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NEXRAD or Nexrad (Next-Generation Radar) is a network of 159 high-resolution S-band Doppler weather radars operated by the National Weather Service (NWS), an agency of the National Oceanic and Atmospheric Administration (NOAA) within the United States Department of Commerce, the Federal Aviation Administration (FAA) within the Department of Transportation, and the U.S. Air Force within the ...
The Korea Meteorological Administration ( KMA; Korean : 기상청; Hanja : 氣象廳; RR : Gisangcheong) is the national meteorological service of the Republic of Korea. The service started in 1904 joining the WMO in 1956. Numerical Weather Prediction is performed using the Unified Model software suite.
The pulse width ( ) (or pulse duration) of the transmitted signal is the time, typically in microseconds, each pulse lasts. If the pulse is not a perfect square wave, the time is typically measured between the 50% power levels of the rising and falling edges of the pulse. The pulse width must be long enough to ensure that the radar emits ...
A pulse-Doppler radar is a radar system that determines the range to a target using pulse-timing techniques, and uses the Doppler effect of the returned signal to determine the target object's velocity. It combines the features of pulse radars and continuous-wave radars, which were formerly separate due to the complexity of the electronics .
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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.). Modern weather radars are mostly pulse-Doppler radars, capable of detecting the motion of rain droplets in addition to the intensity of the ...
The average annual temperature is 12.8°C. The coldest month is January with -1.9°C, the hottest month is August with 26.1°C, and the annual temperature difference is very large with 28.0°C. The average annual precipitation is 1417.9mm, with the lowest precipitation in January at 16.8mm and the highest in July at 414.4mm in July.
The most distinct climate change predicted for South Korea is an increase in the range of temperature fluctuation throughout the four seasons. The number of record minimum temperature days has decreased rapidly. The maximum precipitation during the summer has increased. The increased possibility for new types of strong weather damage evokes the ...
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