THE STRUCTURE OF ANA HAS IMPROVED TODAY WITH THE DEVELOPMENT OF ANEYE AROUND 2200 UTC. THIS MAY BE ANA/S BEST EYE THROUGH ITS LIFECYCLE THUS FAR. EYEWALL CLOUD TOP TEMPERATURES HAVE WARMED THROUGHTHE AFTERNOON BUT THE EYE HAS REMAINED INTACT. DVORAK FIXES CAME INWITH 65 KT FROM PHFO...SAB AND JTWC...WITH CONSTRAINTS BROKEN BY ALLTHREE. GIVEN THIS EYE DEVELOPMENT...AND THAT IT HAS NOT BEEN AONE-IMAGE TRANSIENT FEATURE...THE INITIAL INTENSITY HAS BEENINCREASED TO 65 KT.