EARLY ONSET OF RAINY SEASON SEEN AS MORE RAINS EXPECTED

LATEST SATELLITE IMAGERY OVER PHILIPPINES

LATEST CLOSE UP SATELLITE IMAGERY OF CONVECTION

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IMAGES OF THE DAY

(AS OF 3P[05:30UTC] APRIL 17, 2009)

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WEAK TROPICAL DISTURBANCE WARNING

(SOUTH OF MINDANAO; 2-5N, 138-140E)

RAINRATE:16-17mm/hr

SYNOPSIS: SOUTHWESTERLY WINDFLOW OVER LUZON AND WESTERN VISAYAS, MONSOON TROUGH (ITCZ) OVER VISAYAS AND MINDANAO.

Southwesterly windflow continues to prevail as a 2 low pressure trough (27N,145E and 35N, 122E) enhanced frontal system that drives more Southwesterly to westerly wind to prevail across SE Asia that brings a couple of scattered early summer monsoon thunderstorm along the country together wind developing monsoon trough over Visayas and Mindanao.

Most of the country expected to have scattered light-very heavy rains/TS most of the day today as convection's leveling to 3-6 continues to build up due to high sea surface temperature and continues effect of low frontal trough influences by the said 2 low pressure trough.

Winds will be at 37kph maximum from S-SW over Luzon and western Visayas becoming 28kph maximum from SE-S over the rest of the country.

AREAS MOSTLY PRECIPITATED BASED ON 3BR2RT TRMM IN THE PHILIPPINES

1 DAY
53.00 mm PUERTO PRINCESA AFB 9.75 118.73

56.00 mm BUGSUK ISLAND 8.18 117.30

3 DAYS
105.00 mm CALBAYOG/SAMAR ISL 12.07 124.55

107.00 mm ILOILO/PANAY ISLAND 10.70 122.57

121.00 mm BALER/LUZON ISLAND 15.77 121.57

122.00 mm ILIGAN/MINDANAO ISL 8.15 124.22

129.00 mm LUMBIA AIRPORT 8.43 124.28

160.00 mm CAGAYAN DE ORO 8.48 124.63

203.00 mm BALER RADAR 15.75 121.63

7 DAYS
205.08 mm BISLIG/MINDANAO ISL 8.22 126.3

2205.08 mm BUTUAN/MINDANAO ISL 8.93 125.5

2205.08 mm HINATUAN/MINDANAO 8.37 126.33

244.14 mm BALER RADAR 15.75 121.63

249.02 mm CAGAYAN DE ORO 8.48 124.63