92W WEAKENS 93W INTENSIFYING SHOWING POTENTIAL THIS WEEK

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(AS OF 3P[05:30UTC] APRIL 23, 2009)

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WEAK TROPICAL DISTURBANCE WARNING 92W

17.3N, 120.0E

10KTS SLP 1010MB

NE SLOWLY

TROPICAL DISTURBANCE ALERT 93W

3.8N, 142.2E

26KTS SLP 1007.9MB

WNW SLOWLY

RAINRATE:14-15mm/hr

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

Weak tropical disturbance 92W make landfall near Ilocos sur this afternoon and now dissipating over land. However its remnant will be steered back to water north of philippine sea which will likely to intensify as seen on latest vortices. Meanwhile, Tropical disturbance Alert 93W now consolidating rapidly but its convection reduced to Level2-3 however latest satellite imaging shows a tight wrapping circulation along LLCC which shows 93W showing intensification. Its convection limitation is due to moderate VWShear over the area, but the said shear will weakens slowly that will result to its deepening. high SST and good equatorial outflow and fair upper divergence will result for maintaining strenght of 93W.

For a while SW windflow continues to prevail as 92W and frontal system continues to influence the said system. Monsoon trough in the meantime weakens a bit but surely will intensify as 93W moves further away from equator. light-heavy scattered rain and thunderstorm expected to continue for most of the day and night this day becoming more visible to western Luzon and Southern Luzon as seen on latest satellite imagery.

AREAS MOSTLY PRECIPITATED BASED ON 3BR2RT TRMM IN THE PHILIPPINES

1 DAY
35.00 mm DAGUPAN/LUZON ISL 16.05 120.33

37.00 mm AMBULONG/LUZON ISL 14.08 121.05

37.00 mm BALER RADAR 15.75 121.63

40.00 mm TAYABAS 14.03 121.58

43.00 mm CALAPAN/MINDORO ISL 14.63 121.02

44.00 mm ALABAT ISLAND 14.08 122.02

45.00 mm TANAY 14.50 121.35

47.00 mm CABANANATUAN/LUZON 15.48 120.97

48.00 mm PUERTO PRINCESA AFB 9.75 118.73

48.00 mm ROXAS/PANAY ISLAND 11.58 122.75

52.00 mm ITBAYAT ISLAND 20.80 121.85

53.00 mm BASCO RADAR 20.43 121.95

53.00 mm BASCO/BATAN ISLAND 20.45 121.97

54.00 mm VIGAN/LUZON ISLAND 17.57 120.38

63.00 mm LAOAG INTL(PH-ARMY) 18.18 120.53

64.00 mm BISLIG/MINDANAO ISL 8.22 126.32

64.00 mm HINATUAN/MINDANAO 8.37 126.33

65.00 mm TANDAG/MINDANAO ISL 9.07 126.17
3 DAYS
109.00 mm BAGUIO/LUZON ISLAND 16.42 120.60

109.00 mm TANDAG/MINDANAO ISL 9.07 126.17

111.00 mm IBA/LUZON ISLAND 15.33 119.97

112.00 mm DAGUPAN/LUZON ISL 16.05 120.33

118.00 mm CLARK AFB/LUZON ISL 15.18 120.55

118.00 mm CROW VALLEY GNRY RG 15.32 120.38

121.00 mm BISLIG/MINDANAO ISL 8.22 126.32

121.00 mm HINATUAN/MINDANAO 8.37 126.33

127.00 mm CABANANATUAN/LUZON 15.48 120.97

139.00 mm MUNOZ/LUZON ISLAND 15.72 120.90

158.00 mm LAOAG INTL(PH-ARMY) 18.18 120.53

165.00 mm CALBAYOG/SAMAR ISL 12.07 124.55

171.00 mm VIGAN/LUZON ISLAND 17.57 120.38
7 DAYS
205.08 mm CABANANATUAN/LUZON 15.48 120.97

205.08 mm MUNOZ/LUZON ISLAND 15.72 120.90

244.14 mm CAGAYAN DE ORO 8.48 124.63

258.79 mm VIGAN/LUZON ISLAND 17.57 120.38

268.55 mm CALBAYOG/SAMAR ISL 12.07 124.55

288.09 mm BALER RADAR 15.75 121.63

302.73 mm LAOAG INTL(PH-ARMY) 18.18 120.53