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  2. KCRA-TV - Wikipedia

    en.wikipedia.org/wiki/KCRA-TV

    In July 2011, the Reports branding was phased out from the station's news branding, which changed to KCRA 3 News. In late December 2005, KCRA began using a new "Triple Doppler" system for weather reports. In addition to KCRA's own Doppler weather radar system at Walnut Grove, range and accuracy were increased by adding data from NEXRAD sites ...

  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. 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.).

  5. 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 ...

  6. Live interview with Caltrans Director - AOL

    www.aol.com/news/live-interview-caltrans...

    Caltrans Director Toks Omishkin spoke to KCRA 3 live about road conditions and resources. As Caltrans crews continue to clear highways from snow, officials are asking drivers to stay home unless ...

  7. Terminal Doppler Weather Radar - Wikipedia

    en.wikipedia.org/wiki/Terminal_Doppler_Weather_Radar

    Airports with a TDWR in the US. Another in San Juan, Puerto Rico, is not shown on this map.. Terminal Doppler Weather Radar (TDWR) is a Doppler weather radar system with a three-dimensional "pencil beam" used primarily for the detection of hazardous wind shear conditions, precipitation, and winds aloft on and near major airports situated in climates with great exposure to thunderstorms in the ...

  8. Sacramento meteorologist Mark Finan retires after 33 years at ...

    www.aol.com/sacramento-meteorologist-mark-finan...

    KCRA chief meteorologist Mark Finan stands in the KCRA weather center in November. On Friday evening, the broadcaster will give his final forecast on Channel 3. His new assignment: Travel ...

  9. Doppler on Wheels - Wikipedia

    en.wikipedia.org/wiki/Doppler_on_Wheels

    Doppler on Wheels (or DOW) is a fleet of X-band and C-band mobile and quickly-deployable truck-borne radars which are the core instrumentation of the Flexible Array of Radars and Mesonets [1] affiliated with the University of Alabama Huntsville [2] and led by Joshua Wurman, with the funding partially provided by the National Science Foundation ...

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