File:2013_Midget_Typhoon.jpg
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Summary
Description2013 Midget Typhoon.jpg |
English: It’s usually the big, sprawling storms that attract the attention of meteorologists, but occasionally tiny storms can make news as well. The most recent example is a suspected mini-typhoon that drifted across the western Pacific Ocean in mid-July 2013. The storm system emerged on July 16 and dissipated by July 19 without making landfall or causing any significant damage.
The Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Terra satellite captured this true-color image of the storm on July 17, 2013. It had the spiral shape of a tropical cyclone, but the cloud field was less than 100 kilometers (60 miles) across. For comparison, Super Typhoon Jelawat, the most intense storm of the 2012 season, had a cloud field that stretched nearly 1,000 kilometers (600 miles). Jelawat’s eye alone—with a diameter of 64 kilometers (40 miles)—was two-thirds the size of the entire July 2013 storm. Despite their small size, mini-cyclones are driven by the same forces that drive larger storms. Both small and large cyclonic storms are simply organized convection feeding off warm water in areas with low wind shear. According to the Joint Typhoon Warning Center, the low-pressure areas for these mini-typhoons must span less than two degrees of latitude (about 140 miles) and have sustained winds of 65 knots (74 miles per hour). The 2013 storm in the Pacific certainly meets the first criteria, but it is unlikely that the storm achieved typhoon-force winds. It’s also unlikely that the system had a “warm core,” which all true tropical cyclones have. While this storm did not cause damage, other mini storms certainly have. In 1974, the miniature cyclone Tracy hit Darwin, Australia, killing 71 people and destroying more than 70 percent of the city’s buildings. According to the National Hurricane Center, tropical cyclone Marco unseated Tracy as the smallest tropical cyclone on record in 2008. Marco had gale force winds that extended just 19 kilometers (12 miles). Typhoon Tip, with gale force winds extending 1,000 kilometers (675 miles) is the largest tropical cyclone on record. |
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Date | ||||
Source | http://modis.gsfc.nasa.gov/gallery/individual.php?db_date=2013-08-13 | |||
Author | NASA’s Terra/MODIS satellite | |||
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Camera location | 21° 00′ 00″ N, 134° 18′ 00″ E | View this and other nearby images on: OpenStreetMap | 21.000000; 134.300000 |
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Licensing
Public domainPublic domainfalsefalse |
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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Items portrayed in this file
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17 July 2013
21°0'N, 134°18'E
image/jpeg
d20f60c406f36a13d0ae26ba3260d418c22a09ef
349,704 byte
1,280 pixel
1,280 pixel
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current | 11:42, 25 October 2014 | 1,280 × 1,280 (342 KB) | Meow | User created page with UploadWizard |
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Orientation | Normal |
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Horizontal resolution | 72 dpc |
Vertical resolution | 72 dpc |
Software used | Pixelmator 3.2.1 |
File change date and time | 19:11, 25 October 2014 |
Color space | sRGB |