99L continues to develop. NHC is now giving it a 50% chance at becoming a Named Tropical Cyclone. As of the 8 PM EDT Advisory tonight.
I did some research on storms passing through, or originating in the 10.0N / 45.0W area and the list follows.
Using 10.0N/ 45.0W as point with a 60nm radius.

TS Arthur: July 22 to July 27,1990

Cat 4 Hurricane Flora: September 26, to October 13,1963

Unnamed TD: June 11 to June 11,2003 dissipated

Cat 5 Ivan: September 4 to September 24, 2004 (passed thru 10N/ 45W as Cat 1 Hurricane.)Only system to achieve Hurricane status before passing through the area.

Unnamed Cat 3: September 6 to September 17, 1921

Cat 1 Fifi: September 4 to September 12,1958

Cat 4 Lili: September 21 to October 4,2002

TS Bret: August 4 to August 11,1993

TS Alma: August 12 to August 15, 1974

Cat 1 Gertrude: September 27 to October 4, 1974

TS Christine: August 25 to September 4, 1973

Cat 5 Emily: July 11 to July 21,2005

Only two of the above systems made landfall in the U.S.

Ivan made initial landfall on the Florida Panhandle and recurved back several days later to make a second landfall in SE Texas. Lili's landfall was on the Central Louisiana Coast.

http://csc.noaa.gov/hurricanes/#