The image showed what looked like wispy clouds around a low-level circulation center, devoid of rainfall. The bulk of clouds were being pushed to the northeast of the center as a result of southeasterly vertical wind shear. However, NASA and the Japan Aerospace Exploration Agency's GPM or Global Precipitation Measurement mission core satellite did not find any precipitation in those clouds.
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Image: NASA's Aqua satellite captured a visible-light image of Tropical Depression Sanba on Feb. 15, 12:50 a.m. EST (0550 UTC). Sanba was a swirl of clouds devoid of precipitation. CREDITS: NASA Goddard Rapid Response Team