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Archive: Sep 2009

MTSAT-1R Band 5 Anomaly

A curious image artifact was noted on MTSAT-1R 3.75 µm shortwave IR imagery, in the form of a very cold “false eye” appearing  just to the right of the actual eye of Typhoon Choi-Wan (17W) in the western North Pacific Ocean . The “ghost” of the eye exhibited a... Read More

Super Typhoon Choi-Wan (15W)

MTSAT-1R 10.7 µm IR images (above) showed Super Typhoon Choi-Wan (17W) as it reached Category 5 intensity over the western North Pacific Ocean during the 15 September – 16 September 2009 period. The eye of the typhoon was quite large (which moved just... Read More