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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.).
The scale of dBZ values can be seen along the bottom of the image. dBZ is a logarithmic dimensionless technical unit used in radar. It is mostly used 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 mm (1 mm 6 per m 3). [1]
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 ...
In the mountains east of Fresno, the weather has been a bit wilder. At Shaver Lake, almost 8 inches of rain fell on Monday, and by 11 a.m. Tuesday, more than 1.5 inches of rain had fallen since ...
SkyMotion tracks and predicts all precipitation in the United States and Canada in real-time, using Doppler weather radars and other weather observation tools. [3] It currently forecasts rain, snow, freezing rain, ice pellets, and hail. [2] To ensure accuracy for each user, the app tracks conditions in square kilometer segments.
The Doppler processor can only process velocities up to ± 1 / 2 the PRF of the radar. This is not a problem for weather radars. Velocity information for aircraft cannot be extracted directly from low-PRF radar because sampling restricts measurements to about 75 miles per hour.