描写灾难的英文作文120词左右

Typhoon level
According to the China meteorological administration "concerning the implementation of tropical cyclones GBT level national standard" 19201-2006 notice,tropical cyclone press center with maximum sustained winds near the ground is divided into six level:
Name attribute
Super typhoon (Super TY) near the bottom center maximum average wind speed p 51.0 m/s,namely,16 level or above
Phili ines (STY) bottom maximum average speed near the center 41.5-50.9 m/s,namely,14-15 levels
Typhoon (TY) near the bottom center maximum average speed 41.4 m/s 32.7 -,i.e.,12-13 level
Strong tropical storm (STS) near the bottom center maximum average wind speed 24.5-32.6 meters per second,namely wind 10 or 11 grade
Tropical storm (TS) near the bottom center maximum average wind speed 17.2-24.4 m/s,namely wind 8-9 level
Tropical depression (TD) bottom near the center.The most