Can anyone advise what happens to barometric pressure within a strong updraft at typical cruise levels. I have not come across a definitive answer to this. Some articles describe increased barometric pressure, Others describe a reduced barometric pressure (which is assumed to be the explanation for the high apparent rate of "climb" reportedly seen in this incident).
Just wondering what pressure difference (if any) the static ports see as you enter a strong updraft.
The plane is obviously pushed up by the updraft. But it would be confusing if the static ports sensed increased pressure. At the same time as the plane was being pushed up, the altitude would decrease and the AP would presumably increase pitch and power to recover this lost altitude.