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On Saturday, Dec. 15, Tropical Cyclone Evan still had maximum sustained winds near 100 knots and has caused a number of tropical cyclone warnings. A tropical cyclone WARNING is in force for Fiji. A tropical cyclone GALE warning is in force for Cikobia, Vanua Levu, Taveuni, and nearby islands as well as the northern Lau group. On Saturday, Dec. 15 at 2100 UTC (4 p.m. EST/U.S.), Evan was located near 13.4 south and 177.7 west, about 585 miles ENE of Nadi, Fiji. Evan was moving to the west at 9 knots. Evan has grown in size as tropical-storm-force winds now extend 120 miles from the center. Evan is moving west- southwest, and is forecast to intensify for a day or so as it curves to the southwest, towards and to the north and west of Fiji. On Friday December 14, 2012, intensifying tropical cyclone Evan devastated the Samoan Islands when it passed over the islands on December 13, 2012. NASA's Tropical Rainfall Measuring Mission (TRMM) satellite flew directly above Evan today (December 14, 2012 ) at 0659 UTC when the tropical cyclone was a category 3 on the Saffir-Simpson scale with winds of 100kts (115 mph). TRMM's Microwave Imager (TMI) and Precipitation Radar (PR) data were used in the rainfall analysis. TRMM's Precipitation Radar (PR) showed that very intense storms in Evan's northern eye wall were dropping rain at a rate of up to 147mm/hr (~5.8 inches). The strongest radar reflectivity value of over 57dBZ was found in a powerful storm in the eastern side of Evan's eye. TRMM PR also revealed that these violent storms were reaching heights of at least 16km (~9.9 miles). To see an animation of the satellite view flying around the storm: trmm.gsfc.nasa.gov/trmm_rain/Events/evan_14_december_2012... Image Credit: NASA/SSAI, Hal Pierce Text Credit: NASA/Goddard, Rob Gutro NASA Goddard Space Flight Center enables NASA’s mission through four scientific endeavors: Earth Science, Heliophysics, Solar System Exploration, and Astrophysics. Goddard plays a leading role in NASA’s accomplishments by contributing compelling scientific knowledge to advance the Agency’s mission. Follow us on Twitter Like us on Facebook Find us on Instagram |
| Date | |
| Source | NASA Sees Cyclone Evan in 3-D |
| Author | NASA Goddard Space Flight Center from Greenbelt, MD, USA |
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This image was originally posted to Flickr by NASA Goddard Photo and Video at https://flickr.com/photos/24662369@N07/8281242347. It was reviewed on 17 September 2016 by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-2.0. |
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This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.) |  |
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| current | 21:21, 17 September 2016 | | 870 × 870 (534 KB) | Vanished Account Byeznhpyxeuztibuo | Transferred from Flickr via Flickr2Commons |
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