Atmosphere Flashcards
1
Q
Height of Tropopause
A
36,089ft
11km
2
Q
Temperature at Tropopause
A
-56.5 *C
3
Q
ISA Conditions
A
+15 *C
- 25 hPa. 760mmHg. 29.92inHg
- 225 kg/m3
4
Q
When is pressure 1/2 and 1/4 of what it is at MSL
A
1/2 = 18,000ft 1/4 = 34-36000ft
5
Q
When is density 3/4, 1/2 and 1/4 of what it is at MSL
A
3/4 = 10,000ft 1/2 = 22,000ft 1/4 = 40,000ft
6
Q
Pressure Lapse Rate in Troposphere
A
0-10000ft = 27ft per hPa
10 - 18000ft = 37ft per hPa
18 - 40000ft = 47ft per hPa
7
Q
Height and Temp of Tropopause at Polar Regions
A
8-10km
-40/-50C
8
Q
Height and temp. Of tropopause at mid latitudes
A
11km
-56.5C
9
Q
Height and temp of tropopause at tropical latitudes
A
16-18km
-75C
10
Q
Temperature Lapse rate
A
- 98C per 1000ft
0. 65 per 100m
