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2. 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.).

3. AccuWeather Network - Wikipedia

   en.wikipedia.org/wiki/AccuWeather_Network

   The left top two-thirds of the ticker cycles between current weather conditions (including sky condition, actual and RealFeel (or apparent) temperatures, wind speed/direction and ultraviolet indexes), two-hour MinuteCasts and a loop of Doppler weather radar imagery over the course of one hour, while the bottom one-third of that area displays a ...

4. 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 ...

5. List of National Weather Service Weather Forecast Offices

   en.wikipedia.org/wiki/List_of_National_Weather...

   Map of regions covered by the 122 Weather Forecast Offices. The National Weather Service operates 122 weather forecast offices. [1] [2] Each weather forecast office (WFO or NWSFO) has a geographic area of responsibility, also known as a county warning area, for issuing local public, marine, aviation, fire, and hydrology forecasts.

6. AccuWeather - Wikipedia

   en.wikipedia.org/wiki/AccuWeather

   The National Weather Service, which provides large amounts of the data that AccuWeather repackages and sells for profit, also provides that same information for free by placing it in the public domain. On April 14, 2005, U.S. Senator Rick Santorum (R-PA) introduced the "National Weather Service Duties Act of 2005" in the U.S. Senate. The ...

7. National Weather Service - Wikipedia

   en.wikipedia.org/wiki/National_Weather_Service

   The first Weather Bureau radiosonde was launched in Massachusetts in 1937, which prompted a switch from routine aircraft observation to radiosondes within two years. The Bureau prohibited the word "tornado" from being used in any of its weather products out of concern for inciting panic (a move contradicted in its intentions by the high death tolls in past tornado outbreaks due to the lack of ...

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. Weather satellite - Wikipedia

   en.wikipedia.org/wiki/Weather_satellite

   A weather satellite or meteorological satellite is a type of Earth observation satellite that is primarily used to monitor the weather and climate of the Earth. Satellites are mainly of two types: polar orbiting (covering the entire Earth asynchronously) or geostationary (hovering over the same spot on the equator ).