0000 UTC, (9:00 a.m. JST) – The JMA reports that the tropical depression (01W), has intensified into a tropical storm and names it "Kong-rey".[1]
1800 UTC, (3:00 a.m. JST, 2 April) – The JMA reports that Tropical Storm Kong-rey (01W), has intensified into a severe tropical storm.[1]
2 April
0600 UTC, (3:00 p.m. JST) – The JTWC reports that Tropical Storm Kong-rey (01W), has intensified into a category 1 typhoon.[2]
3 April
0000 UTC, (9:00 a.m. JST) – The JMA reports that Severe Tropical Storm Kong-rey (01W), has intensified into a typhoon.[1]
1200 UTC, (9:00 p.m. JST) – The JMA reports that Typhoon Kong-rey (01W), has reached its peak 10-minute intensity of 150 km/h (90 mph).[1]
1200 UTC, (9:00 p.m. JST) – The JTWC reports that Typhoon Kong-rey (01W), has intensified into a category 3 typhoon. Simultaneously, they report that the system has reached its peak one-minute intensity of 185 km/h (115 mph).[2]
1800 UTC, (3:00 a.m. JST, 4 April) – The JTWC reports that Typhoon Kong-rey (01W), has weakened into a category 2 typhoon.[2]
4 April
0000 UTC, (9:00 a.m. JST) – The JTWC reports that Typhoon Kong-rey (01W), has weakened into a category 1 typhoon.[2]
1200 UTC, (9:00 p.m. JST) – The JTWC reports that Typhoon Kong-rey (01W), has weakened into a tropical storm.[2]
1800 UTC, (3:00 a.m. JST, 5 April) – The JMA reports that Typhoon Kong-rey (01W), has weakened into a severe tropical storm.[1]
1800 UTC, (3:00 a.m. JST, 5 April) – The JTWC reports that Tropical Storm Kong-rey (01W), has become extratropical.[2]
5 April
0600 UTC, (3:00 p.m. JST) – The JMA reports that Severe Tropical Storm Kong-rey (01W), has weakened into a tropical storm.[1]
1800 UTC, (3:00 a.m. JST, 6 April) – The JTWC stops monitoring the extratropical remnants of Kong-rey (01W), while they are located roughly 2,060 km (1,280 miles) southeast of Tokyo, Japan.[2]
6 April
0000 UTC, (9:00 a.m. JST) – The JMA reports that Tropical Storm Kong-rey (01W), has become extratropical.[1]
1800 UTC, (3:00 a.m. JST, 7 April) – The JMA stops monitoring the extratropical remnants of Kong-rey (01W), while they are located roughly 2,695 km (1,675 miles) southeast of Tokyo, Japan.[1]