Thursday, December 04, 2014

Super Typhoon HAGUPIT (RUBY) Update #004


for Thursday, 04 December 2014 [8:25 AM PhT]


Issued at: 7:00 AM PhT (23:00 GMT) Thursday 04 December 2014
Next Update: Thursday Afternoon, 04 December 2014

HAGUPIT now locally named "RUBY" has rapidly intensified into a Super Typhoon as it enters the Philippine Area of Responsibility (PAR) early this morning...increasing its threat to Eastern Philippines particularly Eastern Visayas and Bicol Region this weekend.

Residents and visitors along Southern Luzon and Visayas should closely monitor the development of Hagupit.

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 or that are being affected by the hazards generated by the current tropical cyclone.

None for the next 24 hours.


As of 5:00 AM PhT today...2100 GMT...Dec 04.

Classification/Name: STY Hagupit (Ruby)
Location: Over the southeastern part of the Philippine Sea (near 9.6N 134.4E)
About: 910 km east of Siargao Island...or 1,010 km east-southeast of Borongan City, Eastern Samar
Maximum Sustained Winds (10-min avg): 220 kph near the center...Gustiness: 280 kph
24 hr. Rain Accumulation (near and west of the center): 100 to 300 mm [Heavy to Extreme]
Minimum Central Pressure: 926 millibars (hPa)
Size of Circulation [Convective Cloud-Based, in diameter]: 990 km (Medium)
Area of Damaging Winds (95 kph or more): 95 km from the Center
Past Movement: West-Northwest @ 31 kph
Forecast Movement: West-Northwest @ 21 kph
Towards: Philippine Sea


STY Hagupit is expected to slow down as it continues to move in a west-northwest track in the next 24 hours, turning slightly to the west through 48 hours. On the forecast track, TY Hagupit will be traversing the southeastern part of the Philippine Sea by Friday early morning...and shall move across the central-southern part of the Philippine Sea through Saturday early morning.

STY Hagupit is expected to continue to intensify throughout the outlook period as it moves over favorable environment and warmer sea surface temperatures (SSTs) of the Philippine Sea. Advance Intensity Forecast (AIF) shows its 10-minute maximum sustained winds increasing further to 280 kph by Saturday early morning.

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

FRIDAY EARLY MORNING: Continues to intensify as it traverses the southeastern part of the Philippine Sea...about 580 km east-southeast of Borongan City, Eastern Samar [2AM DEC 05: 11.4N 130.7E @ 260kph].
SATURDAY EARLY MORNING: Strengthens further as it slows down and turning slightly to the west, across the central-southern part of the Philippine Sea...about 310 km east-northeast of Borongan City, Eastern Samar [2AM DEC 06: 12.0N 128.2E @ 280kph].
SUNDAY EARLY MORNING: Maintains its strength as it continues to slow down and turns further slightly to the west, across the western-central part of the Philippine Sea, closer to Eastern Samar...about 115 km northeast of Borongan City, Eastern Samar [2AM DEC 07: 12.3N 126.2E @ 280kph].

*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 Thu Dec 04, 2014
Location of Eye: Near 9.6º N Lat 134.4º E Lon
Distance 1: 975 km E of Surigao City
Distance 2: 965 km ESE of Guiuan, Eastern Samar
Distance 3: 1045 km ESE of Tacloban City
Distance 4: 255 km N of Koror, Palau
Distance 5: 405 km W of Yap Island









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

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