Humberto developed from Tropical Depression Ten north of Puerto Rico.
7 day average SST image from 18 September
(353 Kb) This image is derived from the average composite sea
surface temperature (SST) data over 7 days ending 18 September 2001. The
averaging is done to remove clouds. The temperature scale for the SST in
this image is 20 to 32 C. The track of Humberto is overlaid on this image.