Wednesday, July 15, 2009

TD ISANG (91W) - Update #002

for Wednesday, 15 July 2009 [6:04 AM PST]

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Typhoon2000 (T2K) NEWS (Wed July 15 2009):

Currently issuing 6-hrly E-Mail, SMS & Web Updates on the TD ISANG [91W] (except for 12:00 AM).


+ Philippines (PAGASA/10-min avg): 55 km/hr
+ Japan (JMA/10-min avg): 45 km/hr
+ USA (JTWC/1-min avg): 35 km/hr


As of 6:00 AM PST (22:00 GMT) Wed 15 July 2009
View: Advisory Archives (2004-2009)

  • Tropical Depression ISANG (91W) consolidating over the Philippine Sea...tracking Northwestward...outermost rain bands spreading across Eastern Visayas and Coastal Bicol Region.

    *Residents and visitors along Bicol Region and Eastern Luzon should closely monitor the progress of ISANG.

    *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: ISANG is expected to continue tracking towards the WNW to NW across the warm waters of the Philippine Sea. The 2 to 3-day medium range forecast shows ISANG passing about 250 to 350 km. to the east of Bicol Region late tonight and shall be about 200 km. to the east of Cagayan early Friday morning July 17. This system is expected to attain Tropical Storm status later today or early tomorrow.

    + Effects: ISANG's circulation continues to consolidate as it started to expand...Its outermost bands spreading across Eastern Visayas and the coastal areas of Eastern Bicol Region...Cloudy skies, possible light to moderate to sometimes heavy rains with squalls and thunderstorms can be expected along these bands.

    + Current SW Monsoon Intensity: WEAK >> Partly sunny to Cloudy skies w/ light to moderate occasional rains, thunderstorms, squalls and moderate SW winds not exceeding 30 kph can be expected over the following affected areas: CALAMIAN GROUP AND PALAWAN. 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 94W (LPA) west of Luzon remains weak over the South China Sea...currently located near lat 16.4N lon 115.7E...or about 495 km WNW of Dagupan City...with 1-min maximum sustained winds of 30 kph...drifting WNW slowly while embedded within the broad Monsoon Trough (ITCZ).

    This system will be closely monitored for possible development into a Significant Tropical Cyclone within the next 2 to 3 days. 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 AM PST Wed July 15 2009
    Location of Center: 11.5º N Lat 130.2º E Lon
    Distance 1: 525 km (283 nm) East of Borongan, E.Samar
    Distance 2: 690 km (372 nm) SE of Virac, Catanduanes
    Distance 3: 705 km (380 nm) ESE of Sorsogon City
    Distance 4: 730 km (395 nm) ESE of Legazpi City
    Distance 5: 795 km (430 nm) ESE of Naga City
    MaxWinds (10-min avg):
    55 kph (30 kts) near the center
    Peak Wind Gusts: 70 kph (38 kts)
    Saffir-Simpson Scale: Tropical Depression
    Coastal Storm Surge Height: 0 feet [0 m]
    Central Pressure: 1000 millibars (hPa)
    Recent Movement: NW @ 19 kph (10 kts)
    General Direction: Philippine Sea
    Size (in Diameter): 350 km (190 nm) / Average
    Max Sea Wave Height (near center): 8 ft (2.4 m)
    PAGASA TrackMap (for Public): 2 AM PST Wed July 15
    JTWC Ship Avoidance TrackMap:
    18Z Tue July 14
    Zoomed Satellite Pic: Near Real-Time

    2 AM (18 GMT) 16 JULY: 14.9N 126.6E
  • 2 AM (18 GMT) 17 JULY: 17.5N 124.3E
    2 AM (18 GMT) 18 JULY: 19.6N 122.1E

    REMARKS: 2 AM (18 GMT) 15 JULY POSITION: 11.8N 129.4E.




    > Image source:  NOAA SATELLITE CENTER 


      ^ - 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 ISANG (91W)...go visit our website @:


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