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Fujiwhara interaction between Cyclone Vernon and Invest 93S over the South Indian Ocean

By Scott Bachmeier •

JMA Himawari-8 “Clean” Infrared Window (10.4 µm) images [click to play animated GIF | MP4]

JMA Himawari-8 “Clean” Infrared Window (10.4 µm) images (above) displayed the Fujwhara effect between Cyclone Vernon (which rapidly intensified and briefly developed a small eye) and Tropical Invest 93S, as they rotated (clockwise) around each other in the South Indian Ocean — west of Cocos Island, station identifier YPCC — during the 25 February – 27 February 2022 period. Invest 93S was eventually absorbed by Vernon (which decreased in intensity during the absorption  process).

Himawari-8 “Red” Visible (0.64 µm) images (below) showed Vernon when it had reached a peak intensity of Category 3 (ADT | SATCON) — however, the eye remained cloud-filled during that time.

JMA Himawari-8 “Red” Visible (0.64 µm) images [click to play animated GIF | MP4]

Categories: Himawari-8, Tropical cyclones