Tropical Disturbance (LPA) 97W StormWatch No. 01




Issued at: 7:00 PM PhT (11:00 GMT) Tuesday 20 August 2019
Next update: 7:00 PM PhT (11:00 GMT), Wednesday 21 August 2019
Current Status and Outlook The Tropical Disturbance (LPA) 97W which is barely moving over the eastern part of the Philippine Sea is likely to develop into a Tropical Cyclone within the next 12 to 24 hours. This system is still far to directly affect any part of the Philippines within the next three days. However, various forecast models show a possible track either towards Batanes, Taiwan or Okinawa this coming weekend.

LPA 97W together with the Monsoon Trough will bring isolated to scattered rain showers and thunderstorms across the Bicol Region and Eastern Visayas today.

Where is LPA 97W? As of 5:00 PM PhT today, August 20…0900 GMT. The center was located over the eastern part of the Central Philippine Sea [near 13.9°N 133.2°E], about 974 km east of Virac, Catanduanes or 1,318 km east of Metro Manila
How strong is it? Maximum Sustained Winds (10-min avg): 35 kph near the center, with gustiness: 55 kph.
Past Movement (06 hrs) Quasi-Stationary over the Eastern Part of the Central Philippine Sea.
Forecast Highlights
  • The 3-Day Forecast (Aug 21-23) shows LPA 97W intensifying into a Tropical Depression (TD) within the next 12 to 24 hours, and becoming a Tropical Storm (TS) on Thursday (Aug 22), as it tracks generally northwestward towards Taiwan, with high uncertainty at this time. Forecast confidence is currently LOW (<35% chance).
  • The presence of this potential Tropical Cyclone and the Monsoon Trough will slightly enhance the Southwest Monsoon (Habagat) and could bring isolated to scattered rain showers and thunderstorms across the western sections of Luzon and Visayas including Metro Manila on or before the weekend. Please be advised that severe thunderstorms may also occur across these areas which could cause flash floods and landslides. Precautionary measures must be implemented during the occurrence of this monsoon system.
  • It will be named locally by PAGASA as “INENG” once they upgraded it into a Tropical Cyclone.
  • The next StormWatch Update will be issued after 24 hours or earlier.

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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