SEVERE WEATHER BULLETIN #3
FOR: TROPICAL STORM "#SionyPH" (ATSANI)
TROPICAL CYCLONE: ALERT
ISSUED AT 11:00 AM, 02 November 2020
(Valid for broadcast until the next bulletin to be issued at 11 PM today)
"SIONY" MAINTAINS ITS STRENGTH AS IT ACCELERATES WEST-NORTHWESTWARD OVER THE PHILIPPINE SEA.
Track and intensity outlook:
• Track: The center of Tropical Storm “SIONY” is forecast to continue moving west-northwestward or northwestward today 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.
• Intensity: “SIONY” is likely remain within tropical storm category within the next 36 to 48 hours.
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.
Location of eye/center 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(18.1°N, 127.5°E).
Strength Maximum sustained winds of 65 km/h near the center and gustiness of up to 80 km/h.
Movement Moving West Northwestward at 40 km/h.
Forecast Positions
• 24 Hour (Tomorrow morning): 605 km East of Calayan, Cagayan (19.9°N, 127.2°E)
• 48 Hour (Wednesday morning):635 km East of Calayan, Cagayan (19.2°N, 127.5°E)
• 72 Hour (Thursday morning): 345 km East of Aparri, Cagayan (18.2°N, 124.9°E)
• 96 Hour (Friday morning):230 km West of Calayan, Cagayan (18.9°N, 119.3°E)
• 120 Hour (Saturday morning):710 km West of Calayan, Cagayan (OUTSIDE PAR) (19.5°N, 114.7°E)
NO TROPICAL CYCLONE WIND SIGNAL
The public and the disaster risk reduction and management council concerned are advised to take appropriate actions and watch for the next update to be incorporated in the 4 PM Public Weather Forecast and in the next Severe Weather Bulletin to be issued at 11 PM today.
@ PAGASA-DOST
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