NASA sees Tropical Storm Halong move northwest of GuamNASA sees Tropical Storm Halong move northwest of Guam









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July 31, 2014



NASA sees Tropical Storm Halong move northwest of Guam
Jul 31, 2014  












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		    On July 31, NASA's TRMM Satellite showed rain was falling at a rate of over 85.6 mm (about 3.4 inches) per hour in bands wrapping around Halong's southeastern side. Credit: NASA/SSAI, Hal Pierce
	       





					NASA's Tropical Rainfall Measuring Mission or TRMM Satellite passed over Guam as heavy rain fell over the island while Tropical Storm Halong's center passed just to the north of the island.
				    




The TRMM satellite flew above tropical storm Halong on July 31, 2014 at 0904 UTC (August 1, 2014 at 7:04 p.m. local time, Guam).
At NASA's Goddard Space Flight Center in Greenbelt, Maryland TRMM data was used to create a rainfall analysis. The analysis derived TRMM's Microwave Imager (TMI) and Precipitation Radar (PR) data was overlaid on a visible/infrared image from Japan's MTSAT-2 satellite at 0900 UTC to provide an entire picture of the storm and its rainfall distribution. TRMM PR revealed that rain was falling at a rate of over 85.6 mm (about 3.4 inches) per hour in bands wrapping around Halong's southeastern side.
A simulated 3-D view of Halong (from the northwest) was produced at NASA Goddard using radar reflectivity data from TRMM's Precipitation Radar (PR) instrument. The image showed a slice near the southern edge of the tropical storm's center found thunderstorms reaching heights of over 16.7 km (about 10.4 miles). The release of energy within these intense thunderstorm towers often portends a tropical cyclone's intensification.
On July 30 at 1500 UTC (11 a.m. EDT), Tropical Storm Halong had maximum sustained winds near 50 knots (57.5 mph/92.6 kph). It was centered near 14.9 north latitude and 140.3 east longitude, about 266 nautical miles (306.1 miles/492.8 km) west-northwest of Andersen Air Force Base, Guam. Halong was moving to the west at 8 knots (9.2 mph/14.8 kph). Halong was generating very rough surf with seas up to 22 feet (6.7 meters).
The Joint Typhoon Warning Center is forecasting Halong to continue moving to the west-northwest and to intensify. 



Enlarge


		    On July 31, NASA's TRMM Satellite showed rain was falling at a rate of over 85.6 mm (about 3.4 inches) per hour in bands wrapping around Halong's southeastern side. Credit: NASA/SSAI, Hal Pierce
	       

 




This video is not supported by your browser at this time.
NASA's TRMM Satellite 3-D Flyby of Tropical Storm Halong On July 31, NASA's TRMM Satellite showed rain was falling at a rate of over 85.6 mm (about 3.4 inches) per hour in bands wrapping around Halong's southeastern side. Halong was dropping heavy rain over Guam as it passed by. Credit: NASA/SSAI, Hal Pierce





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