Tropical Storm Siony entered the Philippine Area of Responsibility on Sunday just as Super Typhoon Rolly wreaked havoc in Bicol region and Southern Luzon.
Here are key facts about Siony based on weather bureau PAGASA's latest forecast.
Where is Siony?
Siony, as of 10 a.m. Tuesday, was seen at 565 km East of Basco, Batanes. In the next 24 hours, the storm is forecast to move slowly or almost stationary.
How strong is Siony?
Siony packs maximum sustained winds of 85 kph near the center and gusts of up to 105 kph. PAGASA says it could intensify into a severe tropical storm in the next 24 to 36 hours and might become a typhoon by Thursday.
Which areas will be affected?
Siony is likely to make landfall over the Batanes-Babuyan Islands area around Friday, according to PAGASA. Areas in the extreme northern Philippines will likely feel the impact of Siony.
On Tuesday, light to moderate rains due to the combined effects of the northeasterlies and the trough of Siony will bring light to moderate with at times heavy rains over Batanes, Apayao, Cagayan, and Isabela.
This article will be updated regularly for the latest on Tropical Storm Siony.
MORE ON DISASTER PREPAREDNESS: