Tuesday, December 13, 2011

TD 26W [Unnamed] - Update #002


for Tuesday, 13 December 2011 [6:30 AM PST]

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Typhoon2000 (T2K) NEWS (Tuesday Dec 13 2011):

Currently issuing 6-hrly web, email, & iTyphoon app updates (except 12:00 Midnight) on 26W (UNNAMED).


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


5:00 AM PST (21:00 GMT) Tue 13 Dec 2011
Source: T2K Analysis/JTWC TC Warning #003/SatFixes
View: Advisory Archives (2004-2011)
Tropical Depression 26W (UNNAMED) remains a weak system moving westward across the South China Sea Sea...likely to bend WSW and dissipate due to the cold surge of the Northeast Monsoon.

Meanwhile, another Tropical Disturbance (LPA) tagged as 95W has been spotted moving West to WNW across Western Marshall Islands...about 890 km SSE of Guam or 2,357 km ESE of Mindanao (6.0N 147.9E)...carrying winds of 35 kph and was moving WNW @ 24 kph. Rainbands of this system will bring scattered to widespread rains, squalls & thunderstorms across Western Micronesia. The 24-hr TC formation potential on this disturbance has been increased to 50% (Medium Chance).

Residents and visitors along the Spratly Islands & Southern Vietnam should closely monitor the progress of 26W (UNNAMED).

Do not use this for life or death decision. This advisory is intended for additional information purposes only. Kindly refer to your country's official weather agency for local warnings, advisories & bulletins.


Time/Date: 5:00 AM PST Tue December 13 2011
Location of Center: 9.5º N Lat 111.5º E Lon
Distance 1: 354 km SW of Pagasa Is., Spratlys
Distance 2: 391 km SE of Nha Trang, Vietnam
Distance 3: 545 km ESE of Ho Chi Minh City, Vietnam
Distance 4: 790 km West of Puerto Princesa City, PH
MaxWinds (1-min avg): 45 kph (25 kts) near the center
Peak Wind Gusts: 65 kph (35 kts)
Present Movement: West @ 15 kph (08 kts)
Towards: South China Sea
12-18hr Rainfall Accum (near center): 140 mm (High)
Minimum Central Pressure: 1002 millibars (hPa)
Saffir-Simpson Typhoon Scale: Tropical Depression
Size (in Diameter): --- km (--- nm) [N/A]
Wind Area Distribution (in Knots): Current Wind Profile
Max Sea Wave Height (near center): 12 ft
Possible Storm Surge Height: 0 ft [0 m]
Wunder TrackMap (for Public): 2 AM PST Tue Dec 13


26W (UNNAMED) is expected to track WSW during the next 24-36 hours, with a little increase on its forward speed. On the forecast track, the core of the depression will just pass near the southern coast of Vietnam on Wednesday.

Maximum Sustained Winds (1-min. avg) remain near 45 km/hr (25 knots) with higher gusts. 26W (UNNAMED) is a weak Tropical Depression (TD) on the Saffir-Simpson Tropical Cyclone Scale. 26W is likely to dissipate within the next 24 to 36 hours.

The following is the summary of the 36-hour forecast outlook on this system:

WEDNESDAY EARLY MORNING:  Starts to dissipate as it passes well to the south of Vietnam [2AM DEC 14: 8.7N 108.5E @ 45kph].
THURSDAY AFTERNOON:  Dissipated over water as a remnant low pressure [2PM DEC 14: 7.7N 106.6E @ 20kph].


Below is the summary of the storm's parts and its hazards affecting specific areas:

LOOSE & BROKEN RAINBANDS - affecting & spreading across the Spratly Islands & the Southeastern Coast of Vietnam. Tropical Depression Conditions w/ moderate to strong winds (<62 kph) will be expected along these bands (click here to know more about Rainbands).
12-18HR TOTAL RAINFALL ACCUMULATION - from 5 up to 50 mm (low to medium rainfall) can be expected along areas affected by the rainbands (see above)...with isolated amounts of 51 to 140 mm (medium to high) along areas near the center of 26W (UNNAMED). (click to open NOAA's eTRaP graphic).

Important Note: Please keep in mind that the above forecast outlook, effects-hazards, current monsoon intensity, & tropical cyclone watch changes every 6 to 12 hrs!

External Links for TD 26W (UNNAMED)

JTWC Latest Tracking Chart: wp2611.gif
TSR Wind Probabilities: Current to 2 days Ahead
Zoomed Satellite Pic: NOAA's Near Real-Time
Wunderground Animation: 6-12 hr. GIF Loop


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


For the complete details on TD 26W (Unnamed)...go visit our website @:


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