3-D Image of Usagi (IMAGE)
Caption
This TRMM 3-D image of Super-Typhoon Usagi on Sept. 19 shows heavy rain (red) at the base of the eyewall. The lightning flashes (ring of small orange dots) are displayed at 5 km altitude. That's near the freezing level in tropical cyclones and near the top of the heavy precipitation.
Credit
Image Credit: NASA/Owen Kelley
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