Thursday, September 24, 2009

TD PRE-ONDOY (96W) - Update #002


for Wednesday, 23 September 2009 [6:52 PM PST]

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Typhoon2000 (T2K) NEWS (Wed September 23 2009):

Now initializing the 6-hrly advisories (except 12:00 AM) on the newly-formed TD PRE-ONDOY (96W).


+ Japan (JMA/10-min avg): 45 km/hr
+ USA (JTWC/1-min avg): 30 km/hr


6:00 PM PST (10:00 GMT) Wed 23 September 2009
View: Advisory Archives (2004-2009)

  • Tropical Depression PRE-ONDOY (96W) drifting Westward across the warm Philippine Sea...may intensify as it heads towards Eastern Luzon.

    *Residents and visitors along the Eastern Coast of Luzon and Bicol Region should closely monitor the progress of PRE-ONDOY.

    *Kindly refer to your local warnings & bulletins issued by your country's official weather agency. This advisory is intended for additional information purposes only.

    + Forecast Outlook: PRE-ONDOY is expected to continue consolidate and intensify while moving on a slow westward to Luzon. The 3-day initial forecast shows the system becoming a strong tropical storm as it moves closer to Central Luzon. It shall be passing more or less 200 km north of Northern Bicol on Saturday Sep 26. More forecast outlook will be issued later.

    + Effects: PRE-ONDOY's circulation continues to organize off the Philippine Sea...Its western outer rainbands expected to reach the Bicol Region and Samar Provinces tomorrow.

    + Current SW Monsoon Intensity: MODERATE >> Light to moderate southwesterly winds not in excess of 40 kph with occasional widespread rains or thunderstorms can be expected along the following affected areas: METRO MANILA, CENTRAL & SOUTHERN LUZON, BICOL REGION, MASBATE, NORTHERN MINDANAO, PALAWAN AND REST OF VISAYAS. Possible landslides, mudslides, mudflows (lahars) and life-threatening flash floods are likely to occur along steep mountain/volcanic slopes, river banks, low-lying & flood-prone areas of the affected areas.

    + Tropical Cyclone Watch:

    (1) Tropical Disturbance 95W (LPA) located off the South China Sea continues to move towards Vietnam's coast...currently located near lat 15.0 lon 112.8E...or about 510 km ESE of Da Nang, Vietnam...with 1-min maximum sustained winds of 30 kph...forecast to move West slowly.

    This system will be closely monitored for potential development into a Tropical Cyclone within the next 2 to 3 hours. Watch for more information on this new disturbance as new data arrives. Kindly click the cool
    T2K Graphical Satellite Analysis, issued everyday @ 2 PM PST (06 GMT) on tropical systems across the Western Pacific.

    [Important Note: Please keep in mind that the above forecast outlook, effects, current monsoon intensity, & tropical cyclone watch changes every 6 to 12 hrs!] 
    Time/Date: 6:00 PM PST Wed September 23 2009
    Location of Center: 14.9º N Lat 132.5º E Lon
    Distance 1: 895 km (483 nm) ENE of Virac, Catanduanes
    Distance 2: 945 km (510 nm) ENE of Gota Beach, Caramoan
    Distance 3: 1,010 km (545 nm) ENE of Metro Naga/CWC
    Distance 4: 1,175 km (635 nm) ESE of Baler, Aurora
    Distance 5: 1,125 km (607 nm) ESE of Casiguran, Aurora
    MaxWinds (1-min avg):
    45 kph (25 kts) near the center
    Peak Wind Gusts: 65 kph (35 kts)
    Saffir-Simpson Scale: Tropical Depression
    Coastal Storm Surge Height: 0 feet [0 m]
    Central Pressure: 1004 millibars (hPa)
    Recent Movement: West @ 07 kph (04 kts)
    General Direction: Eastern Luzon
    Size (in Diameter): 500 km (270 nm) / Average
    Max Sea Wave Height (near center): 9 ft (2.7 m)
    T2K TrackMap (for Public): 6 PM PST Wed Sep 23
    Zoomed Satellite Pic: Near Real-Time

  • T2K 24, 48, & 72 HR. FORECAST:

    2 PM (06 GMT) 24 SEPTEMBER: 15.0N 129.6E / 65-85 KPH (Tropical Storm) / W @ 11 KPH
  • 2 PM (06 GMT) 25 SEPTEMBER: 15.1N 127.0E / 75-95 KPH (Tropical Storm) / W @ 15 KPH
    2 PM (06 GMT) 26 SEPTEMBER: 15.4N 124.3E / 85-100 KPH (Tropical Storm) / WNW @ 13 KPH




    > Image source:  NOAA SATELLITE CENTER 


    > Image source: (

      ^ - JTWC commentary remarks (for Meteorologists) from their latest warning.

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


    For the complete details on TD PRE-ONDOY (96W)...go visit our website @:


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