ATMOSPHERIC PRESSURE

Question 1

What is a col ?and ancicilonic/cyclonic col?

Answer 1

A col is neutral area between two highs and lows.

Anticlonic col is when the pressure around a high is eleongated

Cyclonic col is when low pressure axis is eleongated

Question 2

Weather in neutral cols?

Answer 2

Col is dominated by the characteristics of the particular air mass but is often
thundery in summer and dull or foggy in winter

Question 3

What is Trough and caretteristics of it?

Answer 3

• A trough (of low pressure) is
characterized by a system of
isobars which are concave towards
a DEPRESSION 
• Troughs are generally marked by
cloudy, showery weather

Question 4

WhaT IS a RIDGE AND IS characteristic?

Answer 4

• A ridge (of high pressure), also
termed a 'wedge', is an extension of
an ANTICYCLONE or high-pressure
area 
• It is the converse of a TROUGH of
low pressure and is generally
associated with fair, anticyclonic-
type weather

Question 5

Is QNH greater or smaller than QFF been above sea level with +isa ?

Answer 5

QNH> QFF