Most middle latitude cyclones occur ________.
A) in the trade wind flow
B) downstream of an upper level pressure trough
C) upstream of an upper level pressure trough
D) when the upper flow is zonal
E) only at night

Question

Quizplus · Accepted Answer

Middle latitude cyclones generally occur downstream of an upper-level pressure trough, where warm and cold air masses meet and create a zone of instability. This allows for the formation of a low-pressure system and subsequent cyclone.

Most Middle Latitude Cyclones Occur ________