which is performed about every six minutes. In all, about 50 different products are produced in each WSR88D volume scan. In addition, these doppler radars, based on volume scans of the atmosphere, use algorithms to create additional radar products that include storm total rainfall estimates, vertically integrated liquid (to determine the possibility of hail) as well as radial velocity and storm relative motion which is particularly important in detecting the presence of mesocyclones which can contain tornadoes. These computer aided radars are far superior to the earlier radars mainly due to the fact that the radar beam itself was about 2 to 3 times as sensitive as the previous radars when considering signal strength and how we were able to view precipitation. Departments of Defense and Transportation, developed a network of new doppler weather radars (the WSR88D) across the United States. It was in the late 1980s that the National Weather Service, in a tri-agency effort with the U. With tremendous strides in technology, the WSR57 and the WSR74 quickly out grew their usefulness and became harder to maintain during the 1980s. with the WSR standing for "weather surveillance radar." Weather radars were made more solid state with the advent of the "WSR74" in the mid 1970s. ![]() with the individual radar unit referred to as "WSR57". Weather Bureau developed their first network of vacuum tube radars in 1957. Radar has been in use detecting precipitation here in the United States since the late 1950s. The word "radar," which is an acronym for "radio detection and ranging," is an important tool in detecting precipitation. ![]() POLAR-ORBITING SATELLITES | HOW SATELLITES ARE NAMED NOAA'S GEOSTATIONARY AND POLAR-ORBITING WEATHER SATELLITES | GOES-8 AND GOES-10
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