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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. 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. 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 ...

5. Residents flee as California and Nevada wildfires get ... - AOL

   www.aol.com/residents-flee-california-nevada...

   Doppler radar-indicated thunderstorms are producing heavy rain across the warned area at a rate of 1 to 2 inches per hour. ... • Thousands evacuated in California mountain communities: ...

6. 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.).

7. Mount Umunhum - Wikipedia

   en.wikipedia.org/wiki/Mount_Umunhum

   Mount Umunhum. Mount Umunhum (/ ˈʌmənʌm / UH-mə-num) is a peak in the Santa Cruz Mountains, located in Santa Clara County, California. It is the fourth-highest peak in the Santa Cruz Mountains, after Loma Prieta, Crystal Peak, and Mount Chual. Most of the mountain is located within the Sierra Azul Open Space Preserve.

8. Boydton, VA Weather - Hourly Forecasts and Local ... - AOL

   www.aol.com/weather

   The maps from FOX Weather show the current radar and conditions across the nation as a record number of Americans travel for Thanksgiving. ... Bomb cyclone slamming Washington to California with ...

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 ...