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Cyclone Biparjoy in the Arabian Sea

By Scott Bachmeier •

EUMETSAT Meteosat-9 Visible (0.64 µm, left) and Infrared Window (10.8 µm, right) images, 0100-1330 UTC on 10 June [click to play animated GIF | MP4]

Cyclone Biparjoy in the Arabian Sea began a period of rapid intensification late in the day on 09 June 2023, reaching Category 3 intensity by 12 UTC on 10 June (SATCON) — EUMETSAT Meteosat-9 Visible (0.64 µm) and Infrared Window (10.8 µm) images (above) showed Biparjoy during the 0100-1330 UTC period on 10 June 2023. A somewhat cloud-contaminated eye signature was evident in both the Visible and Infrared Meteosat-9 images, in addition to a Suomi-NPP VIIRS True Color RGB image (viewed using RealEarth) valid at 0747 UTC (below).

Suomi-NPP VIIRS True Color RGB image, valid at 0747 UTC on 10 June [click to enlarge]


RCM-3 Synthetic Aperture Radar image at 0125 UTC on 10 June [click to enlarge]

The Category 3 intensity of Biparjoy was supported by 2 overpasses of RADARSAT Constellation Mission (RCM)-3 at 0125 UTC (above) and 1337 UTC (below) — with peak Synthetic Aperture Radar (SAR) radial wind velocities of 106 knots in the SE quadrant at 0125 UTC and 105 knots in the SE quadrant at 1337 UTC (source).

RCM-3 Synthetic Aperture Radar image at 1337 UTC on 10 June [click to enlarge] 

Categories: Meteosat, Red-Green-Blue (RGB) images, SAR, Suomi NPP, Tropical cyclones, VIIRS