Tuesday, December 13, 2011

TD 27W [Unnamed] - Update #001


for Tuesday, 13 December 2011 [6:00 PM PhT]

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

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


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


5:00 PM PhT (09:00 GMT) Tue 13 Dec 2011
Source: T2K Analysis/JTWC TC Warning #001/SatFixes
View: Advisory Archives (2004-2011)
The rapidly developing disturbance (LPA 95W) which was spotted over the Western Marshall Islands has rapidly strengthened into Tropical Depression 27W (UNNAMED)...may pose a serious threat to Southern Philippines (Visayas, Mindanao & Palawan) this weekend. Rainbands expected to reach Western Micronesia on Wednesday & Thursday.

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 PM PhT Tue December 13 2011
Location of Center: 6.0º N Lat 144.1º E Lon
Distance 1: 767 km SE of Yap, FSM
Distance 2: 826 km South of Guam, CNMI
Distance 3: 1,006 km East of P.A.R.
Distance 4: 1,069 km ESE of Koror, Palau
Distance 5: 1,938 km ESE of Mindanao, PH
MaxWinds (1-min avg): 45 kph (25 kts) near the center
Peak Wind Gusts: 65 kph (35 kts)
Present Movement: West @ 30 kph (16 kts)
Towards: Palau-Yap Area
CPA [ETA] to Surigao DN: Fri Afternoon [3-4PM PhT]
Minimum Central Pressure: 1002 millibars (hPa)
Saffir-Simpson Typhoon Scale: Tropical Depression
Size (in Diameter): --- km (--- nm) [N/A]
Max Sea Wave Height (near center): 8 ft
Possible Storm Surge Height: 0 ft [0 m]
Wunder TrackMap (for Public): 2 PM PhT Tue Dec 13


27W (UNNAMED) is expected to maintain its fast westerly movement for the next 24 hours...turning slightly WNW with a little decrease on its forward speed by 48 to 72 hours. On the forecast track, the core of the depression will pass very close to Palau by early Thursday morning while entering the Philippine Area of Responsibility (PAR). It will be approaching the shores of Northern Mindanao, particularly Siargao Island and Surigao Provinces Friday afternoon.

Maximum Sustained Winds (1-min. avg) are near 45 km/hr (25 knots) with higher gusts. 27W (UNNAMED) is a weak Tropical Depression (TD) on the Saffir-Simpson Tropical Cyclone Scale. Continued strengthening is forecast during the next 24 hours...and 27W could become a Tropical Storm by early Wednesday...then eventually into a typhoon on Thursday afternoon.

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

WEDNESDAY AFTERNOON:  Upgraded into a Tropical Storm as it continues to move westward...approaching Palau [2PM DEC 14: 6.5N 137.9E @ 85kph].
THURSDAY AFTERNOON:  Becomes a Category 1 Typhoon as it turns WNW while moving into the southern portion of the Philippine Sea [2PM DEC 15: 7.3N 132.1E @ 120kph].
FRIDAY AFTERNOON:  Just along the east coast of Surigao Provinces...intensified slightly as it prepares to make landfall over Northeastern Mindanao [2PM DEC 16: 8.8N 126.8E @ 140kph].


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

RAINBANDS - over water (Western Pacific Ocean)...not yet affecting any land mass. Tropical Depression Conditions w/ moderate to strong winds (<62 kph) will be expected along these bands (click here to know more about Rainbands).

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)

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 TS BANYAN (RAMON)...go visit our website @:


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