MANILA, Dec. 9 — “Ruby” weakens into tropical depression, with 8 areas under signal #1. Tropical storm “Ruby” has weakened into a tropical depression as it made another landfall in Lubang island, the state weather agency PAGASA on Tuesday said.
Weather forecaster Glaiza Escullar said that Ruby has weakened into a tropical depression category due to friction or interaction with landmass and also the presence of the northeast monsoon.
She explained that a typhoon needs warm and humid air to be sustained but because of the cold air coming from the northeast monsoon, its strength could decrease.
Escullar said that as of 5 a.m. tropical depression Ruby was located at the vicinity of Lubang Islang (13.6°N, 120.4°E) packed with maximum sustained winds of 60 kph near the center. It is forecast to move west at 13 kph
Still Metro Manila, Bataan, Cavite, Laguna, Batangas, Oriental Mindoro, Occidental Mindoro and Lubang island are under public storm warning signal #1. For Tuesday forecast, PAGASA said these areas will have rains with gusty winds with moderate to rough seas.
Ruby is forecast to be at 375 km west of Ambulong, Tanauan City, Batangas or at 385 km west of Calapan City, Oriental Mindoro by Wednesday morning and is expected to exit the Philippine area of responsibility on Wednesday evening.
Ruby may be downgraded into a low pressure area while exiting the PAR. By Thursday morning, it is expected to be at 700 km west of Calapan City, Oriental Mindoro or outside the PAR.
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