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NASA's Aqua and GPM Satellites Examine Tropical Cyclone Kenanga 17 December 2018

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NASA's Aqua and GPM Satellites Examine Tropical Cyclone Kenanga 17 December 2018 NASA's Aqua and GPM satellites examine Tropical Cyclone Kenanga 17 December 2018 northeast of Kenanga's center of circulation was dropping rain at a rate of over 119 mm (4.7 inches) per hour. At NASA's Goddard Space Flight Center in Greenbelt, Maryland, imagery and animations were created using GPM data. A 3-D animation used GPM's radar to show the structure of precipitation within tropical Cyclone Kenanga. The simulated flyby around Kenanga showed storm tops that were reaching heights above 13.5 km (8.4 miles). GPM is a joint mission between NASA and the Japanese space agency JAXA. On Dec. 17 at 3:05 a.m. EST (0805 UTC), NASA's Aqua satellite provided an infrared look at Tropical Cyclone Kenanga. Coldest cloud top temperatures (in purple) indicated where strongest storms appeared. Credit: NASA JPL/Heidar Thrastarson On December 16 and 17, NASA's GPM core observatory satellite and NASA's Aqua satellite, respectively, passed over the Southern Indian Ocean and captured rainfall and temperature data on Tropical Cyclone Kenanga. Kenanga formed on Dec. 15 about 1,116 miles east of Diego Garcia, and strengthened into a tropical storm. When the Global Precipitation Measurement mission or GPM core satellite passed overhead, The GPM core satellite found that a powerful storm the rainfall rates it gathered were derived from the northeast of Kenanga's center of circulation was dropping satellite's Microwave Imager (GMI) instrument. rain at a rate of over 119 mm (4.7 inches) per hour. GPM provided a close-up analysis of rainfall Credit: NASA /JAXA, Hal Pierce around tropical cyclone Kenanga. Data from GPM's microwave Imager (GMI) and Dual- Frequency Precipitation Radar (DPR) were used in this analysis. DPR found that a powerful storm On Dec. 17 at 3:05 a.m. EST (0805 UTC), the AIRS 1 / 2 or Atmospheric Infrared Sounder instrument aboard NASA's Aqua satellite provided an infrared look at Tropical Cyclone Kenanga. Coldest cloud top temperatures were near 63 degrees Fahrenheit (53 degrees Celsius) and indicated where strongest storms appeared. The Joint Typhoon Warning Center or JTWC noted "animated enhanced infrared satellite imagery depicts a central dense overcast feature with a formative eye. Another image shows a compact system with curved banding wrapping into an oblong microwave eye feature." On Dec. 17 at 10 a.m. EST (1500 UTC), maximum sustained winds were near 60 knots. Kenanga was centered near 12.8 degrees south latitude and 86.0 degrees east longitude, approximately 885 nautical miles east-southeast of Diego Garcia. Kenanga has tracked west-southwestward. JTWC forecasters expect Kenanga to continue strengthening for the next two days and then conditions will deteriorate. After three days the storm is forecast to begin weakening as it interacts with cooler, drier air. Provided by NASA's Goddard Space Flight Center APA citation: NASA's Aqua and GPM satellites examine Tropical Cyclone Kenanga (2018, December 17) retrieved 1 October 2021 from https://phys.org/news/2018-12-nasa-aqua-gpm-satellites-tropical.html This document is subject to copyright. Apart from any fair dealing for the purpose of private study or research, no part may be reproduced without the written permission. The content is provided for information purposes only. 2 / 2 Powered by TCPDF (www.tcpdf.org).
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