When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  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. Philadelphia, PA Weather - Hourly Forecasts and Local ... - AOL

    www.aol.com/weather/forecast/us/philadelphia...

    Get the Philadelphia, PA local weather forecast by the hour and the next 10 days. ... Christmas travel tracker: Live maps, airport status, flight delays, forecast and more.

  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. Advanced Technology Demonstrator - Wikipedia

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

    Like MPAR and NEXRAD, the ATD radar operates in the S-band, itself utilizing a flat panel phased array with a 90° field of view. The overall panel is actually composed of 76 square panels, each with 64 radiating elements (in total some 4,864 elements) arranged on a 14-foot (4.3 m) antenna.

  6. How does Doppler radar work? Is it accurate? Here’s what to ...

    www.aol.com/news/does-doppler-radar-accurate...

    For premium support please call: 800-290-4726 more ways to reach us

  7. National Severe Storms Laboratory - Wikipedia

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

    NSSL's first Doppler weather radar, the NSSL Doppler, located in Norman, Oklahoma. 1970s research using this radar led to NWS NEXRAD WSR-88D radar network. The first tornado captured on May 24, 1973, by the NSSL Doppler weather radar and NSSL chase personnel. The tornado is here in its early stage of formation near Union City, Oklahoma

  8. 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 [7] is active, which adds a supplemental low-level scan while completing a volume scan ...

  9. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!