December 18, 2013
NASA’s Aqua Satellite Sees Tropical Cyclone Bruce Develop Near Cocos Island
NASA/Goddard Space Flight Center
NASA's Aqua satellite flew overhead as the fourth tropical cyclone of the Southern Indian Ocean cyclone season developed today, December 18, while it was passing to the northwest of Cocos Island, Australia.
When NASA's Tropical Rainfall Measuring Mission or TRMM satellite passed over Bruce on Dec. 18 at 407 UTC/Dec. 17 at 11:07 p.m. EST, data showed that the bands of thunderstorms were fragmented, but tightly wrapped into the center.
On December 18 at 0900 UTC/4 a.m. EST, Tropical Cyclone Bruce had maximum sustained winds near 50 knots/57.5 mph/92.6 kph making it a tropical storm. Bruce is expected to strengthen over the next several days and reach hurricane/typhoon strength before weakening. Bruce was centered just 108 nautical miles/124.3 miles/200 km northwest of Cocos Island, near 10.9 south latitude and 95.5 east longitude. It was moving to the southwest at 9 knots/10.3 mph/16.6 kph.
The Australian Bureau of Meteorology noted on December 18 at 11:00 a.m. EST, that winds affecting the Cocos Islands eased below gale force as Tropical Cyclone Bruce continues moving away.
Bruce is expected to track to the west-southwest and intensify over the next couple of days as it moves over open ocean.
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