Wednesday, March 17, 2010

Tropical Storm Ului Australia Cyclone Approaching

Posted by david at 2:22 PM



Tropical Cyclone Ului's cold thunderstorm cloud tops using infrared imagery on March 17 at 10:35 a.m. EDT after the storm had departed the Solomon Islands..

Tropical Cyclone Ului has been almost sitting still in the Coral Sea for the last couple of days, but is once again moving and headed for a landfall in northeastern Queensland, Australia by the weekend.

The Atmospheric Infrared Sounder (AIRS) instrument on NASA's Aqua satellite captured Tropical Cyclone Ului's cold thunderstorm cloud tops on March 17 at 10:35 a.m. EDT (14:35 UTC) after the storm had departed the Solomon Islands. The infrared imagery revealed that the two strongest areas where convection was strongest in Ului were in the northern and southern areas around the eye.

It is in those two areas that the highest, coldest thunderstorm tops were revealed by AIRS infrared imagery. Those thunderstorm cloud tops were as cold as -63 Fahrenheit, and were areas where heavy rain was falling.

 

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