[14] The system subsequently re-entered the basin as an extratropical cyclone on February 6, before it dissipated to the west of New Zealand on February 8. Surface reports and satellite data over the southern Tasman Sea demonstrated that Nancy' s structure still contained a significasnt low pressure centre for two days after this date. From this position, the depression headed equatorward along a parabolically …

Cyclone Nancy (1990) – made landfall near Byron Bay. Winds on the island gusted up to 241 km/h (150 mph). [8] During the next day the system subsequently started to curve south-eastwards and away from Tuvalu, before the NWOC initiated advisories on the system and designated it as Tropical Cyclone 13P. Bureau of Meteorology, Tropical cyclone impacts along the Australian east coast from November 1858 to 2000, website viewed 6 May 2011 Bureau of Meteorology, Queensland flood summary 1990-1999 website viewed 6 May 2011 Insurance Council of Australia, Historical disaster statistics, March 2012, website viewed 25 May 2012.

November 8–10, 1989, Tropical Depression near Samoa, December 14–17, 1989, https://en.wikipedia.org/w/index.php?title=1989–90_South_Pacific_cyclone_season&oldid=971132003#Tropical_Cyclone_Nancy, Articles with dead external links from September 2020, Articles with permanently dead external links, Articles which contain graphical timelines, Creative Commons Attribution-ShareAlike License, Category 4 severe tropical cyclone (Australian scale), Category 1 tropical cyclone (Australian scale), Category 3 severe tropical cyclone (Australian scale), Category 2 tropical cyclone (Australian scale), This page was last edited on 4 August 2020, at 10:49. [17], The following depressions were also monitored by TCWC Nadi, however these systems were either short lived or did not develop significantly. [2][13] While the system was in the basin the JTWC estimated that Nancy had peak 1-minute sustained winds of [A 2] This is the period of the year when most tropical cyclones form within the South Pacific Ocean.

An average season has nine tropical cyclones, about half of which become severe tropical cyclones. Subsequent flooding affected rivers in the central and south-east regions including the Albert, Nerang, Logan, Paroo, Bulloo and Mary. On the 2nd , tropical Cyclone "Nancy" produced heavy rains and local flooding to the Gold Coast hinterland area. Nancy reached peak intensity at 0300, 1 February near 24.7°S, 158.2°E with a maximum winds of 100 km/h and central pressure of 975 hPa. [15] Despite marginal gale-force winds being present in the depressions eastern quadrant, strong north-westerlies prevented the depression, from strengthening into a tropical cyclone.

This table lists all the storms that developed in the South Pacific basin during the 1989–90 season.

The JTWC issued warnings between 160°E and the International Date Line whilst the NWOC issued warnings for tropical cyclones forming between the International Date Line and the coasts of the Americas. [16] Over the next couple of days, the system moved through the Tasman Sea and passed near New Zealand's South Island, before it was absorbed into a high-latitude trough of low pressure.

An upper level trough eventually amplified in the vicinity of the depression and set up good outflow channels for further development. [18] Over the next 24 hours the system moved southwards before it turned towards the southwest during March 19, as it approached and started to affect the Fijian Islands. [11] Later that day TCWC Nadi also estimated that the system had peaked with 10-minute sustained wind speeds of 185 km/h (115 mph) as a category 4 severe tropical cyclone,. Cyclone Nancy caused $14 million in damages to Queensland and NSW, Australia and killed four people. [3][4] Over the next couple of days, in response to an upper level trough of low pressure weakening, the depression slowly weakened further, while accelerating to towards the southeast. [15] The only damage that could be attributed to the depression is a number of houses that were destroyed on the Tuvaluan atoll of Vaitupu on February 6, however it is possible that the houses were destroyed by the strong and squally north-westerlies that were prevailing over the northern islands of Tuvalu at that time.

Five people drowned in northern NSW (and a sixth in Queensland) as a result of flooding. Both the JTWC and the NWOC designated tropical cyclones with a number and a P suffix with numbers assigned in order to tropical cyclones developing within the whole of the Southern Hemisphere. The convoluted nature of the upper level trough helped steer Nancy southwards. [15] As Tuvalu, Western Samoa, American Samoa, Tonga, Niue had all been affected by Cyclone Ofa a few days earlier; any damage would have been difficult to assess. [1], During the season at least 15 people were killed from tropical disturbances whilst overall damage was estimated at $196 million. [9][2] Over the few days the system moved towards the south-southeast and intensified further.

It includes their intensity on the Australian Tropical cyclone intensity scale, duration, name, areas affected, deaths, and damages. During the later part of January, the monsoon trough became active over the southwest Pacific and two depressions were spawned along it. Season 1989-1990 Tropical Cyclone NANCY Track Map: Season 1989-1990 Summaries: - Previous TC | BoM 1989-1990 Season | Next TC->> Lat/long Grid: Show Hide Date Labels: Show Hide. However, because it did not have the "classical characteristics of a tropical cyclone", it was treated as a tropical depression by the BoM and the FMS.

[15], During March 7, Tropical Cyclone Hilda moved into the basin from the Australian region, as a category 2 tropical cyclone while it was located about 640 km (400 mi) to the northeast of Noumea, New Caledonia. Australian Journal of Emergency Management, Australian Disaster Resilience Conference, Centre of Excellence for Prescribed Burning, Tropical Cyclone Nancy Report | Bureau of Meteorology. As a result of the impacts caused by Ofa and Peni, the names were retired from the tropical cyclone naming lists.[1].

[13], On February 6, the FMS reported that a depression had developed, within the South Pacific Convergence Zone near the islands of Tuvalu. [17] At this time the depression appeared disorganised in satellite imagery, with estimated sustained windspeeds of between 35 to 55 km/h (20 to 35 mph) in a broad area to the north and east of the depression center. 215 km/h (130 mph), which made it equivalent to a category 1 hurricane on the SSHWS.

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