Ding'an

Hainan - China

2025-10-04

Ding an County Meteorological Observatory issues orange warning for heavy fog

Issue date: 2025-10-04T03:55+08:00

The Ding an County Meteorological Observatory issued an orange warning signal for heavy fog at 03:55 on October 4, 2025: Due to the influence of easterly airflow, there may be fog with visibility less than 200 meters in our county from 04:00 to 08:00. It is recommended that the transportation department take preventive measures.

Description

Fog with a visibility of less than 200 meters may appear within 6 hours, or fog with a visibility of less than 200 meters and greater than or equal to 50 meters may have appeared and will continue.

Guidelines

1. Relevant departments and units should do anti-fog work according to their responsibilities;

2. Airports, highways, ferry terminals and other units strengthen dispatching and command;

3. Drivers must strictly control the traveling speed of vehicles and ships;

4. Reduce outdoor activities.

海南省气象局发布台风蓝色预警

Issue date: 2025-10-03T17:39+08:00

海南省气象局2025年10月03日18时00分继续发布台风四级预警（海上）：今年第21号台风“麦德姆”（强热带风暴级），17时其中心位于北纬17.1度、东经120.2度，也就是在海南省文昌市东南方向约1020公里的南海东部海面上，中心附近最大风力有10级（28米/秒），七级风圈半径200～250 公里，十级风圈半径50～60 公里。预计，“麦德姆”将以每小时25～30公里的速度向西偏北方向移动，并逐渐向海南岛东北部到广东西部一带沿海靠近，强度逐渐增强，最强可达强台风级（14～15级，42～48米/秒），5日白天将在文昌登陆或者近海擦过。受其影响，10月3日夜间到5日，南海中部和北部的大部分海域风力逐渐增大到11～13级、阵风14～15级；4日夜间～5日，海南岛东部海面、琼州海峡和北部湾北部海面风力11～13级、阵风14～15级；另外，4日夜间～5日，海南岛北半部地区有强风雨天气。请在南海中部、北部作业的海上平台和船只需迅速做好避风准备，海南岛北半部市县需立即做好台风防御工作，及时转移危险区域人员，做好旅游、交通等管理调度。

Description

Within 24 hours may be or has been affected by a tropical cyclone, coastal or land average wind force is 6 or more, or gust can reach 8 or more and may persist.

Guidelines

1. The government and relevant departments shall make preparations for typhoon prevention in accordance with their duties;

2. Stop outdoor group activities and high-altitude outdoor dangerous operations;

3. Water operations in relevant waters and passing ships take active countermeasures, such as returning to the port to avoid wind or sailing in a detour, etc.;

4. Reinforce doors and windows, enclosures, scaffolds, billboards and other structures that are easily blown by the wind, and cut off dangerous outdoor power sources.