Tropical Depression DOKSURI (MARING) Update Number 004

Tropical Depression DOKSURI (MARING) Update Number 004

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TROPICAL DEPRESSION DOKSURI (MARING) UPDATE NUMBER 004

Issued at: 1:00 AM PhT (17:00 GMT) Wednesday 13 September 2017
Next update: 7:00 AM PhT (23:00 GMT) Wednesday, 13 September 2017
Current Status and Outlook

Tropical Depression 21W (MARING) has strengthened slightly upon emerging swiftly over the West Philippine Sea…now with a global name: DOKSURI ~ a Korean word for Eagle. Its rainbands has started to move away from Luzon.

This depression is expected to move slowly, westward across the West Philippine Sea for the next 24 hours.  DOKSURI (MARING) is likely to become a Tropical Storm (TS) later today.

*TD DOKSURI (MARING) and the enhanced Southwesterly Windflow will bring on-and-off light to moderate rain showers and thunderstorms across the western sections of Central and Southern Luzon, MiMaRoPa, and Western Visayas. Residents are advised to take precautionary measures and be on full alert against flash floods, landslides and swollen river banks.

Where is DOKSURI (MARING)? As of 11:00 PM PhT, September 12…1500 GMT.  The center was located over the West Philippine Sea (near 14.7N 118.9E), about 150 km west of Olongapo City, Zambales or 188 km west-southwest of Angeles City, Pampanga.
How strong is it?

Maximum Sustained Winds (10-min avg): 55 kph near the center…Gustiness: 75 kph.

*At 5:00pm Sept 12, wind gusts of 67 km/hr blowing from the Southeast was reported at the WPF Automated Weather Station (AWS) in  San Fernando City, Pampanga (ID #980358).

Past Movement (06 hrs) It was moving West-Southwest @ 27 kph, towards West Philippine Sea
Potential Philippine Landfall Area(s) :: None.
What Philippine areas will be most affected? Heavy to Extreme Rains (50 to more than 100 mm expected in 24 hours):
>> Calamian Group of Islands, Western Coast of Occidental Mindoro, Western Zambales – Today.


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

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

WEDNESDAY EVENING: Becomes a Tropical Storm (TS) as it moves Westward south of Scarborough Shoal…about 407 km west-southwest of Alaminos City, Pangasinan [8PM Sept 13: 14.7N 116.5E @ 85kph].  Confidence Level:  MEDIUM.

THURSDAY EVENING: Already outside of the Philippine Area of Responcsibility (PAR) or over the South China Sea, as it  strengthens into a Severe Tropical Storm (STS)…about 729 km south-southwest of Hong Kong, China [8PM Sept 14: 16.0N 112.6E @ 110kph].  Confidence LevelMEDIUM.

**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 550 mm [Light to Extreme]

> Minimum Central Pressure: 1000 millibars (hPa)

> Size of Circulation [Convective Cloud-Based, in diameter]: 515 km (Small)

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

Additional Distances Time/Date: 11:00 PM PhT Tue September 12, 2017
Location of Center/Eye: Near 14.7º N Lat 118.9º E Lon
Distance 1: 193 km WSW of San Fernando City, Pampanga
Distance 2: 202 km SW of San Carlos City, Pangasinan
Distance 3: 207 km W of Malolos City, Bulacan
Distance 4: 216 km WNW of Trece Martires City, Cavite
Distance 5: 233 km W 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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