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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 ...
image = OSM central Sydney.png The default map image, without "Image:" or "File:" top = -33.8528 Latitude at top edge of map, in decimal degrees; bottom = -33.8832 Latitude at bottom edge of map, in decimal degrees; left = 151.196 Longitude at left edge of map, in decimal degrees; right = 151.232 Longitude at right edge of map, in decimal degrees
17.8 (64.0) 20.8 (69.4) 22.8 (73.0) ... NSW Government's Bureau of Meteorology Australia's weather radars for the Sydney Region. The radar is close to the ...
image = Location map Australia Sydney.png The default map image, without "Image:" or "File:" top = -33.581 Latitude at top edge of map, in decimal degrees; bottom = -34.115 Latitude at bottom edge of map, in decimal degrees; left = 150.639 Longitude at left edge of map, in decimal degrees; right = 151.429 Longitude at right edge of map, in ...
In general, the useful range compromise is 100–150 km for reflectivity. This means for a wavelength of 5 cm (as shown in the diagram), an unambiguous velocity range of 12.5 to 18.75 metre/second is produced (for 150 km and 100 km, respectively). For a 10 cm radar such as the NEXRAD, [15] the unambiguous velocity range would be doubled.
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 scale of dBZ values can be seen along the bottom of the image. dBZ is a logarithmic dimensionless technical unit used in radar. It is mostly used in weather radar, to compare the equivalent reflectivity factor (Z) of a remote object (in mm 6 per m 3) to the return of a droplet of rain with a diameter of 1 mm (1 mm 6 per m 3). [1]
The maximum temperature was only 15.4 °C (60 °F), making it the coldest April day since 1983, according to BOM. [136] 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. [137]