Answer:
Wind Vane
Step-by-step explanation:
They are like four bowl. Arranged in the cardinal points/direction(NWSE) order. Its connected to a computer or analyser which records the speed of the wind. The computer records its data on how fast the vane rotates
Instrument is called a Anemometer
An important tool used by meteorologist to study weather patterns and frequent changes in wind patterns, at times in relation to storms.
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