During March 23, a shallow tropical depression developed within a trough of low pressure, about 75 km (45 mi) to the northwest of Rotuma. The 1982–83 season was one of the most active and longest South Pacific tropical cyclone seasons on record, with 14 tropical cyclones occurring within the South Pacific basin between 160°E and 120°W. Yasa caused catastrophic damge and four deaths in Fiji. The United States Armed Forces through the Joint Typhoon Warning Center (JTWC) and Naval Pacific Meteorology and Oceanography Center (NPMOC), also monitored the basin and issued unofficial warnings for American interests. All meteorological data is taken from the warning centers while damage estimates are in 2021 USD. [12] The system subsequently moved in a counter clockwise loop, which allowed it to develop further and it was declared to be a tropical cyclone and named Nisha by the FMS during February 22. The United States Armed Forces through the Joint Typhoon Warning Center (JTWC) will also monitor the basin and issue unofficial warnings for American interests. [17] The JTWC subsequently initiated advisories on the system and designated it as Tropical Cyclone 18P. NIWA and MetService analyses indicate 9 to 12 named tropical cyclones (TC) could occur in the Southwest Pacific basin between November 2019 and April 2020. [18] It was also classified as a Category 3 severe tropical cyclone, before a tropical cyclone alert was issued by the FMS for Niue at around 23:08 UTC (11:08 FST, March 30). [8], During December 10, a shallow tropical depression formed to the west of the Northern Cook Island: Penrhyn and started to move south-eastwards towards French Polynesia. [26] Zazu continued to strengthen even as it began an extratropical transition, reaching Category 2 status on the Australian scale on December 15, despite struggling with the effects of westerly wind shear. [27] During December 16, the system moved into MetService's area of responsibility, before they reclassified it as an extratropical low later that day. [23] This was the earliest date a Category 5 South Pacific tropical cyclone formed on record and only the second Category 5 South Pacific tropical cyclone recorded in the month of December. It was also the fourth most intense South Pacific tropical cyclone after Winston, Zoe, Pam. It have become extratropical on November 20. It reached at the maximum 10 minutes sustained wind speed of 55 km/h (35 mph) and minimum pressure of 1000 mb (29.53 inHg). Tropical cyclones affect Pacific island countries in most years and can impact coastal regions even when they remain well offshore. On December 8, a disturbance formed near Fiji, starting the 2020–21 South Pacific Ocean cyclone season, it gradually intensified into a depression and attained a tropical storm status according to JTWC. [18], During the next day, Tomasi continued to intensify and move south-westwards, while the alert for Niue was upgraded to a gale warning. 1982–83 South-West Indian Ocean cyclone season, List of off-season South Pacific tropical cyclones, http://dailypost.vu/news/developing-el-nino-predicted-stronger-than---dubbed-godzilla/article_fe5cafeb-3ac9-5da5-b17d-9c3f29359515.html, Tropical cyclones in Vanuatu: 1847 to 1994, "1983 Tropical Cyclone TOMASI (1983086S08204)", https://en.wikipedia.org/w/index.php?title=1982–83_South_Pacific_cyclone_season&oldid=979572574, Articles which contain graphical timelines, Creative Commons Attribution-ShareAlike License, Category 2 tropical cyclone (Australian scale), Category 1 tropical cyclone (Australian scale), Category 3 severe tropical cyclone (Australian scale), Category 4 severe tropical cyclone (Australian scale), This page was last edited on 21 September 2020, at 14:05. With tropical depressions intensifying into a tropical cyclone between the Equator and 25°S and between 160°E - 120°W named by the FMS. Featuring Winston! [5][6], During November 3, the FMS reported that Joti had peaked with 10-minute sustained winds of 110 km/h (70 mph), which made it a Category 2 tropical cyclone on the Australian scale. [6] Over the next couple of days, the system gradually moved westwards before the FMS classified it as a tropical depression during December 11, while it was located about 280 km (175 mi) to the west of the Fijian Dependency of Rotuma. The latest typhoon watches and warnings for the South Pacific Basin. [24] By 00:00 UTC on December 16, Yasa had intensified into a Category 5-equivalent tropical cyclone on the SSHWS, with 1-minute sustained winds of 260 km/h (160 mph). [5][6] After the system had moved into the Coral Sea, it gradually weakened and turned towards the south-southwest, before it degenerated into a depression during November 7. Five of these tropical cyclones went on to affect the island nation of French Polynesia, which it was thought had not been affected by a tropical cyclone since another very strong El Nino episode in 1905-06. During March 27, the FMS started to monitor a depression that had developed, within a trough of low pressure about 235 km (145 mi) to the northeast of Penrhyn in the Northern Cook Islands. The 1982–83 South Pacific cyclone season was one of the most active and longest South Pacific tropical cyclone seasons on record, with 16 tropical cyclones occurring within the South Pacific basin between 160°E and 120°W. [5][6] Within northern Vanautu, Joti damaged houses, gardens and fruit trees. The Eastern Pacific basin extends to 140°W. There are no tropical cyclones in the Atlantic at this time. The Central Pacific, meanwhile, had its most active year on record, with 16 tropical cyclones forming in or entering the basin, easily surpassing the old record of 11 set in 1992 and 1994. [8] The depression continued to consolidate, with deep convection wrapping into the centre of the system from the northern semicircle, and by 12:00 UTC, one-minute sustained winds had increased to 75 km/h (45 mph). [20] Soon afterwards, the JTWC upgraded Yasa to a Category 1-equivalent cyclone on the Saffir–Simpson scale.[21]. [17] The system subsequently gradually deepened as it moved south-eastwards and passed to the west of the island, before it was named Sarah by the FMS during March 24, after it had developed into a tropical cyclone. [2] At least one of these tropical cyclones was expected to intensify further and become a Category 3 or higher severe tropical cyclone.[2]. Cite error: The named reference "TDS Dec 11 00z" was defined multiple times with different content (see the, 2020–21 South-West Indian Ocean cyclone season, Australian Tropical Cyclone Intensity Scale, National Institute of Water and Atmospheric Research, a brief interaction with Tropical Depression 01F, List of Southern Hemisphere cyclone seasons, Tropical Cyclone Guidance for Season 2010/11 for the Fiji and the Southwest Pacific, 2020/21 RSMC Nadi Tropical Cyclone Outlook, Southwest Pacific Tropical Cyclone Outlook - October 2020, "South Pacific Tropical Cyclone Outlook for 2020 to 2021", Tropical Disturbance Summary December 8, 2020 09z, Significant Tropical Weather Advisory December 8, 2020 11z, Tropical Disturbance Summary December 11, 2020 09z, "Tropical Depression 01F Disturbance Advisory #4 (00Z)", "Final Warning, Remnant of Tropical Cyclone 04P", "Tropical Cyclone Yasa 1st of the season for South Pacific", "Tropical Cyclone Formation Alert (TD 02F) (0330Z)", "Tropical Depression 02F Disturbance Advisory #1 (00Z)", "Tropical Cyclone Formation Alert (Invest 91P)", "Tropical Cyclone 05P (Five) Warning #01", "Tropical Cyclone Yasa Disturbance Advisory 5 (13Z)", "TROPICAL CYCLONE 05P (YASA) WARNING NR 012", "Severe Tropical Cyclone Yasa Disturbance Advisoru Number 8 (00Z)", "Tropical Cyclone 05P (Yasa) Warning #14", "Tropical Cyclone Yasa Disturbance Advisory #15 (18Z)", "Tropical Cyclone Zazu, Storm Warning 054 (00Z)", Tropical Cyclone Potential Bulletin December 16, 2020 23z, "Category 2 Cyclone Zazu Update: Yellow Alert for Niue", "Niue's only wharf slammed by massive waves whipped up by Cyclone Zazu", "Tonga hit by Cyclone Zazu as second system strengthens", Tropical Cyclone Operational Plan for the South-East Indian Ocean and the Southern Pacific Ocean 2020, "Fiji reports 4 deaths due to tropical cyclone Yasa", https://en.wikipedia.org/w/index.php?title=2020–21_South_Pacific_cyclone_season&oldid=995941462, Southern Hemisphere tropical cyclone seasons, Creative Commons Attribution-ShareAlike License, Category 5 severe tropical cyclone (Australian scale), Category 2 tropical cyclone (Australian scale), This page was last edited on 23 December 2020, at 18:14. The storm continued to intensify and soon became a Category 3 on the Australian scale. [9] During that day the FMS also reported that the system had developed into a Category 1 tropical cyclone on the Australian Scale and named it Kina. [13][14] After it had been named: Prema moved south-eastwards and started to gradually weaken, before it degenerated into a depression during February 27. [10] The system's organisation improved steadily over the next few days, and at 12:00 UTC on December 13, the Joint Typhoon Warning Center (JTWC) upgraded the depression to a tropical storm on the Saffir-Simpson hurricane wind scale. William was one of the most northeasterly forming cyclones in the basin's history. Only seven hurricanes formed, the fewest since 2010. Place comments that start a new topic at the bottom of the page and give them a descriptive header. After making landfall, Yasa moved into an area of unfavourable conditions, causing the storm to rapidly weaken, with Yasa weakening into a Category 3 severe tropical cyclone later that day. [16] At the same time, the Joint Typhoon Warning Center (JTWC) issued a tropical cyclone formation alert for the system. The most intense tropical cyclone in the south Pacific, Cyclone Winston of 2016, is also the most … [2][4] The BoM issued two seasonal forecasts for the Southern Pacific Ocean, for their self-defined eastern and western regions of the South Pacific Ocean. Because of the Fujiwhara effect, the remnant was absorbed by Tropical Depression 02F shortly afterward, which would later become Severe Tropical Cyclone Yasa. Plus, big heat for the East and winter weather out West. The season officially started on November 1, 2020 and will end on April 30, 2021, however a tropical cyclone could form at any time between July 1, 2020 and June 30, 2021 and would count towards the season total. The Atlantic hurricane season runs from June 1st to November 30th, and the Eastern Pacific hurricane season runs from May 15th to November 30th. The Western Pacific Basin has been eerily quiet so far in 2019, with roughly half the tropical cyclone activity of an average year through July. During the season tropical cyclones were monitored by the meteorological services of Australia, Fiji, French Polynesia and New Zealand. [12] Over the next day, the system started to move south-westwards, while it rapidly intensified, with the FMS estimating 10-minute sustained wind-speeds of 185 km/h (115 mph) during February 24. a La Nina pattern along the equator off the Pacific coast of South America; The closest season in comparison is 2005, which churned up 28 named storms, the … Eight products are displayed, most notably an inner core scale surface wind analysis. Tropical cyclones that have been recorded since the start of the 1969–70 Tropical Cyclone year and have reached their peak intensity to the west of 160E are included in the list. The first tropical cyclone of the season developed a day before the season officially began on October 30, while the last tropical cyclone of the season dissipated on May 16. [18] After the system was named, Tomasi went through a period of rapid intensification, with an eye appearing on visible satellite imagery during that day. The 2020–21 South Pacific cyclone season is a currently ongoing period of the year when most tropical cyclones form within the South Pacific Ocean to the east of 160°E. The most active basin in the year was the North Atlantic, which documented 28 named systems.The Western Pacific had an near-average season with 23 named storms. [13][14] The system was named Prema by the FMS during the next day, after it had developed into a category 1 tropical cyclone and peaked, with 10-minute sustained winds of 85 km/h (50 mph). The 2019 Pacific hurricane season was a moderately active season which produced nineteen named storms, though most were rather weak and short-lived. [19] Later that day, the FMS reported that Tomasi had peaked as a Category 4 severe tropical cyclone, with 10-minute sustained winds of 185 km/h (115 mph). [7] At 00:00 UTC on December 11, the JTWC upgraded the system to a tropical storm on the Saffir–Simpson hurricane wind scale. The National Oceanic and Atmospheric Administration (NOAA) predicted a more active Atlantic hurricane season than normal for 2020, and 03F intensified into Category 1 tropical cyclone Zazu, strengthening to Category 2. A potential combination of 3-4 cyclones may reach severe category 3 or higher status. [8][9] The FMS subsequently estimated during the next day that the system had reached its peak intensity, with 10-minute sustained winds of 75 km/h (45 mph) during November 11. [7] Deep convection near the system was initially only fragmented; however, environmental conditions were assessed as being conducive for development, with low vertical wind shear, good upper-level outflow and sea surface temperatures near 29 °C (84 °F). There is relatively low disagreement between the analogues for the total number of cyclones for this season, with the one exception being the 2007/08 season. While cyclones in this area of the Pacific Ocean may occur year-round, December through April are usually the most active months. [19] Tomasi subsequently turned and started to move southwards, as it passed about 165 km/h (105 mph) to the east of Niue. This is the forum page for the 2020-21 South Pacific cyclone season. [3] At least four of the tropical cyclones were expected to intensify further and become severe tropical cyclones, while it was noted that a Category 5 severe tropical cyclone could occur during the season. [31], Within the Southern Pacific a tropical depression is judged to have reached tropical cyclone intensity should it reach winds of 65 km/h (40 mph), and it is evident that gales are occurring at least halfway around the center. [13][14] The remnants of Prema were subsequently monitored over the next few days, as they moved towards and through French Polynesia, before they were last noted during March 6. [5] The disturbance was subsequently named Joti at 00:00 UTC on November 1, by the FMS as it had developed into a tropical cyclone. [13] Heavy rain and gale-force winds off 100 km/h (60 mph), caused minor damage to French Polynesia's Leeward and Society Islands.[15][16]. The South Pacific tropical cyclone season is typically from 1 November to 30 April. Most modeling suggests that the Pacific will gradually warm through this preparation season and into the first half of hurricane season. [11][12] Due to the deteriorating structure of the system, the FMS ceased advisories on Tropical Depression 01F at this time. https://www.worldatlas.com/articles/where-do-most-hurricanes-occur.html Following the same day, another disturbance formed and intensified into a depression in the next day. [18][19] Some minor damage to vegetation was reported in Niue, as a result of Tomasi.[18]. The 2018–19 season was one of the most active and longest South Pacific tropical cyclone seasons on record, with 14 tropical cyclones occurring within the South Pacific basin between 160°E and 120°W. Parts of Northeast socked by waist-deep snow. The South Pacific is in a cyclone zone that typically has cyclones between 1st November and 31st April each year. The Australian tropical cyclone region extends from 90°E to 160°E, south of the equator, and is part of a continuum of tropical cyclone activity that extends from the coast of Africa to French Polynesia in the South Pacific (Fig. [14], Tropical Disturbance 02F was first noted by the FMS during December 11, while it was located about 800 km (495 mi) to the northeast of Port Villa in Vanuatu. [9] By 00:00 UTC on December 12, both the JTWC and the FMS reported that the shear had displaced the system's deep convection to the northeast, leaving the centre of circulation fully exposed. During that day, the system started to rapidly develop further as it moved and was named Rewa, as it had developed into a Category 1 tropical cyclone. [28], Yellow cyclone alerts (the third highest level) were issued for the island of Niue on December 15, while residents were taken to higher grounds by officials. William existed from April 15 to April 23. The Eastern Pacific hurricane season experienced an above average number of tropical storm intensity systems, numbering 15. Should a tropical cyclone move out of the basin and into the Australian region it will retain its original name. [3] The outlook called for a near-average number of tropical cyclones for the 2020–21 season, with nine to twelve named tropical cyclones, predicted to occur between 135°E and 120°W, compared to an average of just over 10. [12] The storm then weakened and degenerated into a low pressure system later on December 12. [8][9] Over the next few days the system moved south-westwards and gradually developed further, before the JTWC reported that the system had developed into a tropical cyclone, with peak 1-minute sustained winds of 75 km/h (45 mph) during November 10. During El Niño, the area of tropical Pacific convection and its associated Hadley circulation expand eastward from the western Pacific, sometimes extending to the west coast of South America. [5][6] The JTWC subsequently reported that the system had peaked with 1-minute sustained winds of 120 km/h (75 mph), which made it equivalent to a Category 1 hurricane on the SSHWS. 01F became a remnant low and got absorbed by Tropical Depression 02F. [15] The JTWC also noted a Fujiwhara interaction with 01F, which briefly hampered the development of the system. [12] However, by the time Fiji had named it Nisha, the Tahiti Meteorological Service had named it Orama, which was retained in order to save any confusion to the local public. Ahead of the cyclone season formally starting, the Fiji Meteorological Service (FMS), Australian Bureau of Meteorology (BoM), New Zealand's MetService and National Institute of Water and Atmospheric Research (NIWA) and various other Pacific Meteorological services, all contributed towards the Island Climate Update tropical cyclone outlook that was released during October 2020. The Atlantic Hurricane Basin. What months have the most hurricanes? It hampered the system intensification due to a brief interaction with Tropical Depression 01F. It includes their intensity on the Australian tropical cyclone intensity scale, duration, name, landfalls, deaths, and damages. [7], The system that was to become Tropical Cyclone Kina was first noted on November 6, while it was located just to the east of Tuvalu. But let's not forget there were other significant storms that season, too. Please sign your comments using four tildes (~~~~). The average numbers of tropical cyclones during the season in the western and eastern regions are six and four, respectively. Yasa continued its weakening trend as it turned southward, dropping to Category 1 tropical cyclone status late on December 18. [1], During the season, ten of the fourteen tropical cyclones observed to the east of 160 E were severe tropical cyclones, with 5 of them occurring in the French Polynesia region which represented one more than was experienced in the same area over the previous 13 seasons. [18][19] The depression was subsequently named Tomasi by the FMS during March 29, after it had developed into a Category 1 tropical cyclone on the Australian scale. Mark existed from January 20 to February 1. [6] During that day the system started to move towards the west-south-west and made landfall on the northern Espiritu Santo. During December 11, the FMS reported that Tropical Disturbance 03F had developed about 480 km (300 mi) to the northeast of the island nation of Niue. During December 8, the FMS reported that Tropical Disturbance 01F had developed about 145 km (90 mi) to the northeast of Apia in Samoa. Yasa became the most intense tropical cyclone of 2020, surpassing Goni with a minimum barometric pressure of 899 mb (26.55 inHg) and a maximum wind speed of 250 km/h (155 mph). [4] They predicted that the Western region between 142.5°E and 165°E, had a 60% chance of seeing activity above its average of 4 tropical cyclones. The next 10 names on the naming list are listed here below.[32]. [4] Within their outlook the FMS predicted that between four and six tropical cyclones would occur within the basin compared to an average of around 7. Most of the activity during the season occurred within the central and eastern parts of the basin with French Polynesia affected by several systems. The service noted that these figures were revised in August with the expectation of 19 to 25 named storms, seven to eleven hurricanes and three to six major hurricanes. The first tropical cyclone of the season is brewing across the South Pacific and it can bring impacts to Fiji and Vanuatu. However, since the system is not in the official database, its record is henceforth unofficial. [22] The storm continued rapidly intensifying and strengthened to a Category 5 tropical cyclone on the Australian scale, the highest rating possible, whilst completing its loop, with a central pressure of 929 mbar and wind speeds of 110 knots (125 mph). [10] However, environmental conditions were only marginally conducive for intensification, with strong vertical wind shear inhibiting further development. Keep betting pools off this page - there are separate forum pages for those. [3] The outlook took into account the ENSO neutral conditions that had been observed across the Pacific and analog seasons, that had ENSO neutral and El Nino conditions occurring during the season. Yasa formed on December 11 and became a Category 5 cyclone, impacting Fiji. Season which produced nineteen named storms, though most were rather weak and short-lived is! The Saffir–Simpson scale. 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