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Inner-core Structure Of Typhoon Usagi Persisted At Landfall
2013-09-24 11:12:05

NASA The radar on NASA and JAXA's Tropical Rainfall Measuring Mission (TRMM) satellite saw Typhoon Usagi maintaining some of its inner-core structure an hour before landfall on Sept. 22, 2013. The data was used to create an image that showed the 3-D regions of heavy precipitation hiding under the circular cloud cover near Usagi's center of rotation. While the light precipitation regions had lost the appearance of organization, the heavy precipitation regions  showed what appeared to be...

Looking Again At TRMM Satellite Observations Of Tropical Cyclone Evan
2012-12-18 13:02:00

NASA The radar on NASA's Tropical Rainfall Measuring Mission (TRMM) satellite had observed Tropical Cyclone Evan four times as of Sunday, Dec. 16, and two of those overflights merit a closer examination. On Tuesday, Dec. 11, the TRMM satellite saw Evan about 24 hours before the storm struck American Samoa, and the radar data at first seem incongruous for such a weak system. At the time, Evan was estimated to be less than tropical "cyclone" strength, and had 35 knot (40.2 mph/64.8 kph)...


Word of the Day
call-note
  • The call or cry of a bird or other animal to its mate or its young.
'Call-note' is newer than 'bird-call,' which originally referred to 'an instrument for imitating the note of birds' but now also refers to 'the song or cry of a bird.'
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