Tropical Storm WASHI (1121/27W) has moved west-northwest and has entered the Sulu Sea… There are signs of weakening as the storm accelerates… Cloud top temperatures of a small region of convection near the centre are around -70 degrees Celsius… Environmental conditions … Continue reading
Tropical Storm WASHI has made landfall on Davao Oriental, Philippines in the afternoon… It is now located near 8N 125E… moving rapidly westward across the island… WASHI has strengthened into a 40kt Tropical Storm… Strong convection is still able to … Continue reading
Tropical Depression 27W has intensified into Tropical Storm WASHI (1121)… WASHI is slowly strengthening… Satellite appearance of the storm has improved noticeably… Convective bands wraps more than 0.75 on log10 spiral closely into the circulation centre… Upper level outflow remains good… … Continue reading
Tropical Depression 27W has formed southeast of Yap… It’s moving to the west at around 6N 143E… Maximum sustained wind speed around the centre is estimated to be 45 km/h (25 kt)… A region of deep convection has developed over … Continue reading
Tropical Depression 26W over the South China Sea is moving west-southwest near 8N 111E while maintaining its strength… Convection is limited and the circulation centre is exposed… The system should remain weak and continue to approach Malaysia in the coming … Continue reading
Surface observation and satellite analysis suggest that 94W is now a Tropical Depression (26W by PGTW)… Convection has increased but easterly shear is still pushing the convection to the west… There is a poleward outflow channel… and vertical shear is decreasing… Slight … Continue reading
Tropical Disturbance 94W over the South China Sea remains weak… Although the low level circulation centre is well-defined, convection is disorganized and displaced to the south… 94W is expected to move west-southwest in the next couple of days… Significant development … Continue reading
A low level circulation centre (Tropical Disturbance 94W) is observed near 12N 116E… VIS imagery shows it’s partly exposed with major convection located in the northwestern quadrant… Strong northeast monsoon is bringing Gale Force winds to the South China Sea… … Continue reading
A Tropical Disturbance (upgraded to TD 25W by PGTW) is strengthening over the southern part of the South China Sea… ASCAT pass showed 25kt southwesterly winds north of Sabah, Brunei and Sarawak… Convection is sheared to the west… Overall organization … Continue reading
Tropical Disturbance 91W is located near 6N 139E within a monsoon trough… ASCAT pass revealed a weak but defined low level circulation centre… Convection associated with 91W is bringing unsettled weather to the northwestern quadrant of this circulation… 91W is expected to … Continue reading
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