The Joint Typhoon Warning Center (JTWC) said on December 30 that a low pressure area in the western Sulu Sea near the eastern coast of Palawan (Philippines) continued to produce unorganized showers and thunderstorms.
Upper-level winds are favorable for development and a tropical depression may still form on December 31 as the depression moves northwest into the South China Sea, then turns sharply southwest.
By New Year's Day, January 1, environmental conditions will become extremely unfavorable for further development of the low pressure.
The weather bulletin of the Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA) said that on December 30, the shear line affects the eastern parts of Central and Southern Luzon. The Intertropical Convergence Zone affects Palawan, Visayas and Mindanao. The Northeast Monsoon affects Northern Luzon and the rest of Central Luzon.
Flash floods or landslides may occur due to moderate to heavy rains in Cagayan, Isabela, Aurora, Quezon, Rizal, Laguna, Oriental Mindoro, Marinduque, Camarines Norte, Camarines Sur and Catanduanes
Flash floods or landslides may occur due to moderate to heavy rains in Visayas, Zamboanga Peninsula, rest of MIMAROPA, rest of Bicol, Caraga, Davao Oriental, Misamis Occidental, Misamis Oriental, Lanao del Norte and Lanao del Sur.
Meanwhile, according to the Vietnam National Center for Hydro-Meteorological Forecasting, on December 30, in the central and southern East Sea (including the Truong Sa archipelago), there will be scattered showers and thunderstorms. During thunderstorms, there is a possibility of tornadoes and strong gusts of wind.
On the night of December 30 and December 31, the North East Sea area (including the Hoang Sa archipelago), the sea area from Binh Dinh to Ca Mau, the sea area west of the central and southern East Sea area (including the sea area west of Truong Sa archipelago) will have strong northeast winds of level 6, gusting to level 7-8. Rough seas. Waves 2-5m high.
Disaster risk level due to strong winds at sea: level 2.
All vessels operating in the above areas are at high risk of being affected by cyclones, strong winds and large waves.
