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The National Public Alerting System ( NPAS; French: Système national d'alertes à la population ), branded as Alert Ready ( French: En Alerte ), is the national warning system in Canada, broadcast to Canadian television, radio, and wireless devices. [1] [2] [3]
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. Doppler weather radars are able to detect the movement of ...
List of case studies on tornadoes (2020–present) Radar 3D volume scan of the 2021 Western Kentucky tornado showing debris lofted over 30,000 feet (9.1 km) in the air as the tornado struck Mayfield, Kentucky. This is a list of government or academic case studies on individual tornadoes or tornado outbreaks which occurred during the 2020s.
An emergency population warning is a method where by local, regional, or national authorities can contact members of the public to warn them of an impending emergency. These warnings may be necessary for a number of reasons, including: Weather emergencies such as tornadoes, hurricanes, and ice storms. Geological disasters such as earthquakes ...
2020. March – The European Centre for Medium-Range Weather Forecasts (ECMWF) announced that a worldwide reduction in aircraft flights due to the COVID-19 pandemic could impact the accuracy of weather forecasts, citing commercial airlines' use of Aircraft Meteorological Data Relay (AMDAR) as an integral contribution to weather forecast accuracy.
A Doppler on Wheels radar loop of a hook echo and associated mesocyclone in Goshen County, Wyoming on June 5, 2009.Strong mesocyclones show up as adjacent areas of yellow and blue (on other radars, bright red and bright green), and usually indicate an imminent or occurring tornado.
A rare, violent, and deadly long-tracked tornado [1] [4] [5] struck several villages in the Hodonín and Břeclav districts of the South Moravian Region of the Czech Republic in the evening of 24 June 2021, killing six people and injuring 576 others. [6] [7] This tornado is the widest on record in Europe, at 3.5km maximum width. [1]