earth’s Clouds on the Move

Marine storm cloud zones have shifted poleward and narrowed, and the changes are contributing to our planet’s growing energy imbalance.

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