Sunday, July 13, 2008

Tropical Depression HELEN in the Philippines


Tropical Depression (HELEN/93W) drifting SSW-ward and slowly organizing over the warm waters of the Northern Philippine Sea...threat to Extreme Northern Luzon continues.

Forecast Outlook: This TD is expected to turn slowly Westward or remain quasi-stationary for the next 12 to 24 hours...expected to reach Tropical Storm status today. The 2 to 3-day short range forecast shows the system still heading Westerly in the direction of Cagayan-Batanes Area. More forecast outlook to be issued within the day. Stay tuned.

Effects: TD's western outer rain bands is now affecting the coastal areas of Cagayan - bringing rains and winds not exceeding 55 km/hr today. Moderate to rough seas can be expected along the coastal areas of the affected areas. Residents in low-lying areas must seek higher grounds for possible flooding & landslides due to the anticipated heavy rains brought about by this system. Precautionary measures must be initiated if necessary.

Current Monsoon Intensity: The Southwest (SW) Monsoon currently enhanced by this TD (HELEN), affecting Metro Manila & Western Luzon including Western Bicol Region. Cloudy skies with possible light to moderate passing rains w/ sometimes heavy downpour & SW'ly winds not exceeding 30 km/hr can be expected.

Time/Date: 11:00 AM Mon July 14
Location of Center: 19.6º N Lat 125.4º E Lon
Distance 1: 370 km (200 nm) ESE of Basco, Batanes
Distance 2: 410 km (220 nm) NE of Aparri, Cagayan
Max Winds (10-min avg): 55 kph (30 kts) near the center
Peak Wind Gusts: 85 kph (45 kts)
Saffir-Simpson Scale: N/A
Central Pressure: 1006 millibars (hPa)
Recent Movement: SSW Slowly
General Direction: Batanes-Cagayan Area
Size (in Diameter): --- km (--- nm) / Average
Max Sea Wave Height (near center): 10 ft (3.0 m)
View JMA Tracking Map: 11 AM HKT Mon July 14






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