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Tropical cyclone naming

Tropical cyclones and subtropical cyclones are named by various warning centers to provide ease of communication between forecasters and the general public regarding forecasts, watches, and warnings. Since the systems can last a week or longer and more than one can be occurring in the same basin at the same time, the names are thought to reduce the confusion about which storm is being described. The practice of using names to identify tropical cyclones goes back many years, with systems named after places or things they hit before the formal start of naming. The credit for the first usage of personal names for weather systems is generally given to the Queensland Government Meteorologist Clement Wragge, who named systems between 1887 and 1907. This system of naming weather systems subsequently fell into disuse for several years after Wragge retired, until it was revived in the latter part of World War II for the Western Pacific. Formal naming schemes and naming lists have subsequently been introduced and developed for the North Atlantic, Eastern, Central, Western and Southern Pacific basins as well as the Australian region and Indian Ocean. Names are assigned in order from predetermined lists with one, three, or ten-minute sustained wind speeds of more than 65 km/h (40 mph) depending on which basin it originates. However, standards vary from basin to basin with some tropical depressions named in the Western Pacific, while tropical cyclones have to have a significant amount of gale-force winds occurring around the center before they are named within the Southern Hemisphere.

Contents

  • History 1
  • North Atlantic 2
  • Eastern Pacific Ocean 3
    • North Pacific east of 140°W 3.1
    • Central North Pacific (140°W to 180°) 3.2
  • Western Pacific Ocean (180° to 100°E) 4
    • International names 4.1
    • Philippines 4.2
  • North Indian Ocean (45°E – 100°E) 5
  • South-West Indian Ocean (Africa – 90°E) 6
  • Australian Region (90°E – 160°E) 7
    • Indonesia 7.1
    • Papua New Guinea 7.2
    • Australia 7.3
  • Southern Pacific Ocean (160°E – 120°W) 8
  • South Atlantic 9
  • See also 10
  • Notes 11
  • References 12
  • External links 13

History

Tropical cyclone naming institutions
Basin Naming institution Area of responsibility
Northern Hemisphere
North Atlantic
Eastern Pacific
United States National Hurricane Center
United States Central Pacific Hurricane Center
Equator northward, African Coast-140°W
Equator northward, 140°W-180
[1]
Western Pacific Japan Meteorological Agency
PAGASA (Unofficial)
Equator-60°N, 180-100°E
5°N-20°N, 115°E-135°E
[2]
[3]
North Indian Ocean India Meteorological Department Equator northward, 100°E-45°E [4]
Southern Hemisphere
South-West
Indian Ocean
Mauritius Meteorological Services
Météo Madagascar
Equator-40°S, 55°E-90°E
Equator-40°S, African Coast-55°E
[5]
Australian region Badan Meteorologi, Klimatologi, dan Geofisika
Papua New Guinea National Weather Service
Australian Bureau of Meteorology
Equator-10°S, 90°E-141°E
Equator-10°S, 141°E-160°E
10°S-36°S, 90°E-160°E
[6]
Southern Pacific Fiji Meteorological Service
Meteorological Service of New Zealand
Equator-25°S, 160°E-120°W
25°S-40°S, 160°E-120°W
[6]
South Atlantic Brazilian Navy Hydrographic Center (Unofficial) Equator-35°S, Brazilian Coast-20°W [7]

The practice of using names to identify tropical cyclones goes back many years, with systems named after places or things they hit before the formal start of naming. The system currently used provides positive identification of severe weather systems in a brief form, that is readily understood and recognized by the public. The credit for the first usage of personal names for weather systems is generally given to the Queensland Government Meteorologist Clement Wragge, who named systems between 1887 and 1907. This system of naming weather systems subsequently fell into disuse for several years after Wragge retired, until it was revived in the latter part of World War II for the Western Pacific. Formal naming schemes have subsequently been introduced for the North Atlantic, Eastern, Central, Western and Southern Pacific basins as well as the Australian region and Indian Ocean.

At present tropical cyclones are officially named by one of eleven warning centers and retain their names throughout their lifetimes to provide ease of communication between forecasters and the general public regarding forecasts, watches, and warnings.[8] Since the systems can last a week or longer and more than one can be occurring in the same basin at the same time, the names are thought to reduce the confusion about what storm is being described.[8] Names are assigned in order from predetermined lists with one, three, or ten-minute sustained wind speeds of more than 65 km/h (40 mph) depending on which basin it originates.[1][4][5] However, standards vary from basin to basin with some tropical depressions named in the Western Pacific, while tropical cyclones have to have a significant amount of gale-force winds occurring around the center before they are named within the Southern Hemisphere.[5][6]

Any member of the

  • United States National Hurricane Center – RSMC Miami
  • United States Central Pacific Hurricane Center – RSMC Honolulu
  • Japan Meteorological Agency – RSMC Tokyo
  • India Meteorological Department – RSMC New Delhi
  • Météo-France – RSMC La Reunion
  • Indonesia Badan Meteorologi & Geofisika – TCWC Jakarta
  • Australia Bureau of Meteorology – TCWC Perth, Darwin, Brisbane
  • Fiji Meteorological Service – RSMC Nadi
  • Meteorological Service of New Zealand – TCWC Wellington
  • Brazilian Navy Hydrography Center - Marine Meteorological Service

External links

  1. ^ a b c d e f g h i j k l m n o p q r s t RA IV Hurricane Committee (March 13, 2015). Regional Association IV (North America, Central America and the Caribbean) Hurricane Operational Plan 2014 (PDF) (Report No. TCP-30). World Meteorological Organization. pp. 30–31, 101–105. Retrieved March 28, 2015. 
  2. ^ a b c d e f g h WMO/ESCP Typhoon Committee (March 13, 2015). Typhoon Committee Operational Manual Meteorological Component 2015 (PDF) (Report No. TCP-23). World Meteorological Organization. pp. 1–7, 33–34. Archived from the original on September 4, 2015. Retrieved March 28, 2015. 
  3. ^ http://www.typhoon2000.ph/tcterm.htm#P
  4. ^ a b RSMC — Tropical Cyclones New Delhi (2010). Report on Cyclonic Disturbances over North Indian Ocean during 2009 (Report). India Meteorological Department. pp. 2–3. Archived from the original (PDF) on April 5, 2010. Retrieved May 24, 2011. 
  5. ^ a b c d e f g h i RA I Tropical Cyclone Committee (November 9, 2012). Tropical Cyclone Operational Plan for the South-West Indian Ocean: 2012 (PDF) (Report No. TCP-12). World Meteorological Organization. pp. 13–14. Archived from the original on March 29, 2015. Retrieved March 29, 2015. 
  6. ^ 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 RA V Tropical Cyclone Committee (5 May 2015). Tropical Cyclone Operational Plan for the South-East Indian Ocean and the Southern Pacific Ocean 2014 (PDF) (Report). World Meteorological Organization. pp. I–4 – II–9 (9 – 21). Archived from the original on September 4, 2015. Retrieved September 4, 2015. 
  7. ^ a b c d "Normas Da Autoridade Marítima Para As Atividades De Meteorologia Marítima" (in Portuguese). Brazilian Navy. 2011. Archived from the original (PDF) on 6 February 2015. Retrieved 6 February 2015. 
  8. ^ a b Landsea, Christopher W; Dorst, Neal M (June 1, 2014). "Subject: Tropical Cyclone Names: B1) How are tropical cyclones named?". Tropical Cyclone Frequently Asked Question. United States National Oceanic and Atmospheric Administration's Hurricane Research Division. Archived from the original on March 29, 2015. Retrieved August 29, 2015. 
  9. ^ a b c d "Tropical Cyclone Names". Australian Bureau of Meteorology. November 10, 2014. Archived from the original on March 30, 2015. Retrieved March 30, 2015. 
  10. ^ "PAGASA replaces names of 2014 destructive typhoons" (Press release). Philippine Atmospheric, Geophysical and Astronomical Services Administration. February 5, 2015. Archived from the original on February 15, 2015. Retrieved March 30, 2015. 
  11. ^ a b c d La Reunion Tropical Cyclone Centre (August 31, 2015). "How are the names chosen?". Météo-France. Archived from the original on September 1, 2015. Retrieved September 1, 2015. 
  12. ^ "I. Understand Typhoon: 5. How is a typhoon named?". Meteorology Encyclopedia: FAQ for Typhoon. Taiwan Central Weather Bureau. May 26, 2015. Retrieved September 4, 2015. 
  13. ^ RSMC Tokyo-Typhoon Center (March 5, 2015). "List of names for tropical cyclones adopted by the ESCAP/WMO Typhoon Committee for the western North Pacific and the South China Sea (valid as of 2015): Names of tropical cyclones". Japan Meteorological Agency. Retrieved September 4, 2015. 
  14. ^ a b "Philippine Tropical cyclone names". Philippine Atmospheric, Geophysical and Astronomical Services Administration. Retrieved April 3, 2015. 
  15. ^ "Tropical cyclone names". Met Office — UK National Weather Service. Retrieved 22 October 2013. 
  16. ^ a b Tropical Cyclone Operational Plan for the Bay of Bengal and the Arabian Sea: 2015 (PDF) (2015 ed.). World Meteorological Organization. pp. 11–12. Retrieved September 2, 2015. 
  17. ^ http://www.rsmcnewdelhi.imd.gov.in/images/pdf/cyclone-awareness/tc-names/tc-names.pdf
  18. ^ "Cyclone Names". Badan Meteorologi, Klimatologi, dan Geofisika. Archived from the original on March 16, 2015. Retrieved April 11, 2015. 
  19. ^ RA V Tropical Cyclone Committee (2011). Plan d'operations convernant les cyclones tropicaux dans le pacifique sud et le sudest de l'oc'ean Indien 2010 (PDF) (Report) (in French). World Meteorological Organization. p. 21. Retrieved September 15, 2015. 

References

  1. ^ "Rammasun" was retired after Typhoon Rammasun (2014) but no name has been selected to replace the name.

Notes

See also

Arani Bapo Cari Deni Eçaí Guará Iba Jaguar Kamby Mani
Source for tropical cyclone names.[7]

When a significant tropical or subtropical cyclone exists in the South Atlantic Ocean, the Brazilian Navy Hydrographic Center's Serviço Meteorológico Marinho names the system using a predetermined list of names.[7] The next name that will be used within this basin is Deni.[7]

South Atlantic

List A Ana Bina Cody Dovi Eva Fili Gina Hagar Irene Judy Kerry Lola Mal
Nat Olo Pita Rae Sheila Tam Urmil Vaianu Wati Xavier Yani Zita
List B Arthur Becky Chip Denia Elisa Fotu Glen Hettie Innis Joni Ken Lin Mick
Nisha Oli Pearl Rene Sarah Tomas ------ Vanessa Wano ------ Yvonne Zaka
List C Alvin Bune Cyril Daphne Eden Florin Garry Haley Isa June Kofi Louise Mike
Niko Ola Pam Reuben Solo Tuni Ula Victor Winston ------ Yalo Zena
List D Amos Bart Colin Donna Ella Frank Gita Hali Iris Jo Kala Leo Mona
Neil Oma Pami Rita Sarai Tino ------ Vicky Wiki ------ Yolande Zazu
List E
(Standby)
Aru Bela Cook Dean ------ ------ Garth Hart ------ Julie Kevin Louise Moses
------ ------ Pearl Rex Suki Troy ------ Velma Wanita ------ Yates Zidane
Source for tropical cyclone names.[6][19]

The next name that is scheduled to name a tropical cyclone in this basin is Tuni. [6] The name of a tropical cyclone is determined by using Lists A - D in order, without regard to year before restarting with List A.[6] Within the Southern Pacific basin in the Southern Hemisphere between 160°E – 120°W, a tropical cyclone is named when observations and/or

Cyclone Pam on March 2015, the strongest tropical cyclone in the South Pacific according to wind speeds

Southern Pacific Ocean (160°E – 120°W)

Anika Billy Charlotte Dominic Ellie Freddy Gabrielle Herman Ilsa Jasper Kirrily
Lincoln Megan Neville Olga Paul Robyn Sean Tasha Vince Zelia ------
Anthony Bianca Courtney Dianne Errol Fina Grant Hayley Iggy Jenna Koji
Luana Mitchell Narelle Osamu Peta Rubina Sandra Tim Victoria Zane ------
Alessia Bruce Catherine Dylan Edna Fletcher Gillian Hadi Ivana Jack Kate
Lam Marcia Nathan Olwyn Quang Raquel Stan Tatiana Uriah Yvette ------
Alfred Blanche Caleb Debbie Ernie Frances Greg Hilda Isobel Joyce Kelvin
Linda Marcus Nora Owen Penny Riley Savannah Trevor Veronica Wallace ------
Ann Blake Claudia Damien Esther Ferdinand Gretel Harold Imogen Joshua Kimi
Lucas Marian Noah Odette Paddy Ruby Seth Tiffany Vernon ------ -----
Sources for tropical cyclone names.[6][9]

When a system develops into a tropical cyclone below 10°S between 90°E and 160°E, then it will be named by the Australian Bureau of Meteorology (BoM) which operates three Tropical Cyclone Warning Centres in Perth, Darwin, or Brisbane.[6] The names are assigned in alphabetical order and used in rotating order without regard to year.[6][9] The next name that is scheduled to name a tropical cyclone in this area is Stan.

Severe Tropical Cyclone Bruce was the first tropical cyclone to retain its name when moving into the South-West Indian Ocean basin

Australia

If a system intensifies into a tropical cyclone between the Equator - 10°S and 141°E - 160°E, then it will be named by Papua New Guinea National Weather Service (NWS, TCWC Port Moresby).[6] Names are assigned in sequence from list A and are automatically retired after being used regardless of any damage caused.[6] List B contains names that will replace names on list A that are retired or removed for other reasons.[6]

List A Alu Buri Dodo Emau Fere Hibu Ila Kama Lobu Maila
List B Nou Obaha Paia Ranu Sabi Tau Ume Vali Wau Auram
Source for tropical cyclone names.[6]

Papua New Guinea

If a system intensifies into a tropical cyclone between the Equator - 10°S and 90°E - 141°E, it will be named by the Badan Meteorologi, Klimatologi, dan Geofisika (BMKG/TCWC Jakarta).[6] Names are assigned in sequence from list A, while list B details names that will replace names on list A that are retired or removed for other reasons.[6] The next name that is scheduled to name a tropical cyclone in this area is Cempaka.

List A Anggrek Bakung Cempaka Dahlia Flamboyan Kenanga Lili Mangga Seroja Teratai
List B Anggur Belimbing Duku Jambu Lengkeng Melati Nangka Pisang Rambutan Sawo
Sources for tropical cyclone names.[6][18]

Indonesia

[9][6] Within the Australian region in the Southern Hemisphere between 90°E – 160°E, a tropical cyclone is named when observations and/or

Australian Region (90°E – 160°E)

Within the South-West Indian Ocean in the Southern Hemisphere between Africa and 90°E, a tropical or subtropical disturbance is named when it develops into a moderate tropical storm using a name from a predetermined list.[5][11] This is defined as being when gales are either observed or estimated to be present near a significant portion of the systems center.[5] Within this basin it is the Mauritius Meteorological Services and Météo Madagascar who name the systems, in conjunction with Météo-France, Reunion. (MFR, RSMC La Reunion).[5] If the system becomes a moderate tropical storm between Africa and 55°E then Météo Madagascar will name it, while if it becomes a tropical storm between 55°E and 90°E then the Mauritius Meteorological Service names it.[5] New naming lists are developed every year while a name is generally only used once, as a result there are no names retired within this basin.[5][11] The first name scheduled to be used within the basin this year is Annabelle.

2015-16 Annabelle Bohale Corentin Daya Emeraude Fantala Gao Hassina Inacio Juma Ketiwe Lalelani Moabi
Naima Octave Piera Quizito Richard Sofia Tatiana Umboni Vela Wayne Xaba Yazid Zenani
Source for tropical cyclone names.[11]

South-West Indian Ocean (Africa – 90°E)

Contributing
Nations
Bangladesh India Maldives Myanmar Oman Pakistan Sri Lanka Thailand
List 1 Onil Agni Hibaru Pyarr Baaz Fanoos Mala Mukda
List 2 Ogni Akash Gonu Yemyin Sidr Nargis Rashmi Khai Muk
List 3 Nisha Bijli Aila Phyan Ward Laila Bandu Phet
List 4 Giri Jal Keila Thane Murjan Nilam Viyaru Phailin
List 5 Helen Lehar Madi Nanauk Hudhud Nilofar Ashobaa Komen
List 6 Chapala Megh Roanu Kyant Nada Vardah Maarutha Mora
List 7 Ockhi Sagar Mekunu Daye Luban Titli Gaja Phethai
List 8 Fani Vayu Hikaa Kyarr Maha Bulbul Pawan Amphan
Sources for tropical cyclone names.[16]

Within the North Indian Ocean between 45°E – 100°E, tropical cyclones are named by the India Meteorological Department (IMD/RSMC New Delhi), when they are judged to have intensified into a cyclonic storm with 3-minute sustained wind speeds of at least 34 knots (39 mph; 63 km/h).[16] There are eight lists of names which are used in sequence and are not rotated every few years, however, the names of significant tropical cyclones are retired.[17] The next name to be used within the basin is Megh.

Cyclone Hudhud nearing landfall at peak strength during mid-October 2014

North Indian Ocean (45°E – 100°E)

2015 Amang Betty Chedeng Dodong Egay Falcon Goring Hanna Ineng Jenny Kabayan Lando Marilyn
Nonoy Onyok Perla Quiel Ramon Sarah Tisoy Ursula Viring Weng Yoyoy Zigzag
auxiliary: Abe Berto Charo Dado Estoy Felion Gening Herman Irma Jaime
2016 Ambo Butchoy Carina Dindo Enteng Ferdie Gener Helen Igme Julian Karen Lawin Marce
Nina Ofel Pepito Quinta Rolly Siony Tonyo Ulysses Vicky Warren Yoyong Zosimo
auxiliary: Alakdan Baldo Clara Dencio Estong Felipe Gardo Heling Ismael Julio
2017 Auring Bising Crising Dante Emong Fabian Gorio Huaning Isang Jolina Kiko Lannie Maring
Nando Odette Paolo Quedan Ramil Salome Tino Urduja Vinta Wilma Yasmin Zoraida
auxiliary: Alamid Bruno Conching Dolor Ernie Florante Gerardo Hernan Isko Jerome
2018 Agaton Basyang Caloy Domeng Ester Florita Gardo Henry Inday Josie Karding Luis Maymay
Neneng Ompong Paeng Queenie Rosita Samuel Tomas Usman Venus Waldo Yayang Zeny
auxiliary: Agila Bagwis Chito Diego Elena Felino Gunding Harriet Indang Jessa
Sources for tropical cyclone names.[14][15]

The Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA) uses its own naming scheme for tropical cyclones within the Philippine Area of Responsibility, regardless of whether it forms within or enters from beyond. These unique identifiers are usually local nicknames for people; should the list of names for a given year be exhausted, names are taken from an auxiliary list, the first ten of which (i.e. those beginning in letter A-J) are published every year.[14] There are no names that begin with the Filipino letters Ñ, NG and X. The next name to be used within the area is Marilyn.

Typhoon Ruby (Hagupit) approaching the Philippines in December 2014

Philippines

Contributing
Nations
Cambodia China North Korea
(DPRK)
Hong Kong Japan Laos Macau Malaysia Micronesia Philippines South Korea
(ROK)
Thailand USA Vietnam
List 1 Damrey Haikui Kirogi Kai-tak Tembin Bolaven Sanba Jelawat Ewiniar Maliksi Gaemi Prapiroon Maria Son-Tinh
Ampil Wukong Jongdari Shanshan Yagi Leepi Bebinca Rumbia Soulik Cimaron Jebi Mangkhut Barijat Trami
List 2 Kong-rey Yutu Toraji Man-yi Usagi Pabuk Wutip Sepat Mun Danas Nari Wipha Francisco Lekima
Krosa Bailu Podul Lingling Kajiki Faxai Peipah Tapah Mitag Hagibis Neoguri [Note 1] Matmo Halong
List 3 Nakri Fengshen Kalmaegi Fung-Wong Kammuri Phanfone Vongfong Nuri Sinlaku Hagupit Jangmi Mekkhala Higos Bavi
Maysak Haishen Noul Dolphin Kujira Chan-hom Linfa Nangka Soudelor Molave Goni Atsani Etau Vamco
List 4 Krovanh Dujuan Mujigae Choi-wan Koppu Champi In-fa Melor Nepartak Lupit Mirinae Nida Omais Conson
Chanthu Dianmu Mindulle Lionrock Kompasu Namtheun Malou Meranti Rai Malakas Megi Chaba Aere Songda
List 5 Sarika Haima Meari Ma-on Tokage Nock-ten Muifa Merbok Nanmadol Talas Noru Kulap Roke Sonca
Nesat Haitang Nalgae Banyan Hato Pakhar Sanvu Mawar Guchol Talim Doksuri Khanun Lan Saola
Sources for tropical cyclone names.[2][13]

Tropical cyclones within the Western Pacific are assigned international names by the JMA, when they are judged to have intensified into a tropical storm with 10-minute sustained winds of at least 34 kn (39 mph; 63 km/h).[2][12] The names are used sequentiality without regard to year and are taken from five lists of names that were prepared by the ESCAP/WMO Typhoon Committee, after each of the 14 members submitted 10 names in 1998.[2] The order of the names to be used was determined, by placing the English name of the member in alphabetical order.[2] Members of the committee are allowed to request the retirement or replacement of a systems name, if it causes extensive destruction or for other reasons such as number of deaths.[2] The next international name to be assigned by the JMA is In-fa.

International names

Within the Northwestern Pacific Ocean there are two separate agencies who assign names to tropical cyclones which often results in a cyclone having two names. The Japan Meteorological Agency names tropical cyclones should they be judged to have 10-minute sustained windspeeds of 65 km/h, (40 mph), to the north of the equator between the 180° and 100°E. The Philippine Atmospheric, Geophysical and Astronomical Services Administration assigns names to tropical cyclones which move into or form as a tropical depression in their area of responsibility located between 135°E and 115°E and between 5°N and 25°N even if the cyclone has had a name assigned to it by the Japan Meteorological Agency.

Typhoon Damrey in 2000, the first name to be assigned by the JMA

Western Pacific Ocean (180° to 100°E)

List 1 Akoni Ema Hone Iona Keli Lala Moke Nolo Olana Pena Ulana Wale
List 2 Aka Ekeka Hene Iolana Keoni Lino Mele Nona Oliwa Pama Upana Wene
List 3 Alika Ele Huko Iopa Kika Lana Maka Neki Omeka Pewa Unala Wali
List 4 Ana Ela Halola Iune Kilo Loke Malia Niala Oho Pali Ulika Walaka
Sources for tropical cyclone names.[1]

[1] When a tropical depression intensifies into a tropical storm to the north of the Equator between 140°W and 180° it is named by the CPHC. Four lists of

Central North Pacific (140°W to 180°)

Pewa and Unala near the International Dateline in August 2013
2015 Andres Blanca Carlos Dolores Enrique Felicia Guillermo Hilda Ignacio Jimena Kevin Linda
Marty Nora Olaf Patricia Rick Sandra Terry Vivian Waldo Xina York Zelda
2016 Agatha Blas Celia Darby Estelle Frank Georgette Howard Ivette Javier Kay Lester
Madeline Newton Orlene Paine Roslyn Seymour Tina Virgil Winifred Xavier Yolanda Zeke
2017 Adrian Beatriz Calvin Dora Eugene Fernanda Greg Hilary Irwin Jova Kenneth Lidia
Max Norma Otis Pilar Ramon Selma Todd Veronica Wiley Xina York Zelda
2018 Aletta Bud Carlotta Daniel Emilia Fabio Gilma Hector Ileana John Kristy Lane
Miriam Norman Olivia Paul Rosa Sergio Tara Vicente Willa Xavier Yolanda Zeke
2019 Alvin Barbara Cosme Dalila Erick Flossie Gil Henriette Ivo Juliette Kiko Lorena
Mario Narda Octave Priscilla Raymond Sonia Tico Velma Wallis Xina York Zelda
2020 Amanda Boris Cristina Douglas Elida Fausto Genevieve Hernan Iselle Julio Karina Lowell
Marie Norbert Odalys Polo Rachel Simon Trudy Vance Winnie Xavier Yolanda Zeke
Sources for tropical cyclone names.[1]

The next name to be used within the basin is Rick. [1] If all of the names on a list are used, storms are named using the letters of the Greek alphabet.[1] The names of significant tropical cyclones are [1] When a tropical depression intensifies into a tropical storm to the north of the Equator between the coastline of the Americas and 140°W then it will be named by the NHC. There are six lists of names which rotate every six years and begin with the letters A — Z used, with each name being either a male or a female name.

North Pacific east of 140°W

Within the Eastern Pacific Ocean there are two warning centers that assign names to tropical cyclones on behalf of the World Meteorological Organisation, when they are judged to have intensified into a tropical storm with winds of at least 34 knots (39 mph; 63 km/h).[1] Tropical cyclones that intensify into tropical storms between the coast of Americas and 140°W are named by the National Hurricane Center (NHC/RSMC Miami), while tropical cyclones intensifying into tropical storms between 140°W and 180° are named by the Central Pacific Hurricane Center (CPHC/RSMC Honolulu).[1] Significant tropical cyclones have their names retired from the lists and a replacement name selected at the next World Meteorological Organization Hurricane Committee.[1]

Hurricane Marie in 2014, the sixth most intense system in the East Pacific Basin

Eastern Pacific Ocean

2015 Ana Bill Claudette Danny Erika Fred Grace Henri Ida Joaquin Kate
Larry Mindy Nicholas Odette Peter Rose Sam Teresa Victor Wanda
2016 Alex Bonnie Colin Danielle Earl Fiona Gaston Hermine Ian Julia Karl
Lisa Matthew Nicole Otto Paula Richard Shary Tobias Virginie Walter
2017 Arlene Bret Cindy Don Emily Franklin Gert Harvey Irma Jose Katia
Lee Maria Nate Ophelia Philippe Rina Sean Tammy Vince Whitney
2018 Alberto Beryl Chris Debby Ernesto Florence Gordon Helene Isaac Joyce Kirk
Leslie Michael Nadine Oscar Patty Rafael Sara Tony Valerie William
2019 Andrea Barry Chantal Dorian Erin Fernand Gabrielle Humberto Imelda Jerry Karen
Lorenzo Melissa Nestor Olga Pablo Rebekah Sebastien Tanya Van Wendy
2020 Arthur Bertha Cristobal Dolly Edouard Fay Gonzalo Hanna Isaias Josephine Kyle
Laura Marco Nana Omar Paulette Rene Sally Teddy Vicky Wilfred
Sources for tropical cyclone names.[1]
Image of Hurricane Gonzalo shortly after peak strength on October 2014

The next name to be used within the basin is Kate. [1] If all of the names on a list are used, storms are named after the letters of the Greek alphabet.[1] Within the North Atlantic Ocean, tropical or subtropical cyclones are named by the

North Atlantic

and to the east of 120W in the Southern Pacific, as a result there are no naming lists for these areas. Mediterranean Sea Tropical cyclone formation is rare within the [11][5] There are no names retired within the South-West Indian Ocean, as names are generally not used more than once and fresh naming lists are developed each year.[10]₱1 billion in damage and/or have caused at least 300 deaths. PAGASA also retires the names of significant tropical cyclones, when they have caused at least [9][1] These reasons include the spelling and pronunciation of the name, the similarity to the name of a recent tropical cyclone or on another list of names and the length of the name for modern communication channels such as social media.[2][1] A replacement name is then submitted to the committee concerned and voted upon but these names can be rejected and replaced with another name for various reasons.[6] Any tropical cyclone names assigned by the Papua New Guinea National weather Service are automatically retired regardless of any damage caused.[1] A name is retired or withdrawn if a consensus or majority of members agree that the tropical cyclone has acquired a special notoriety, such as causing a large amount of deaths, damages, impacts or for other special reasons.[6][2][1]

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