Matthew developed in the western Gulf of Mexico.
Matthew track on SST image of the Gulf of Mexico from 8 October (324 Kb)
This image represents the average composite sea surface temperature (SST)
derived from NOAA satellite AVHRR data over the 7 days ending 8 October 2004.
The averaging is done to remove clouds. The temperature scale for SST is
20C to 32C. The track of Matthew is overlaid on this image.