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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 ...
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.).
Crohamhurst Observatory on its opening day, 1935. Crohamhurst Observatory was constructed in 1935 on Inigo Owen Jones' property Crohamhurst, near Peachester.It was built for use by Jones as the site of solar and planetary observations and weather measurements used in long-range weather forecasting, and as the headquarters of his forecasting service.
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 2024–25 Australian region cyclone season is an ongoing weather event in the southern hemisphere. The season has officially started on 1 November 2024 and will end on 30 April 2025, however, a tropical cyclone could form at any time between 1 July 2024 and 30 June 2025 and would count towards the season total.
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]
three active radar stations: one near Longreach, Queensland (Radar 1), a second near Laverton, Western Australia (Radar 2), and a third near Alice Springs, Northern Territory (Radar 3); a control centre at RAAF Base Edinburgh in South Australia (JCC); seven transponders; and; twelve vertical ionosondes distributed around Australia and its ...
The BoM upgraded the storm to a Category 4 severe tropical cyclone at 12:00 UTC, [145] 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.