Hope you guys can help me out with this one,
Here’s the scenario, im crusing along at 8500ft with an altimeter setting of 30.50. This altimeter setting is above the standard 29.92 When you do the math of 29.92 – 30.50= -0.58. Multiply that by 1000 and the difference to pressure altitude is -580. According to this it is clear that pressure altitude is below 8500 by -580 which is 7920ft, and to further verify this i recycle my altimeter setting from 30.50 to 29.92 and it reads somewhere close to 7920ft!!!
Now here is my confusion. To my logical thinking if it is 30.50 at 8500ft shouldn’t lesser pressure be above me ? Because when you climb pressure decreases and as you descend it increases correct? With this logic at 8500ft with an altimeter of 30.50 a lesser pressure meaning 30.49, 30.48 until eventually reaching 29.92 would be above my current altitude correct ? So i would add the initial 580ft to 8500ft and would place my new pressure altitude at 9080 feet ? Even though this logic feels right and i am doubting myself because why when i reset the kollsman window to 29.92 it read 7920ft placing pressure altitude below rather than above me at 9080ft.
If any one can explain my crazy thinking i would appreciate it a detailed answer!
