What is the Difference Between Typhoons, Hurricanes, and Cyclones? Why Are They Named Differently?
TyphoonSays·防御问答 · Typhoon knowledge · 更新 at 2026-08-10
Same Essence, Different "Birthplaces"
When you see news reports about "Typhoon Dolphin" or "Typhoon Noul," you might wonder why some storms are called typhoons while others are called hurricanes. In fact, from a meteorological perspective, there is no physical difference between typhoons, hurricanes, and cyclones. They are all intense low-pressure vortices occurring over tropical or subtropical oceans, featuring similar cloud structures, strong winds, heavy rain, and rotating wind fields.
The different names are purely due to their geographic origins. This is a convention agreed upon by the international meteorological community to distinguish tropical cyclones in different ocean basins. It is akin to the same fruit having different names in different regions. Regardless of the name, when they reach a certain intensity, they possess immense destructive power and require us to be fully prepared.
Detailed Explanation of the Three Global "Naming Zones"
According to the World Meteorological Organization (WMO), these tropical cyclones are primarily categorized into three types based on their formation areas:
- Typhoon: Primarily occurs in the Northwest Pacific Ocean and the South China Sea. Countries in East and Southeast Asia, such as China, Japan, the Philippines, and Vietnam, are most frequently affected. The "Dolphin" and "Noul" you searched for are Northwest Pacific typhoons named by the Japan Meteorological Agency, hence they are collectively referred to as typhoons in Chinese contexts.
- Hurricane: Primarily occurs in the North Atlantic Ocean, the Caribbean Sea, and the Northeast Pacific Ocean. The United States, Mexico, and Central American countries are often affected. For example, powerful storms hitting the US East Coast are typically called hurricanes.
- Cyclone: Primarily occurs in the Indian Ocean and the South Pacific Ocean. This term is commonly used in India, Bangladesh, northern Australia, and other regions. Notably, cyclones in the Bay of Bengal often bring severe storm surges, posing a significant threat to densely populated areas.
Intensity Levels and Defense Recommendations
Although the names differ, the standards for measuring their intensity are consistent. In China, according to the national standard "Grades of Tropical Cyclones," tropical cyclones are classified into six levels: tropical depression, tropical storm, severe tropical storm, typhoon, severe typhoon, and super typhoon. When the maximum wind force near the center reaches level 12 or above, it is classified as a typhoon.
In the face of such weather, the public should closely monitor warning signals issued by local meteorological departments. Please note that specific criteria for school suspensions, work stoppages, and transport halts may vary by location; please refer to the latest notifications issued by local governments and emergency management departments. Generally, when a yellow warning or higher is issued, it is advisable to reduce outdoor activities, reinforce windows and doors, and clear clutter from balconies. If a red warning is issued, stay indoors in safe areas as much as possible, avoid staying near windows, and stock up on necessary drinking water and food.
Regardless of whether it is called a typhoon, hurricane, or cyclone, scientific prevention is the key to protecting life and property. 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.