Saturday, March 22, 2014

TD 04W (CALOY) Update #001


for Saturday, 22 March 2014 [12:43 PM PhT]


Issued at: 12:00 PM PhT (04:00 GMT) Saturday 22 March 2014
Next Update: 6:00 PM PhT (10:00 GMT) Saturday 22 March 2014

The strong and broad disturbance (LPA) which has been lingering to the east of Mindanao is now a fully-developed Tropical Depression (TD), tagged as 04W, with local name CALOY...expected to cross Surigao Del Norte later tonight. Occasional moderate to heavy rains with gusty winds will be expected along the path of this cyclone.

04W (Caloy) will slightly enhance the cool surge of the Northeast Monsoon (Hanging Amihan) - bringing mostly cloudy conditions w/ passing drizzles, slight to sometimes moderate rains and gusty winds (not exceeding 50 kph) across the eastern sections of Luzon including Bicol Region this weekend.

Residents and visitors along Northern and NE Mindanao and the Visayas should closely monitor the development of TD 04W (Caloy).

Information based on data collected by WeatherPhilippines Foundation, Inc. shall not be taken as official data. Weather information broadcasted and distributed by PAGASA remains as official data. WeatherPhilippines shall not be responsible for the private use and reliance of its weather information.


As of 11:00 AM PhT today...0300 GMT...

Location: Over the South Philippine Sea (near 9.3N 126.8E)
About: 100 km southeast of Siargao Island...or 155 km east-southeast of Surigao City
Maximum Sustained Winds (1-min avg): 45 kph near the center...Gustiness: 65 kph
24 hr. Rain Accumulation (near and north of center): 5 to 100 mm [Slight to Heavy]
Size (in diameter): 280 km (Very Small)
Past Movement: W at 09 kph
Forecast Movement: West to West-southwest at 11 kph
Towards: Surigao Del Norte-Bohol Sea Area


04W (Caloy) is expected to move westward within the next 12 hours with a dip towards the west-southwest through 48 hours. On the forecast track, the core of TD 04W (Caloy) will traverse Surigao Del Norte later tonight and enter Bohol Sea - passing in between Camiguin and Bohol by early Sunday morning. On Sunday afternoon, 04W will pass along the southern coast of Negros very near Dumaguete City and shall be off the Sulu Sea on Monday morning.

04W (Caloy) is expected to maintain its strength as it traverses Surigao Del Norte and Southern Visayas...and could dissipate as an area of low pressure off Sulu Sea. Advance Intensity Forecast (AIF) shows its 1-minute maximum sustained winds decreasing to 35 kph on Monday morning.

The following is the summary of the 2-day forecast outlook on this system:

SUNDAY MORNING: Off Bohol Sea...about 75 km SE of Tagbilaran City, Bohol [8AM MAR 23: 9.3N 124.4E @ 45kph].
MONDAY MORNING: Weakened into an area of low pressure off Sulu Sea...about 195 km SE of Puerto Princesa, Palawan [8AM MAR 24: 8.5N 120.0E @ 35kph].


Below are the regions or places with possible or ongoing effects caused by the current tropical cyclone.

NORTHERN CARAGA / NORTHERN PART OF NORTHERN MINDANAO / EASTERN AND SOUTHERN SAMAR / LEYTE / BOHOL / CAMIGUIN:  Moderate to heavy rains of 30 to 50 mm will be experienced today until Sunday morning...becoming heavy rains of 50-100 mm across the provinces of Surigao Del Norte, Southern Leyte, Siargao and Dinagat Islands. Residents living along the hazard-prone areas are advised to seek shelter and take precautionary measures against flashfloods and landslides.

Important Note: Please keep in mind that the above forecast outlook and hazards summary changes every 6 to 12 hrs!


Time/Date: 11:00 AM PhT Sat Mar 22, 2014
Class/Name: TD 04W (Caloy)
Minimum Central Pressure: 1002 millibars (hPa)

Location of Center: Near 9.3º N Lat 126.8º E Lon
Distance 1: 100 km SE of Siargao Island
Distance 2: 150 km ENE of Butuan City
Distance 3: 155 km ESE of Surigao City
Distance 4: 260 km SE of Maasin City
Distance 5: 330 km ESE of Tagbilaran City
T2K/WP StormTracks (for Public): GIF


CURRENT TRACKING MAP: _____________________________________________________________________________





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

For the complete details on TD 04W (CALOY)...go visit our website @:


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