Module 6

Question 1

Troposphere

Answer 1

Most weather: Where most weather occurs
Tropopause: Top of troposphere is tropopause
Mass: Contains 70 - 80% of atmosphere mass
99% of water vapor

Question 2

High Pressure v. Low Pressure

Answer 2

High pressure = good weather, creates a stable atmosphere, can trap fog or clouds

Low pressure = bad weather, air rises, winds circulate inwards and upwards.

Question 3

Rising air v. Sinking air

Answer 3

Rising air = lower pressure at earth’s surface

Sinking air = higher pressure at earth’s surface

Question 4

KP-Index

Answer 4

Magnitude of geomagnetic storms
Indicates availability of satellites for GPS Mode
If 5 or over, might have to go to ATTI Mode.