a method of upper-atmosphere meteorological observation conducted by means of a radiosonde tracked by radar.
Compare raob, rawin.

1945–50; ra(dar) + win(d) + (radio)sonde

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World English Dictionary
rawinsonde (ˈreɪwɪnˌsɒnd)
a hydrogen balloon carrying meteorological instruments and a radar target, enabling the velocity of winds in the atmosphere to be measured
[C20: blend of radar + wind + radiosonde]

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Science Dictionary
rawinsonde   (rā'wĭn-sŏnd')  Pronunciation Key 
A radiosonde used to observe the speed and direction of upper-air winds and tracked by a radio direction-finding instrument or radar.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
When wind information is processed by tracking the balloon's movement the instrument package is termed a rawinsonde.
The standard rawinsonde observation serves as the major data source for the upper air program.
The hurricane center will relay the final instructions to rawinsonde stations so maximum use is being made of the special reports.
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