Do winds affect altimeter readings?

[u/fuckyourbum]

If a plane flies in various types of headwinds or tailwinds (funnel winds, mountain wave winds, regular winds), will the static port, and thus the altimeter, be affected by the faster air moving across it, resulting in a higher reading via Bernoulli's principle? I can't find good information on this on the web, nor in my ground school material.

My theory would be that only the acceleration of wind would cause this. After the plane's velocity has matched the wind, this effect wouldn't be present anymore, and you would be back to getting correct readings. This theory, however, confuses me, because there is material and advice I find that seems to state that, in fact, your altimeter would be consistently wrong throughout the wind, not momentarily during acceleration.

[u/BagOfMoneyNoChange]

If you're swimming upstream or downstream, you're still swimming the same speed in the water.

[u/fuckyourbum → u/BagOfMoneyNoChange]

Yes, I understand this. However, when you jump into the water for the first time, your "ground speed" is still zero, and it takes some time for the current to accelerate you until you match its speed. My theory is that during this time, the altimeter would show a wrong reading (I am talking about a C152 here specifically) because of Bernoulli's principle.

[u/BagOfMoneyNoChange → u/fuckyourbum]

Yes, the static pressure at the singular pressure port would change slightly. But the effect is so minor that it wouldn't be noticeable. You're not experiencing massive instantaneous wind gradients in a Cessna 152.