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The majority of Australia's weather radars are operated by the Bureau of Meteorology (BoM), an executive agency of the Australian Government.The radar network is continually being upgraded with new technology such as doppler and dual polarisation to provide better now-casting.
The Bureau of Meteorology's Dampier radar sustained significant damage, there was some damage to property, including Karratha Airport, and to vessels moored in the area. Heavy rainfall caused flooding initially through the Kimberley when the system was a tropical low, then through the Pilbara and eastern Gascoyne .
During the warmer summer months, low-level surface troughs normally cross over the west coast of Australia, which often leads to isolated thunderstorm development in inland Western Australia, only occasionally reaching the coast (such as on 20 December 2009, when a storm developed south of Perth and gave the city of Mandurah 2.8 millimetres (0.11 in) of rain for the month).
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 ]
BOM-issued tornado warnings are outlined as either a broad-based warning, covering expected impacts within a weather reporting area, or as a detailed warning, when a thunderstorm is within weather-watch radar range and includes a map depicting any existing thunderstorms and the forecast direction of movement for up to 60 minutes.
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.).
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The 2012–13 Australian region cyclone season was a slightly below average tropical cyclone season event in the ongoing cycle of tropical cyclone formation. It officially started on 1 November 2012, and officially ended on 30 April 2013, despite Cyclone Zane being an active system at the time (it dissipated a day later on 1 May).