From the latest Public Advisory (2AM AST) from the National Hurricane Center:

REPORTS FROM AN AIR FORCE RESERVE HURRICANE HUNTER AIRCRAFT INDICATE

THAT MAXIMUM SUSTAINED WINDS HAVE INCREASED TO NEAR 75 MPH...120

KM/HR...WITH HIGHER GUSTS.  THIS MAKES FLORENCE A CATEGORY ONE

HURRICANE ON THE SAFFIR/SIMPSON HURRICANE SCALE.  SOME ADDITIONAL

STRENGTHENING IS FORECAST DURING THE NEXT 24 HOURS.