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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.).
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.
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 ...
Here's a look at the current doppler radar loop from the National Weather Service in Des Moines: What should I do during a flash flood? NWS says that during a flood, water levels and the rate the ...
The left top two-thirds of the ticker cycles between current weather conditions (including sky condition, actual and RealFeel (or apparent) temperatures, wind speed/direction and ultraviolet indexes), two-hour MinuteCasts and a loop of Doppler weather radar imagery over the course of one hour, while the bottom one-third of that area displays a ...
After hitting the Southeast on Saturday with thunderstorms and tornadoes, heavy rain and storm potential is set to shift to the East Coast on Sunday, the weather service said. Though the storm ...
The first to launch with the initial rollout were Weatherscan Local (the primary service, offering a complete local weather segment every two minutes) and Weatherscan Radar (featuring a continuous 75-mile (121 km) Doppler radar loop, along with severe weather alerts when warranted).
Maps show the areas impacted by storm surge, rainfall levels and more as Helene, once a major hurricane and now a tropical storm, moves inland from Florida's Gulf Coast over Georgia.