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2. NEXRAD - Wikipedia

   en.wikipedia.org/wiki/NEXRAD

   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 ...

3. Weather radar - Wikipedia

   en.wikipedia.org/wiki/Weather_radar

   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 ...

4. Powerful radars, limited scope: How no one spotted a ... - AOL

   www.aol.com/powerful-radars-limited-scope-no...

   The National Weather Service, the Federal Aviation Administration and the U.S. Air Force operate the Next Generation Weather Radar, or NEXRAD, system of 160 high-resolution weather radars that ...

5. High-frequency Active Auroral Research Program - Wikipedia

   en.wikipedia.org/wiki/High-frequency_Active...

   The High-frequency Active Auroral Research Program ( HAARP) is a University of Alaska Fairbanks program which researches the ionosphere – the highest, ionized part of Earth's atmosphere . The most prominent instrument at HAARP is the Ionospheric Research Instrument (IRI), a high-power radio frequency transmitter facility operating in the high ...

6. Geostationary Operational Environmental Satellite - Wikipedia

   en.wikipedia.org/wiki/Geostationary_Operational...

   The Geostationary Operational Environmental Satellite ( GOES ), operated by the United States' National Oceanic and Atmospheric Administration (NOAA)'s National Environmental Satellite, Data, and Information Service division, supports weather forecasting, severe storm tracking, and meteorology research. Spacecraft and ground-based elements of ...

7. Doppler radar - Wikipedia

   en.wikipedia.org/wiki/Doppler_radar

   A Doppler radar is a specialized radar that uses the Doppler effect to produce velocity data about objects at a distance. [1] It does this by bouncing a microwave signal off a desired target and analyzing how the object's motion has altered the frequency of the returned signal. This variation gives direct and highly accurate measurements of the radial component of a target's velocity relative ...

8. Weather satellite - Wikipedia

   en.wikipedia.org/wiki/Weather_satellite

   GOES-16, a United States weather satellite of the meteorological-satellite service. A weather satellite or meteorological satellite is a type of Earth observation satellite that is primarily used to monitor the weather and climate of the Earth. Satellites can be polar orbiting (covering the entire Earth asynchronously), or geostationary ...

9. At least 3 dead after damaging EF3 tornado levels homes in ...

   www.aol.com/weather/damaging-tornado-levels...

   An AccuWeather Radar loop shows a damaging tornado moving through Cole, Oklahoma, Wednesday evening.