  — ▁The ▁J TW C ▁up gr ades ▁Ph an f one ▁to ▁Category ▁ 4 ▁ty ph oon . ▁ 1 5 : 0 0 ▁UTC   — ▁Ph an f one ▁weak ens ▁into ▁a ▁Category ▁ 3 ▁ty ph oon . ▁ 2 1 : 0 0 ▁UTC   — ▁The ▁J TW C ▁design ates ▁the ▁tropical ▁de pression ▁as ▁Trop ical ▁De pression ▁ 1 9 W . ▁ ▁October ▁ 3 ▁ 0 0 : 0 0 ▁UTC   — ▁P AG AS A ▁starts ▁issu ing ▁warnings ▁on ▁Ph an f one ▁and ▁named ▁it ▁N en eng . ▁ 1 2 : 0 0 ▁UTC   — ▁The ▁J MA ▁names ▁Trop ical ▁De pression ▁ 1 9 W ; ▁V ong f ong . ▁ 1 8 : 0 0 ▁UTC   — ▁The ▁J MA ▁reports ▁that ▁Trop ical ▁De pression ▁V ong f ong ▁has ▁intens ified ▁into ▁a ▁tropical ▁storm . ▁ 2 1 : 0 0 ▁UTC   — ▁The ▁J TW C ▁up gr ades ▁Ph an f one ▁to ▁a ▁Category ▁ 4 ▁ty ph oon ▁again . ▁ ▁October ▁ 4 ▁ 0 3 : 0 0 ▁UTC   — ▁Ph an f one ▁intens ifies ▁into ▁a ▁Category ▁ 4 ▁super ▁ty ph oon . ▁ 0 9 : 0 0 ▁UTC   — ▁V ong f ong ▁was ▁upgrad ed ▁to ▁a ▁Category ▁ 1 ▁ty ph oon ▁by ▁the ▁J TW C .