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  2. Northern California TRACON - Wikipedia

    en.wikipedia.org/wiki/Northern_California_TRACON

    San Francisco International Airport is the second largest airport in California and the largest airport serving Northern California. When an arriving aircraft nears the Bay Area, Oakland Center advises it to contact NorCal TRACON. TRACON gives the arrival a descent profile and other landing aid clearances. During busy times, TRACON often has to ...

  3. 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 ...

  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. Ohio could see northern lights this weekend. But what are ...

    www.aol.com/ohio-could-see-northern-lights...

    Ohio weather forecast for the northern lights According to the National Weather Service, Friday night looks good for aurora watching, if it appears. The forecast calls for mostly clear skies for ...

  6. Rainy forecast renews debris slide fears in Southern ... - AOL

    www.aol.com/news/trio-storms-threatens-nearly...

    As California prepares for heavy rain in areas recently burned by wildfires, the first of three storms expected in the US this week impacted communities from the Ohio Valley east to New Jersey.

  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. Atmospheric river will continue to drench portions of ... - AOL

    www.aol.com/atmospheric-river-continues-drench...

    An atmospheric river is slamming portions of California, with multiple inches of rain expected to drench the area until the storm runs out of moisture Wednesday morning, forecasters say ...

  9. Doppler radar - Wikipedia

    en.wikipedia.org/wiki/Doppler_radar

    A Doppler radar is a specialized radar that uses the Doppler effect to produce velocity data about objects at a distance. [1] It does this by bouncing a microwave signal off a desired target and analyzing how the object's motion has altered the frequency of the returned signal.