Domanda 505, Meteorology - ATPL - Airline Transport Pilot license

If in this pressure surface the wind comes from the direction 180 degrees, then true altitude is increasing
If in this pressure surface the wind comes from the direction 360 degrees, then true altitude is increasing
If in this pressure surface the wind comes from the direction 090 degrees, then true altitude is increasing
If in this pressure surface the wind comes from the direction 270 degrees, then true altitude is increasing