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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 ...
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 ...
Doppler effect. The emitted signal toward the car is reflected back with a variation of frequency that depends on the speed away/toward the radar (160 km/h). This is only a component of the real speed (170 km/h). The Doppler effect (or Doppler shift), named after Austrian physicist Christian Doppler who proposed it in 1842, is the difference ...
Find out the hourly and 10-day weather forecast for Boydton, VA, and stay updated on local and global weather events with AOL Weather.
NOAA issues highest-ever early forecast for the coming hurricane season. In the highest hurricane season forecast they have ever issued in May, forecasters with NOAA predict an above-normal number of storms. The 2024 NOAA hurricane season forecast is unlike any other. See the record predictions.
2024 Indy 500 weather forecast today, May 26, in Indianapolis, IN. Will it rain? AccuWeather is calling for a 97% chance of rain on Race Day with a 92% probability of thunderstorms .
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