, ▁the ▁system ▁turned ▁west ward ▁and ▁intens ified ▁into ▁a ▁tropical ▁de pression ▁after ▁developing ▁a ▁spir al ▁band ▁of ▁con ve ction . ▁On ▁January   2 , ▁the ▁de pression ▁made ▁land fall ▁near ▁Ant al aha ▁in ▁n ort he astern ▁Mad agas car , ▁and ▁quickly ▁weak ened ▁over ▁land . ▁ ▁The ▁system ▁moved ▁to ▁the ▁n ortheast ▁and ▁loop ed ▁back ▁to ▁the ▁east , ▁influenced ▁by ▁developing ▁Trop ical ▁Storm ▁Bent ha . ▁On ▁January   4 , ▁after ▁Bent ha ▁was ▁named , ▁the ▁system ▁was ▁renamed ▁Trop ical ▁Dist urb ance ▁C 1 . ▁Con ve ction ▁gradually ▁re organ ized ▁over ▁the ▁center ▁as ▁the ▁two ▁storm s ▁interact ed ▁and ▁moved ▁cycl on ically ▁around ▁each ▁other . ▁The ▁disturb ance ▁intens ified ▁after ▁Bent ha ▁began ▁weak ening , ▁becoming ▁Trop ical ▁Storm ▁Christ elle ▁on ▁January   5 . ▁On ▁the ▁next ▁day , ▁the ▁J TW C ▁began ▁issu ing ▁advis ories ▁on ▁Trop ical ▁Cy clone ▁ 0 7 S . ▁Christ elle ▁slowly ▁intens ified ▁as ▁it ▁turned ▁more ▁to ▁the ▁south , ▁becoming ▁the ▁dominant ▁system ▁after ▁absor bing ▁Bent ha . ▁A ▁warm ▁spot ▁formed ▁in ▁the ▁center ▁of ▁the ▁con ve ction , ▁and ▁the ▁M FR ▁estimated ▁peak ▁wind s ▁of ▁ 8 5   km / h ▁( 5 0   m ph ) ▁on ▁January   6 . ▁The ▁same ▁wind ▁she ar ▁that ▁weak ened ▁Bent ha ▁caused ▁Christ