99 Recent Questions

Question 1

Jet Streams and their associated CAT can sometimes be visually identified by?

Answer 1

Long streaks of Cirrus cloud

Question 2

What cloud type gives freezing rain?

Answer 2

• Nimbostratus

- Rain falling from the warm sector into a cool sector through a warm front

Question 3

Describe Fractus clouds

Answer 3

• Low level (e.g. Cumulus Fractus, Stratus Fractus)
• Common beneath heavy rain clouds
• Caused by high humidity below frontal clouds

Question 4

What kind of conditions does a ‘Flat Pressure Gradient’ describe?

Answer 4

Col like conditions

Question 5

What types of weather would you expect in Col conditions in:

• Summer
• Winter

Answer 5

Summer:
- Fair weather with possible airmass TS in afternoon or eventing

Winter:
- Deteriorating visibility due to radiation fog

Question 6

In what area are easterly waves likeliest to from?

Answer 6

In the Trade Wind zone

Question 7

What is the average mean time interval between Polar Front Depressions in Western Europe?

Answer 7

1 to 2 days

Question 8

On a significant weather chart what is the symbol for Hail?

Answer 8

A triangle pointing upwards

Question 9

What are the different % which are associated with a PROB term?

Answer 9

30% and 40%

Question 10

What are the hazards associated with a volcanic eruption?

Answer 10

• Engine flame out

- Windscreen damage

Question 11

Where in relation to an inversion, is the inversion level?

Answer 11

Lowest height or start of the inversion when climbing

Question 12

What are ‘Routine Air Reports’ and ‘Special Air Reports’ called?

Answer 12

AIREP and PIREP

Question 13

What situations should an PIMET be issued?

Answer 13

Moderate or Severe Icing
Severe Mountain Wave
Thunderstorms (with or without hail) that are obscured, embedded, widespread, or in squall lines
Heavy duststorm or heavy sandstorm
Volcanic Ash Cloud
Pre-eruption volcanic activity, or volcanic eruption.