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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 (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 ]
A southerly buster is the colloquial name [1] of an abrupt southerly wind change in the southern regions of New South Wales and Victoria, Australia, which approaches from the southeast, mainly on a hot day, bringing in cool, usually severe weather and a dramatic temperature drop, thus ultimately replacing and relieving the prior hot conditions.
5 January 1863 is Sydney's first recorded 40 °C (104 °F) day, when the mercury hit 41.6 °C (106.9 °F) at Sydney's Observatory Hill. [11]During January 1896, a state wide heatwave blasted through NSW and caused the mercury in Sydney to hit 40.7 °C (105.3 °F) on the 6th and 42.5 °C (108.5 °F) on the 13th, this ended Sydney's longest streak of days under 40.0 °C (104.0 °F) which lasted ...
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.).
Flash flooding along the coast was recorded as a result of the storms. For the first time in over 30 years, a severe weather warning and flood watch was posted for the entire 2,000 km NSW Coast. [36] More than 3,000 were received across NSW by 5 June, with 9,000 homes across Sydney and the Central Coast without power throughout Sunday.
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Rainfall forecasts can be verified a number of ways. Rain gauge observations can be gridded into areal averages, which are then compared to the grids for the forecast models. Weather radar estimates can be used outright, or corrected for rain gauge observations. [4] Several statistical scores can be based on the observed and forecast fields.