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2. 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.

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. 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. ... TV Line. Dabney Coleman, Emmy winner and star of '9 to 5' and 'Tootsie,' dead at 92. Entertainment.

5. 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 ...

6. Pulse-Doppler radar - Wikipedia

   en.wikipedia.org/wiki/Pulse-Doppler_radar

   A pulse-Doppler radar is a radar system that determines the range to a target using pulse-timing techniques, and uses the Doppler effect of the returned signal to determine the target object's velocity. It combines the features of pulse radars and continuous-wave radars, which were formerly separate due to the complexity of the electronics .

7. 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. ... TV Line. Dabney Coleman, Emmy winner and star of '9 to 5' and 'Tootsie,' dead at 92. Finance. Finance.

8. 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 ...

9. 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. ... The Weather Channel's Stephanie Abrams told "CBS Mornings" that La Niña and high ocean temperatures could ...