Lorenzo developed from Tropical Depression Thirteen in the southwestern
Gulf of Mexico.
Lorenzo track on SST image of 23 September (314 Kb) This image
represents the average composite sea surface temperature (SST) derived from
NOAA satellite AVHRR data over the 7 days ending 23 September 2007. The
averaging is done to remove clouds. The temperature scale for SST is
26C to 32C. The track of Lorenzo is overlaid on this image.