Tropical Storm SIONY (ATSANI) Advisory No. 03

Tropical Storm SIONY (ATSANI) Advisory No. 03

TROPICAL STORM SIONY (ATSANI) ADVISORY NO. 03 Issued at: 1:00 AM PhT (17:00 GMT) Wednesday, 04 November 2020 Next update: 1:00 PM PhT (05:00 GMT) Wednesday, 04 November 2020
Current Status & Outlook	Tropical Storm SIONY (ATSANI) continues to remain quasi-stationary over the North Philippine Sea. Its  potential threat to Extreme Northern Luzon likely with high uncertainty. 24-hr Outlook: TS SIONY (ATSANI) is forecast to move very slowly on a clockwise track, and shall intensify slowly while over the North Philippine Sea.
Where is SIONY (ATSANI)?	As of 11:00 PM PhT today, November 03…1500 GMT: Location of Center/Eye: Over the southern  part of North Philippine Sea  (near 20.0°N 128.9°E) Distance 1: 721 km east of Basco, Batanes Distance 2: 728 km east-northeast of Santa Ana, Cagayan Distance 3: 784 km east-northeast of Aparri, Cagayan
How strong is it?	Maximum Sustained Winds (1-min avg): 65 kph near the center…Gustiness: 85 kph.
Past Movement (06 hrs)	East-Northeast @ 09 kph, towards North Philippine Sea
Potential Philippine Landfall Area(s)	None
What Philippine areas will be directly affected?	Heavy to Extreme Rainfall (50 mm to >100 mm expected for 24 hrs): None Damaging Winds (gusts of more than 100 km/hr expected): None
Potential Storm Surge/Coastal Flooding Areas+	None +Waves of 3 meters in height is expected in storm surge-prone areas, particularly in coastal areas on where the Tropical Cyclone is headed. Kindly visit the PAGASA Storm Surge Updates  for more details.
3-Day Forecast Outlook Summary**	WEDNESDAY EVENING: Starts to track SW to Westward…about 632 km E of Santa Ana, Cagayan [8PM Nov 04: 19.3°N 128.1°E @ 75 kph].  Confidence Level: HIGH THURSDAY EVENING: Continues to intensify while moving very slowly southward over the North Philippine Sea…about 153 km ENE of Santa Ana, Cagayan [8PM Nov 05: 19.2°N 123.4°E @ 95 kph].  Confidence Level: HIGH FRIDAY EVENING: Intensifies at near-Typhoon strength as it passes over the Balintang Channel…about 99 km WSW of Basco, Batanes  [8PM Nov 06: 20.2°N 117.8°E @ 100 kph].  Confidence Level: LOW **Important Note: Please be reminded that the Forecast Outlook changes every 6 hours, and the Day 2 and 3 Forecast Track have an average error of 100 and 250 km respectively… while the wind speed forecast error, averages 35 km/hr per day. Therefore, a turn to the left or right of its future track and changes in its wind speed must be anticipated from time to time.
Other Storm's Meteorological Information	24-hr. Rain Accumulation (across its circulation): 25 to 400 mm [Light to Extreme] Minimum Central Pressure: 998 millibars (hPa) Size of Rain Circulation (in Diameter): Small (420 km) Size of Wind Circulation (55-kph Wind Diameter): Small (390 km) Area of Damaging Winds (100 kph or more wind gusts): — km from the center
Information based on data collected by Typhoon2000 (T2k) shall not be taken as official data. Weather information broadcasted and distributed by PAGASA remains as official data. Typhoon2000 (T2k) shall not be responsible for the private use and reliance of its weather information.

Issued by: David Michael V. Padua for Typhoon2000 (T2K)

PAGASA TROPICAL CYCLONE WIND SIGNALS
:: NONE ::

Image/Screenshot Source: DOST-PAGASA (http://pubfiles.pagasa.dost.gov.ph/tamss/weather/signals.jpg)

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