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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. Terminal Doppler Weather Radar - Wikipedia

    en.wikipedia.org/wiki/Terminal_Doppler_Weather_Radar

    A NEXRAD weather radar currently used by the National Weather Service (NWS) is a 10 cm wavelength (2700-3000 MHz) radar capable of a complete scan every 4.5 to 10 minutes, depending on the number of angles scanned, and depending on whether or not MESO-SAILS is active, which adds a supplemental low-level scan while completing a volume scan. Its ...

  4. Advanced Technology Demonstrator - Wikipedia

    en.wikipedia.org/wiki/Advanced_Technology...

    4.3 m (14 ft) Azimuth. 360°. Advanced Technology Demonstrator (ATD) is an experimental weather radar system using Phased Array technology seeking to enhance Phased Array capabilities with the addition of dual-polarity and pulse compression. [1] Its predecessor, MPAR, was the first large-scale PAR experiment taken on by NOAA in 2003, and was ...

  5. Norad Santa tracker – live: Follow Father Christmas and his ...

    www.aol.com/norad-santa-tracker-live-father...

    Anyone can call 1-877 HI-NORAD (1-877-446-6723) to talk directly to Norad staff members who will provide updates on Santa’s exact location. ‘Santa is on his way’ 05:00 , Namita Singh

  6. National Severe Storms Laboratory - Wikipedia

    en.wikipedia.org/wiki/National_Severe_Storms...

    NSSL scientists helped develop the Weather Surveillance Radar - 1988 Doppler (WSR-88D) radars, also known as NEXt-generation RADar (NEXRAD).Since the first Doppler weather radar became operational in Norman in 1974, NSSL has worked to extend its functionality, and proved to the NOAA National Weather Service (NWS) that Doppler weather radar was important as a nowcasting tool.

  7. UPDATE: Flash flood warning previously issued will ... - AOL

    www.aol.com/flash-flood-warning-dallas-county...

    The warning was for Dallas County. "At 6:35 a.m., Doppler radar indicated thunderstorms produced heavy rain across the warned area. Between 2 and 2.75 inches of rain have fallen.

  8. Langley Hill Doppler radar - Wikipedia

    en.wikipedia.org/wiki/Langley_Hill_Doppler_radar

    The Langley Hill Doppler radar (KLGX) is a National Weather Service NEXRAD Doppler weather radar station on the Pacific coast of Washington State, in the United States. Prior to its construction, Washington's Olympic Peninsula coast was the only portion of the U.S. coastline without weather radar coverage, and "virtually no radar coverage [is] available over the ocean, where the majority of ...

  9. 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 ...