That spot that you refer no no longer exist. It was always decrasing in size before it was gone meaning there was no absolute size.

Jupiter does have another red spot there is a little red spot about half the size as the great big spot

cheers

12,8

3 times the size of earth there is also a little red spot and astronomers believe that the big red spot will eat up the little red spot.

The spot is a devastating wind storm travelling about 300 mph and is about the size of Earth