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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 ...
Berrimah radar The Bureau of Meteorology is the main provider of weather forecasts , warnings and observations to the Australian public. The Bureau's head office is in Melbourne Docklands , which includes the Bureau's Research Centre, the Bureau National Operations Centre, the National Climate Centre, the Victorian Regional Forecasting Centre ...
179 mph (288 km/h) An X-band mobile radar owned by the University of Massachusetts (UMass X-Pol) observed the tornado for roughly 34 minutes after its birth. Recorded winds "exceeding 80 m/s" (179 mph; 288 km/h) were noted roughly 1.5 km above the radar level. [31] EF2 June 5, 2009: Goshen County, Wyoming — — 271 mph (436 km/h)
3.05 mi (4.91 km) 100 yd (91 m) High-resolution satellite imagery showed extensive tree damage in an inaccessible area that aligned with a tornadic debris signature on radar. Some trees were able to be surveyed, allowing for a rating. [20] EF1 SW of Gillsburg to NE of Osyka: Amite, Pike: MS
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 Distant Early Warning (DEW) Line, constructed in the late 1950s, was reaching obsolescence in the 1980s.With the signing of North American Air Defence Modernization agreement at the "Shamrock Summit" between Prime Minister Mulroney and President Reagan in Quebec City on 18 March 1985, the DEW Line began its eventual upgrading and transition becoming the North Warning System (NWS) of today.
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Rains in the state reached 5.04 in (128 mm) in Hastings. [58] [21] September 20 – Hurricane Rita passed south of the Florida Keys before entering the Gulf of Mexico. The outer rainbands produced 58 mph (93 km/h), along with 5.04 in (128 mm) of rainfall, which caused minor flooding and power outages. [59]