▁have ▁been ▁likely ▁taken ▁late ▁on ▁September   2 5 , ▁documented ▁a ▁bar ometric ▁pressure ▁of ▁ 9 3 1   m bar ▁( h Pa ; ▁ 2 7 . 5 0   in H g ). ▁This ▁pressure ▁reading ▁would ▁stand ▁as ▁the ▁lowest ▁taken ▁during ▁the ▁h urr icane ' s ▁lif es pan , ▁and ▁also ▁suggested ▁that ▁the ▁storm ' s ▁initially ▁ass essed ▁intensity — equ ivalent ▁to ▁a ▁modern - day ▁Category   2 ▁h urr icane — was ▁significantly ▁under est im ated . ▁As ▁the ▁cy clone ▁passed ▁south ▁of ▁J ama ica , ▁it ▁cur ved ▁towards ▁the ▁north west , ▁taking ▁it ▁towards ▁the ▁Y uc at án ▁Channel . ▁By ▁September   2 8 , ▁the ▁storm ▁had ▁entered ▁the ▁G ulf ▁of ▁Mexico . ▁ ▁The ▁h urr icane ▁maintained ▁its ▁grad ual ▁forward ▁speed ▁and ▁fairly ▁steady ▁intensity ▁as ▁it ▁approached ▁the ▁Louisiana ▁coast . ▁As ▁the ▁cy clone ▁ne ared ▁land , ▁it ▁entered ▁a ▁dens er ▁area ▁of ▁sh ipping ▁traffic , ▁allowing ▁the ▁storm ' s ▁intensity ▁to ▁be ▁more ▁readily ▁ass essed . ▁S light ▁weak ening ▁occurred ▁as ▁the ▁storm ▁moved ▁over ▁shall ower ▁contin ental ▁sh elf ▁waters , ▁leading ▁up ▁to ▁the ▁h urr icane ' s ▁land fall ▁on ▁the ▁G ulf ▁coast ▁of ▁Louisiana ▁at ▁ 1 8 : 0 0   UTC ▁on ▁September   2 9 . ▁The ▁h urr icane ' s ▁strong est ▁wind s