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The transition to polarimetric (dual-polarised) radars began in 2017 with the upgrade of 4 Meteor 1500 radars located in Melbourne, Brisbane, Adelaide, and Sydney. [7] The network has further been enhanced through the installation of 8 new polarimetric Meteor 735 radars across WA, [8] NSW [9] & Victoria, [10] and two polarimetric WRM200 radars [11] manufactured by Vaisala, one to replace the ...
During the season a total of 3 tropical cyclones received a name from BoM, either by TCWC Perth, Darwin, or Brisbane, when the system was judged to have 10-minute sustained windspeeds of 65 km/h (40 mph). There has only been one list that the Bureau of Meteorology have assigned
The Bureau of Meteorology (BOM or BoM) is an executive agency of the Australian Government responsible for providing weather services to Australia and surrounding areas. It was established in 1906 under the Meteorology Act, and brought together the state meteorological services that existed before then. [ 3 ]
The 2014–15 Australian region cyclone season was a slightly below average tropical cyclone season, though it featured numerous intense cyclones. The season officially ran from 1 November 2014, to 30 April 2015, however, a tropical cyclone could form at any time between 1 July 2014, and 30 June 2015, and would count towards the season total.
The BoM upgraded the storm to a Category 4 severe tropical cyclone at 12:00 UTC, [144] Operationally, the BoM classified Megan a Category 3 severe tropical cyclone with winds of 155 km/h (100 mph), but during post-cyclone reanalysis concluded a peak wind speed of 165 km/h (105 mph) based on Synthetic-aperture radar measurements.
The Bureau of Meteorology noted on 29 November that a low-pressure system located over the Solomon Islands had developed into a tropical low. [23] The following day, as the system approached Tagula Island on a south-westwards track, the Joint Typhoon Warning Center issued a tropical cyclone formation alert as the system improved in organisation ...
On the morning of 5 April local time, the Bureau of Meteorology began monitoring a developing tropical low located in the Indian Ocean, approximately 710 km (440 mi) east of Christmas Island. [64] The system tracked south-westwards throughout the day, before adopting a course to the south-southwest during the night. [ 64 ]
Australian east coast cyclones vary in size from mesoscale, around 10–100 km (6–62 mi), to synoptic scale, approximately 100–1,000 km (62–621 mi). [14] [15] Cold core cyclones are more predominant in the southern parts of the ECL region during the cool season, while hybrid cyclones are more regular closer to the tropics, particularly in ...