There’s a new tropical storm in the Philippine area of responsibility and its name is Marce.

The country’s 13th tropical cyclone this year entered PAR at 2 a.m. Monday. It has yet to affect any part of the country yet and no wind signals are currently hoisted.

Marce, with the international name Yinxing, was located 935 km east of Eastern Visayas at 4 a.m. It was packing maximum sustained winds of 65 kilometers per hour and up to 80 kph gusts.

The storm will continuously intensify while moving generally northwestward over the Philippine Sea and reach typhoon strength by Wednesday.

Wind signals may be hoisted over portions of Cagayan Valley beginning Tuesday, with Signal No. 4 the highest possible wind warning to be raised during the Marce’s passage.

Marce will enhance the surge of northeasterly winds and, along the storm’s trough, bringing rains over Extreme Northern Luzon and the eastern section of Luzon from Tuesday. Rough to high seas will also be expected in northern Luzon, especially as the disturbance moves closer.

From Wednesday afternoon through Saturday, the forecast has high uncertainty, according to PAGASA. 

Two scenarios could play out: Marce could cross extreme or mainland Northern Luzon or it could move erratically east of Luzon's northern tip before recurving.

The high pressure area north steering the storm may also intensify, which could result to a downward shift in the forecast track and lead to a landfall over mainland Cagayan Valley instead of Babuyan Islands by weekend.