Progress Test 14 + 15

Question 1

What is included in aviation forecasts?

Name 6

Answer 1

1. wind direction and strength
2. Cloud amounts, levels and types
3. Icing and turbulent conditions
4. Visibility
5. Position and speed of frontal systems
6. trends for the short term

Question 2

GAMET (regional forecast) provides a textual description of the current weather, situation and outlook. What are these split up into and are cloud heights measured in QNH or QFE?

Answer 2

They are split up into geographic areas.
Cloud base and tops are measured in mean sea level.

Question 3

What is the Met Office form 215?

Answer 3

-provides a low level (below 10, 000ft) significant weather chart for the UK.
-The forecast are valid for normally 9 hours and times are shown in UTC.
-Fronts are shown at a particular time within the period.

Question 4

What does widespread mean on form 215?

Answer 4

More than 50% (difficult to avoid)

Question 5

What does Frequent mean on From 215?

Answer 5

More than 50% (little cloud separation)

Question 6

What does Occasional mean Form 215?

Answer 6

Between 25% and 50% cloud weather coverage (can be avoided)

Question 7

What does Isolated mean Form 215?

Answer 7

Less than 25% (features can be avoided easily)

Question 8

What is the met office Form 214?

Answer 8

Provides Low Level (below 10,000ft) spot wind and temperature chart for the UK.
The validity period is normally 6 hours and issued every 6 hours.

Question 9

What is a TAF?

Answer 9

A terminal Aerodrome forecast can be up to 24 or 30hour period during the opening times of an ATSU.

Question 10

What is a METAR?

Answer 10

A meteorological actual report provides current weather conditions of the aerodrome at 30 or 60mins intervals during the opening hours of an ATSU.

Question 11

True or False? Forecasted winds are according to True North.

Answer 11

True, However wind checks on frequency is referred to magnetic heading.

Question 12

Is cloud height forecasted above aerodrome level or on QNH?

Answer 12

Forecasted above aerodrome level.

Question 13

What does TEMPO mean on a forecast?

Answer 13

Weather can occur for periods lasting up to an hour, no more than half the forecasted period.

Question 14

What does NOSIG mean on a forecast?

Answer 14

No significant change is expected to occur during the two hours after observation time.

Question 15

What NCD mean?

Answer 15

No Clouds Detected.

Question 16

What does /// mean?

Answer 16

Sky obscured.

Question 17

What does RVR mean?

Answer 17

Runway Visual Range.

Question 18

What is a Special forecast request?

Answer 18

A forecast that can be requested from the met office to provide special forecasts for any route, a route less than 500nm requires more than 2 hours notice.

Question 19

A rainfall radar shows the rainfall and indicates what rates?

Answer 19

Precipitation Rates.

Question 20

What do Infra-red satellites show?

Answer 20

They show the temperature of the clouds, the lighter the colour the lower the temerature.

Question 21

What is VOLMET?

Answer 21

A recorded weather station over VHF frequency. Has a range of 200m at 30, 000ft and provides METARS.

Question 22

Can you ask for weather updates from an ATSU?

Answer 22

yes.

Question 23

What is PIREP and is it mandatory?

Answer 23

Pilots reports, this is a mandatory report that must be made by the pilot if un-forecasted weather is identified to an ATSU, can be made for the following:
-Severe Icing
-Severe Turbulence
-Severe Mountain Wave
-Thunderstorms
-Volcanic ash.