OK, well, I'm not an expert on these things (just an aficionado), but don't these two tracks look a bit familiar?
Here is Irene's track, early on, when she was just little 'ol "Tropical Storm Irene"
And here is just-named Tropical Storm Katia (promoted from mere "Tropical Depression #12")
Irene seemed to track at a slightly lower latitude, and it's still early, but....I don't like that northeasterly tilt....
TROPICAL STORM KATIA FORECAST/ADVISORY NUMBER 5
ESTIMATED MINIMUM CENTRAL PRESSURE 1006 MB
MAX SUSTAINED WINDS 35 KT WITH GUSTS TO 45 KT.
34 KT....... 0NE 0SE 0SW 30NW.
WINDS AND SEAS VARY GREATLY IN EACH QUADRANT.
FORECAST VALID 02/0600Z 17.0N 49.5W
MAX WIND 80 KT...GUSTS 100 KT.
50 KT... 60NE 45SE 45SW 60NW.
34 KT...120NE 80SE 80SW 120NW.
EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 175 NM
ON DAY 4 AND 225 NM ON DAY 5...AND FOR INTENSITY NEAR 20 KT EACH DAY
OUTLOOK VALID 03/0600Z 18.5N 54.0W
MAX WIND 90 KT...GUSTS 110 KT.
OUTLOOK VALID 04/0600Z 20.5N 58.0W
MAX WIND 100 KT...GUSTS 120 KT.
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 11.8N 31.7W