Tropical Storm KHANUN (ODETTE) Update Number 006

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TROPICAL STORM KHANUN (ODETTE) UPDATE NO. 006

Issued at: 12:30 PM PhT (04:30 GMT) Friday 13 October 2017
Next update: 7:00 PM PhT (11:00 GMT) Friday, 13 October 2017
Current Status and Outlook

Tropical Storm KHANUN (ODETTE) is now emerging along the coast of Vigan, Ilocos Sur after traversing Abra and Ilocos Provinces this morning. The storm has moved west-southwestward during the past 6 hours.  Its broad rainbands continues to bring rains and gusty winds across Northern Luzon and some portions of Central Luzon.

This storm is expected to intensify into a Severe Tropical Storm (STS) and move westward within the next 24 hours at a decreased forward speed of 13 km/hr.  It will eventually move out of the Philippine Area of Responsibility (PAR) by tomorrow morning (Oct 14). 

*Residents within the circulation of this tropical cyclone are advised to take precautionary measures and be on full alert against flash floods, landslides and swollen river banks.

Where is KHANUN (ODETTE)? As of 11:00 AM PhT, October 13…0300 GMT.  The center was located along the West Philippine Sea (near 17.8N 119.9E), about 58 km west-northwest of Vigan City, Ilocos Sur or 131 km southwest of Pagudpud, Ilocos Norte
How strong is it?

Maximum Sustained Winds (10-min avg): 65 kph near the center…Gustiness: 85 kph.

*At 11:40am this morning, the WPF Automated Weather Station (AWS) in Luna, La Union (980754) has reported wind gusts of 70 km/hr blowing from the South.

Past Movement (06 hrs) It was moving West-Southwest @ 29 kph, towards West Philippine Sea.
Potential Philippine Landfall Area(s) :: None.
What Philippine areas will be most affected? Moderate to Heavy Rains (30 to 100 mm expected):
>> Extreme Northern and Northern Luzon – Today through Friday evening (Oct 13).


Damaging Winds (gusts of more than 100 km/hr expected):
>> None.

Potential Storm Surge/Coastal Flooding Areas+ :: None.
2-Day Forecast Outlook Summary**

SATURDAY MORNING: Intensifies into a Severe Tropical Storm (STS) as it moves westward across the West Philippine Sea, about to exit the Philippine Area of Responsibility (PAR)…about 318 km west-northwest of Alaminos City, Pangasinan [8AM Oct 14: 17.4N 117.3E @ 100kph].  Confidence Level: MEDIUM.

SUNDAY MORNING: Already outside PAR, or over the South China Sea…becomes a Category 1 Typhoon (TY) as it moves WNW towards Southern China…about 412 km south of Hong Kong, China [8AM Oct 15: 18.7N 113.9E @ 130kph].  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/have 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 Info > 24 hr. Rain Accumulation (across its circulation): 25 to 330 mm [Light to Extreme]

> Minimum Central Pressure: 996 millibars (hPa)

> Tropical Cyclone Size (in diameter): 755 km (Medium)

> Area of Damaging Winds (100 kph or more wind gusts): None.

Additional Distances Time/Date: 11:00 AM PhT Fri October 13, 2017
Location of Center/Eye: Near 17.8º N Lat 119.9º E Lon
Distance 1: 169 km WNW of Tabuk, Kalinga
Distance 2: 184 km N of Alaminos City, Pangasinan
Distance 3: 195 km W of Tuguegarao City, Cagayan
Distance 4: 213 km NW of Santiago City, Isabela
Distance 5: 379 km NNW of Metro Manila

Information based on data collected by WeatherPhilippines Foundation, Inc. shall not be taken as official data. Weather information broadcasted and distributed by PAGASA remains as official data. WeatherPhilippines shall not be responsible for the private use and reliance of its weather information.

Issued by: David Michael V. Padua for WeatherPhilippines

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