At 08:23 on September 20, 2024, the meteorological observatory of Sansha City continued to issue the yellow warning signal of thunderstorm and gale in Nansha: thunderstorm and gale weather may occur from 08:30 on the 20th to 08:00 on the 21st on the sea surface of the the Nansha Islands and its vicinity within 0-150km. The wind force reaches level 7 to 9 with strong lightning. It is recommended that relevant units and personnel take precautions.
1. The government and relevant departments shall carry out wind and lightning protection work in accordance with their responsibilities; 2. Personnel should stay indoors with good wind resistance and close doors and windows; Outdoor personnel should hide in buildings or cars with lightning protection facilities; Do not shelter from rain under trees, poles, or tower cranes; Do not use umbrellas or carry farm tools on your shoulders in open spaces; 4. Cut off hazardous power sources, properly place outdoor items that are susceptible to strong winds, and cover building materials; 5. Airports, water transportation and other units should take measures to ensure traffic safety; 6. Water operations in relevant waters and the return of passing ships to port for shelter, and reinforcement of port facilities.
三沙市气象台2024年09月20日08时23分继续发布南沙雷雨大风黄色预警信号：南沙群岛及其附近0～150km范围的海面上20日08时30分到21日08时可能出现雷雨大风天气，风力达7～9级并伴有强雷电，建议有关单位和人员做好防范工作。
1.政府及相关部门按照职责做好防风防雷工作； 2.人员应当留在房屋抗风能力较好的室内，并关好门窗； 3.户外人员应当躲入有防雷设施的建筑物或者汽车内；不要在树下、电杆下、塔吊下避雨；在空旷场地不要打伞，不要把农具等扛在肩上； 4.切断危险电源，妥善安置易受大风影响的室外物品，遮盖建筑物资； 5.机场、水上交通等单位应当采取保障交通安全的措施； 6.相关水域水上作业和过往船舶回港避风，加固港口设施。
THE LOW PRESSURE AREA EAST OF EXTREME NORTHERN LUZON HAS DEVELOPED INTO TROPICAL DEPRESSION “IGME” Location of eye/center : The center of the eye was estimated based on all available data at 530 km East Northeast of Itbayat, Batanes (22.6, 126.6). Strength : Maximum winds of 55 kph near the centerand gustiness of up to 70 kph. Forecast movement : Forecast to move Northwestward at 15 kph Forecast position : Sep 21, 2024 02:00 AM - 610 km East Northeast of Itbayat, Batanes Sep 21, 2024 02:00 PM - 465 km North Northeast of Itbayat, Batanes Sep 22, 2024 02:00 AM - 465 km North of Itbayat, Batanes Sep 22, 2024 02:00 PM - 510 km North of Itbayat, Batanes (Outside PAR) Sep 23, 2024 02:00 AM - 605 km North of Itbayat, Batanes (Outside PAR) HAZARDS AFFECTING LAND AREAS Heavy Rainfall Refer to Weather Advisory No. 41 issued at 5:00 PM today for the heavy rainfall outlook due to the Southwest Monsoon and Tropical Depression IGME. Severe Winds The wind signals warn the public of the general wind threat over an area due to the tropical cyclone. Local winds may be slightly stronger/enhanced in coastal and upland/mountainous areas exposed to winds. Winds are less strong in areas sheltered from the prevailing wind direction. Minimal to minor impacts from strong winds are possible within any of the areas under Wind Signal No. 1. The Southwest Monsoon enhanced by IGME will also bring strong to gale-force gusts over the following areas (especially in coastal and upland areas exposed to winds): Today: Ilocos Region, Batanes, Babuyan Islands, Zambales, and Bataan. Tomorrow (21 September): Ilocos Region, Batanes, Babuyan Islands, Zambales, and Bataan. Sunday (22 September): Ilocos Region, Batanes, Babuyan Islands, and Zambales. 24-Hour Sea Condition Outlook Moderate to rough seas over the following coastal waters: 1.5 to 3.5 m: The seaboards of Northern and Central Luzon, and the western seaboard Southern Luzon. Mariners of small seacrafts, including all types of motorbancas, are advised not to venture out to sea under these conditions, especially if inexperienced or operating ill-equipped vessels. Up to moderate seas over the following coastal waters: Up to 2.0 m: The remaining seaboards of the country Mariners of motorbancas and similarly-sized vessels are advised to take precautionary measures while venturing out to sea and, if possible, avoid navigation under these conditions. TRACK AND INTENSITY OUTLOOK IGME is forecast to move generally west northwestward until Sunday morning (22 September) before turning north northeastward for the rest of the forecast period. On the forecast track, a landfall and passage over Taiwan area is not ruled out. IGME may exit the Philippine Area of Responsibility by Sunday. IGME is forecast to remain as a Tropical Depression and may gradually weaken into a Low Pressure Area by Monday (23 September) early morning.
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