"SIONY" SLIGHTLY INTENSIFIES AS IT MOVES SLOWLY OVER THE PHILIPPINE SEA EAST OF EXTREME NORTHERN LUZON.
Track and intensity outlook:
Track: "SIONY" is forecast to move slowly or almost stationary in the next 24 hours. Afterwards, the tropical storm will move generally westward towards Extreme Northern Luzon. A landfall scenario over Batanes-Babuyan Islands area around Friday remains likely. However, due to the projected quasi-stationary state of this tropical storm, there remains a high degree of uncertainty in the forecast track.
Intensity: "SIONY" is forecast to intensify into severe tropical storm in the next 24 to 36 hours. Intensification into Typhoon is likely on Thursday prior to close approach or landfall over Extreme Northern Luzon.
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