The remnants of Beryl came through overnight. We had A LOT of rain, and it got breezy. But my Tempest reported gusts up to 100mph. Pretty sure that wasn’t real! Is it true that when it rains, the wind measurements become inaccurate? That would be very unfortunate, because it’s quite normal for the two events to occur concurrently.
It’s true that if a large amount of rain gets trapped in the wind gap (big rain drops, small puddles etc.), then yes, the wind readings will be biased (usually high). This is a ‘feature’ (drawback) of sonic wind sensors. Usually it clears up as soon as the wind blows the water out of the gap. There is a hydrophilic/hydrophobic (I can’t remember exactly which) coating in the wind gap and on the sonic sensors to try and minimise this issue as much as possible. I have only seen this happen during extreme rainfall events
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If the rain data was correct, the rainfall was approx 1"/hour around that time
The wind gap has a superhydrophobic coating. The hydrophilic coatings didn’t work as well.
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If you get rain from just the correct (read unfortunate) angle the sonic anemometer will show erroneous , and sometime quite spectacular data. It would be nice to be able to remove the data from your feed. Mostly it works great , but yep the nature of the beast, btw Gday all 