PPL Meteorology Flashcards
Types of Fronts
Cold, Warm, Stationary, Occluded/Trowel, Upper Fronts
Location of the mixing zone in a Warm Front
Ahead of the Warm Fronts position
Location of the mixing zone in a Cold Front
Behind the Cold Fronts position
What happens to the winds before, during, and after the passage of a Cold Front
Before: Winds are from the south to southeast
During: Winds will Veer and increase
After: Winds will Veer and become west to northwest
What happens to the Temperature before, during, and after the passage of a Cold Front
Before: Warm (Rise)
During: Drop
After: Steadily Drop
What happens to the pressure before, during, and after the passage of a Cold Front
Before: Fall Steadily
During: Sharp Rise
After: Rising Steadily
What kind of clouds form before, during, and after the passage of a Cold Front. How do these clouds form?
CU, TCU, CB, Stable warm air: Ns, As,Ci
Unstable warm air: Cu
By the warm air expanding as it is lifted by the advancing cold air.