File:Roke Sept 20 2011.jpg

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English: Typhoon Roke quickly became organized again and developed an excellent equatoward outflow and continued to strengthen. Then, being located in an area of low vertical wind shear and abnormally high sea surface temperatures, Roke underwent rapid deepening and became a Category 1 typhoon on the SSHS with a maximum sustained windspeed of 70 knots (130 km/h; 81 mph) (1-min sustained). The JTWC later reported that Roke underwent Explosive intensification, a a more extreme case of rapid deepening that involves a tropical cyclone deepening at a rate of at least 2.5 mbar per hour for a minimum of 12 hours. Also, they added that Roke developed a 10 nautical miles (19 km; 12 mi) eye and a good poleward outflow channel.
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Source http://lance-modis.eosdis.nasa.gov/wms/
Author NASA

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Public domain 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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Date/TimeThumbnailDimensionsUserComment
current04:44, 29 January 2013Thumbnail for version as of 04:44, 29 January 20137,880 × 8,201 (6.49 MB)Slick-o-bot (talk | contribs)Bot: convert to a non-interlaced jpeg (see bug #17645)
11:50, 20 September 2011Thumbnail for version as of 11:50, 20 September 20117,880 × 8,201 (6.18 MB)Anirudh Emani (talk | contribs)

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