Tuesday, December 09, 2014

TS HAGUPIT (RUBY) Update #022


for Monday, 08 December 2014 [9:00 PM PhT]


Issued at: 7:30 PM PhT (11:30 GMT) Monday 08 December 2014
Next Update: Monday Early Morning, 09 December 2014

Tropical Storm HAGUPIT (RUBY) continues to lose strength as it drifts westward off the coast of Laiya, Batangas...expected to move along the Batangas' Coastline tonight.

This storm will continue to enhance the Northeast Monsoon (Hanging Amihan) - bringing mostly cloudy and windy conditions and cooler temperatures across Northern and Central Luzon...becoming more frequent with possible occasional slight to moderate rains along eastern sections of Cagayan, Isabela, Aurora, and Northern Quezon. The threat of flash floods and landslides are likely in hazard-prone areas especially along river banks and mountain slopes of the affected areas. Residents are advised to take necessary precautions.

Residents and visitors along Southern and Central Luzon 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.


  • Heavy Rains (50 mm to 100 mm): Marinduque, Mindoro, Southern Quezon incl. Polilio Is., Rizal and Eastern Laguna - today until tomorrow, Tuesday (Dec 09).
  • Moderate to Heavy Rains (30-50 mm): Camarines Norte, Batangas, Cavite, Western Laguna, Metro Manila, Bulacan, Bataan, Pampanga, Zambales, Tarlac, Bulacan, Nueva Ecija and Aurora - today until tomorrow, Tuesday (Dec 09).

  • Tropical Storm Force Winds (Gusts of 100-110 kph): Marinduque, Southern Quezon, Batangas incl. Lubang Island, and northern portions of Oriental and Occidental Mindoro - until early tomorrow morning, Tuesday (Dec 09).
  • Tropical Storm Force Winds (Gusts of 75-100 kph): Rest of Mindoro, Laguna and Cavite - until early tomorrow morning, Tuesday (Dec 09).

  • Possible coastal storm surge flooding of 1.8-2.6 m (6-8 ft) above normal tide levels...accompanied by large and dangerous battering waves can be expected along the coastal, inland lakes and beach front areas of Marinduque, Southern Quezon, Batangas incl. Lubang Island, and northern portions of Oriental and Occidental Mindoro today and/or tomorrow. Moderate 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 Rest of Southern Luzon Provinces. (click here to know more about Storm Surge).


As of 5:00 PM PhT today...0900 GMT...Dec 08.

Classification/Name: TS Hagupit (Ruby)
Location: Over Tayabas Bay...along the coast of Laiya (near 13.6N 121.5E)
About: 35 km South of Lucena City, Quezon...or 50 km east-southeast of Batangas City, Batangas
Maximum Sustained Winds (10-min avg): 85 kph near the center...Gustiness: 100 kph
24 hr. Rain Accumulation (near and north of the center): 25 to 200 mm [Slight to Heavy]
Minimum Central Pressure: 989 millibars (hPa)
Size of Circulation [Convective Cloud-Based, in diameter]: 670 km (Medium)
Area of Damaging Winds (95 kph or more): None
Past Movement: West @ 12 kph
Forecast Movement: West @ 12 kph
Towards: Southern Coastline of Batangas


TS Hagupit (Ruby) is expected to move west slowly throughout the outlook period. On the forecast track, TS Hagupit (Ruby) shall move along the southern coasts of Batangas tonight...and shall emerge over the West Philippine Sea on Tuesday morning...and exit the Philippine Area of Responsibility (PAR) on Wednesday afternoon.

TS Hagupit (Ruby) is expected to continue to slowly weaken throughout the outlook period as it interacts with the land masses of the southern provinces of Southern Luzon and the entrainment of cold-dry air from the Northeasterlies/Northeast Monsoon. Advance Intensity Forecast (AIF) shows its 10-minute maximum sustained winds decreasing to 75 kph by Wednesday afternoon.

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

TUESDAY AFTERNOON: Weakens further as it emerges over the West Philippine Sea after traversing the southern coast of Batangas...about 110 km west of Lubang Island [2PM DEC 09: 13.8N 119.2E @ 85kph].
WEDNESDAY AFTERNOON: Continues losing strength as it moves over the West Philippine Sea turning slightly to west...exits PAR...about 315 km north-northeast of Pagasa Island [2PM DEC 10: 13.7N 115.4E @ 75kph].
THURSDAY AFTERNOON: Still losing strength as it accelerates west-southwestward across the South China Sea, towards Vietnam...about 330 km east-northeast of Nha Trang City, Vietnam [2PM DEC 11: 13.1N 112.1E @ 65kph].

*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 PM PhT Mon Dec 08, 2014
Location of Center: Near 13.6º N Lat 121.5º E Lon
Distance 1: 140 km WNW of Boac, Marinduque
Distance 2: 45 km NE of Calapan, Oriental Mindoro
Distance 3: 65 km ENE of Puerto Galera
Distance 4: 85 km SE of Tagaytay City
Distance 5: 125 km SSE of Metro Manila
Distance 6: 140 km ESE of Lubang Island










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


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Posted by: "Typhoon2000.com (Michael V. Padua)" <T2Kstormupdates@gmail.com>
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