Timeline of Events

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Typhoon PakaTyphoon ZitaTyphoon WinnieTyphoon Isa

January

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February–March

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  • No tropical cyclones were observed in the Western Pacific during the months of February and March 1997.

April

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10 April
12 April
  • 00:00 UTC, (9:00 a.m. JST) – The JMA designates Tropical Depression 02W as a tropical depression.[2]
  • 06:00 UTC, (3:00 p.m. JST) – The JTWC reports that Tropical Depression 02W has intensified into a tropical storm and names it "Isa".[1]
13 April
  • 00:00 UTC, (9:00 a.m. JST) – The JMA reports that Tropical Depression Isa (02W), has intensified into a tropical storm.[2]
  • 18:00 UTC, (3:00 a.m. JST, 14 April) – The JTWC reports that Tropical Storm Isa (02W), has intensified into a category 1 typhoon.[1]
15 April
  • 06:00 UTC, (3:00 p.m. JST) – The JMA reports that Tropical Storm Isa (02W), has intensified into a severe tropical storm.[2]
  • 12:00 UTC, (9:00 p.m. JST) – The JTWC reports that Typhoon Isa (02W), has intensified into a category 2 typhoon.[1]
 
Radar image of Typhoon Isa (02W), passing by Guam on 16 April
16 April
  • 00:00 UTC, (9:00 a.m. JST) – The JMA reports that Severe Tropical Storm Isa (02W), has intensified into a typhoon.[2]
  • 06:00 UTC, (3:00 p.m. JST) – The JTWC reports that Typhoon Isa (02W), has intensified into a category 3 typhoon.[1]
17 April
  • 18:00 UTC, (3:00 a.m. JST, 18 April) – The JTWC reports that Typhoon Isa (02W), has intensified into a category 4 typhoon.[1]
19 April
  • 06:00 UTC, (3:00 p.m. JST) – The JTWC reports that Typhoon Isa (02W), has intensified into a category 4 super typhoon.[1]
  • 12:00 UTC, (9:00 p.m. JST) – The JMA reports that Typhoon Isa (02W), has reached its peak 10-minute intensity of 155 km/h (100 mph).[2]
  • 18:00 UTC, (3:00 a.m. JST, 20 April) – The JTWC reports that Super Typhoon Isa (02W), has intensified into a category 5 super typhoon.[1]
20 April
  • 00:00 UTC, (9:00 a.m. JST) – The JTWC reports that Super Typhoon Isa (02W), has reached its peak 1-minute intensity of 270 km/h (165 mph).[1]
  • 18:00 UTC, (3:00 a.m. JST, 21 April) – The JTWC reports that Super Typhoon Isa (02W), has weakened into a category 4 super typhoon.[1]
21 April
  • 00:00 UTC, (9:00 a.m. JST) – The JTWC reports that Super Typhoon Isa (02W), has weakened into a category 4 typhoon.[1]
  • 06:00 UTC, (3:00 p.m. JST) – The JTWC reports that Tropical Depression 03W has formed roughly 1695 km (1050 miles) southeast of Guam.[3]
  • 12:00 UTC, (9:00 p.m. JST) – The JTWC reports that Typhoon Isa (02W), has weakened into a category 3 typhoon.[1]
  • 18:00 UTC, (3:00 a.m. JST, 22 April) – The JTWC reports that Typhoon Isa (02W), has weakened into a category 2 typhoon.[1]
22 April
  • 00:00 UTC, (9:00 a.m. JST) – The JTWC reports that Typhoon Isa (02W), has weakened into a category 1 typhoon.[1]
  • 00:00 UTC, (9:00 a.m. JST) – The JMA reports that Typhoon Isa (02W), has weakened into a severe tropical storm.[2]
  • 06:00 UTC, (9:00 p.m. HDT, 21 April) – The JTWC reports that Tropical Depression 03W has intensified into a tropical storm and names it "Jimmy".[3]
  • 06:00 UTC, (3:00 p.m. JST) – The JMA designates Tropical Storm Jimmy (03W), as a tropical depression.[2]
 
Image of Tropical Storm Jimmy (03W) near peak intensity on 24 April
23 April
  • 00:00 UTC, (9:00 a.m. JST) – The JTWC reports that Typhoon Isa (02W), has weakened into a tropical storm.[1]
  • 00:00 UTC, (9:00 a.m. JST) – The JMA reports that Severe Tropical Storm Isa (02W), has weakened into a tropical storm.[2]
  • 12:00 UTC, (9:00 p.m. JST) – The JTWC reports that Tropical Storm Isa (02W), has become extratropical.[1]
  • 18:00 UTC, (3:00 a.m. JST, 24 April) – The JTWC reports that the extratropical remnants of Isa (02W), have been absorbed by another extratropical cyclone while located roughly 1330 km (825 miles) southeast of Tokyo, Japan.[1][4]
  • 18:00 UTC, (3:00 a.m. JST, 24 April) – The JMA reports that Tropical Depression Jimmy (03W), has intensified into to a tropical storm. Simultaneously, they report that the storm has achieved its peak 10-minute intensity of 65 km/h (40 mph).[2]
  • 18:00 UTC, (3:00 a.m. JST, 24 April) – The JMA reports that Tropical Storm Isa (02W), has become extratropical.[2]
24 April
  • 00:00 UTC, (9:00 a.m. JST) – The JTWC reports that Tropical Storm Jimmy (03W), has attained its peak 1-minute intensity of 105 km/h (65 mph).[3]
  • 12:00 UTC, (9:00 p.m. JST) – The JMA reports that the extratropical remnants of Isa (02W), have been absorbed by an extratropical low while located roughly 2235 km (1390 miles) east of Tokyo, Japan.[2]
25 April
  • 18:00 UTC, (3:00 a.m. JST, 26 April) – The JTWC reports that Tropical Storm Jimmy (03W), has weakened into a tropical depression.[3]
26 April
  • 00:00 UTC, (9:00 a.m. JST) – The JTWC reports that Tropical Depression Jimmy (03W), has been absorbed by a frontal trough while located roughly 965 km (600 miles) northwest of Wake Island.[3][4]
  • 00:00 UTC, (9:00 a.m. JST) – The JMA reports that Tropical Storm Jimmy (03W), has weakened into a tropical depression.[2]
  • 12:00 UTC, (9:00 p.m. JST) – The JMA reports that Tropical Depression Jimmy (03W), has become extratropical and has been absorbed by the frontal trough while located roughly 750 km (465 miles) northwest of Wake Island.[2]
 
Track map of Tropical Storm Kelly (04W)
6 May
  • 12:00 UTC, (9:00 p.m. JST) – The JTWC reports that Tropical Depression 04W has formed over Majuro Atoll in the Marshall Islands.[5]
  • 18:00 UTC, (3:00 a.m. JST, 7 May) – The JMA designates Tropical Depression 04W as a tropical depression.[2]
8 May
  • 00:00 UTC, (9:00 a.m. JST) – The JTWC reports that Tropical Depression 04W has intensified into a tropical storm and names it "Kelly".[5]
  • 06:00 UTC, (3:00 p.m. JST) – The JMA reports that Tropical Depression Kelly (04W), has intensified into a tropical storm. Simultaneously, they report that the system has reached its peak 10-minute intensity of 65 km/h (40 mph).[2]
  • 12:00 UTC, (9:00 p.m. JST) – The JTWC reports that Tropical Storm Kelly (04W), has reached its peak 1-minute intensity of 85 km/h (50 mph).[5]
9 May
  • 18:00 UTC, (3:00 a.m. JST, 10 May) – The JTWC reports that Tropical Storm Kelly (04W), has weakened into a tropical depression.[5]
10 May
  • 12:00 UTC, (9:00 p.m. JST) – The JMA reports that Tropical Storm Kelly (04W), has weakened into an area of low pressure.[2]
  • 18:00 UTC, (3:00 a.m. JST, 11 May) – The JTWC reports that Tropical Depression Kelly (04W), has weakened into an area of low pressure.[5]
  • 18:00 UTC, (3:00 a.m. JST, 11 May) – The JMA reports that the remnants of Kelly (04W), have dissipated while located roughly 740 km (460 miles) southwest of Wake Island.[2]
11 May
  • 12:00 UTC, (9:00 p.m. JST) – The JTWC reports that the remnants of Kelly (04W), have dissipated while located roughly 1195 km (740 miles) northeast of Guam.[5]
25 May
  • 18:00 UTC, (3:00 a.m. JST, 26 May) – The JTWC reports that Tropical Depression 05W has formed roughly 85 km (55 miles) southeast of Calapan City in the Philippines.[6]
 
Image of Tropical Depression 05W on 26 May off the Philippines
26 May
  • 00:00 UTC, (9:00 a.m. JST) – The JMA designates Tropical Depression 05W as a tropical depression.[2]
  • 00:00 UTC, (9:00 a.m. JST) – Tropical Depression 05W makes landfall on Santiago Island in the Philippines with 1-minute sustained winds of 45 km/h (30 mph).[6]
  • 06:00 UTC, (3:00 p.m. JST) – Tropical Depression 05W makes landfall roughly 35 km (20 miles) north of Dagupan City in the Philippines with 1-minute winds of 45 km/h (30 mph).[6]
  • 06:00 UTC, (3:00 p.m. JST) – The JTWC reports that Tropical Depression 06W has formed over Majuro Atoll in the Marshall Islands.[7]
27 May
  • 12:00 UTC, (9:00 p.m. JST) – The JTWC reports that Tropical Depression 05W has intensified into a tropical storm and names it "Levi".[6]
  • 18:00 UTC, (3:00 a.m. JST) – The JMA designates Tropical Depression 06W as a tropical depression.[2]
28 May
  • 00:00 UTC, (9:00 a.m. JST) – The JMA reports that Tropical Depression Levi (05W), has intensified into a tropical storm.[2]
  • 12:00 UTC, (9:00 p.m. JST) – The JTWC reports that Tropical Storm Levi (05W), has reached its peak 1-minute intensity of 80 km/h (50 mph).[6]
  • 12:00 UTC, (9:00 p.m. JST) – The JMA reports that Tropical Storm Levi (05W), has reached its peak 10-minute intensity of 75 km/h (45 mph).[2]
  • 18:00 UTC, (3:00 a.m. JST, 29 May) – The JTWC reports that Tropical Depression 06W has intensified into a tropical storm and names it "Marie".[7]
29 May
  • 00:00 UTC, (9:00 a.m. JST) – The JMA reports that Tropical Depression Marie (06W), has intensified into a tropical storm.[2]
  • 0900 UTC, (6:00 p.m. JST) – The JMA reports that Tropical Storm Levi (05W), has weakened into a tropical depression.[2]
  • 12:00 UTC, (9:00 p.m. JST) – The JTWC reports that Tropical Storm Marie (06W), has intensified into a category 1 typhoon.[7]
30 May
  • 06:00 UTC, (3:00 p.m. JST) – The JTWC reports that Tropical Storm Levi (05W), has become extratropical.[6]
  • 06:00 UTC, (3:00 p.m. JST) – The JMA reports that Tropical Storm Marie (06W), has intensified into a severe tropical storm.[2]
  • 18:00 UTC, (3:00 a.m. JST, 31 May) – The JTWC reports that Typhoon Marie (06W), has intensified into a category 2 typhoon.[7]
 
Track map of Typhoon Marie (06W)
31 May
  • 00:00 UTC, (9:00 a.m. JST) – The JTWC reports that Typhoon Marie (06W), has reached its peak 1-minute intensity of 165 km/h (105 mph).[7]
  • 00:00 UTC, (9:00 a.m. JST) – The JMA reports that Tropical Depression Levi (05W), has become extratropical.[2]
  • 00:00 UTC, (9:00 a.m. JST) – The JMA reports that Severe Tropical Storm Marie (06W), has intensified into a typhoon. Simultaneously, they report that the storm has reached its peak 10-minute intensity of 120 km/h (75 mph).[2]
  • 18:00 UTC, (3:00 a.m. JST, 1 June) – The JMA reports that Typhoon Marie (06W), has weakened into a severe tropical storm.[2]

June

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1 June
  • 00:00 UTC, (9:00 a.m. JST) – The JTWC reports that Typhoon Marie (06W), has weakened into a category 1 typhoon.[7]
  • 12:00 UTC, (9:00 p.m. JST) – The JMA reports that Severe Tropical Storm Marie (06W), has weakened into a tropical storm.[2]
  • 18:00 UTC, (3:00 a.m. JST, 2 June) – The JTWC reports that Typhoon Marie (06W), has weakened into a tropical storm.[7]
2 June
  • 00:00 UTC, (9:00 a.m. JST) – The JMA reports that Tropical Storm Marie (06W), has become extratropical.[2]
  • 12:00 UTC, (9:00 p.m. JST) – The JTWC reports that Tropical Storm Marie (06W), has become extratropical.[7]
  • 12:00 UTC, (9:00 p.m. JST) – The JMA stops tracking the extratropical remnants of Marie (06W), has they cross the 180th meridian.[2]
  • 18:00 UTC, (3:00 a.m. JST, 3 June) – The JTWC stops tracking the extratropical remnants of Marie (06W), while they are located roughly 2360 km (1465 miles) northwest of Honolulu, Hawaii.[7]
3 June
  • 06:00 UTC, (3:00 p.m. JST) – The JMA stops tracking the extratropical remnants of Levi (05W), as they cross the 180th meridian.[2]
4 June
  • 00:00 UTC, (9:00 a.m. JST) – The JTWC stops tracking the extratropical remnants of Levi (05W), while they are located roughly 2465 km (1530 miles) southwest of Anchorage, Alaska.[6]
5 June
  • 00:00 UTC, (9:00 a.m. JST) – The JMA reports that a tropical depression has formed roughly 330 km (205 km) northwest of Palikir in the Federated States of Micronesia.[2]
  • 12:00 UTC, (9:00 p.m. JST) – The JTWC designates the JMA tropical depression northwest of Palikir as Tropical Depression 07W.[8]
6 June
  • 00:00 UTC, (9:00 a.m. JST) – The JTWC reports that Tropical Depression 07W has intensified into a tropical storm and names it "Nestor".[8]
8 June
  • 00:00 UTC, (9:00 a.m. JST) – The JMA reports that Tropical Depression Nestor (07W), has intensified into a tropical storm.[2]
  • 12:00 UTC, (9:00 p.m. JST) – The JTWC reports that Tropical Storm Nestor (07W), has intensified into a category 1 typhoon.[8]
  • 12:00 UTC, (9:00 p.m. JST) – The JMA reports that Tropical Storm Nestor (07W), has intensified into a severe tropical storm.[2]
June 9
  • 00:00 UTC, (9:00 a.m. JST) – The JTWC reports that Typhoon Nestor (07W), has intensified into a category 2 typhoon.[8]
  • 00:00 UTC, (9:00 a.m. JST) – The JMA reports that Severe Tropical Storm Nestor (07W), has intensified into a typhoon.[2]
  • 06:00 UTC, (3:00 p.m. JST) – The JTWC reports that Typhoon Nestor (07W), has intensified into a category 3 typhoon.[8]
  • 12:00 UTC, (9:00 p.m. JST) – The JTWC reports that Typhoon Nestor (07W), has intensified into a category 4 typhoon.[8]
 
Image of Typhoon Nestor (07W), near peak intensity on 10 June
10 June
  • 00:00 UTC, (9:00 a.m. JST) – The JTWC reports that Typhoon Nestor (07W), has intensified into a category 4 super typhoon.[8]
  • 06:00 UTC, (3:00 p.m. JST) – The JMA reports that Typhoon Nestor (07W), has reached its peak 10-minute intensity of 185 km/h (115 mph).[2]
  • 12:00 UTC, (9:00 p.m. JST) – The JTWC reports that Super Typhoon Nestor (07W), has intensified into a category 5 super typhoon. Simultaneously, they report that the storm has reached its peak 1-minute intensity of 260 km/h (160 mph).[8]
  • 18:00 UTC, (3:00 a.m. JST, 11 June) – The JTWC reports that Super Typhoon Nestor (07W), has weakened into a category 4 super typhoon.[8]
11 June
  • 06:00 UTC, (3:00 p.m. JST) – The JTWC reports that Super Typhoon Nestor (07W), has weakened into a category 4 typhoon.[8]
12 June
  • 18:00 UTC, (3:00 a.m. JST, 13 June) – The JTWC reports that Typhoon Nestor (07W), has weakened into a category 3 typhoon.[8]
13 June
  • 12:00 UTC, (9:00 p.m. JST) – The JTWC reports that Typhoon Nestor (07W), has weakened into a category 1 typhoon.[8]
  • 18:00 UTC, (3:00 a.m. JST, 14 June) – The JMA reports that Typhoon Nestor (07W), has weakened into a severe tropical storm.[2]
14 June
  • 06:00 UTC, (3:00 p.m. JST) – The JTWC reports that Typhoon Nestor (07W), has weakened into a tropical storm.[8]
  • 12:00 UTC, (9:00 p.m. JST) – The JMA reports that a tropical depression has formed roughly 900 km (560 miles) southeast of Naha, Okinawa.[2]
  • 12:00 UTC, (9:00 p.m. JST) – The JMA reports that Severe Tropical Storm Nestor (07W), has become extratropical.[2]
15 June
  • 00:00 UTC, (9:00 a.m. JST) – The JTWC designates the JMA tropical depression southeast of Okinawa as Tropical Depression 08W.[9]
  • 06:00 UTC, (3:00 p.m. JST) – The JTWC reports that Tropical Storm Nestor (07W), has become extratropical.[8]
  • 12:00 UTC, (9:00 p.m. JST) – The JTWC stops tracking the extratropical remnants of Nestor (07W), while they are located roughly 2410 km (1500 miles) east of Tokyo, Japan.[8]
16 June
  • 00:00 UTC, (9:00 a.m. JST) – The JTWC reports that Tropical Depression 08W has intensified into a tropical storm and names it "Opal".[9]
  • 00:00 UTC, (9:00 a.m. JST) – The JMA reports that Tropical Depression Opal (08W), has intensified into a tropical storm.[2]
  • 12:00 UTC, (9:00 p.m. JST) – The JMA reports that Tropical Storm Opal (08W), has intensified into a severe tropical storm.[2]
  • 18:00 UTC, (3:00 a.m. JST, 17 June) – The JMA stops tracking the extratropical remnants of Nestor (07W), as they cross the 180th meridian.[2]
17 June
  • 00:00 UTC, (9:00 a.m. JST) – The JTWC reports that Tropical Storm Opal (08W), has intensified into a category 1 typhoon.[9]
  • 06:00 UTC, (3:00 p.m. JST) – The JMA reports that Severe Tropical Storm Opal (08W), has intensified into a typhoon.[2]
  • 12:00 UTC, (9:00 p.m. JST) – The JTWC reports that Typhoon Opal (08W), has intensified into a category 2 typhoon. Simultaneously, they report that the storm has reached its peak 1-minute intensity of 170 km/h (105 mph).[9]
 
Image of Typhoon Opal (08W), near peak intensity on 18 June
18 June
  • 00:00 UTC, (9:00 a.m. JST) – The JMA reports that Typhoon Opal (08W), has reached its peak 10-minute intensity of 135 km/h (85 mph).[2]
19 June
  • 12:00 UTC, (9:00 p.m. JST) – The JTWC reports that Typhoon Opal (08W), has weakened into a category 1 typhoon.[9]
  • 21:00 UTC, (6:00 a.m. JST, 20 June) – The JMA reports that Typhoon Opal (08W), has weakened into a severe tropical storm.[2]
20 June
  • 01:00 UTC, (10:00 a.m. JST) – Severe Tropical Storm Opal (08W), makes landfall near Ise, Japan with 10-minute sustained winds of 110 km/h (70 mph).[2]
  • 02:00 UTC, (11:00 a.m. JST) – Severe Tropical Storm Opal (08W), makes landfall near Gamagōri, Japan with 10-minute sustained winds of 105 km/h (65 mph).[2]
  • 06:00 UTC, (3:00 p.m. JST) – The JTWC reports that Typhoon Opal (08W), has weakened into a tropical storm.[9]
  • 12:00 UTC, (9:00 p.m. JST) – The JMA reports that Severe Tropical Storm Opal (08W), has weakened into a tropical storm.[2]
21 June
  • 00:00 UTC, (9:00 a.m. JST) – The JTWC reports that Tropical Depression 09W has formed roughly 1990 km (1240 miles) southeast of Naha, Okinawa.[10]
  • 00:00 UTC, (9:00 a.m. JST) – The JMA reports that Tropical Storm Opal (08W), has become extratropical.[2]
  • 06:00 UTC, (3:00 p.m. JST) – The JTWC reports that Tropical Storm Opal (08W), has become extratropical while located roughly 580 km (360 miles) southeast of Sapporo, Japan. Simultaneously, they stop tracking the system.[9]
  • 12:00 UTC, (9:00 p.m. JST) – The JTWC reports that Tropical Depression 09W has degenerated into an area of low pressure roughly 1855 km (1250 miles) southeast of Naha, Okinawa.[10]
22 June
  • 06:00 UTC, (3:00 p.m. JST) – The JTWC reports that Tropical Depression 09W has regenerated roughly 1585 km (985 miles) southeast of Naha, Okinawa.[10]
  • 06:00 UTC, (3:00 p.m. JST) – The JMA designates Tropical Depression 09W as a tropical depression.[2]
  • 06:00 UTC, (3:00 p.m. JST) – The JMA stops tracking the extratropical remnants of Opal (08W), while they are located roughly 1710 km (1060 miles) northwest of Sapporo, Japan.[2]
23 June
  • 12:00 UTC, (9:00 p.m. JST) – The JTWC reports that Tropical Depression 09W has intensified into a tropical storm and names it "Peter".[10]
24 June
  • 06:00 UTC, (3:00 p.m. JST) – The JMA reports that Tropical Depression Peter (09W), has intensified into a tropical storm.[2]
 
Track map of Typhoon Peter (09W)
26 June
  • 00:00 UTC, (9:00 a.m. JST) – The JMA reports that Tropical Storm Peter (09W), has intensified into a severe tropical storm.[2]
  • 06:00 UTC, (3:00 p.m. JST) – The JTWC reports that Tropical Storm Peter (09W), has intensified into a category 1 typhoon. Simultaneously, they report that it has reached its peak 1-minute intensity of 120 km/h (75 mph).[10]
27 June
  • 06:00 UTC, (3:00 p.m. JST) – The JMA reports that Severe Tropical Storm Peter (09W), has intensified into a typhoon. Simultaneously, they report that it has reached its 10-minute peak intensity of 120 km/h (75 mph).[2]
  • 18:00 UTC, (3:00 a.m. JST, 28 June) – The JTWC reports that Typhoon Peter (09W), has weakened into a tropical storm.[10]
  • 2100 UTC, (6:00 a.m. JST, 28 June) – The JMA reports that Typhoon Peter (09W), has weakened into a severe tropical storm.[2]
  • 00:00 UTC, 28 June (9:00 a.m. JST, 28 June) – The JMA reports that Severe Tropical Storm Peter (09W), makes landfall near Nagasaki, Japan with 10-minute sustained winds of 110 km/h (70 mph).[2][10]
28 June
  • 0700 UTC, (4:00 p.m. JST) – Sever Tropical Storm Peter makes landfall near Akō, Japan with 10-minute sustained winds of 105 km/h (65 mph).[2][10]
  • 2100 UTC, (6:00 a.m. JST, 29 June) – The JMA reports that Severe Tropical Storm Peter (09W), has become extratropical.[2]
29 June
  • 06:00 UTC, (3:00 p.m. JST) – The JTWC reports that Tropical Storm Peter (09W), has become extratropical.[10]

July

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4 July
  • 00:00 UTC, (9:00 a.m. JST) – The JTWC stops tracking the extratropical remnants of Peter.[10]
  • 00:00 UTC, (9:00 a.m. JST) – The JMA stops tracking the extratropical remnants of Peter as they cross the 180th meridian.[2]
18 July
  • 06:00 UTC, (3:00 p.m. JST) – The JMA reports that a tropical depression has formed roughly 810 km (505 mi) southwest of Guam.[2]
  • 12:00 UTC, (9:00 p.m. JST) – The JTWC designates the tropical depression southwest of Guam as Tropical Depression 10W.[11]
19 July
  • 18:00 UTC, (3:00 a.m. JST, 20 July) – The JTWC reports that Tropical Depression 10W has intensified into a tropical storm and names it "Rosie".[11]
20 July
  • 00:00 UTC, (9:00 a.m. JST) – The JMA reports that a tropical depression has formed roughly 1205 km (750 mi) southeast of Tokyo, Japan.[2]
  • 00:00 UTC, (9:00 a.m. JST) – The JMA reports that Tropical Depression Rosie (10W), has intensified into a tropical storm.[2]
  • 12:00 UTC, (9:00 p.m. JST) – The JMA reports that Tropical Storm Rosie (10W), has intensified into a severe tropical storm.[2]
21 July
  • 00:00 UTC, (9:00 a.m. JST) – The JTWC reports that Tropical Storm Rosie (10W), has intensified into a category 1 typhoon.[11]
  • 12:00 UTC, (9:00 p.m. JST) – The JMA reports that Severe Tropical Storm Rosie (10W), has intensified into a typhoon.[2]
  • 12:00 UTC, (9:00 p.m. JST) – The JTWC reports that Typhoon Rosie (10W), has intensified into a category 2 typhoon.[11]
 
Image of Typhoon Rosie (10W), at peak intensity on 23 July
22 July
  • 00:00 UTC, (9:00 a.m. JST) – The JTWC reports that Typhoon Rosie (10W), has intensified into a category 3 typhoon.[11]
  • 06:00 UTC, (3:00 p.m. JST) – The JTWC reports that Typhoon Rosie (10W), has intensified into a category 4 typhoon.[11]
  • 12:00 UTC, (9:00 p.m. JST) – The JTWC reports that Typhoon Rosie (10W), has intensified into a category 5 super typhoon. Simultaneously, they report that it has reached its peak 1-minute intensity of 260 km/h (160 mph).[11]
23 July
  • 00:00 UTC, (9:00 a.m. JST) – The JMA reports that Typhoon Rosie (10W), has reached its peak 10-minute intensity of 185 km/h (115 mph).[2]
  • 00:00 UTC, (9:00 a.m. JST) – The JTWC reports that Super Typhoon Rosie (10W), has weakened into a category 4 super typhoon.[11]
  • 18:00 UTC, (3:00 a.m. JST, 24 July) – The JTWC reports that Super Typhoon Rosie (10W), has weakened into a category 4 typhoon.[11]
24 July
  • 00:00 UTC, (9:00 a.m. JST) – The JTWC designates the tropical depression located southeast of Tokyo as Tropical Depression 11W.[12]
  • 06:00 UTC, (3:00 p.m. JST) – The JTWC reports that Typhoon Rosie (10W), has weakened into a category 3 typhoon.[11]
  • 12:00 UTC, (9:00 p.m. JST) – The JTWC reports that Typhoon Rosie (10W), has weakened into a category 2 typhoon.[11]
25 July
  • 12:00 UTC, (9:00 p.m. JST) – The JTWC reports that Typhoon Rosie (10W), has weakened into a category 1 typhoon.[11]
26 July
  • 08:00 UTC, (5:00 p.m. JST) – Typhoon Rosie (10W) makes landfall near Anan, Japan with winds of 130 km/h (80 mph).[2]
  • 11:00 UTC, (8:00 p.m. JST) – Typhoon Rosie (10W) makes landfall near Okayama, Japan with winds of 130 km/h (80 mph).[2]
  • 12:00 UTC, (9:00 p.m. JST) – The JMA reports that Typhoon Rosie (10W), has weakened into a severe tropical storm.[2]
  • 18:00 UTC, (3:00 a.m. JST, 27 July) – The JTWC reports that Typhoon Rosie (10W), has weakened into a tropical storm.[11]
27 July
  • 00:00 UTC, (9:00 a.m. JST) – The JMA reports that Severe Tropical Storm Rosie (10W), has weakened into a tropical storm.[2]
  • 06:00 UTC, (3:00 p.m. JST) – The JTWC reports that Tropical Depression 11W has intensified into a tropical storm and names it "Scott".[12]
  • 2100 UTC, (6:00 a.m. JST, 28 July) – The JMA reports that Tropical Storm Rosie (10W), has weakened into a tropical depression.[2]
 
Tracking map of Tropical Storm Scott (11W)
28 July
  • 00:00 UTC, (9:00 a.m. JST) – The JMA reports that Tropical Depression Scott (11W), has intensified into a tropical storm.[2]
  • 00:00 UTC, (9:00 a.m. JST) – The JTWC reports that Tropical Storm Rosie (10W), has weakened into a tropical depression.[11]
  • 06:00 UTC, (3:00 p.m. JST) – The JTWC reports that Tropical Depression Rosie (10W), has become extratropical.[11]
  • 12:00 UTC, (9:00 p.m. JST) – The JTWC reports that Tropical Depression 12W has formed roughly 985 km (610 mi) northwest of Guam.[13]
  • 18:00 UTC, (3:00 a.m. JST, 29 July) – The JMA reports that Tropical Storm Scott (11W), has reached its peak intensity with 10-minute sustained winds of 70 km/h (45 mph).[2]
29 July
  • 06:00 UTC, (3:00 p.m. JST) – The JTWC stops tracking the extratropical remnants of Rosie while they are located roughly 165 km (105 mi) southeast of Nagoya, Japan.[11]
  • 06:00 UTC, (3:00 p.m. JST) – The JTWC reports that Tropical Storm Scott (11W), has reached its peak intensity with 1-minute sustained winds of 105 km/h (65 mph).[12]
30 July
  • 06:00 UTC, (3:00 p.m. JST) – The JMA reports that a tropical depression has formed roughly 715 km (445 mi) northwest of Manila, Philippines.[2]
  • 18:00 UTC, (3:00 a.m. JST, 31 July) – The JTWC reports that Tropical Depression 12W has intensified into a tropical storm and names it "Tina".[13]
  • 18:00 UTC, (3:00 a.m. JST, 31 July) – The JTWC designates the tropical depression northwest of Manila as Tropical Depression 13W.[14]
31 July
  • 00:00 UTC, (9:00 a.m. JST) – The JMA reports that Tropical Depression 13W has intensified into a tropical storm.[2]
  • 06:00 UTC, (3:00 p.m. JST) – The JMA reports that Tropical Depression Rosie (10W), has dissipated while located roughly 330 km (205 mi) south of Osaka, Japan.[2]
  • 06:00 UTC, (3:00 p.m. JST) – The JMA reports that Tropical Depression Tina (12W), has intensified into a tropical storm.[2]
  • 12:00 UTC, (9:00 p.m. JST) – The JTWC reports that Tropical Depression 13W has intensified into a tropical storm and names it "Victor".[14]

August

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1 August
  • 00:00 UTC, (9:00 a.m. JST) – The JMA reports that Tropical Storm Victor (13W), has intensified into a severe tropical storm.[2]
  • 12:00 UTC, (9:00 p.m. JST) – The JMA reports that Severe Tropical Storm Victor (13W), has reached its peak intensity with 10-minute sustained winds of 115 km/h (70 mph).[2]
2 August
  • 00:00 UTC, (9:00 a.m. JST) – The JMA reports that Tropical Storm Tina (12W), has intensified into a severe tropical storm.[2]
  • 12:00 UTC, (9:00 p.m. JST) – The JMA reports that Tropical Storm Scott (11W), has weakened into a tropical depression.[2]
  • 12:00 UTC, (9:00 p.m. JST) – The JTWC reports that Tropical Storm Victor (13W), has intensified into a category 1 typhoon. Simultaneously, they report that the storm has reached its peak intensity with 1-minute sustained winds of 120 km/h (75 mph).[14]
  • 18:00 UTC, (3:00 a.m. JST, 3 August) – The JTWC reports that Tropical Storm Scott (11W), has become extratropical while located roughly 1430 km (890 mi) northwest of Midway Atoll. Simultaneously, they stop tracking the system.[12]
  • 18:00 UTC, (3:00 a.m. JST, 3 August) – Severe Tropical Storm Victor (13W), makes landfall near Hong Kong with 10-minute sustained winds of 105 km/h (65 mph).[2]
  • 1800 UTC, (3:00 a.m. JST, August 3) – The JTWC reports that Typhoon Victor (13W), has weakened into a tropical storm.[14]
3 August
  • 00:00 UTC, (9:00 a.m. JST) – The JMA reports that Tropical Depression Scott (11W), has become extratropical.[2]
  • 00:00 UTC, (9:00 a.m. JST) – The JMA reports that Severe Tropical Storm Victor (13W), has weakened into a tropical storm.[2]
  • 03:00 UTC, (12:00 p.m. JST) – The JMA reports that Tropical Storm Victor (13W), has weakened into a tropical depression.[2]
  • 06:00 UTC, (3:00 p.m. JST) – The JMA stops tracking the extratropical remnants of Scott (11W), as they cross the 180th meridian.[2]
  • 06:00 UTC, (3:00 p.m. JST) – The JTWC reports that Tropical Storm Victor (13W), has weakened into a tropical depression.[14]
  • 12:00 UTC, (9:00 p.m. JST) – The JTWC reports that Tropical Storm Tina (12W), has intensified into a category 1 typhoon.[13]
  • 18:00 UTC, (3:00 a.m. JST, August 4) – The JTWC reports that Tropical Depression Victor (13W), has weakened into an area of low pressure.[14]
4 August
  • 00:00 UTC, (9:00 a.m. JST) – The JMA reports that Severe Tropical Storm Tina (12W), has intensified into a typhoon.[2]
  • 00:00 UTC, (9:00 a.m. JST) – The JMA reports that Tropical Storm Victor (13W), has dissipated while located over eastern Hubei province, China.[2]
 
Image of Typhoon Tina (12W) on 5 August
  • 00:00 UTC, (9:00 a.m. JST) – The JTWC reports that the remnants of Victor (13W), have dissipated over eastern Hubei province, China.[14]
5 August
  • 00:00 UTC, (9:00 a.m. JST) – The JTWC reports that Typhoon Tina (12W), has intensified into a category 2 typhoon.[13]
  • 06:00 UTC, (3:00 p.m. JST) – The JTWC reports that Typhoon Tina (12W), has reached its peak intensity with 1-minute sustained winds of 170 km/h (105 mph).[13]
6 August
  • 00:00 UTC, (9:00 a.m. JST) – The JMA reports that Typhoon Tina (12W), has reached its peak intensity with 10-minute sustained winds of 135 km/h (85 mph).[2]
7 August
  • 00:00 UTC, (9:00 a.m. JST) – The JTWC reports that Typhoon Tina (12W), has weakened into a category 1 typhoon.[13]
8 August
  • 06:00 UTC, (3:00 p.m. JST) – The JTWC reports that Typhoon Tina (12W), has weakened into a tropical storm.[13]
  • 12:00 UTC, (9:00 p.m. JST) – The JMA reports that Typhoon Tina (12W), has weakened into a severe tropical storm.[2]
  • 22:00 UTC, (7:00 a.m. JST, 9 August) – Severe Tropical Storm Tina (12W), makes landfall near Busan, South Korea with winds of 95 km/h (60 mph).[2][4]
9 August
  • 03:00 UTC, (12:00 p.m. JST) – The JMA reports that Severe Tropical Storm Tina (12W), has weakened into a tropical storm.[2]
  • 09:00 UTC, (6:00 p.m. JST) – The JMA reports that Tropical Storm Tina (12W), has become extratropical.[2]
  • 18:00 UTC, (3:00 a.m. JST, 10 August) – The JTWC reports that Tropical Storm Tina (12W), has become extratropical.[13]
10 August
  • 00:00 UTC, (9:00 a.m. JST) – The JTWC reports that the extratropical remnants of Tina (12W) have dissipated while located roughly 65 km (40 mi) southeast of Sapporo, Japan.[13]
  • 18:00 UTC, (3:00 a.m. JST, 11 August) – The JMA stops tracking the extratropical remnants of Tina (12W) while they are roughly located 1690 km (1050 mi) northeast of Tokyo, Japan.[2]

September

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October

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November

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December

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Notes

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References

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  1. ^ a b c d e f g h i j k l m n o p q "JTWC Best Track for Super Typhoon 02W (Isa)". Joint Typhoon Warning Center. Retrieved 25 June 2013.
  2. ^ a b c d e f g h i j k l m n o p q r s t u v w x y z aa ab ac ad ae af ag ah ai aj ak al am an ao ap aq ar as at au av aw ax ay az ba bb bc bd be bf bg bh bi bj bk bl bm bn bo bp bq br bs bt bu bv bw bx by bz ca cb cc cd ce cf cg ch ci cj ck cl cm cn co Japan Meteorological Agency (1997). "1997 Western Pacific Best Track". Archived from the original on 29 September 2007. Retrieved 24 June 2013.
  3. ^ a b c d e "JTWC Best Track for Tropical Storm 03W (Jimmy)". Joint Typhoon Warning Center. Retrieved 24 June 2013.
  4. ^ a b c "1997 Annual Tropical Cyclone Report" (PDF). Joint Typhoon Warning Center. Retrieved 24 June 2013.
  5. ^ a b c d e f "JTWC Best Track for Tropical Storm 04W (Kelly)". Joint Typhoon Warning Center. 14 September 2015.
  6. ^ a b c d e f g "JTWC Best Track for Tropical Storm 05W (Levi)". Joint Typhoon Warning Center. 14 September 2015.
  7. ^ a b c d e f g h i "JTWC Best Track for Typhoon 06W (Marie)". Joint Typhoon Warning Center. Retrieved 25 June 2013.
  8. ^ a b c d e f g h i j k l m n o "JTWC Best Track for Super Typhoon 07W (Nestor)". Joint Typhoon Warning Center. Retrieved 25 June 2013.
  9. ^ a b c d e f g "JTWC Best Track for Typhoon 08W (Opal)". Joint Typhoon Warning Center. Retrieved 26 June 2013.
  10. ^ a b c d e f g h i j "JTWC Best Track for Typhoon 09W (Peter)". Joint Typhoon Warning Center. Retrieved 26 June 2013.
  11. ^ a b c d e f g h i j k l m n o p "JTWC Best Track for Super Typhoon 10W (Rosie)". Joint Typhoon Warning Center. Retrieved 10 May 2015.
  12. ^ a b c d "JTWC Best Track Data for Tropical Storm 11W (Scott)". Joint Typhoon Warning Center. Retrieved 10 May 2015.
  13. ^ a b c d e f g h i "JTWC Best Track Data for Typhoon 12W (Tina)". Joint Typhoon Warning Center. Retrieved 10 May 2015.
  14. ^ a b c d e f g "JTWC Best Track Data for Typhoon 13W (Victor)". Joint Typhoon Warning Center. Retrieved 14 September 2015.