Saturday, January 12, 2013

LPA 94W (BISING) StormWatch #007


for Saturday, 12 January 2013 [1:19 PM PhT]


Issued: 1:00 PM PhT (05:00 GMT) Saturday 12 Jan 2013
Next Update: 7:00 PM PhT (11:00 GMT) Saturday 12 Jan 2013

Tropical Disturbance 94W (LPA) [Bising] has maintained its north-northwest track towards the North Philippine Sea. Its rainbands over the Bicol Region now receding...improving weather conditions expected today.

This disturbance will continue to enhance the Northeast Monsoon (Amihan) and bring 15-35 km/hr winds with "on-and-off" slight to moderate rains across Luzon including Metro Manila today.

Residents and visitors along Eastern Luzon should closely monitor the development of 94W (LPA) [BISING].

Do not use this for life or death decision. This update is intended for additional information purposes only. Kindly refer to your national weather agency for official warnings, advisories or bulletins.


As of 12 noon today, the center of Tropical Disturbance 94W (LPA) [Bising] was located over the Central Philippine Sea...about 232 km northeast of Virac, Catanduanes or 302 km northeast of Legazpi City, Albay...currently moving north-northwest with a forward speed of 22 km/hr in the general direction of the North Philippine Sea.

Maximum Sustained Winds (1-min. avg) remain at 35 km/hr near the center with higher gusts. The 24-hour rainfall accumulation near the center of 94W (Bising) is estimated to be heavy (250 mm).


Tropical Disturbance 94W (LPA) [Bising] is expected to continue moving north-northwest with a turn to the north during the next 24 hours. On the forecast track, the core of 94W (LPA) will continue to move across the North Philippine Sea through Sunday...hundreds of kilometers to the east of Northern Cagayan.

94W is forecast to maintain its strength through the next 24 hours. However, it could also become a weak Tropical Depression (TD) if development occurs.

The following is the summary of the 1-day forecast outlook on this system:

SUNDAY NOON: Over the North Philippine Sea...passing well to the east of Extremem Northern Luzon...about 328 km east-northeast of Santa Ana, Cagayan [12PM JAN 13: 18.8N 125.3E @ 35kph].

*Please be reminded that the Forecast Outlook changes every 6 hours, and the Day 3 Forecast Track have an average error of 250 km...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.


Below is the summary of the storm's parts and its hazards affecting specific areas. You can also view this image link for you to understand the parts.

RAINBANDS - affecting and spreading across Camarines Norte, Northern Camarines Sur (Partido) and Northern Catanduanes. Tropical Disturbance Conditions with light, moderate to strong winds (05-50 kph) will be expected along these bands (click here to know more about Rainbands).
24HR TOTAL RAINFALL ACCUMULATION - from 5 up to 100 mm (slight to heavy rainfall) can be expected along areas affected by the rainbands (see above)...with isolated amounts of 101 to 250 mm (heavy) along areas near the center of 94W (LPA) [Bising].

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


Time/Date: 12:00 NN PhT Sat January 12, 2013
Class/Name: LPA 94W (Bising)
Location of Center: 15.0º N Lat 125.8º E Lon
Distance 1: 200 km (NE) away from Pandan, Catanduanes
Distance 2: 232 km (NE) away from Virac, Catanduanes
Distance 3: 253 km (NE) away from Caramoan, CamSur
Distance 4: 291 km (ENE) away from Siruma, CamSur
Distance 5: 302 km (NE) away from Legazpi City
Distance 6: 320 km (NE) away from Metro Naga
Distance 7: 328 km (ENE) away from Daet, CamNorte
Distance 8: 418 km (ESE) from Casiguran, Aurora
Distance 9: 441 km (ENE) away from Infanta, Quezon
Distance 10: 507 km (ENE) away from Metro Manila
MaxWinds (1-min avg): 35 kph near the center
Peak Wind Gusts: 55 kph
Present Movement: NNW @ 22 kph
Towards: North Philippine Sea
24hr Rainfall Accum (near center): Heavy [250 mm]
Minimum Central Pressure: 1007 millibars (hPa)
Max Sea Wave Height (near center): 14 feet
Possible Storm Surge Height: 0 ft (0 m)

T2K/WP StormTracks (for Public): GIF | Google Map (Flash)







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

For the complete details on LPA 94W (BISING)...go visit our website @:


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