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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 ...
The Bureau of Meteorology noted that "Kalgoorlie Doppler Radar image at 0725 UTC (1525 AWST) showed a pixel which had an inbound velocity of around 110 km/h at a height of ~487 metres above the ground (aliased: 22.5 m/s outbound)" in the tornado record for this event. [181] F0 Kurnell Tornado: 16 December 2015: New South Wales: 1: 3 injuries
The maximum temperature was only 15.4 °C (60 °F), making it the coldest April day since 1983, according to BOM. [118] On 16 December 2015, a tornado with a windspeed of 213 km/h tore along Sydney's southern coast, where it ripped off roofs, destroyed homes and overturned trucks. Kurnell and Bondi Junction were the most hard hit. [119]
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 ]
Weather radar in Norman, Oklahoma with rainshaft Weather (WF44) radar dish University of Oklahoma OU-PRIME C-band, polarimetric, weather radar during construction. Weather radar, also called weather surveillance radar (WSR) and Doppler weather radar, is a type of radar used to locate precipitation, calculate its motion, and estimate its type (rain, snow, hail etc.).
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 128 km Gympie (Mt Kanigan) Radar Loop in the south west of the locality is a doppler radar station that is part of the National Radar Loop of the Bureau of Meteorology. [11] The land use is predominantly grazing on native vegetation with small amounts of crop growing and rural residential housing. [12]
Radar image of the 2021 Sydney hailstorm at its peak intensity. On 14 October 2021, multiple severe thunderstorm formed over the blue mountains and quickly moved east towards Sydney. One particular storm boasted an impressive hook echo on radar, and doppler winds indicates the presence of a broad mesocyclone. As a result, the Bureau of ...