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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. Doppler radar - Wikipedia

    en.wikipedia.org/wiki/Doppler_radar

    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 ...

  4. Chicago weather: Sunnier and milder today and tomorrow - AOL

    www.aol.com/news/chicago-weather-sunnier-milder...

    CHICAGO - There is a Dense Fog Advisory for Kane and McHenry counties west until 9 a.m. along with a few showers near Michigan City.. Otherwise, today will end up with clearing skies and warmer ...

  5. Weather radar - Wikipedia

    en.wikipedia.org/wiki/Weather_radar

    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.).

  6. Chicago weather warms up today prior to fall-like weekend - AOL

    www.aol.com/news/chicago-weather-warms-today...

    Chicago weather warms up today prior to fall-like weekend. Fox local. Mike Caplan. September 5, 2024 at 6:30 AM. CHICAGO - Warmer temps are on deck for Chicago today with highs in the upper 80s ...

  7. What channel is the NASCAR Xfinity Series at Chicago on today ...

    www.aol.com/channel-nascar-xfinity-series...

    NASCAR Xfinity Series in Chicago TV schedule, start time for The Loop 110 Green Flag Time: Approx. 2:30 p.m. CT Saturday Track: Chicago Street Course (2.22-mile street course) in downtown Chicago ...

  8. Pulse-Doppler radar - Wikipedia

    en.wikipedia.org/wiki/Pulse-Doppler_radar

    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.

  9. National Weather Service Chicago, Illinois - Wikipedia

    en.wikipedia.org/wiki/National_Weather_Service...

    National Weather Service Chicago, currently based in Romeoville, Illinois, is a weather forecast office responsible for monitoring weather conditions for 23 counties in Northern Illinois, the Chicago metropolitan area and Northwest Indiana. [1] The Army Signal Service established the first federal weather office in the region in Chicago on ...