I just took my graph and bumped all the numbers up by about one because the sub surface Atlantic heat looks elevated and ENSO will probably be neutral in September.
There may be fewer storms this year than we had last year, but if more of them travel just North of the Yucatan, then 2011 will seem like a bigger hurricane season than 2010.
Scroll down to the last two pics.... Notice how the heat below the surface in the Pacific to the west of Central America has cooled down this year? This may reduce the storms forming near 10N90W. IMHO, this may allow more Caribbean storms to travel North of the Yucatan in 2011. I don't know....