A new tropical disturbance has formed south of Guam. The Naval Resources Laboratory (NRL-USA) has tagged the system as INVEST 99W.
The Japan Meteorogical Agency (JMA) and Taiwan's Central Weather Bureau (CWB) has upgraded INVEST 99W as a minor Tropical Depression in their morning bulletins.
Currently, INVEST 99W is located at 7.0N 143.8E, about 730 km South-Southeast of Guam or 685 km East-Southeast of Yap Island. The system has winds of 20-25 kts (35-45 kph) based on Japan Meteorogical Agency (JMA) estimates. INVEST 99W is currently quasi-stationary.
Based on available computer models, they unanimously agree that INVEST 99W will become a Tropical Cyclone and is forecast to track to a West-Northwest or Northwesterly direction towards Taiwan early or mid next week.
INVEST 99W is currently not forecast to directly affect the Philippines, but could enhance Southwest Monsoonal flow next week.
ManilaTC gives INVEST 99W, based on current data, a MEDIUM CHANCE of developing into a Tropical Cyclone at 53% within the next 24 hours.
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