[DOC] [TLE] Weather radar - Wikipedia [PAR] 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.). ... Radar output is even incorporated into numerical weather prediction models to improve analyses and forecasts. [DOC] [TLE] Doppler radar - Wikipedia [PAR] A Doppler radar is a specialized radar that uses the Doppler effect to produce 
velocity data ... Most modern weather radars use the pulse-doppler technique to 
examine ... This variation of frequency also depends on the direction the wave 
source is ... The result derived with c as the speed of light and v as the target 
velocity... [DOC] [TLE] Weather Radars Explained | WeatherWorks [PAR] Aug 22, 2013 ... While radar helps us forecast upcoming weather, few understand exactly ... A 
modern Doppler radar system consists of a large radar dish ... The transmitted 
radio waves move through the atmosphere at around the speed of light. ... the 
radar can calculate the distance and direction of the target using the... [DOC] [TLE] How to use and interpret Doppler weather radar - d4n.nl [PAR] Words that appear in bold type are words that can be found in the glossary in .... 
Doppler radar has not always been used for weather radar. Doppler radar ..... 
Since radar only sends pulses of energy in one direction per pulse, the wind 
speed detected is ... measure or calculate wind in more than one dimension. 
However... [DOC] [TLE] Intellicast - Radar [PAR] A weather radar is used to locate precipitation, calculate its motion, estimate its 
type (rain, snow, hail, etc.) ... The NOWRAD Radar Summary map displays cell 
movement and direction by arrows, with speed in knots, and the echo top heights 
in hundreds of feet. ... Digital systems now offer storm tracking surveillance. [DOC] [TLE] Weather Radar Fundamentals  Print Version [PAR] Control and indicators of an old radar unit installed at a weather station. ... 
interpretation; Interpret wind speed and direction using Doppler radial velocity 
imagery ... Many types of radars are used to detect precipitation and other 
weather conditions. ... scatter and uses its amplitude to calculate the "radar 
reflectivity factor" (Z). [DOC] [TLE] Radar Basics - Distance-determination [PAR] Determination of the radar range. ... is focused in one direction only by the 
directivity of the antenna, and propagates in this given direction with the speed of 
light. [DOC] [TLE] Frequently Asked Question - India Meteorological Department [PAR] A: Radars are used for detection of aircrafts, ships, weather systems and a ... 
about the speed and direction of the moving targets. ... is calculated from the 
change in frequency observed by the Doppler radars. .... on the type 
hydrometeors. [DOC] [TLE] Radar Frequently Asked Questions - Bureau of Meteorology [PAR] Radar curvature. The effects of the curvature of the earth on weather radar. .... 
This type of phenomena is called Pyrocumulus. ... To determine which direction 
the rainfall echoes are heading, click on the loop option at the top of the radar 
viewer. The loop ... How do I calculate the speed that the rain is moving on the 
radar? [DOC] [TLE] NOAA technology takes weather detection to new heights since ... [PAR] Mar 11, 2010 ... The rise of Doppler radar and weather satellites opened the doors for the 
massive ... to monitor weather systems and tie into modern computer systems that 
turned ... and calculates the speed and direction of motion of severe weather ... 
as well as data on the direction and speed of tornadoes once they form. [DOC] [TLE] WEATHER RADAR FAQ - Weather Prediction Education [PAR] The PRF is the frequency of pulses that are emitted from a Doppler radar. .... 
being emitted and received, a known distance to the hydrometeors can be 
calculated. ... of precipitation and the direction / distance the precipitation is from 
the radar set. ... Strong low level speed and directional shear along with high 
CAPE form a... [DOC] [TLE] Hurricanes: Science and Society: Radar [PAR] In 1957, the U.S. Weather Bureau (which would become today's National 
Weather ... The radar

Question: This type of weather radar calculates the speed & direction of a weather system
Answer: Doppler