Sunday, September 25, 2016

Typhoon MEGI (HELEN) Update Number 004


Typhoon MEGI (HELEN) Update Number 004

Issued at: 6:45 PM PhT (10:45 GMT) Sunday 25 September 2016
Next Update: Monday Early Morning, 26 September 2016


Current Status and Outlook

Typhoon MEGI (HELEN) gaining strength still, as it moves across the warm North Philippine Sea in the general direction of Batanes-Taiwan Area.  Its outer rainbands is likely to spread across the eastern sections of Extreme Northern Luzon tomorrow.

This typhoon is forecast to slightly slow down West-Northwestward within the next 24 hours at a speed of 21 km/hr.  MEGI (HELEN) will continue to gain strength until Tuesday morning (Sept 27).

Where is Malakas (Gener)?

As of 5:00 PM PhT today, September 25...0900 GMT. The cloud-filled eye was located over the mid-southern part of the North Philippine Sea (near 20.1N 129.6E),about 794 km east-southeast of Basco, Batanes or 797 km east-northeast of Santa Ana, Cagayan. 

How strong is it?

Maximum Sustained Winds (10-min avg): 165 kph near the center...Gustiness: 200 kph

Where is it heading?

It was moving West-Northwest @ 23 kph, towards the mid-western part of the North Philippine Sea.

What Philippine areas will be most affected?*

*Where Damaging Winds of >100 km/hr will be expected.

None for the next 12 to 18 hours.




Storm Surge Info


3-Day Forecast Outlook Summary**

MONDAY AFTERNOON: Moving across the mid-western part of the North Philippine Sea as it continues to intensify....about 362 km east-northeast of Basco, Batanes[2PM SEP 26: 21.2N 125.4E @ 180kph]. Confidence Level:  HIGH.

TUESDAY AFTERNOON: Crossing Southern Taiwan as it rapidly weakens…about 39 km northeast of Kaohsiung City, Taiwan [2PM SEP 27: 22.9N 120.5E @ 140kph]. Confidence Level:  MEDIUM.

WEDNESDAY AFTERNOON: Weakens into a Tropical Storm (TS) as it moves overland across Southeastern China…about 46 km west-northwest of Shantou City, China [2PM SEP 28: 23.7N 116.3E @ 85kph].  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 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 Info

- 24 hr. Rain Accumulation (near the center): 25 to 280 mm [Moderate to Heavy]

- Minimum Central Pressure: 952 millibars (hPa)

- Size of Circulation [Convective Cloud-Based, in diameter]: 950 km (Medium)

- Area of Damaging Winds (100 kph or more wind gusts):220 km from the center.

Additional Distances

Time/Date: 5:00 PM PhT Sun Sep 25, 2016
Location of Center/Eye: Near 20.1º N Lat 129.6º E Lon
Distance 1: 816 km ESE of Itbayat, Batanes 
Distance 2: 833 km ENE of Palanan, Isabela
Distance 3: 876 km ENE of Tuguegarao City, Cagayan
Distance 4: 1002 km ESE of Kaohsiung City, Taiwan
Distance 5: 1105 km NE 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


Posted by: " (Michael V. Padua)" <>
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