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Hurricane Fabian is the first major hurricane of the 2003 Atlantic season. Fabian, known as a "Cape Verde" storm because of its origin in the eastern Atlantic, became a depression on August 27 just west of the Cape Verde Islands after emerging off of the African coast as an easterly wave. It became a tropical storm on the 28th of August before strengthening into a hurricane on the 29th. Fabian quickly gained strength becoming a Category 3 storm on the 30th of August and a Category 4 storm with winds estimated at 135 mph by the National Hurricane Center on the 31st.

The Tropical Rainfall Measuring Mission (TRMM) satellite captured this image of Fabian north of the Leeward islands at 09:58 UTC (5:48 am AST) on the 3rd of September, 2003 as it was moving slowly toward the northwest. At the time Fabian was still classified as a powerful Category 4 storm. The image gives a top down view of the storm with rainfall rates from the TRMM Precipitation Radar (PR) in the inner swath and the TRMM Microwave Imager (TMI) in the outer swath overlaid on TRMM Visible Infrared Scanner (VIRS) data (white areas). The image shows intense rain rates (darker red areas) around the western, northern and eastern sides of the eyewall that are fueling the storm by releasing heat energy near the core of Fabian. The VIRS data however does reveal that Fabian is feeling the effects of westerly wind shear aloft as evidenced by the restricted cirrus outflow on the western half of the storm.

TRMM is a joint mission between NASA and the Japanese space agency NASDA.

Images produced by Hal Pierce (SSAI/NASA GSFC) and caption by Steve Lang (SSAI/NASA GSFC).