What measurement is HPA?

Related questions

1. What happens when the HPA axis is activated?
2. What are the symptoms of HPA axis suppression?
3. How do you calculate QNH?
4. What is quality driven management?
5. Why do planes fly so low over my house?
6. What triggers the HPA axis?
7. What happens when HPA axis is suppressed?
8. What is the difference between QNH and QFE?
9. Is barometric pressure the same as sea level pressure?
10. What is considered low pressure weather?

Tags

1. #pascals
2. #meteorology
3. #millibar
4. #formerly
5. #measure
6. #meteorologists
7. #equal
8. #generally
9. #pressure
10. #hectopascals
11. #since
12. #units
13. #pressures
14. #atmospheric
15. #commonly
16. #average
17. #which
18. #earth
19. #introduction
20. #close