Altimetry And Oressure Systems

Question 1

When adjusting altimeter setting the TA will

Answer 1

Remain the same

Question 2

Air surface flow in n. Hemi - low pressures

Answer 2

Anti Clockwise

Question 3

Air surface flow is s.hemi - low pressures

Answer 3

Clockwise

Question 4

Coke front gradient

Answer 4

1:80

Question 5

Cold front contains

Answer 5

TS CB and CU formations
Heavy rain
Hail (GS and GRh

Question 6

At the start of the cold front

Answer 6

Visibility is poor!

Question 7

Trough lines contain

Answer 7

Active Cu formed clouds

Question 8

High pressure systems between Hadley and Ferrell cells

Answer 8

Sub tropical highs

Question 9

Sub tropical highs found at

Answer 9

20· lat
55 · lat

Question 10

Sub tropical highs give

Answer 10

Stable weather

Question 11

A polar low is found

Answer 11

On thé polar frontal surface

Question 12

A polar low is

Answer 12

A small depression over sea areas accompanied by wintry showers

Question 13

A secondary depression

Answer 13

Tends to move round the primary in a cyclonic sense

Question 14

Carb icing most likely to happen at

Answer 14

0-15 degrees

Question 15

The most likely condition to cause airframe icing is

Answer 15

+FZRA

Question 16

Hoar frost

Answer 16

Humid air mass

Question 17

Validity of a TAF

Answer 17

Is stated in the TAF

Question 18

Validity of the METAR is

Answer 18

Valid at the time of observation

Question 19

BR = and HZ=

Answer 19

Must and haze

Question 20

Thé widest precipitation zone occurs usually

Answer 20

Ahead of a warm front

Question 21

Sinking of air is

Answer 21

Favoured in a high pressure system

Question 22

For Tornados to occur

Answer 22

You need a circular motion of air which can be described in metar with a wind heading and a VRB notation

Question 23

Anti cyclone in n hémisphère

Answer 23

Is deflected to the right

Question 24

Anti cyclone is s hémisphère

Answer 24

Is deflected to the left

Question 25

High isobars always ____ and low isobars always _____

Answer 25

Curve up and curve down

Question 26

The layer just above the tropopause

Answer 26

Is absolutely stable

Question 27

The pressure defined as QFE

Answer 27

Is the pressure at field elevation