What is the grade of Typhoon Tian Ge on 20 18?

15. According to the weather network, as of August 2023 10. Typhoon Tian Ge was generated in the northwest Pacific Ocean on August 20th, 2065 14. Since then, the intensity has been continuously strengthened, and it was upgraded to typhoon level on August 22, and upgraded to strong typhoon level on August 23. It jumped twice a day, and the strongest reached15,48 meters per second. Later, it was recognized as a strong typhoon by the Central Meteorological Observatory on 23rd 12: 50, and made landfall in Zhuhai City, Guangdong Province, China, and was downgraded to a tropical depression on 24th 14, and finally stopped numbering 17.