Monday, August 21, 2017

Tropical Storm HATO (ISANG) Update Number 003


Tropical Storm HATO (ISANG) Update Number 003


Issued at: 12:00 AM PhT (16:00 GMT) Monday 21 August 2017
Next update: Monday Morning, 21 August 2017
Current Status and Outlook

15W (ISANG) has intensified into a tropical storm (TS) and was given an international name of "HATO", a Japanese word for a Columba or pigeon. It relocated west-southwest from its previous position over the southwestern part of the North Philippine Sea.

The depression is expected to move west-northwest within the next 24 hours at a speed of 17 km/hr towards the Bashi Channel. TS HATO (ISANG) is expected to become a Severe Tropical Storm (STS) by Monday evening (Aug 21).

*TS HATO (ISANG) and its associated Trough will continue to bring light to moderate scattered rain showers and thunderstorms across Extreme Northern, Northeastern, and Central Luzon, Metro Manila, and Bicol Region.

Where is HATO (ISANG)?As of 11:00 PM PhT, August 20…1500 GMT. The center was located over the southwestern part of the North Philippine Sea (near 19.6N 126.0E), about 423 km east-northeast of Santa Ana, Cagayan or 454 km east-southeast of Itbayat, Batanes.
How strong is it?

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

Past Movement (06 hrs)It was moving West-Southwest @ 39 kphtowards Bashi Channel
Potential Landfall Area(s):: None.
What Philippine areas will be most affected?*:: Batanes and Babuyan Group of Islands beginning Monday evening (Aug 21).

*Where moderate to heavy rains of 30 to 100 millimeters will be expected.

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

MONDAY EVENING: Intensifies into a severe tropical storm (STS) as it approaches the Batanes Island Group…about 105 km east-northeast of Basco, Batanes [8PM Aug 21: 20.9N 122.9E @ 95kph].  Confidence LevelLOW.

TUESDAY EVENING: Continue to intensify with near-typhoon winds as it exits the Philippine Area of Responsibility (PAR)…about 165 km south of Xiamen, China [8PM Aug 22: 23.0N 118.2E @ 110kph].  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 (across its circulation): 25 to 300 mm [Light to Heavy]

> Minimum Central Pressure: 996 millibars (hPa)

> Size of Circulation [Convective Cloud-Based, in diameter]: 557 km (Small)

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

Additional DistancesTime/Date: 11:00 PM PhT Sun August 20, 2017
Location of Center/Eye: Near 19.6º N Lat 126.0º E Lon
Distance 1: 478 km NE of Palanan, Isabela
Distance 2: 502 km ENE of Tuguegarao  City, Cagayan
Distance 3: 536 km NE of Cauayan City, Isabela
Distance 4: 556 km ENE of Pagudpud, Ilocos Norte
Distance 5: 767 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: John Christian B. Lequiron for WeatherPhilippines


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