31) – The Joint Typhoon Warning Center (JTWC) begins issuing advisories on Tropical Depression 01W located 240 miles (385 km) northwest of Palikir, Pohnpei. 6 a.m. (1800 UTC March 31) – The JTWC upgrades Tropical Depression 01W to a tropical storm. 12 p.m. (0000 UTC) – The JMA upgrades the tropical depression to Tropical Storm Kong-rey. April 2 6 p.m. (0600 UTC) – The JTWC upgrades Tropical Storm 01W (Kong-rey) to a typhoon. 6 a.m. (1800 UTC April 2) – The JMA upgrades Tropical Storm Kong-rey to a severe tropical storm. April 3 12 p.m. (0000 UTC) – The JMA upgrades Severe Tropical Storm Kong-rey to a typhoon. April 4 12 a.m. (1200 UTC April3) – The JTWC upgrades Typhoon 01W (Kong-rey) to a Category 3 typhoon. 6 a.m. (1800 UTC April 3) – The JTWC downgrades Typhoon 01W (Kong-rey) to a Category 2 typhoon. 12 p.m. (0000 UTC) – The JTWC downgrades Typhoon 01W (Kong-rey) to a Category 1 typhoon. April 5 12 a.m. (1200 UTC April 4) – The JTWC downgrades Typhoon 01W (Kong-rey) to a tropical storm. 6 a.m. (1800 UTC April 4) – The JMA downgrades Typhoon Kong-rey to a severe tropical storm. 12 p.m. (0000 UTC) – The JTWC declares Tropical Storm 01W (Kong-rey) extratropical. 6 p.m. (0600 UTC) – The JMA downgrades Severe Tropical Storm Kong-rey to a tropical storm. April 6 12 p.m. (0000 UTC) – The JMA declares Tropical Storm Kong-rey extratropical. May May 16 3 p.m. UTC - Tropical Depression 02W forms east of Yap. May 17 6 a.m. UTC - The JMA designates Tropical Depression 02W as Tropical Storm Yutu. 9 a.m. UTC - The JTWC upgrades Tropical Depression 02W to Tropical Storm 02W (Yutu). May 18 6 a.m. UTC - The JMA upgrades Tropical Storm Yutu to Severe Tropical Storm Yutu. 8 a.m. UTC - PAGASA designates Severe Tropical Storm Yutu as Tropical Storm Amang. 3 p.m. UTC - The JTWC upgrades Tropical Storm 02W to Typhoon 02W (Yutu). 6 p.m. UTC - The JMA upgrades Severe Tropical Storm Yutu to Typhoon Yutu. May 19 2.45 a.m. UTC - PAGASA upgrades Tropical Storm Amang to Typhoon Amang (Yutu). May 22 3 a.m. UTC - The JTWC issues its final warning on Typhoon 02W (Yutu), in the process of extratropical transition. 9 a.m. UTC - The JMA downgrades Typhoon Yutu to a severe tropical storm. 3 p.m. UTC - The