▁less ▁flow ▁across ▁the ▁equ ator ▁to ▁spawn ▁tropical ▁cycl ones . ▁As ▁a ▁result , ▁there ▁was ▁a ▁marked ▁decrease ▁in ▁overall ▁activity ▁compared ▁to ▁the ▁ 1 9 8 9 – 9 0 ▁season . ▁The ▁M FR ▁issued ▁ 1 9 8   cy clone ▁bullet ins ▁during ▁the ▁season , ▁a ▁ 4 0 % ▁decrease ▁over ▁the ▁previous ▁year . ▁Many ▁of ▁the ▁storm s ▁formed ▁at ▁the ▁edge ▁of ▁satellite ▁coverage . ▁ ▁Systems ▁ ▁Se vere ▁Trop ical ▁Storm ▁Al ison ▁ ▁A ▁south ward - mov ing ▁ant icy clone ▁influenced ▁the ▁mon so on ▁tr ough ▁to ▁spawn ▁a ▁tropical ▁disturb ance ▁on ▁January   8 , ▁located ▁east ▁of ▁Diego ▁Gar cia . ▁The ▁system ▁moved ▁to ▁the ▁east ▁without ▁much ▁organization , ▁turning ▁to ▁the ▁south west ▁on ▁January   1 1 ▁around ▁a ▁r idge . ▁On ▁the ▁next ▁day , ▁the ▁J TW C ▁class ified ▁the ▁system ▁as ▁Trop ical ▁Cy clone ▁ 0 7 S , ▁the ▁same ▁day ▁that ▁the ▁M FR ▁upgrad ed ▁the ▁de pression ▁to ▁Trop ical ▁Storm ▁Al ison . ▁Cond itions ▁fav ored ▁further ▁strength ening , ▁and ▁Al ison ▁gradually ▁intens ified ▁to ▁peak ▁ 1 0 ‑ min ute ▁sust ained ▁wind s ▁of ▁ 1 1 5   km / h ▁( 7 0   m ph ) ▁on ▁January   1 5 , ▁according ▁to ▁the ▁M FR . ▁On ▁the ▁same ▁date , ▁the ▁J TW C