The crucial latitude to cross before 60W is 30N to very likely avoid the SE US. The 0Z Euro barely did that by moving her west along 30N before moving her WNW. However, the 0Z UKMET has it moving due west way down at 25.2N, the latitude of the far S tip of FL.
HURRICANE FLORENCE ANALYSED POSITION : 20.5N 43.9W
ATCF IDENTIFIER : AL062018
LEAD CENTRAL MAXIMUM WIND
VERIFYING TIME TIME POSITION PRESSURE (MB) SPEED (KNOTS)
-------------- ---- -------- ------------- -------------
0000UTC 05.09.2018 0 20.5N 43.9W 994 53
1200UTC 05.09.2018 12 21.6N 45.7W 998 52
0000UTC 06.09.2018 24 22.6N 47.8W 1001 50
1200UTC 06.09.2018 36 23.6N 49.7W 1004 48
0000UTC 07.09.2018 48 24.2N 51.1W 1005 46
1200UTC 07.09.2018 60 24.4N 52.9W 1005 44
0000UTC 08.09.2018 72 24.3N 54.2W 1003 42
1200UTC 08.09.2018 84 24.2N 55.1W 999 48
0000UTC 09.09.2018 96 24.5N 56.0W 991 55
1200UTC 09.09.2018 108 24.7N 57.4W 985 53
0000UTC 10.09.2018 120 25.1N 59.1W 971 63
1200UTC 10.09.2018 132 25.2N 61.0W 965 70
0000UTC 11.09.2018 144 25.2N 63.1W 963 70