Tuesday, October 20, 2015

Tropical Storm KOPPU (LANDO) Update Number 020


Tropical Storm KOPPU (LANDO) Update Number 020



Issued at: 1:00 PM PhT (05:00 GMT) Tuesday 20 October 2015
Next Update: Tuesday Evening, 20 October 2015

Tropical Storm (TS) KOPPU [LANDO] has remained almost stationary for the past six hours as it further loses strength...right off the northwestern coast of Ilocos Norte. Rains and gusty winds will continue to be experienced across the northwestern section of Northern Luzon especially Ilocos Norte.

Residents and visitors along Northern Luzon and Taiwan should closely monitor the development of TS KOPPU (LANDO).

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.


Below are the regions or places in the Philippines that could be directly affected or that are being directly affected by the hazards generated by this current tropical cyclone.


  • Heavy Rains (50 mm to 100 mm): Ilocos Sur, Abra and Ilocos Norte - Today through Wednesday morning (Oct 21).
  • Moderate to Heavy Rains (30 mm to 50 mm): La Union, Western Benguet, Westernmost part of Mt. Province, Western Kalinga, Western Apayao and Northwesternmost part of Cagayan - Today through Wednesday morning (Oct 21).

  • Tropical Storm Force Winds (Gusts of 75-100 kph): Coastal areas of Ilocos Norte - Today until late this evening (Oct 20).


As of 11:00 AM PhT today, October 20...0300 GMT.

Classification/Name: TS KOPPU (LANDO)
Location: Off the northwestern shores of Ilocos Norte...(near 18.8N 120.4E)
About: 70 km north-northwest of Laoag City, Ilocos Norte...or 54 km west-northwest of Pagudpud, Ilocos Norte
Maximum Sustained Winds (10-min avg): 85 kph near the center...Gustiness: 110 kph
24 hr. Rain Accumulation (southwest of the center): 50 to 300 mm [Moderate to Extreme]
Minimum Central Pressure: 985 millibars (hPa)
Size of Circulation [Convective Cloud-Based, in diameter]: 565 km (Small)
Area of Damaging Winds (100 kph or more wind gusts): None
Past Movement: Almost Stationary
Forecast Movement: Northeast @ 04 kph
Towards: Babuyan-Balintang Channel


TS KOPPU (LANDO) is expected to move northeastward with a slow speed throughout the outlook period. On the forecast track, KOPPU (LANDO) shall traverse the Babuyan-Balintang Channel today through Thursday (Oct 22).

TS KOPPU (LANDO) is forecast to weaken further after the next 24 hours. The Advance Intensity Forecast (AIF) shows its 10-minute maximum sustained winds weakening to 75 kph on Thursday morning (Oct 22).

The following is the 3-day forecast outlook summary* for this system:

WEDNESDAY MORNING: Maintains its strength as it turns northeast with slow speed towards Babuyan-Balintang Channel...about 43 km southwest of Calayan, Cagayan [8AM OCT 21: 19.2N 121.1E @ 85kph]. Confidence Level: MEDIUM.
THURSDAY MORNING: Weakens as it continues to track northeastward slowly across the central part of the Balintang Channel...about 89 km south of Basco, Batanes [8AM OCT 22: 19.7N 122.0E @ 75kph]. Confidence Level: LOW.
FRIDAY MORNING: Bears the same strength and turns north-northeast...traversing the Batanes Group of Islands towards Bashi Channel...about 106 km northeast of Itbayat, Batanes [8AM OCT 23: 21.5N 122.5E @ 75kph]. Confidence Level: LOW.

*Important Note: Please be reminded that the Forecast Outlook changes every 6 hours, and the Day 2 and 3 Forecast Track has an average error of 100 and 250 km respectively...while the wind speed forecast error, averages 35 kph 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.


Time/Date: 11:00 AM PhT Tue Oct 20, 2015
Location of Center: Near 18.8º N Lat 120.4º E Lon
Distance 1: 133 km N of Vigan City, Ilocos Sur
Distance 2: 245 km N of San Fernando City, La Union
Distance 3: 128 km WSW of Calayan Is., Cagayan
Distance 4: 253 km SSW of Basco, Batanes
Distance 5: 482 km NNW of Metro Manila

Issued by: Leonilo C. Millanes for Weather.com.ph


Posted by: "Typhoon2000.com (Michael V. Padua)" <T2Kstormupdates@gmail.com>
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