What Are the Criteria for a Super Typhoon? What Wind Speed Qualifies as a Super Typhoon?
TyphoonSays·防御问答 · Typhoon knowledge · 更新 at 2026-07-18
What Is a Super Typhoon?
When we talk about a "super typhoon," we are referring not just to strong winds, but to the highest intensity level in the tropical cyclone classification system. According to the National Standard for Tropical Cyclone Grades (GB/T 19201-2006) issued by the China Meteorological Administration (CMA), tropical cyclones are classified into six categories based on the maximum average wind speed near the center of the lower layer: tropical depression, tropical storm, severe tropical storm, typhoon, severe typhoon, and super typhoon.
Among these, the "super typhoon" sits at the pinnacle of the pyramid. To earn this title, the maximum average wind speed near the center of the lower layer of the tropical cyclone must reach or exceed 51.0 meters/second. Converted to kilometers per hour, which is more familiar to many, this equates to wind speeds of 184 km/h or higher; in terms of the Beaufort scale, it corresponds to force 16 or above. Winds of this magnitude are extremely destructive, capable of uprooting large trees, destroying poorly constructed buildings, and causing severe storm surges.
The Destructive Power Behind Wind Speeds
Understanding wind speed values can be somewhat abstract, so let's look at their practical impacts. When wind speeds exceed 51 meters/second, the air pressure generated is immense, making ordinary glass windows difficult to withstand. Outdoor billboards, makeshift sheds, and other structures face a very high risk of collapse. Additionally, super typhoons are often accompanied by extreme precipitation events.
It is important to note that the "maximum average wind speed" in meteorological observations refers to the average over 2 minutes or 10 minutes, while instantaneous gust speeds are typically higher and may far exceed force 16. This means that even brief exposure outdoors during a super typhoon can cause fatal injuries to humans. Therefore, the core response strategy when facing such warnings is "evade" rather than "defend."
Warning Response and Life Guidelines
When meteorological departments issue a Red Typhoon Warning Signal, it usually indicates that the local area will be severely affected by the typhoon, potentially reaching or approaching the power of a super typhoon. Under such extreme weather conditions, social operations undergo significant changes:
- School and Work Suspensions: Most regions will activate the highest level of defense response. Primary and secondary schools and kindergartens will suspend classes, and employers, except for special industries, should arrange for work suspensions. Please note that standards may vary by location, so refer to announcements from local governments.
- Traffic Control: Expressways may be closed, and flights, high-speed trains, and ferries may be largely canceled or delayed.
- Home Safety: Residents should stay in the safest room indoors, away from windows. Check electrical circuits and gas supplies, and reserve at least three days' worth of drinking water and non-perishable food.
Do not go outside during the brief period of calm when the eye of the typhoon passes, as the reverse winds that follow may be even more intense. Keep informed by following official updates on the latest path and intensity forecasts, and do not trust unverified online rumors.
Real-time typhoon tracks can be queried at TyphoonSays (taifengshuo.com)
This article is typhoonsay's original copy content, and the local policy standards are based on the local government's latest release.