EUMETSAT Meteosat-10 High Resolution Visible (0.8 µm) images, from ~0430-1600 UTC on 08/09/10 September; HLLB denotes Benghazi, Libya [click to play animated GIF | MP4]

Daytime EUMETSAT Meteosat-10 High Resolution Visible (0.8 µm) images (above) showed Storm Daniel as it developed into a Medicane over the southern Mediterranean Sea on 09 September (with convective bands wrapping around the storm center), then moved inland across northeastern Libya on 10 September 2023.

Hourly MIMIC Total Precipitable Water images from 09 to11 September (below) displayed bands of TPW in the 2.0-3.0 inch range (darker shades of red) wrapping around the center of Storm Daniel as it moved inland — causing heavy rainfall and extensive flooding (see this Climate Connections blog post for more details). Ship reports indicated that water temperatures in the central Mediterranean Sea — where Storm Daniel had meandered for a few days before approaching Libya — were in the 77-79ºF range.

MIMIC Total Precipitable Water images, from 2200 UTC on 09 September to 1600 UTC on 11 September [click to play animated GIF | MP4]

As the center of Storm Daniel was approaching the Libya/Egypt border on 11 September, a MIMIC Total Precipitable Water image with an overlay of Metop-C ASCAT surface scatterometer winds at 0800 UTC showed a long fetch of winds in the 25-33 knot range (red barbs) approaching the coast of Libya — then at 1100 UTC, a ship report within the same region of that ASCAT fetch reported a wind speed of 40 knots (below).

MIMIC Total Precipitable Water images, with an overlay of Metop-C ASCAT surface scatterometer winds at 0800 UTC and an overlay of surface/ship reports at 1100 UTC on 11 September [click to enlarge]

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