TROPICAL STORM SIONY (ATSANI) ADVISORY NO. 09 [FINAL]Issued at: 10:00 PM PhT (14:00 GMT) Friday, 06 November 2020
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| Current Status & Outlook | Tropical Storm SIONY (ATSANI) is now moving out of the Philippine Area of Responsibility (PAR) after passing very close to Itbayat in the Batanes Group of Islands this morning.
*This is the Final Advisory on this Tropical Cyclone. 24-hr Outlook: TS SIONY (ATSANI) is forecast to turn west to west-southwestward at a forward speed of 15 km/hr through tomorrow evening. It shall weaken rapidly into a minimal Tropical Storm and eventually into a decaying Tropical Depression beyond 24 hours as it collides with an approaching strong, cold surge of the Northeast Monsoon (Amihan). |
| Where is SIONY (ATSANI)? | As of 8:00 PM PhT today, November 06…1200 GMT:
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| How strong is it? | Maximum Sustained Winds (1-min avg): 85 kph near the center…Gustiness: 100 kph. |
| Past Movement (06 hrs) | West-northwest @ 14 kph, towards the South China Sea |
| Potential Philippine Landfall Area(s) |
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| What Philippine areas will be directly affected? | Heavy to Extreme Rainfall (50 mm to >100 mm expected for 24 hrs):
Damaging Winds (gusts of more than 100 km/hr expected):
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| Potential Storm Surge/Coastal Flooding Areas+ |
+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. |
| 1-Day Forecast Outlook Summary** |
**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 |
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| 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 SIGNAL
Image/Screenshot Source: DOST-PAGASA (http://pubfiles.pagasa.dost.
