The day of Pentecost was a Jewish festival celebrated 50days from the passover, during this period Jews from different nations would return to Jerusalem to celebrate this event.
There's the indwelling of the holy ghost and the infilling of the holy ghost.
The indwelling of the holy ghost happened in John 20:22..we see the infilling of the holy ghost in acts 2.
Why did the Holyspirit come as a rushing mighty wind?
This was important because the Jews were familiar with interactions with God accompanied by natural phenomenons, they knew how God led them by the pillar of fire and cloud, the parting of the red sea by winds, so the advent of the holy spirit with the rushing mighty wind was to point them to the fact that the event happening was something that God ordained.
The day of Pentecost was a one off event, we should not expect that level of manifestation when someone today is getting filled with the spirit.
On the subject of tongues as a gift of the Spirit. There's speaking in tongues which is direct communication with God and there's the speaking in other languages which is a miraculous sign by the Holy spirit.
Reading through the sermon of Peter we see
How the sacrifice of Jesus was preordained, Jesus however is life and could not be held by death so God had to raise him up.
The message of Peter was to accomplish two major things
Explain the event that they just witnessed.
Explain that everything that happened with Jesus was preordained by God and to affirm the Lordship and salvation present in christ.