Wednesday, December 14, 2011

TD 27W [Unnamed] - Update #002


for Wednesday, 14 December 2011 [7:00 AM PhT]

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Typhoon2000 (T2K) NEWS (Wednesday Dec 14 2011):

Currently issuing 6-hrly web, email, & iTyphoon app updates (except 12:00 Midnight) on 27W (UNNAMED).


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


5:00 AM PhT (21:00 GMT) Wed 14 Dec 2011
Source: T2K Analysis/JTWC TC Warning #003/SatFixes
View: Advisory Archives (2004-2011)
Tropical Depression 27W (UNNAMED) slowing down as it tracks westward...circulation not yet properly organized. Rainbands approaching Yap-Palau Area.

Projected Landfall Area (PLA): Surigao Provinces on Friday Afternoon.

Residents and visitors along Western Micronesia, Palau & Southern Philippines should closely monitor the progress of 27W (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 PhT Wed December 14 2011
Location of Center: 5.9º N Lat 141.2º E Lon
Distance 1: 526 km SSE of Yap, FSM
Distance 2: 686 km East of P.A.R.
Distance 3: 756 km ESE of Koror, Palau
Distance 4: 922 km SSW of Guam, CNMI
Distance 5: 1,620 km ESE of Mindanao, PH
MaxWinds (1-min avg): 55 kph (30 kts) near the center
Peak Wind Gusts: 75 kph (40 kts)
Present Movement: West @ 26 kph (14 kts)
Towards: Palau-Yap Area
CPA [ETA] to Surigao DN: Fri Afternoon [12-2PM PhT]
12-18hr Rainfall Accum (near center): 120 mm (High)
Minimum Central Pressure: 1000 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): 10 ft
Possible Storm Surge Height: 0 ft [0 m]
Wunder TrackMap (for Public): 2 AM PhT Wed Dec 14


27W (UNNAMED) is expected to turn slightly WNW-ward for the next 24 hours...maintaining its motion with some decrease on its forward speed through 72 hours. On the forecast track, the core of the depression will pass very close to Palau Island by early Thursday morning as it enters the Philippine Area of Responsibility (PAR). It will be crossing Northern Mindanao, particularly Siargao Island and Surigao Provinces on Friday afternoon...passing over Bohol, Cebu & Negros by Friday night.

Maximum Sustained Winds (1-min. avg) are near 55 km/hr (30 knots) with higher gusts. 27W (UNNAMED) is a Tropical Depression (TD) on the Saffir-Simpson Tropical Cyclone Scale. Additional strengthening is forecast during the next 24 to 48 hours...and 27W could become a Tropical Storm later today.

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

THURSDAY EARLY MORNING:  Upgraded into a Tropical Storm (TS) as it passes over or very close to Palau...enters the Philippine Area of Responsibility (PAR) [2AM DEC 15: 6.9N 134.4E @ 75kph].
FRIDAY EARLY MORNING:  Becomes a Category 1 Typhoon...approaching Northeastern Mindanao [2AM DEC 16: 8.4N 128.3E @ 120kph].
SATURDAY EARLY MORNING:  Remains a typhoon as it traverses the Visayas...crossing Negros-Panay Area [2AM DEC 17: 10.4N 122.8E @ 120kph].


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

RAINBANDS - now affecting & spreading across Yap & Ulithi Islands...approaching Palau. 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 100 mm (low to high rainfall) can be expected along areas affected by the rainbands (see above)...with isolated amounts of 101 to 120 mm (high) along areas near the center of 27W (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 27W (UNNAMED)

View NOAA-CIRA's: Latest Full Wind Analysis
JTWC Latest Tracking Chart: wp2711.gif
TSR Wind Probabilities: Current to 3 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 27W (Unnamed)...go visit our website @:


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