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Watches up in Australia as NASA sees System 99P developing

29.01.2014
NASA's Aqua satellite passed over the tropical low pressure area designated as System 99P and infrared data shows that the low is getting organized.

NASA's Aqua satellite passed over System 99P the Southern Pacific Ocean on Jan. 28 at 14:47 UTC/9:47 a.m. EST and saw some strong thunderstorms (high cloud tops) where temperatures exceeded -63F/-52C (purple).

Credit: NASA JPL, Ed Olsen

Meanwhile, the Australian Bureau of Meteorology posted a Cyclone Watch for coastal areas from Port Douglas to Proserpine, Queensland that are expected to be affected by the storm.

NASA's Aqua satellite passed over System 99P the Southern Pacific Ocean on January 28 at 14:47 UTC/9:47 a.m. EST and saw that some of the thunderstorms had high cloud tops, where temperatures exceeded -63F/-52C. The Atmospheric Infrared Sounder instrument known as AIRS captured infrared data on the low's clouds and revealed that some of the thunderstorms surrounding the low-level center of circulation had the potential for dropping heavy rainfall.

The Joint Typhoon Warning Center noted that animated multi-spectral satellite imagery showed that the low-level center was consolidating and that strong bands of thunderstorms wrapping into the elongated circulation.

System 99P was centered near 15.2 south and 153.4 east in the Coral Sea (Southern Pacific Ocean basin), about 215 nautical miles/247.4 miles/398.2 km east-northeast of Willis Island, Australia. Maximum sustained winds are near the threshold for depression status, currently as high as 30 to 35 knots along the northern and southern edges of the low. The low is located over waters warm enough (28C/86.6F) to support further development.

Forecasters at the Joint Typhoon Warning Center give System 99P a high chance for becoming a tropical depression over the next day as it tracks to the southwest toward Willis Island, Australia. The Australian Bureau of Meteorology or ABM issued a forecast for the low and projected a path to make landfall just north of Townsville, Queensland on January 31. For updates from ABM, please visit: http://www.bom.gov.au/cyclone/index.shtml.

Rob Gutro | EurekAlert!
Further information:
http://www.nasa.gov

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