Feb 18, 2009

What is tornado

The English name for tornado, are referring to happened in the bottom or self-cumulonimbus cumulonimbus down to the ground or the sea of strong spin column, the naked eye often see into tube-like funnel cloud or clouds. Happened on land are called LU Long-volume, on the sea for water spouts. 

 In the atmosphere, the tornado is a small area, the power of a strong and highly destructive air vortex, and its diameter from tens of meters to several hundred meters and the average of about 250 meters. Since the distant look, it seemed a dark gray funnel or trunk, since the cloud base stretching down to the ground, the whole column in itself funnel cloud around the central axis of rapid rotation, and at the same time moving forward. Yun-chu, sometimes hanging in the air reverberating, sometimes lower, and on the ground, the regular place as a serious disaster. Tornado path length, average of about 5-10 km in between, but also record up to 300 kilometers; tornado's life cycle, the shortest less than one minute, but some can be up to several hours, with an average of about 10 minutes.

No comments:

Post a Comment