Weather Radar Attenuation

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United Kingdom flightdeck2sim
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Published on ● Video Link: https://www.youtube.com/watch?v=59KYFudiEYo


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The beam attenuation phenomenon is a significant factor in weather radar accuracy. When moderate to heavy precipitation occurs, it limits the radar's range, causing the signal to be attenuated and not return to the aircraft weather radar.

This attenuation makes it challenging to determine the storm's intensity, and the storm's shadow effect may also obscure weather conditions behind it. Modern weather radars indicate attenuation with magenta arcs, signaling caution and potential severe weather in the area.



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