SEVERE WEATHER BULLETIN #2
FOR: TROPICAL STORM "#SionyPH" (ATSANI)
TROPICAL CYCLONE: ALERT
ISSUED AT 11:00 PM, 01 November 2020
(Valid for broadcast until the next bulletin to be issued at 11 AM tomorrow)
"#SionyPH" SLIGHTLY WEAKENS BUT REMAINS WITHIN TROPICAL STORM CATEGORY OVER THE PHILIPPINE SEA.
Track and intensity outlook:
• Track: The center of Tropical Storm “SIONY” is forecast to continue moving west-northwestward tonight through tomorrow evening before slows down significantly and becomes almost stationary tomorrow evening through Tuesday evening. 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. It may intensify to severe tropical storm category during the period when it becomes almost stationary on Tuesday.
Hazards affecting land areas and coastal waters:
“SIONY” remains less likely to directly affect the weather and coastal water conditions in the country over the next 2 to 3 days. However, the public and disaster managers, especially those situated in Northern Luzon, are advised to continue monitoring for updates on this tropical cyclone.
Location of eye/center: At 10:00 PM today, the center of Tropical Storm "SIONY" was estimated based on all available data at 990 km East of Northern Luzon (17.0°N, 131.0°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 30 km/h.
Forecast Positions:
• 24 Hour (Tomorrow evening): 770 km East of Aparri, Cagayan (18.9°N, 128.9°E)
• 48 Hour (Tuesday evening):780 km East of Aparri, Cagayan (18.6°N, 129.0°E)
• 72 Hour (Wednesday evening): 415 km East of Aparri, Cagayan (17.7°N, 125.5°E)
• 96 Hour (Thursday evening):85 km West Northwest of Laoag City, Ilocos Norte (18.4°N, 119.8°E)
• 120 Hour (Friday evening):670 km West of Calayan, Cagayan (OUTSIDE PAR) (19.7°N, 115.1°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 AM Public Weather Forecast and in the next Severe Weather Bulletin to be issued at 11 AM tomorrow.
Link: bagong.pagasa.dost.gov.ph/tropical-cyclone/severe-weather-bulletin/2
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