'Bagyong Siony' PAGASA weather update November 2, 2020

MANILA, Philippines – 'Bagyong Siony' (Atsani) maintains its strength as it accelerates west-northwestward over the Philippine Sea, state weather bureau PAGASA announced in its 11:00 am bulletin on Monday, November 2, 2020.

'Bagyong Siony' PAGASA weather update November 2, 2020
Satellite image of Tropical Storm 'Siony' (Atsani) as of 11:00 am, November 2, 2020. PAGASA

'Siony' is likely remain within tropical storm category within the next 36 to 48 hours, PAGASA said.

SEE ALSO: 'Bagyong Siony' PAGASA weather update November 3, 2020

At 10:00 am today, the center of Tropical Storm 'Siony' was estimated based on all available data at 620 km East of Aparri, Cagayan.

'Bagyong Siony' has maximum sustained winds of 65 km/h near the center and gustiness of up to 80 km/h. It is moving West Northwestward at 40 km/h.

Forecast Positions
  • 24 Hour (Tomorrow morning): 605 km East of Calayan, Cagayan
  • 48 Hour (Wednesday morning):635 km East of Calayan, Cagayan
  • 72 Hour (Thursday morning): 345 km East of Aparri, Cagayan
  • 96 Hour (Friday morning):230 km West of Calayan, Cagayan
  • 120 Hour (Saturday morning):710 km West of Calayan, Cagayan (OUTSIDE PAR)

'Bagyong Siony' PAGASA weather update November 2, 2020

as of press time.

Track and intensity outlook

Track: The center of TS 'Siony' is forecast to continue moving west-northwestward or northwestward today through tonight before it slows down significantly and becomes almost stationary tomorrow morning through Wednesday morning.

Afterwards, 'Siony' will begin tracking west-southwestward or westward towards Extreme Northern Luzon.

Due to the projected erratic movement of this system in the next 48 hours, there is high degree of uncertainty in the forecast track.

Hazards affecting land areas and coastal waters

Today, the trough of tropical storm 'Siony' will bring light to moderate with at times heavy rains over Batanes, Cagayan, and Isabela.

Flooding (including flashfloods) and rain-induced landslides may occur during heavy or prolonged rainfall especially in areas that are highly or very highly susceptible to these hazards.

PAGASA Regional Services Divisions may issue local thunderstorm/rainfall advisories and heavy rainfall warnings as appropriate.

'Bagyong Siony' is the Philippines' 19th tropical cyclone for 2020.

On average, there are 20 tropical cyclones that could form or enter the PAR each year. Only half of those are projected to make landfall.

PAGASA declared the onset of rainy season on June 12.

— The Summit Express

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