TORNADO By Mohamad Bagas Setiawan 04 Amaliyah Rahayu

TORNADO By: Mohamad Bagas Setiawan (04) Amaliyah Rahayu (11) Eka Setyaningsih (13) Fattah Kurniawan (16) Ismawati Purnama Sari (17) Septian Dwiki Indrawan (22) Class: XII SCIENCE 4

Do you know tornado?

GENERAL STATEMENT Tornado is the most damaging storm. The word tornado come from Spanish “Tronada” that mean thunder storm. Also come from Latin language ”Tonare” which mean rumbling. According to the story, the word tornado was taken from combination between ronada and Tornar in Spanish. Tornado is air column which rotate very fast and form relation between cumulonimbus cloud.

Cumulonimbus Cloud

HOW TORNADO HAPPEN? Before tornado happens, it has several signal. First, the sky seems dark. Then happen ice rain around the area, usually 20 -25 minutes. After that, the situation will calm, but the sky become darker. Fourth, cloud moving around the area. Fifth, the sound of tornado heard. At the beginning, the sound like water fall, but in the process of time it will change until like jet plane which is very loud.

The process of tornado begin with storm followed by rain, thunder and lightning. When the temperature of the soil go up, the hot and moist air start to go up too.

Then, when warm, the moist and cold air fill up the dry air. That upraised up, enter to the upper air layer. A thunderbolt cloud begin to form in this phase.

The move of air go up is very fast. Wind from side cause the different direction and form a very strong rotation.

A cone, result of that air rotation start to form and seem from the cloud to soil surface so form Tornado.

CONCLUSION So tornado is one of the most damaging disaster which dangerous for living things and non living things. And it can destroyed the ecosystem.

Thank You For your attention