Tuesday, January 8, 2013

Tropical Depression Sonamu Update #11 (w/ Video)

Issued (1030 UTC) 630pm PhT 010813

Here is our latest Video Update on Sonamu and the rest of the Tropics. Scroll down below for our complete Text and Tropical Update.

Text Update

Sonamu has now weakened to a Tropical Depression and could fully dissipate by tomorrow. The system was last located approximately 670km west of Brunei or about 460km northwest of the Malaysian Coast (Borneo Island). Maximum sustained winds are down to 55kph with gusts of up to 75kph. TD Sonamu is moving south southeastward at 10kph.

IR Image from NRLMRY

Latest satellite image shows the system looking much weaker compared to yesterday. The area of convection has significantly shrunk down as the strong southeasterly wind shear continues to blow across the South China Sea. The system is near the Riau Islands of Indonesia but isn't expected to bring significant stormy conditions in the region.

Tropical Depression Sonamu is forecast to continue moving southeastward and could fully dissipate by tomorrow. Its remnants, however, are still expected to move into Borneo possibly bringing light rains across Malaysia and Brunei.


IR Image from NRLMRY

Aside from Sonamu, we are watching two more areas in the tropics. Invest 94W is located approximately 200km southeast of General Santos City. This low pressure area has been meandering near Mindanao for 3 days now and hasn't really developed into a significant cyclone. However, it has brought widespread rains across Mindanao with many areas receiving up to 200mm in 3 days.

2-Day Rainfall Forecast (NOT OFFICIAL!)

While not expected to develop anymore, LPA 94W will probably continue to bring rains for a few more days across Central and Southern Philippines. Latest rainfall forecast above shows the areas that could possible see rains over the next two days. Eastern sections are urged to continue monitoring the weather for the possibility of heavy rains, flash floods, and landslides.

For the latest rainfall forecast and radar images in the Philippines, click HERE (ClimateX PH)

Elsewhere the tropics, a tropical disturbance moving south of Guam could bring another round of rainy weather for the Philippines this weekend. This particular system is not an invest yet; some computer models are hinting of a cyclone development but the possibility of such scenario is still pretty low at this time. Either way, we'll continue to monitor this system as it moves westward.

We'll have another update by tomorrow.

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