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Tropical Storm Arlene

By Scott Bachmeier •

GOES-16 Visible (0.64 um, left) and Infrared Window (10.3 um, right) images [click to play animation]

GOES-16 Visible (0.64 um, left) and Infrared Window (10.3 um, right) images, with hourly ship reports when available [click to play animation]

** The GOES-16 data posted on this page are preliminary, non-operational data and are undergoing testing. **

A comparison of GOES-16 Visible (0.64 um) and Infrared Window (10.3 um) images (above) showed the development of Tropical Storm Arlene in the Atlantic Ocean on 20 April 2017.  Arlene has been one of only two tropical storms to be observed in the Atlantic Basin during the month of April in the satellite era.

A DMSP-15 SSMI Microwave (85 GHz) image from the CIMSS Tropical Cyclones site (below) revealed the formative stage of a convective ring around the core of Arlene at 1654 UTC.

DMSP-15 SSMI Microwave (85 GHz) image [click to enlarge]

9below DMSP-15 SSMI Microwave (85 GHz) image [click to enlarge]

The MIMIC Total Precipitable Water product (below) showed that Tropical Depression 1 / Arlene was embedded within a plume of modest TPW (30-40 mm) which was wrapping into a large mid-latitude cyclone to the west.

MIMIC Total Precipitable Water product, with surface analyses [click to play animation]

MIMIC Total Precipitable Water product, with surface analyses [click to play animation]

Categories: DMSP, GOES-16, Tropical cyclones