| It derives from a polar depression |
| The air ahead of the associated warm front is colder than the air behind the associated cold front |
| The air ahead of the associated warm front is less cold than the air behind the associated cold front |
| On meeting the warm front, the cold front moves up the warm frontal surface |
MENU
EN 
IT
ES
DE
FR
PL
RS
Exam Questions
Training Quiz
Exam simulation
PDF Exam
Contact Us
Prices
Are you a school?
App Mobile