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East Pacific Hurricane Beatriz off the coast of Mexico

By Scott Bachmeier •

GOES-18 “Red” Visible (0.64 µm) and “Clean” Infrared Window (10.3 µm) images [click to play animated GIF | MP4]

1-minute Mesoscale Domain Sector GOES-18 (GOES-West) “Red” Visible (0.64 µm) and “Clean” Infrared Window (10.3 µm) images (above) showed Category 1 Hurricane Beatriz just off the west coast of Mexico (near Ixtapa, station identifier MMZH) as a cloud-filled eye was becoming more apparent.

A DMSP-17 Microwave (85 GHz) image at 1322 UTC (below) from the CIMSS Tropical Cyclones site indicated that the eyewall had not yet completely closed at that time.

DMSP-17 SSMIS Microwave (85 GHz) image at 1332 UTC [click to enlarge]

However, Synthetic Aperture Radar (SAR) winds (below) from an earlier 1240 UTC overpass of RCM-2 (source) did suggest that a closed eye had formed — and the peak radial wind speed at that time was 79 knots.

RCM-2 SAR winds at 1240 UTC [click to enlarge]

Categories: DMSP, GOES-18, Microwave, SAR, Satellite winds, Tropical cyclones