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1971 Pacific typhoon season

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1971 Pacific typhoon season
Season summary map
Seasonal boundaries
First system formedJanuary 7, 1971
Last system dissipatedDecember 29, 1971
Strongest storm
NameIrma
 • Maximum winds285 km/h (180 mph)
(1-minute sustained)
 • Lowest pressure884 hPa (mbar)
Seasonal statistics
Total depressions70
Total storms35
Typhoons24
Super typhoons6 (unofficial)
Total fatalitiesAt least 617 total
Total damage$57.7 million (1971 USD)
Related articles
Pacific typhoon seasons
1969, 1970, 1971, 1972, 1973

The 1971 Pacific typhoon season was an extremely active season that featured the second highest typhoon count on record. It has no official bounds; it ran year-round in 1971, but most tropical cyclones tend to form in the northwestern Pacific Ocean between June and December. These dates conventionally delimit the period of each year when most tropical cyclones form in the northwestern Pacific Ocean.

The scope of this article is limited to the Pacific Ocean, north of the equator and west of the International Date Line. Storms that form east of the date line and north of the equator are called hurricanes; see 1971 Pacific hurricane season. Tropical Storms formed in the entire west pacific basin were assigned a name by the Joint Typhoon Warning Center. Tropical depressions in this basin have the "W" suffix added to their number. Tropical depressions that enter or form in the Philippine area of responsibility are assigned a name by the Philippine Weather Bureau, which would later be reformed into the Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA) the following year. This can often result in the same storm having two names.

Seasonal summary

[edit]
Typhoon Hester (1971)Typhoon Rose (1971)Typhoon Olive (1971)


Most storms in a singular Pacific typhoon season (1955-present)
Year Tropical storms Typhoons
Typhoons Super typhoons
1964 39 26 (record high) 7
1994 36 20 6
1971 35 24 6
1965 35 21 11 (record high; tied with 1997)
1961 35 20 8
1967 35 20 5
1989 32 20 5
1974 32 16 0 (record low)
1992 31 16 5
1955 31 20 4
2013 31 13 5
Note: Data begins at the year 1955 due to earlier data being increasingly unreliable. Totals for tropical storms and typhoons after 1964 are from the Japan Meteorological Agency, and totals for the unofficial super typhoon category are from the Joint Typhoon Warning Center.

According to the United States Joint Typhoon Warning Center, the 1971 season was the most active season since 1967, with a total of 35 tropical storms being monitored by them during the year.[1] In addition to the 35 tropical storms, the Japan Meteorological Agency considered Tropical Depression 25W to be an additional tropical storm, which was only classified as a tropical depression by the JTWC.[2]

Systems

[edit]

Severe Tropical Storm Sarah

[edit]
Severe tropical storm (JMA)
Tropical storm (SSHWS)
 
DurationJanuary 8 – January 11
Peak intensity95 km/h (60 mph) (1-min);
990 hPa (mbar)

During January 8, the JMA started to monitor a tropical depression that had developed, about 500 km (310 mi) to the east of Ngerulmud, Palau.[3] Over the next day the system gradually developed further as it moved north-westwards, before it was classified as a tropical storm and named Sarah by the JTWC, after a US Navy plane had found an organised system.[3][4] The system subsequently recurved north-eastwards, before it was classified as a Severe Tropical Storm by the JMA during January 10.[5] During that day, the JTWC reported that the system had peaked, with 1-minute sustained wind-speeds of 95 km/h (60 mph).[4] Over the next day, the system quickly weakened and became an extratropical cyclone during January 11.[4] Sarah's extratropical remnants were subsequently tracked as they moved north-eastwards, until it made landfall on Canada and broke up over the mountains of British Columbia during January 17.[4]

Tropical Storm Thelma (Bebeng)

[edit]
Tropical storm (JMA)
Tropical storm (SSHWS)
 
DurationMarch 16 – March 21
Peak intensity85 km/h (50 mph) (1-min);
994 hPa (mbar)

On March 16, a tropical depression formed to the south of Guam. It immediately entered the Philippine Area of Responsibility, earning the local name Bebeng. It executed a small loop to the east of Mindanao before it traveled to the northwest. It exited the Area of Responsibility as a tropical storm before transitioning to an extratropical storm, southwest of Minami-Tori-shima. The extratropical storm weakened and dissipated on March 21, to the south-southeast of Japan.

Typhoon Vera (Karing)

[edit]
Typhoon (JMA)
Category 2-equivalent typhoon (SSHWS)
 
DurationApril 6 – April 19
Peak intensity165 km/h (105 mph) (1-min);
965 hPa (mbar)

Typhoon Wanda (Diding)

[edit]
Typhoon (JMA)
Category 1-equivalent typhoon (SSHWS)
 
DurationApril 22 – May 5
Peak intensity140 km/h (85 mph) (1-min);
980 hPa (mbar)

On April 23 Tropical Storm Wanda began its life to the east of the Philippines. It tracked over the archipelago, and emerged into the South China Sea on the 25th. It turned to the northwest, and became a typhoon on May 1 just off the coast of South Vietnam. The westerlies brought Wanda to the north and northeast, where it weakened until dissipating on the 4th near Hainan Island.

The storm caused 56 deaths (with 14 missing) and $700,000 in damage (1971 USD) from the heavy flooding across the Philippines.[6] While Wanda brushed the coast of Vietnam, the United States Army grounded most aircraft in northern areas and skirmishes related to the Vietnam War temporarily decreased until the storm passed by.[7] In Quảng Ngãi Province, 23 people were killed.[8]

Typhoon Amy

[edit]
Typhoon (JMA)
Category 5-equivalent super typhoon (SSHWS)
 
DurationApril 27 – May 7
Peak intensity280 km/h (175 mph) (1-min);
890 hPa (mbar)

According to the JTWC best track, Amy was first noted as a tropical depression early on April 29. Amy reached tropical storm status shortly afterwards, and became a typhoon by early on May 1. The cyclone then rapidly intensified into a Category 5 super typhoon with 1-minute sustained winds of 280 km/h (175 mph) on May 2, with the JMA estimating a minimum central pressure of 890 mb (hPa; 26.28 inHg),[9] although the JTWC estimated a slightly higher pressure of 895 mbar (hPa; 26.43 inHg), while noting a compact eye 10 nautical miles across.[10] Although Amy weakened to a Category 4 super typhoon on May 3, it regained Category 5 intensity later that day, with 1-minute sustained winds of 260 km/h (160 mph) and a central pressure of 900 mb (hPa; 26.58 inHg). The storm began to weaken by May 4 and was last noted as producing tropical-storm force winds on May 7,[11] after which Amy was absorbed by a frontal system.[10]

In deepening to 890 mb, Amy became the most intense typhoon on record in May.[12][13] On Truk Atoll, now known as Chuuk Atoll, one person was killed after a coconut tree fell on him.[14] On May 18, the Federated States of Micronesia was declared a disaster area by the Federal Emergency Management Agency.[15] The weather station and over 2,250 homes were destroyed on Namonuito Atoll.[10]

Severe Tropical Storm Babe (Etang)

[edit]
Severe tropical storm (JMA)
Tropical storm (SSHWS)
 
DurationMay 2 – May 7
Peak intensity100 km/h (65 mph) (1-min);
990 hPa (mbar)

Severe Tropical Storm Carla (Gening)

[edit]
Severe tropical storm (JMA)
Tropical storm (SSHWS)
 
DurationMay 17 – May 23
Peak intensity95 km/h (60 mph) (1-min);
995 hPa (mbar)

Typhoon Dinah (Herming)

[edit]
Typhoon (JMA)
Category 2-equivalent typhoon (SSHWS)
 
DurationMay 23 – May 31
Peak intensity165 km/h (105 mph) (1-min);
960 hPa (mbar)

Across the Philippines, 13 people were killed and another 14 were reported missing. Total damage in the country reached ₱4 million.[6]

Tropical Storm Emma (Ising)

[edit]
Tropical storm (JMA)
Tropical storm (SSHWS)
 
DurationMay 27 – June 3
Peak intensity65 km/h (40 mph) (1-min);
1000 hPa (mbar)

Typhoon Freda (Luding)

[edit]
Typhoon (JMA)
Category 1-equivalent typhoon (SSHWS)
 
DurationJune 9 – June 19
Peak intensity140 km/h (85 mph) (1-min);
980 hPa (mbar)

Typhoon Gilda (Mameng)

[edit]
Typhoon (JMA)
Category 2-equivalent typhoon (SSHWS)
 
DurationJune 22 – June 28
Peak intensity165 km/h (105 mph) (1-min);
975 hPa (mbar)

One person was killed and damage reached ₱8 million across the Philippines.[6]

Typhoon Harriet (Neneng)

[edit]
Typhoon (JMA)
Category 4-equivalent typhoon (SSHWS)
 
DurationJune 30 – July 8
Peak intensity230 km/h (145 mph) (1-min);
925 hPa (mbar)

Across the Philippines, Harriet was responsible for one fatality.[16]

Striking near the demilitarized zone between North and South Vietnam as a powerful typhoon, Harriet caused significant disruptions to the Vietnam War. Military operations on both sides were temporarily halted, with all United States helicopters grounded. Ground movement was severely limited as well. Despite the intensity of the storm, damage was relatively light, with Camp Eagle reporting some roofs blown off from 120 km/h (75 mph) winds.[17] In Đà Nẵng, between 8 and 10 in (200 and 250 mm) of rain fell and strong winds knocked out power to the area.[18] A 24‑hour maximum rainfall of 10.16 in (258 mm) was measured in Camp Evans. Throughout Vietnam, four people were killed and fourteen others were reported missing. Thừa Thiên Province sustained the most significant damage, with 2,500 homes damaged or destroyed.[16]

Severe Tropical Storm Ivy

[edit]
Severe tropical storm (JMA)
Tropical storm (SSHWS)
 
DurationJuly 4 – July 8
Peak intensity110 km/h (70 mph) (1-min);
990 hPa (mbar)

Ivy struck Tokyo and caused floods remaining a tropical storm before moving out into open ocean and weakening to a extratropical storm. Ivy later dissipated

Spawned a multi vortex killer tornado that struck Omiya City while damaging many homes and buildings, the tornado killed 1 and injured 11 and it was rated as F3.[19]

Severe Tropical Storm Kim (Oniang)

[edit]
Severe tropical storm (JMA)
Tropical storm (SSHWS)
 
DurationJuly 8 – July 14
Peak intensity95 km/h (60 mph) (1-min);
980 hPa (mbar)

Typhoon Jean (Pepang)

[edit]
Typhoon (JMA)
Category 2-equivalent typhoon (SSHWS)
 
DurationJuly 8 – July 19
Peak intensity155 km/h (100 mph) (1-min);
975 hPa (mbar)

Typhoon Lucy (Rosing)

[edit]
Typhoon (JMA)
Category 4 super typhoon (SSHWS)
 
DurationJuly 13 – July 24
Peak intensity240 km/h (150 mph) (1-min);
910 hPa (mbar)

The strongest typhoon to strike the Philippines that year, this cyclone moved towards the region from the Marianas as a slow pace. Gusty southwest winds impacted western portions of Visayas and Luzon, including Manila, as the cyclone passed by on the 21st. The highest winds recorded were 190 kilometres per hour (100 kn) at Basco in Batanes. Heavy rains caused by the strong onshore flow led to heavy rains, which peaked at 379.5 millimetres (14.94 in) at Baguio City within 24 hours. The heavy rains led to severe flooding and landslides in north-central sections of the Philippines.[20]

Typhoon Mary

[edit]
Typhoon (JMA)
Category 1-equivalent typhoon (SSHWS)
 
DurationJuly 16 – July 21
Peak intensity150 km/h (90 mph) (1-min);
975 hPa (mbar)

Typhoon Nadine (Sisang)

[edit]
Typhoon (JMA)
Category 5-equivalent super typhoon (SSHWS)
 
DurationJuly 19 – July 27
Peak intensity280 km/h (175 mph) (1-min);
900 hPa (mbar)

Typhoon Nadine, which formed on July 20, rapidly intensified to a peak of 175 mph (282 km/h) on the 24th. It weakened slightly as it continued its northwest movement, and struck eastern Taiwan on the 25th with winds of over 100 mph (200 km/h). Nadine dissipated the next day over China, after causing 28 deaths (with 25 missing) and heavy damage on Taiwan from the flooding. Nadine also caused the crash of a Pan American cargo aircraft, killing all four people in the crew.[citation needed]

Typhoon Olive

[edit]
Main article: Typhoon Olive (1971)
Typhoon (JMA)
Category 2-equivalent typhoon (SSHWS)
 
DurationJuly 24 – August 7
Peak intensity155 km/h (100 mph) (1-min);
935 hPa (mbar)

85 mph (137 km/h) Typhoon Olive, which developed on July 29 from the near equatorial trough, hit southwestern Japan on August 4. It continued northward, and became extratropical in the Sea of Japan. Olive's heavy rains resulted in numerous mudslides, killing 69 people. It disrupted the Boy Scout XIII World Jamboree, being held in Japan.

Severe Tropical Storm Polly (Trining)

[edit]
Severe tropical storm (JMA)
Tropical storm (SSHWS)
 
DurationAugust 3 – August 11
Peak intensity75 km/h (45 mph) (1-min);
980 hPa (mbar)

Typhoon Rose (Uring)

[edit]
Typhoon (JMA)
Category 4-equivalent typhoon (SSHWS)
 
DurationAugust 6 – August 17
Peak intensity220 km/h (140 mph) (1-min);
960 hPa (mbar)
Main article: Typhoon Rose (1971)

A small circulation near Chuuk organized into Tropical Storm Rose on August 10. An extremely small cyclone with a wind field of 150 nautical miles (280 km) across, Rose quickly strengthened, and became a typhoon later that day. It briefly weakened to a tropical storm on the 11th, but restrengthened to a typhoon as it continued westward. On August 13, Typhoon Rose made landfall on Palanan, Isabela with winds of 130 mph (210 km/h). It weakened to a minimal typhoon over the mountainous terrain, but after reemerging in the South China Sea, Rose rapidly intensified, and peaked at 140 mph (230 km/h) winds on the 16th. As it approached the coast of Hong Kong, the inflow became disrupted, but Rose still hit as a 100 mph (200 km/h) typhoon on the 16th. The typhoon dissipated the next day, after causing 130 deaths in Hong Kong and leaving 5,600 people homeless. A Macao ferry was capsized, resulting in the loss of its 88-person crew.

Typhoon Shirley

[edit]
Typhoon (JMA)
Category 2-equivalent typhoon (SSHWS)
 
DurationAugust 10 – August 17
Peak intensity165 km/h (105 mph) (1-min);
955 hPa (mbar)

Typhoon Trix

[edit]
Typhoon (JMA)
Category 3-equivalent typhoon (SSHWS)
 
DurationAugust 19 – September 1
Peak intensity185 km/h (115 mph) (1-min);
915 hPa (mbar)

An upper-level low contributed to the birth of Tropical Storm Trix on August 20. After drifting northward, the storm turned to the west in response to the building of the subtropical ridge. Trix slowly strengthened after becoming a typhoon on the 21st, and reached a peak of 115 mph (185 km/h) winds on the 28th. Trix recurved, and struck southwestern Japan on the 29th as a 95 mph (153 km/h) typhoon. It accelerated to the northeast, and became extratropical on the 30th. Just weeks after Typhoon Olive, Trix dropped more heavy rain to the country, in one case as much as 43 inches (1,100 mm) of rain. Trix caused 44 deaths, with heavy crop damage amounting to $50.6 million.

Tropical Storm 25W

[edit]
Tropical storm (JMA)
Tropical depression (SSHWS)
 
DurationAugust 23 – August 29
Peak intensity55 km/h (35 mph) (1-min);
992 hPa (mbar)

Typhoon Virginia

[edit]
Typhoon (JMA)
Category 3-equivalent typhoon (SSHWS)
 
DurationSeptember 1 – September 8
Peak intensity185 km/h (115 mph) (1-min);
955 hPa (mbar)

Within one month of Typhoons Trix and Olive, Typhoon Virginia came up the Japanese coast with winds of 80 mph (130 km/h). It became extratropical on September 7 just east of Japan, after dropping more heavy rain causing 56 casualties from numerous landslides.

Typhoon Wendy

[edit]
Typhoon (JMA)
Category 5-equivalent super typhoon (SSHWS)
 
DurationSeptember 4 – September 13
Peak intensity260 km/h (160 mph) (1-min);
915 hPa (mbar)

Tropical Depression 28W

[edit]
Tropical depression (JMA)
Tropical depression (SSHWS)
 
DurationSeptember 13 – September 15
Peak intensity45 km/h (30 mph) (1-min);
996 hPa (mbar)

Typhoon Agnes (Warling)

[edit]
Typhoon (JMA)
Category 1-equivalent typhoon (SSHWS)
 
DurationSeptember 10 – September 19
Peak intensity140 km/h (85 mph) (1-min);
975 hPa (mbar)

Typhoon Bess (Yayang)

[edit]
Typhoon (JMA)
Category 5-equivalent super typhoon (SSHWS)
 
DurationSeptember 16 – September 23
Peak intensity260 km/h (160 mph) (1-min);
905 hPa (mbar)

Super Typhoon Bess, having peaked at 160 mph (260 km/h) on July 5, tracked west-northwestward. The typhoon weakened as it continued its movement, and struck eastern Taiwan on the 22nd as a 130 mph (210 km/h) typhoon. It rapidly weakened over the country, and dissipated on the 10th over China. The typhoon caused heavy flooding, resulting in 32 deaths and moderate crop damage.[citation needed]

Severe Tropical Storm Carmen

[edit]
Severe tropical storm (JMA)
Tropical storm (SSHWS)
 
DurationSeptember 22 – September 26
Peak intensity95 km/h (60 mph) (1-min);
990 hPa (mbar)

Typhoon Della (Ading)

[edit]
Typhoon (JMA)
Category 1-equivalent typhoon (SSHWS)
 
DurationSeptember 24 – October 1
Peak intensity130 km/h (80 mph) (1-min);
980 hPa (mbar)

Typhoon Elaine (Barang)

[edit]
Typhoon (JMA)
Category 3-equivalent typhoon (SSHWS)
 
DurationOctober 1 – October 9
Peak intensity185 km/h (115 mph) (1-min);
965 hPa (mbar)

Severe Tropical Storm Faye-Gloria (Krising-Dadang)

[edit]
Severe tropical storm (JMA)
Category 1-equivalent typhoon (SSHWS)
 
DurationOctober 4 – October 15
Peak intensity120 km/h (75 mph) (1-min);
985 hPa (mbar)

A tropical disturbance east of the Marianas Islands developed into Tropical Storm Faye on October 4. After peaking at 75 mph (121 km/h) on the 5th, Faye became very disorganized, and weakened to a tropical depression on the 7th. At this time, there were several circulations, so it is possible that Faye was absorbed by another disturbance to its south. Regardless, the storm re-organized as it approached the Philippines. Faye crossed the islands on the 10th as a minimal tropical storm, and again became a typhoon in the South China Sea on the 11th. Steering currents became weak, and a northwest flow forced Faye southeastward back into the Philippines. Faye crossed the islands on the 12th, and dissipated on the 13th, after causing torrential rainfall killing 13 people with 80 missing.[6]

Typhoon Hester (Goying)

[edit]
Typhoon (JMA)
Category 2-equivalent typhoon (SSHWS)
 
DurationOctober 18 – October 24
Peak intensity165 km/h (105 mph) (1-min);
970 hPa (mbar)
Main article: Typhoon Hester (1971)

Developing as a tropical depression on October 18 near Palau Island, Hester gradually intensified as it moved westward towards the Philippines.[21][22] Across the Philippines, Hester was responsible for six deaths and ₱5 million in damage.[6] After passing over Mindanao and the Visayas as a tropical storm between October 20 and 21, the storm intensified into a typhoon before striking Palawan. Once over the South China Sea, Hester further strengthened and ultimately attained peak winds of 165 km/h (105 mph). On October 23, the storm made landfall near Huế, South Vietnam. Once onshore, Hester rapidly weakened and dissipated on October 24 over Laos.[21][22]

The most significant impact from Typhoon Hester was felt in South Vietnam were winds in excess of 155 km/h (100 mph) caused extensive damage to several United States Army bases. The hardest hit base was in Chu Lai where three Americans were killed. At least 75 percent of the structures in the base sustained damage and 123 aircraft were damaged or destroyed.[21] Newspaper reports indicated that 100 Vietnamese lost their lives due to the storm, including 33 following a plane crash near Quy Nhơn.[23][24] In the wake of the storm, the South Vietnamese government provided the hardest hit areas with relief funds and supplies.[24]

Tropical Depression Hobing

[edit]
Tropical depression (PAGASA)
 
DurationNovember 4 – November 5
Peak intensity55 km/h (35 mph) (10-min);
1001 hPa (mbar)

Typhoon Irma (Ining)

[edit]
Typhoon (JMA)
Category 5-equivalent super typhoon (SSHWS)
 
DurationNovember 7 – November 16
Peak intensity285 km/h (180 mph) (1-min);
884 hPa (mbar)

The strongest typhoon of the season, Irma, reached a peak intensity of 180 mph (290 km/h) on November 11. It remained at sea, affecting only shipping and causing minor damage to the islands of the West Pacific. At the time, the typhoon held the record for the fastest intensification in a 24‑hour period, deepening from 980 mbar to 884 mbar but it was beaten by Typhoon Forrest of 1983.[25]

Severe Tropical Storm Judy

[edit]
Severe tropical storm (JMA)
Tropical storm (SSHWS)
 
DurationNovember 15 – November 19
Peak intensity85 km/h (50 mph) (1-min);
1000 hPa (mbar)

Other systems

[edit]

Between January 7 and 8, PAGASA monitored Tropical Depression Auring.[26] In addition to the storms listed above, the China Meteorological Agency also monitored several other tropical cyclones, including one tropical storm and two severe tropical storms.

  • April 3 – 7, 55 km/h (35 mph) 1008 mbar (hPa; 29.77 inHg)[27]
  • May 16 – 19, 55 km/h (35 mph) 1005 mbar (hPa; 29.68 inHg)[28]
  • June 13 – 17, 55 km/h (35 mph) 996 mbar (hPa; 29.42 inHg)[29]
  • July 20 – 21, 75 km/h (45 mph) 990 mbar (hPa; 29.24 inHg). The CMA reported this storm as a secondary system over the Taiwan Strait related to Super Typhoon Lucy.[30]
  • August 8 – 10, 45 km/h (30 mph) 995 mbar (hPa; 29.39 inHg)[31]
  • August 28 – September 1, 55 km/h (35 mph) 1002 mbar (hPa; 29.59 inHg)[32]
  • September 12 – 15, 45 km/h (30 mph) 1000 mbar (hPa; 29.53 inHg)[33]
  • September 13 – 17, 55 km/h (35 mph) 996 mbar (hPa; 29.42 inHg)[34]
  • September 25 – 30, 55 km/h (35 mph) 1001 mbar (hPa; 29.56 inHg)[35]
  • October 5 – 7, 95 km/h (60 mph) 1002 mbar (hPa; 29.59 inHg)[36]
  • October 10 – 17, 110 km/h (70 mph) 988 mbar (hPa; 29.18 inHg)[37]
  • November 4 – 8, 55 km/h (35 mph) 1002 mbar (hPa; 29.59 inHg)[38]
  • November 5 – 8, 45 km/h (30 mph) 1006 mbar (hPa; 29.71 inHg)[39]
  • November 20 – 24, 55 km/h (35 mph) 1006 mbar (hPa; 29.71 inHg)[40]
  • November 27 – 30, 55 km/h (35 mph) 1002 mbar (hPa; 29.59 inHg)[41]
  • December 27 – 30, 45 km/h (30 mph) 1005 mbar (hPa; 29.68 inHg)[42]

Furthermore, there were two other systems listed within the International Best Tracks Database: one tropical depression and one tropical storm.

  • June 11– 12, 45 km/h (30 mph)[43]
  • September 12– 14, 65 km/h (40 mph)[44]

Season effects

[edit]

This is a table of all of the storms that have formed in the 1971 Pacific typhoon season. It includes their duration, names, affected areas, damages, and death totals. Deaths in parentheses are additional and indirect (an example of an indirect death would be a traffic accident), but were still related to that storm. Damage and deaths include totals while the storm was extratropical, a wave, or a low, and all of the damage figures are in 1971 USD. Names listed in parentheses were assigned by PAGASA.

Name Dates active Peak classification Pressure Land areas affected Damage
(USD) 		Deaths Refs
Auring January 7 – 8 Tropical depression Not specified None None None
Sarah January 8 – 11 Severe tropical storm 990 hPa (29.23 inHg) None None None
TD February 9 – 11 Tropical depression 1006 hPa (29.71 inHg) Philippines None None
Thelma (Bebeng) March 16 – 21 Tropical storm 994 hPa (29.35 inHg) None None None
TD April 4 – 5 Tropical depression 1006 hPa (29.71 inHg) None None None
Vera (Karing) April 6 – 19 Typhoon 965 hPa (28.50 inHg) None None None
Wanda (Diding) April 22 – May 5 Typhoon 980 hPa (28.94 inHg) Philippines, South Vietnam, Southern China >$700,000 79
TD April 25 – 28 Tropical depression 1004 hPa (29.65 inHg) None None None
TD April 28 – May 1 Tropical depression 997 hPa (29.44 inHg) None None None
TD April 30 Tropical depression 1006 hPa (29.71 inHg) None None None
Amy April 27 – May 7 Typhoon 890 hPa (26.28 inHg) Micronesia, Mariana Islands $6.4 million 1
Babe (Etang) May 2 – 7 Severe tropical storm 990 hPa (29.23 inHg) Philippines None None
TD May 14 – 16 Tropical depression 1006 hPa (29.71 inHg) None None None
TD May 16 – 19 Tropical depression 1004 hPa (29.65 inHg) None None None
Carla (Gening) May 17 – 23 Severe tropical storm 995 hPa (29.38 inHg) Philippines None None
Dinah (Herming) May 23 – 31 Typhoon 960 hPa (28.35 inHg) Philippines, Southern China Unknown 13
Emma (Ising) May 27 – June 3 Tropical storm 1000 hPa (29.53 inHg) Philippines None None
Freda (Luding) June 9 – 19 Typhoon 980 hPa (28.94 inHg) Philippines, Taiwan, Southeastern China Unknown 7
TD June 12 – 17 Tropical depression 1000 hPa (29.53 inHg) None None None
TD June 14 – 14 Tropical depression 1008 hPa (29.77 inHg) None None None
Gilda (Mameng) June 22 – 28 Typhoon 975 hPa (28.79 inHg) Philippines, Southern China Unknown 1
Harriet (Neneng) June 30 – July 8 Typhoon 925 hPa (27.32 inHg) Philippines, North Vietnam, South Vietnam Unknown 5
Ivy July 4 – 8 Severe tropical storm 990 hPa (29.23 inHg) Japan Unknown 1
Kim (Oniang) July 8 – 14 Severe tropical storm 980 hPa (28.94 inHg) Philippines, Southern China, North Vietnam Unknown None
Jean (Pepang) July 8 – 19 Typhoon 975 hPa (28.79 inHg) Philippines, Southern China, North Vietnam, Laos Unknown None
Lucy (Rosing) July 13 – 24 Typhoon 910 hPa (26.87 inHg) Philippines, Taiwan, China, Unknown 2
Mary July 16 – 21 Typhoon 975 hPa (28.79 inHg) None None None
Nadine (Sisang) July 19 – 27 Typhoon 900 hPa (26.58 inHg) Mariana Islands, Philippines, Taiwan, China Unknown 32
Olive July 24 – August 7 Typhoon 935 hPa (27.61 inHg) Japan Unknown 69
Polly (Trining) August 3 – 11 Severe tropical storm 980 hPa (28.94 inHg) China Unknown None
TD August 7 Tropical depression 1008 hPa (29.77 inHg) None None None
TD August 8 – 11 Tropical depression 1000 hPa (29.53 inHg) None None None
Rose (Uring) August 6 – 17 Typhoon 960 hPa (28.35 inHg) Philippines, China Unknown 130
Shirley August 10 – 17 Typhoon 955 hPa (28.20 inHg) None None None
Trix August 19 –September 1 Typhoon 955 hPa (27.02 inHg) Japan $50.6 million 45
25W August 23 – 29 Tropical storm 992 hPa (29.29 inHg) None None None
TD August 27 – 31 Tropical depression 1002 hPa (29.59 inHg) None None None
TD August 30 Tropical depression 1010 hPa (29.83 inHg) None None None
Virginia September 1 – 8 Typhoon 955 hPa (28.20 inHg) Japan Unknown 56
TD September 4 Tropical depression 1008 hPa (29.77 inHg) None None None
Wendy September 4 – 13 Typhoon 915 hPa (27.02 inHg) Wake Island Unknown None
TD September 6 – 8 Tropical depression 1006 hPa (29.71 inHg) None None None
TD September 9 – 11 Tropical depression 1000 hPa (29.53 inHg) None None None
TD September 12 – 15 Tropical depression 1000 hPa (29.53 inHg) None None None
28W September 13 – 15 Tropical depression 996 hPa (29.41 inHg) None None None
TD September 14 Tropical depression 1004 hPa (29.65 inHg) None None None
Agnes (Warling) September 10 – 19 Typhoon 975 hPa (28.79 inHg) Taiwan, China Unknown 1
Bess (Yayang) September 16 – 23 Typhoon 905 hPa (26.72 inHg) Ryukyu Islands, Taiwan, China Unknown 32
Carmen September 22 – 26 Severe tropical storm 990 hPa (29.23 inHg) Japan Unknown 20
TD September 24 – 29 Tropical depression 1002 hPa (29.59 inHg) None None None
Della (Ading) September 24 –October 1 Typhoon 980 hPa (28.94 inHg) Philippines, Southern China, North Vietnam, Laos Unknown None
Elaine (Barang) October 1 – 9 Typhoon 965 hPa (28.50 inHg) Philippines, Southern China, North Vietnam Unknown 29
Faye (Krising) October 4 – 15 Severe tropical storm 985 hPa (29.09 inHg) Philippines Unknown 13
TD October 6 – 7 Tropical depression 1003 hPa (29.62 inHg) None None None
TD October 7 – 8 Tropical depression 1000 hPa (29.53 inHg) None None None
Thirty-three October 11 – 14 Tropical storm 992 hPa (29.29 inHg) None None None
TD October 11 Tropical depression 998 hPa (29.47 inHg) None None None
TD October 16 – 17 Tropical depression 1010 hPa (29.83 inHg) None None None
Hester (Goying) October 18 – 24 Typhoon 970 hPa (28.64 inHg) Philippines, North Vietnam, South Vietnam, Laos >$3.6 million 119
TD October 26 – 27 Tropical depression 1012 hPa (29.88 inHg) Philippines None None
TD October 31 –November 2 Tropical depression 1004 hPa (29.65 inHg) None None None
TD November 2 – 7 Tropical depression 1004 hPa (29.65 inHg) None None None
TD November 4 – 8 Tropical depression 1002 hPa (29.59 inHg) None None None
TD November 4 – 5 Tropical depression 1006 hPa (29.71 inHg) None None None
TD November 5 – 8 Tropical depression 1006 hPa (29.71 inHg) None None None
Irma (Ining) November 7 – 16 Typhoon 885 hPa (26.13 inHg) Micronesia, Ryukyu Islands Unknown None
Judy October 15 – 19 Severe tropical storm 1000 hPa (29.53 inHg) None None None
TD November 18 – 20 Tropical depression 1008 hPa (29.77 inHg) None None None
TD November 19 –December 2 Tropical depression 1004 hPa (29.77 inHg) None None None
TD December 28 – 29 Tropical depression 1006 hPa (29.71 inHg) Philippines None None
Season Aggregates
70 systems January 8 –December 29, 1971 885 hPa (26.13 inHg) $61.3 million 642


See also

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References

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  1. ^ Holliday, Charles R. Schwerdt, Richard W (ed.). "Typhoons of the Western North Pacific 1971". The Mariners Weather Log. Vol. 16, no. 4. pp. 218–230.
  2. ^ "Climatology of Tropical Cyclones". Japan Meteorological Agency. Retrieved August 16, 2016.
  3. ^ a b Tropical Storm Sarah (RSMC Tropical Cyclone Best Track). Japan Meteorological Agency. June 1, 1989. Retrieved August 16, 2016.
  4. ^ a b c d Schwerdt, Richard W (July 1971). "Smooth Log, North Pacific Weather January and February 1971". The Mariners Weather Log. Vol. 15, no. 4. p. 225.
  5. ^ "Digital Typhoon: Asia Pacific Surface Analysis [19710110_2]".
  6. ^ a b c d e "Destructive Typhoons 1970-2003". National Disaster Coordinating Council. November 9, 2004. Archived from the original on November 12, 2004. Retrieved April 2, 2013.
  7. ^ "Typhoon rains quench fires of war". Boston Globe. May 3, 1971. p. 8. Archived from the original on June 30, 2013. Retrieved April 5, 2013.
  8. ^ "Annual Tropical Cyclone Report: Typhoon Wanda" (PDF). Joint Typhoon Warning Center. United States Navy. 1972. pp. 100–106. Archived from the original (PDF) on September 25, 2018. Retrieved April 3, 2013.
  9. ^ "Digital Typhoon: Typhoon 197105 (AMY) - Detailed Track Information". Japan Meteorological Agency. June 6, 1981. Retrieved January 11, 2016.
  10. ^ a b c "Annual Tropical Cyclone Report: Typhoon Amy" (PDF). Joint Typhoon Warning Center. United States Navy. 1972. pp. 107–116. Archived from the original (PDF) on September 25, 2018. Retrieved January 11, 2016.
  11. ^ "Best Track Data for Typhoon Amy (05W)". Joint Typhoon Warning Center. January 19, 2012. Archived from the original on September 25, 2018. Retrieved January 11, 2016.
  12. ^ Masters, Jeff (May 25, 2023). "Category 5 Super Typhoon Mawar rapidly intensifies to 175 mph winds". New Haven, Connecticut: Yale Climate Connections. Retrieved May 28, 2023.
  13. ^ Henderson, Bob (May 10, 2015). "Tropical Storms, Tornadoes, a Cat 5 Typhoon, and a Blizzard, Oh My!". Weather Underground. Archived from the original on February 14, 2016. Retrieved January 11, 2016.
  14. ^ United Press International (May 5, 1971). "Pacific Storm Raging". The Times-News. Agana, Guam. p. 6. Retrieved April 9, 2013.
  15. ^ "Federated States of Micronesia Typhoon Amy (DR-307)". Federal Emergency Management Agency. United States Government. May 18, 1971. Retrieved April 9, 2013.
  16. ^ a b "Annual Tropical Cyclone Report: Typhoon Harriet" (PDF). Joint Typhoon Warning Center. United States Navy. 1972. pp. 131–136. Archived from the original (PDF) on September 25, 2018. Retrieved April 10, 2013.
  17. ^ "Typhoon Harriet Stalls Viet Battles". The Spokesman-Review. Saigon, Vietnam. Associated Press. July 7, 1971. p. 2. Retrieved April 10, 2013.
  18. ^ "Typhoon Curtails U.S. Operations". The Fort Scott Tribune. Saigon, Vietnam. Associated Press. July 6, 1971. p. 1. Retrieved April 10, 2013.
  19. ^ "気象庁 | 竜巻等の突風データベース". www.data.jma.go.jp. Retrieved 2022-07-27.
  20. ^ Roman L. Kintinar (1972). Tropical Cyclones For 1971. Philippine Weather Bureau. pp. 36–37.
  21. ^ a b c "Annual Tropical Cyclone Report: Typhoon Hester" (PDF). Joint Typhoon Warning Center. United States Navy. 1972. pp. 237–240. Archived from the original (PDF) on September 25, 2018. Retrieved April 8, 2013.
  22. ^ a b "1971 Typhoon HESTER (1971291N11134)". International Best Track Archive for Climate Stewardship. Asheville, North Carolina: University of North Carolina-Asheville. Retrieved July 20, 2019.
  23. ^ Times Wire Service (October 27, 1971). "Enemy Attacks Flare Near Saigon". St. Petersburg Times. p. 3A.
  24. ^ a b "Viet Storm Aid Rushed: Toll Up to 103". Spokane Daily Chronicle. Saigon, Vietnam. Associated Press. October 25, 1971. p. 29. Retrieved April 8, 2013.
  25. ^ Charles R. Holliday (1971). "Weather Note: Record 12 and 24-Hour Deepening Rates in a Tropical Cyclone" (PDF). Retrieved 2007-04-28.
  26. ^ Pagasa Tropical Cyclones 1963-1988 [within the Philippine Area of Responsibility (PAR)]
  27. ^ "1971 Missing (1971093N28158)". International Best Track Archive. 2013. Archived from the original on April 9, 2013. Retrieved April 2, 2013.
  28. ^ "1971 Missing (1971136N10137)". International Best Track Archive. 2013. Archived from the original on April 9, 2013. Retrieved April 2, 2013.
  29. ^ "1971 Missing (1971164N12115)". International Best Track Archive. 2013. Archived from the original on April 9, 2013. Retrieved April 2, 2013.
  30. ^ "1971 Lucy-1 (1971201N24120)". International Best Track Archive. 2013. Retrieved April 5, 2013.[permanent dead link‍]
  31. ^ "1971 Missing (1971220N21126)". International Best Track Archive. 2013. Archived from the original on April 10, 2013. Retrieved April 2, 2013.
  32. ^ "1971 Missing (1971240N11113)". International Best Track Archive. 2013. Archived from the original on April 9, 2013. Retrieved April 2, 2013.
  33. ^ "1971 Missing (1971255N17158)". International Best Track Archive. 2013. Archived from the original on April 9, 2013. Retrieved April 2, 2013.
  34. ^ "1971 Missing (1971257N25162)". International Best Track Archive. 2013. Archived from the original on April 10, 2013. Retrieved April 2, 2013.
  35. ^ "1971 Missing (1971269N17116)". International Best Track Archive. 2013. Archived from the original on April 10, 2013. Retrieved April 2, 2013.
  36. ^ "1971 Missing (1971278N18134)". International Best Track Archive. 2013. Archived from the original on April 9, 2013. Retrieved April 2, 2013.
  37. ^ "1971 Missing (1971280N09141)". International Best Track Archive. 2013. Archived from the original on April 10, 2013. Retrieved April 2, 2013.
  38. ^ "1971 Missing (1971308N09163)". International Best Track Archive. 2013. Archived from the original on April 10, 2013. Retrieved April 2, 2013.
  39. ^ "1971 Missing (1971309N23172)". International Best Track Archive. 2013. Archived from the original on April 9, 2013. Retrieved April 2, 2013.
  40. ^ "1971 Missing (1971324N06112)". International Best Track Archive. 2013. Archived from the original on April 9, 2013. Retrieved April 2, 2013.
  41. ^ "1971 Missing (1971331N11114)". International Best Track Archive. 2013. Archived from the original on April 10, 2013. Retrieved April 2, 2013.
  42. ^ "1971 Missing (1971362N10130)". International Best Track Archive. 2013. Archived from the original on April 10, 2013. Retrieved April 2, 2013.
  43. ^ "1971 Missing (1971163N10132)". International Best Track Archive. 2013. Retrieved April 7, 2013.[permanent dead link‍]
  44. ^ "1971 Missing (1971255N20130)". International Best Track Archive. 2013. Retrieved April 7, 2013.[permanent dead link‍]
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