
At sunrise, Mina crouched beside a rainforest stream with a rain gauge in her hand. She wanted to know why the forest often made a storm before afternoon was over.
Why Does a Rainforest Make Its Own Afternoon Storms?Rainforests release water vapor through leaves, adding moisture and heat to the air until clouds build and rain returns to the forest system.
1. At sunrise, Mina crouched beside a rainforest stream with a rain gauge in her hand. She wanted to know why the forest often made a storm before afternoon was over.
2. Drops slid from the leaves and joined the stream. Mina traced their path with her pencil, then paused. The forest was full of water, but where would all that water go when the sun grew hot?
3. By late morning, the leaves held the sun like warm green windows. Mina noticed that the wetness was not only rain left behind. Plants were sending water out through tiny openings in their leaves.
4. The warm air grew thick with invisible water vapor. Mina could not see every bit of it, but she could feel the dampness on her cheeks and sleeves.
5. Above the treetops, the warm, moist air gathered into a tall cloud. Mina finally saw the missing piece: water vapor could cool, join together, and become cloud droplets.
6. Then the first drops tapped the gauge. Mina had hoped to finish her notes in sunshine, but the storm had arrived early, and the rain blurred the last line on her page.
7. When the shower softened, Mina checked the gauge. Water had returned to the soil, the stream, and the leaves, ready to begin the journey again.
8. The forest had not simply waited for rain from somewhere else. Rainforests release water vapor through their leaves, adding moisture and heat to the air until clouds build and rain returns to the forest system.
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