A weather phenomenon characterized by a low-pressure area that can lead to tropical cyclones.

उष्णकटिबंधीय लहर

English Usage: The tropical wave moved across the ocean, increasing the chance of storms.

Hindi Usage: उष्णकटिबंधीय लहर महासागर के पार गई, जिससे तूफानों की संभावना बढ़ गई।