Typhoon 'Nina' weakens into tropical storm –PAGASA

October 16, 2012 10:52 pm 

MANILA, Oct. 16 — Typhoon "Nina" weakened into a tropical storm as it continued to linger over the Philippine sea on Tuesday, the state weather bureau said.

The Philippine Atmospheric, Geophysical and Astronomical Services Administration said that as of 10 a.m. Tuesday, tropical storm "Nina" was located at 740 kilometers northeast of Itbayat, Batanes (22.0 N, 130.0°E) and was forecast to move northwest slowly.

PAGASA said that Nina's wind strength decreased further from 120 kilometers per hour to 110 kph while its gustiness also fell from 150 kph to 140 kph.

Weather forecaster Nikos Peñaranda said the presence of a ridge of high pressure area (HPA) near China and vertical wind shear or different directions of winds blowing into the country due to the transition of southwest monsoon (habagat) to northeast monsoon (amihan) were the reasons for Nina's slowing down and weakening.

Peñaranda said with Nina's slow movement, it is expected to exit the Philippine area of responsibility (PAR) Wednesday afternoon or Thursday dawn on its way to Japan.

PAGASA said that tropical storm Nina is expected to be at 650 km northeast of Itbayat, Batanes by Wednesday morning.

By Thursday morning, it will be at 670 km northeast of Itbayat, Batanes and at 190 km southeast of Okinawa, Japan by Friday morning.

The weather agency said that estimated rainfall amount is from 10 to 20 millimeters per hour (heavy to intense) within the 600-km diameter of the tropical storm.

Fishing boats and other small seacraft are advised not to venture out into the northern seaboard of Northern Luzon and the eastern seaboard of Northern and Central Luzon due to big waves generated by storm Nina. (PNA)

SCS/CLTC

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