Thursday, December 04, 2014

Super Typhoon HAGUPIT (RUBY) Update #005.


for Thursday, 04 December 2014 [2:35 PM PhT]


Issued at: 1:30 PM PhT (05:30 GMT) Thursday 04 December 2014
Next Update: Thursday Evening, 04 December 2014

Super Typhoon HAGUPIT has intensified further as it continues to move quickly across the southeastern part the Philippine Sea...increasing more its threat to Eastern Philippines particularly Eastern Visayas and Bicol Region this weekend.

Residents and visitors along Southern Luzon, Visayas and Northeastern Mindanao should closely monitor the development of Hagupit (Ruby).

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.

  • EASTERN VISAYAS, SOUTHERN BICOL AND SURIGAO DEL NORTE:  Moderate to Heavy rains of 50 to 100 mm with Tropical Storm Force Winds of not more than 75 kph will be experienced beginning Friday.
  • COASTAL STORM SURGE FLOODING: Possible >18 ft (>5.5 m) above normal tide levels...accompanied by large and dangerous battering waves can be expected along the coastal, inland lakes and beach front areas of Eastern Visayas and Southern Bicol late Friday evening. Catastrophic damage is likely on this type of storm surge. Danger from Rip Currents or Rip Tides can be expected along the beach-front areas of Surigao del Norte. (click here to know more about Storm Surge).


As of 11:00 AM PhT today...0300 GMT...Dec 04.

Classification/Name: STY Hagupit (Ruby)
Location: Over the southeastern part of the Philippine Sea (near 10.3N 132.7E)
About: 735 km east-northeast of Siargao Island...or 810 km east-southeast of Borongan City, Eastern Samar
Maximum Sustained Winds (10-min avg): 270 kph near the center...Gustiness: 320 kph
24 hr. Rain Accumulation (near and west of the center): 100 to 300 mm [Heavy to Extreme]
Minimum Central Pressure: 907 millibars (hPa)
Size of Circulation [Convective Cloud-Based, in diameter]: 1,330 km (Large)
Area of Damaging Winds (95 kph or more): 120 km from the Center
Past Movement: West-Northwest @ 34 kph
Forecast Movement: West-Northwest @ 23 kph
Towards: Philippine Sea


STY Hagupit (Ruby) is expected to continue moving in a straight west-northwest track in the next 24 hours, turning slightly to the west through 48 hours. On the forecast track, STY Hagupit (Ruby) will be traversing the central-southern part of the Philippine Sea by Friday morning...and shall move with decreasing speed closer to Eastern Samar by Saturday 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 295 kph by Friday morning.

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

FRIDAY MORNING: Continues to intensify as it traverses the central-southern part of the Philippine Sea...about 350 km east-northeast of Borongan City, Eastern Samar [8AM DEC 05: 11.8N 128.6E @ 295kph].
SATURDAY MORNING: Maintains its it slows down and turning slightly to the west closer to Eastern Samar...about 115 km northeast of Borongan City, Eastern Samar [8AM DEC 06: 12.1N 126.3E @ 295kph].
SUNDAY MORNING: Weakens slightly as it makes landfall over Northern Samar...traversing the province...and lands anew on the southern tip of Sorsogon...about 45 km south-southeast of Sorsogon City [8AM DEC 07: 12.6N 124.2E @ 285kph].

*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: 11:00 AM PhT Thu Dec 04, 2014
Location of Eye: Near 10.3º N Lat 132.7º E Lon
Distance 1: 790 km ENE of Surigao City
Distance 2: 760 km ESE of Guiuan, Eastern Samar
Distance 3: 850 km ESE of Tacloban City
Distance 4: 390 km NW of Koror, Palau
Distance 5: 600 km WNW of Yap Island









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

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