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2. 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 ...

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. 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. Here's how much snow fell in some Michigan cities - AOL

   www.aol.com/heres-much-snow-fell-michigan...

   Most of Michigan spent the first day of spring navigating slippery roads from the day's ongoing snowstorm. Hazardous weather alerts remain in effect for Livingston, Oakland and Macomb counties ...

6. Southeast Michigan forecast: Record high temps, hail ... - AOL

   www.aol.com/southeast-michigan-forecast-record...

   Hang on to your hats, folks. Meteorologists predict that in southeast Michigan, the weather will be a wild ride with strong wind gusts, perhaps even a tornado, large hail, thunder, and snowstorms ...

7. Southeast Michigan averted storms for now, but more ... - AOL

   www.aol.com/southeast-michigan-averted-storms...

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8. History of synthetic-aperture radar - Wikipedia

   en.wikipedia.org/wiki/History_of_synthetic...

   A more advanced focused-radar project was among several remote sensing schemes assigned in 1953 to Project Michigan, a tri-service-sponsored (Army, Navy, Air Force) program at the University of Michigan's Willow Run Research Center (WRRC), that program being administered by the Army Signal Corps. Initially called the side-looking radar project ...

9. dBZ (meteorology) - Wikipedia

   en.wikipedia.org/wiki/DBZ_(meteorology)

   dBZ (meteorology) The scale of dBZ values can be seen along the bottom of the image. Decibel relative to Z, or dBZ, is a logarithmic dimensionless technical unit used in radar, mostly in weather radar, to compare the equivalent reflectivity factor (Z) of a remote object (in mm 6 per m 3) to the return of a droplet of rain with a diameter of 1 ...