Is Haikou Prone to Direct Typhoon Hits? How High Is the Typhoon Risk?
TyphoonSays·防御问答 · City Typhon · 更新 at 2026-10-19
Analysis of Typhoon Risk in Haikou: No "Direct Landfall" Does Not Mean Safety
Haikou is located at the northern tip of Hainan Island, on the southern shore of the Qiongzhou Strait. Although it does not frequently experience direct landfalls of typhoon centers (i.e., "direct hits") like eastern coastal cities such as Wenchang and Wanning, this by no means makes Haikou a "safe haven" from typhoons. Meteorological statistics show that Hainan is one of the provinces in China most frequently affected by tropical cyclones. For Haikou, the greater threat often comes from the outer circulation of typhoons and the "dangerous semicircle" effect.
When a typhoon lingers in or crosses the Qiongzhou Strait, or approaches from the direction of the Beibu Gulf, Haikou is often located on the right side of the typhoon's path (the dangerous semicircle). Here, the wind superposition effect is significant, and wind speeds are often stronger than on the left side. In addition, due to Haikou's flat terrain and long coastline, even if the typhoon center is hundreds of kilometers away, its extensive cloud system and wind/rain circles may still cover the entire city. Therefore, when assessing typhoon risk in Haikou, one should not focus solely on "whether it makes landfall," but should instead pay close attention to wind force levels, rainfall intensity, and storm surge impacts. Overall, Haikou faces a relatively high comprehensive typhoon risk, and residents must abandon any luck-based mentality.
Core Disaster Hazards and Defense Priorities
The destructive power of typhoons in Haikou is mainly composed of the "triple threat" of gale-force winds, heavy rain, and storm surges. Specific risk points are as follows:
- Urban Waterlogging and BackflowDrainage capacity in some old urban areas and low-lying parts of Haikou is limited, and short-duration extreme rainfall can easily cause water accumulation on roads. Special caution is needed regarding the risk of rainwater backflow into spaces such as underground garage parking lots and underground shopping malls.
- Wind Damage Hazards: Coastal gusts are extremely powerful. Old windows and doors, outdoor billboards, flower pots on balconies, and street trees can easily become "high-altitude killers" under strong winds.
- Storm Surge Superposition: If a typhoon makes landfall during an astronomical high tide period, the backing up of seawater can lead to poor drainage or even seawater backflow. Coastal low-lying areas need to be on high alert.
Scientific Response Guide: From Warning to Post-Disaster
When facing a typhoon, it is crucial to follow the principles of "prepare early, go out less, and obey instructions."
- Warning Response: Closely monitor warning signals issued by meteorological departments. Typically, when yellow or higher-level warnings are issued, schools may suspend classes, and employers may adjust working hours or stop operations. Specific implementation standards are subject to announcements by the local government.
- Home Defense: Clear clutter from balconies in advance, and reinforce or remove items prone to falling; check the sealing of windows and doors, and apply tape in an asterisk pattern if necessary to prevent shattering; reserve at least 3 days' worth of drinking water, convenient food, and emergency lighting equipment (such as flashlights and power banks).
- Safety Behavior: During typhoon impacts, it is strictly prohibited to go to the seaside to watch waves, fish, or wade through water. Floodwaters may hide displaced manhole covers or exposed live wires; crises lurk beneath seemingly calm surfaces. Residents living in dilapidated houses or low-lying areas should actively cooperate with government arrangements for early evacuation.
- Post-Disaster Precautions: Do not rush to go out after the typhoon has passed; wait for the official lifting of warnings. When going out, avoid leaning trees, fallen power lines, and damaged buildings to guard against secondary disasters.
Keeping information channels open and obtaining the latest meteorological updates through authoritative sources is key to ensuring the safety of yourself and your family. Real-time typhoon tracks can be queried at TaifengSays (taifengshuo.com)
This article is original educational content from TyphoonSays. Please refer to the latest official announcements from local governments for policy standards.