January 9, 2013
Slow-moving Tropical Depression Sonamu Being Wathced by NASA
NASA/Goddard Space Flight Center
Tropical Depression Sonamu has been consistently slow moving over the last couple of days, and that has not changed. NASA's Aqua satellite captured an infrared image of the stubborn storm lingering in the South China Sea, and it still contained some strong thunderstorms.
Multispectral satellite imagery showed that the low level circulation center was exposed to outside winds, and that the center was disorganized.
By 1500 UTC (10 a.m. EST/U.S.), Sonamu's maximum sustained winds were near 30 knots (34.5 mph/55.5 kph). Sonamu was centered near 5.3 north latitude and 109.3 east longitude, about 335 nautical miles (385.5 miles/620.4 km) west of Brunei. It was drifting to the southeast at 3 knots (3.4 mph/5.5 kph).
Sonamu is expected to continue its slow movement to the southeast and weaken further as wind shear increases. The Joint Typhoon Warning Center expects that Sonamu will make a landfall sometime on Jan. 10 in the Malaysian part of Borneo.
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