Saturday, January 5, 2013

Tropical Storm Sonamu Update #7

Issued (2330 UTC) 730am PhT 010613

Tropical Storm Sonamu continues to move across the South China Sea today. The storm was last located approximately 540km southeast of Ho Chi Minh, Vietnam. Maximum sustained winds remain at 85kph with gusts of up to 110kph. Sonamu is moving west southwestward at 10kph.

IR Image from NRLMRY

Tropical Storm Sonamu continues to suffer from strong southeasterly wind shear. The image below shows how asymmetrical Sonamu looks right now with much of the convection being blown off to the northwest. Apart from leaving the low-level center partially exposed, the clouds blown off are reaching Southern Vietnam bringing light rains in the region.

TS Sonamu will continue moving slowly southwestward across the South China Sea. It may also start to weaken today, perhaps becoming a tropical depression as early as tomorrow. Latest forecasts have also changed with a track towards Malaysia becoming less likely.

We'll have another update later this afternoon.

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