This is how you sign Thunder in American Sign Language.

How to sign

To sign "Thunder" in American Sign Language (ASL), extend the index finger of your dominant hand and trace a zigzagging downward movement.

To sign "Thunder" in American Sign Language (ASL), extend the index finger of your dominant hand and make a zigzagging motion downwards.

Weather: Loud noise during a storm.

Storm, Booming, Noise

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