Ophelia formed over the central tropical Atlantic Ocean.
Ophelia track on SST image of 21 September (256 Kb) This image
represents the average composite sea surface temperature (SST) derived from
NOAA satellite AVHRR data over the 7 days ending 21 September 2011. The
averaging is done to remove clouds. The temperature scale for SST is
22C to 32C. The track of Ophelia is overlaid on this image.