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This was a modified version of the AN/APS-2F radar, which the Weather Bureau acquired from the Navy. The WSR-1A, WSR-3, and WSR-4 were also variants of this radar. [88] This was followed by the WSR-57 (Weather Surveillance Radar – 1957) was the first weather radar designed specifically for a national warning network. Using WWII technology ...
A map of France in 1843 under the July Monarchy. By the French Revolution, the Kingdom of France had expanded to nearly the modern territorial limits. The 19th century would complete the process by the annexation of the Duchy of Savoy and the County of Nice (first during the First Empire, and then definitively in 1860) and some small papal (like Avignon) and foreign possessions.
2006 – Weather radar improved by adding common precipitation to it such as freezing rain, rain and snow mixed, and snow for the first time. 2007 – The Fujita scale is replaced with the Enhanced Fujita scale for National Weather Service tornado assessments. [83] 2010s – Weather radar dramatically advances with more detailed options. [specify]
The First French Empire [4] [a] or French Empire (French: Empire français; Latin: Imperium Francicum) and also known as Napoleonic France, was the empire ruled by Napoleon Bonaparte, who established French hegemony over much of continental Europe at the beginning of the 19th century.
In addition, there was steady immigration, especially from former French colonies in North Africa. The population grew from 41 million in 1946, to 50 million in 1966, and 60 million by 1990. The farming population declined sharply, from 35% of the workforce in 1945 to under 5% by 2000. By 2004, France had the second highest birthrate in Europe.
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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To a large extent, modern France lies within clear limits of physical geography.Roughly half of its margin lies on sea coasts: one continuous coastline along "La Manche" ("the sleeve" or English Channel) and the Atlantic Ocean forming the country's north-western and western edge, and a shorter, separate coastline along the Mediterranean Sea forming its south-eastern edge.