Tropical Disturbance (LPA) [Ex-TD USMAN] Final Update





Issued at: 7:30 AM PhT (23:30 GMT) Sunday, 30 December 2018
Current Status and Outlook

Tropical Depression 35W (USMAN) has weakened considerably into a Tropical Disturbance (LPA) and was pushed southward by the strong cold surge of the Northeast Monsoon (Amihan), thereby relocating the center over the Southern Sulu Sea. Some relocation of its two previous position has also been made to adjuct to this new position.

Due to its downgrading of this system, this is now the Final Update on this system.

Meanwhile, this LPA will continue to enhance the Strong surge of the Northeast Monsoon (Amihan) and bring cloudy, cooler and windy conditions with occasional rain showers and some thunderstorms across Luzon, becoming more frequent along CaLaBaRZon and MiMaRoPa.

Where is the LPA (Ex-TD USMAN)? As of 5:00 AM PhT today, December 30…2100 GMT. The center was relocated over  the southern part of Sulu Sea (near 8.5°N 120.2°E), about 48 km southeast of Tubbataha Reefs or 262 km east of Brooke’s Point, Palawan.
How strong is it?

Maximum Sustained Winds (10-min avg): 35 kph near the center…Gustiness: 50 kph.

Past Movement (06 hrs) Southwest @ 28 kph
Potential Philippine Landfall Area(s) ::  None.
What Philippine areas will be directly affected? Heavy to Extreme Rains (50 to more than 100 mm expected):
>> None

Damaging Winds (gusts of more than 100 km/hr expected):
>> None.

Potential Storm Surge/Coastal Flooding Areas+ :: None.

+Waves of 3 meters in height is expected in storm surge-prone areas, particularly in coastal areas on where the Tropical Cyclone is headedKindly visit the PAGASA Storm Surge Updates  for more details.

3-Day Forecast Outlook Summary**

:: None.

**Important Note: Please be reminded that the Forecast Outlook changes every 6 hours, and the Day 2 and 3 Forecast Tracks have an average error of 100 and 250 km respectively… while the wind speed forecast error, averages 35 km/have per day. Therefore, a turn to the left or right of its future track and changes in its wind speed must be anticipated from time to time.

Other Storm Info > 24 hr. Rain Accumulation (across its circulation): 25 to 75 mm [Light to Heavy]

> Minimum Central Pressure: 1004 millibars (hPa)

> Size of Circulation [Convective Cloud-Based, in diameter]: 300 km (Very Small/Midget)

> Area of Damaging Winds (100 kph or more wind gusts): None.

Additional Information Time/Date: 5:00 AM PhT Sun December 30, 2018
Location of Center/Eye: Near 8.5°N Lat 120.2°E Lon
Distance 1: 225 km SE of Puerto Princesa City, Palawan
Distance 2: 272 km NW of Zamboanga City
Distance 3: 680 km S of Metro Manila

Information based on data collected by WeatherPhilippines Foundation, Inc. shall not be taken as official data. Weather information broadcasted and distributed by PAGASA remains as official data. WeatherPhilippines shall not be responsible for the private use and reliance of its weather information.

Issued by: David Michael V. Padua for WeatherPhilippines

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