Tuesday, June 18, 2013

TD LEEPI (EMONG) Update #003


for Tuesday, 18 June 2013 [1:23 PM PhT]



Issued: 12:00 NN PhT (04:00 GMT) Tuesday 18 June 2013
Next Update: 7:00 PM PhT (11:00 GMT) Tuesday 18 June 2013

Tropical Depression 04W [EMONG] has continued its northerly track across the North Philippine Sea, east of Isabela...may become a Tropical Storm later today. 04W is now internationally known as "LEEPI", named after a beautiful waterfall located in the southern end of Laos.

This depression will enhance the Southwest Monsoon (Hanging Habagat) and bring windy/cloudy conditions with occasional slight to moderate to sometimes heavy rains and thunderstorms across Metro Manila, MiMaRoPa, CaLaBaRZON, Visayas, Western Luzon incl. Western Bicol beginning this afternoon or evening. Flash floods and landslides are likely in hazard-prone areas especially along mountain slopes.

Residents and visitors along the east coast of Central and Northern Luzon should closely monitor the development of LEEPI (EMONG).

Do not use this for life or death decision. This update is intended for additional information purposes only. Kindly refer to your national weather agency for official warnings, advisories or bulletins.


As of 12:00 noon today, the center of Tropical Depression Leepi (Emong) was located over the North Philippine Sea...about 428 km east-northeast of Palanan, Isabela or 478 km east-southeast of Santa Ana, Cagayan...currently moving north with an increased forward speed of 22 km/hr in the general direction of Okinawa-Ryukyu Islands Area.

Maximum Sustained Winds (1-min. avg) remains at 55 km/hr near the center with higher gusts. Leepi (Emong) is a very large-sized tropical cyclone with a diameter of 935 kilometers across. The 24-hour rainfall accumulation near the center of Leepi (Emong) is estimated to be heavy (250 mm).


TD Leepi (Emong) is expected to accelerate more to the north-northeast to northeast during the next 24 to 48 hours...with a turn to the east-northeast through 72 hours. On the forecast track, the core of Leepi (Emong) will be just along the open waters of the North Philippine Sea through Wednesday evening and exit the Philippine Area of Responsibility (PAR). It could pass close to the northwest of Okinawa and the Ryukyu Islands on Thursday morning...and move very near the coast of Southern Japan (Kyushu-Shikoku-Honshu) on Thursday evening through Friday noon.

Leepi (Emong) is forecast to intensify during the next 24 hours...becoming a Tropical Storm later today...and will continue to gain strength by Wednesday and Thursday, reaching a peak of 95 kph, before it starts to weaken on Friday.

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

WEDNESDAY NOON: Strengthens into a Tropical Storm as it turns north-northeast to northeast across the open waters of the North Philippine Sea...about 389 km south-southwest of Okinawa, Japan [12PM JUNE 19: 23.4N 126.0E @ 75kph].
THURSDAY NOON: Reaching its peak intensity while passing close to the north of Okinawa-Ryukyu Islands...about 300 km north-northeast of Okinawa, Japan [12PM JUNE 20: 29.1N 128.6E @ 95kph].
FRIDAY NOON: Starts to weaken while passing close to the coast of Southern Honshu...about 323 km southwest of Tokyo, Japan [12PM JUNE 21: 33.4N 137.2E @ 85kph].


Below is the summary of the storm's parts and its hazards affecting specific areas. You can also view this image link for you to understand the parts.

ELONGATED RAINBANDS - over water (Philippine Sea). Affected Areas: None. Tropical Depression Conditions with light, moderate to strong winds (30-60 kph) will be expected along these bands (click here to know more about Rainbands).
24HR TOTAL RAINFALL ACCUMULATION - from 5 up to 50 mm (slight to moderate rainfall) can be expected along areas affected by the outer & inner rainbands (see above)...with isolated amounts of 51 to 250 mm (moderate to heavy) along areas to the north and south of Leepi (Emong).

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


Time/Date: 12:00 NN PhT Tue June 18, 2013
Class/Name: TD Leepi (Emong)
Location of Center: 17.5º N Lat 126.5º E Lon
Distance 1: 428 km ENE of Palanan, Isabela
Distance 2: 478 km ESE of Sta. Ana, Cagayan
Distance 3: 490 km ENE of Casiguran, Aurora
Distance 4: 509 km E of Tuguegarao City
Distance 5: 579 km SE of Basco, Batanes
Distance 6: 582 km NE of Polillo Island
Distance 7: 660 km NE of Metro Manila
Distance 8: 811 km SSE of Ishigaki-Jima
Distance 9: 884 km SSE of Hualien, Taiwan
Distance 10: 1,010 km SSW of Okinawa, Japan
MaxWinds (1-min avg): 55 kph near the center
Peak Wind Gusts: 75 kph
Present Movement: North @ 22 kph
Towards: Okinawa-Ryukyu Islands
24hr Rainfall Accum (near center): Heavy [250 mm]
Minimum Central Pressure: 1000 millibars (hPa)
Size (in Diameter): 935 km [Very Large]
Max Sea Wave Height (near center): 12 feet
Possible Storm Surge Height: 0 ft (0 m)

T2K/WP StormTracks (for Public): GIF | Google Map (Flash)










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


For the complete details on TD LEEPI (EMONG)...go visit our website @:


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