How does Iswaran describe the uprooted tree on the highway? What effect does he want to create in his listeners?

Iswaran described the uprooted tree on the highway as eyebrows made appropriately and hands stretched out in a dramatic manner. He would begin by saying that the road was aloof, deserted and he was also all alone. Suddenly he found something that looked like a huge bushy beast lying across the road. He was half bent to turn and go back. But when he came closer he saw that it was a tree which had fallen down and its dry branches were spread out.
The effect he wanted to create is suspense resulting in a very small incident which he narrates to the readers.

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