Monday, July 21, 2014

Typhoon MATMO (HENRY) Update #007


for Monday, 21 July 2014 [7:00 AM PhT]


Issued at: 6:00 AM PhT (22:00 GMT) Monday 21 July 2014
Next Update: 6:00 PM PhT (10:00 GMT) Monday 21 July 2014

Typhoon MATMO (HENRY) continues to move north-northwest across the warm waters of the Philippine Sea...threatens Northern Cagayan and the Calayan-Babuyan-Batanes Group of Islands. The potential landfall area of this typhoon shall be over Eastern Taiwan by Wednesday morning.

This typhoon especially its western and southwestern outer rainbands will bring scattered to widespread rains and thunderstorms across the Bicol Region and the coastal areas of Eastern Luzon today. The threat of flash floods and landslides are likely in hazard-prone areas especially along river banks and mountain slopes of the affected areas during the occurrence of severe thunderstorms. Residents are advised to take necessary precautions.

Residents and visitors along Extreme Northern Luzon, Taiwan, and the Southern Islands of Japan should closely monitor the development of TY Matmo (Henry).

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 affected by the current tropical cyclone.

NORTHERN CAGAYAN & THE CALAYAN-BABUYAN-BATANES GROUP OF ISLANDS:  Moderate to heavy rains of 50 to 100 mm will be experienced beginning Monday afternoon until Wednesday morning. While, Batanes Group of Islands will have Tropical Storm Force Winds of not more than 65 kph beginning early Tuesday morning until early Wednesday morning. Residents living along the hazard-prone areas are advised to seek shelter and take precautionary measures against strong winds, storm surges, flashfloods and landslides.


As of 5:00 AM PhT today...2100 GMT.

Classification/Name: TY Matmo (Henry)
Location: Over the central portion of the Philippine Sea (near 15.8N 127.8E)
About: 450 km northeast of Virac, Catanduanes...or 610 km east-southeast of Casiguran, Aurora
Maximum Sustained Winds (10-min avg): 120 kph near the center...Gustiness: 150 kph
24 hr. Rain Accumulation (near and west of the center): 200 to 500 mm [Heavy to Extreme]
Minimum Central Pressure: 974 millibars (hPa)
Size (in diameter): 720 km (Average)
Area of Damaging Winds (95 kph or more): 110 kilometers from the center
Past Movement: North-Northwest @ 22 kph
Forecast Movement: Northwest @ 24 kph
Towards: North Philippine Sea
CPA [ETA] to Batanes Group: Tuesday Afternoon [between 12-5 PM PhT]


TY Matmo (Henry) is expected to move north-northwest to northwest during the next 24 hours with a decrease in forward speed...and this motion will continue through 48 hours. On the forecast track, the typhoon will continue to move across the northern portion of the Philippine Sea through early Tuesday morning...and will make landfall over Eastern Taiwan on Wednesday morning.

Matmo (Henry) will continue to gain strength through the next 48 hours, and shall weaken thereafter due to its interaction with the mountains of Taiwan. Advance Intensity Forecast (AIF) shows its 10-minute maximum sustained winds increasing to 175 kph by early Wednesday morning.

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

TUESDAY EARLY MORNING: Starts to decelerate as it moves over the northern portion of the Philippine Sea...about 310 km east-southeast of Basco, Batanes [2AM JUL 22: 19.6N 124.8E @ 150kph].
WEDNESDAY EARLY MORNING: Approaches the coast of Eastern Taiwan as it attains its peak wind speed...about 100 km southeast of Hualien, Taiwan [2AM JUL 23: 23.2N 122.1E @ 175kph].
THURSDAY EARLY MORNING: Makes its second landfall over Fujian Province (China) after traversing Taiwan...weakens rapidly...about 65 km southwest of Fuzhou City, China [2AM JUL 24: 25.6N 119.0E @ 140kph].

*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.

Important Note: Please keep in mind that the above hazards summary and forecast outlook changes every 6 to 12 hrs!


Time/Date: 5:00 AM PhT Mon Jul 21, 2014
Location of Center: Near 15.8º N Lat 127.8º E Lon
Distance 1: 430 km ENE of Pandan, Catanduanes
Distance 2: 530 km NE of Legazpi City
Distance 3: 550 km ENE of Metro Naga
Distance 4: 590 km ESE of Palanan, Isabela
Distance 5: 665 km SE of Santa Ana, Cagayan

Issued by: David Michael V. Padua for









>> To know the meteorological terminologies and acronyms used on this update visit the ff:

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