Typhoon Scale and Wind Speed Reference: What Is the Wind Speed of a Category 12 Typhoon?
TyphoonSays·防御问答 · Typhoon knowledge · 更新 at 2026-07-19
How Fast Is the Wind in a Category 12 Typhoon?
When we refer to a "Category 12 typhoon," we are talking about one of the highest levels on the wind force scale. 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 sustained wind speed near the center. The wind speed range for the "typhoon" category is 32.7 m/s to 41.4 m/s, which converts to approximately 118 km/h to 149 km/h.
Specifically, "Category 12 winds" correspond to a wind speed range of 32.7 m/s to 36.9 m/s (i.e., 118–133 km/h). At this wind speed, large trees that are rarely uprooted on land may be pulled out by the roots, and buildings may suffer damage. If the wind speed exceeds 36.9 m/s but remains below 41.5 m/s, it falls into Categories 13–14; if it exceeds 41.5 m/s, it is upgraded to a severe typhoon or super typhoon. Therefore, Category 12 wind is a significant threshold for typhoon intensity, marking a substantial increase in destructive power and requiring heightened vigilance.
How Does Category 12 Wind Impact Daily Life?
The destructive power of Category 12 winds should not be underestimated, posing serious challenges to daily life and public safety. Under such conditions, the outdoor environment becomes extremely hazardous:
- Transportation Disruptions: Expressways may be closed, flights largely canceled, and ferry services suspended.
- Infrastructure Damage: Billboards, temporary structures, and old trees are highly prone to collapse or breakage.
- Power Outages: High-voltage lines may snap due to fallen trees or strong wind tension, causing localized power outages.
For ordinary residents, it is crucial to strictly avoid going outdoors. If you are outside, quickly seek shelter in a sturdy building, staying away from glass curtain walls, large trees, and utility poles. At home, check that windows and doors are secure, and move flower pots and miscellaneous items from balconies indoors to prevent injuries from falling objects. Additionally, stock up on an adequate supply of drinking water, food, and emergency lighting equipment to cope with potential water and power interruptions.
Warning Signals and Response Measures
When meteorological authorities issue a Red Typhoon Warning Signal, it typically means that the area may be affected by a tropical cyclone within the next 6 hours, with average wind speeds reaching or exceeding Category 12, or that such conditions have already occurred and may persist. This is the highest level of typhoon warning, representing an extremely high risk.
Regulations regarding school closures and work stoppages vary by location and are subject to local government announcements. Generally, during the effectiveness of a Red Warning, primary and secondary schools and kindergartens usually suspend classes automatically. Employers, except for those in essential industries, are advised to halt operations or adopt flexible working arrangements. The public should closely monitor the latest warning information released by local meteorological observatories and follow emergency guidelines from government departments, avoiding unverified online rumors. The key to disaster prevention lies in "early preparation, minimizing outdoor activities, and following instructions," ensuring the safety of yourself and your family is the top priority.
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This article is typhoonsay's original copy content, and the local policy standards are based on the local government's latest release.